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Panasonic KX-F1200 Service Manual And Technical Manual

Plain paper fax with 2-line digital answering system
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ORDER NO. KM79509018C1
F7
Service Manual
and Technical Guide
PLAIN PAPER FAX WITH 2-LINE
DIGITAL ANSWERING
SYSTEM
KX-F 1200
(for U.S.A.)
WARNING
This service information is designed for experienced
repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical
individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced
professional technicians.
Any attempt to service or repair the product or products dealt with in this service information
by anyone else could result in serious
injury or death.
Panasonic
l (£)1995 Kyushu Matsushita Electric Co., Ltd.
All rights reserved. Unauthorized copying and distribution
is a violation of law.

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Summary of Contents for Panasonic KX-F1200

  • Page 1 Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. Panasonic l (£)1995 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying and distribution...

  • Page 2: Table Of Contents

    When you mention the serial number, write down the 11 digits. The serial number may be found on the bottom of the unit. TABLE OF CONTENTS (General) Page SAFETY PRECAUTIONS ..............................INSULATION RESISTANCE TEST ........................... FOR SERVICE TECHNICIANS ............................SPECIFICATIONS ................................

  • Page 3: Safety Precautions

    KX-F1200 SAFETY PRECAUTIONS bJelu_ _urvJcJt]g, u, Jp_uguJu F, u wer cord to prevent an electric shock. 2. When replacing parts, use only the manufacturer's recommended components. 3. Check the condition of the power cord. Replace if wear or damage is evident. 4.

  • Page 4: Specifications

    KX-i- 1200 SPECIFICATIONS This specifications is for U.S.A. version only. Refer to the simplified manual (cover) for other areas. Public Switched Telephone Network 1. Applicable Linu_: Max.216 mm (8 1/2') in width 2. Document Size: Max.600 mm (23 %' ) in length 208 mm(8 3/16' ) 3.

  • Page 5: Connection

    CONNECTION This connection is for U.S.A. version only. Refer to the simplified manual (cover) for other areas. cord mDialing mode switch: Set to TONE. Connect to If you cannot dial, LINE1/LINE2 set to PULSE. GREEN Power DIALING MODE TONE_L PULSE rn..) Two-line telephone jack (RJ14C) 4-wired telephone line cord...
  • Page 6 _-i- ]zuu L(JL;AIION OF CONTROLS Front view Document entrance Document feeder tray Visual film indicator: shows the approximate amount of remaining Document guide(s) film. (®.L. INDICATOR J ___1 FILM Microphone NDICATOR 1 When the film indicator Recording paper exit points to the position in the illustration above, Paper cassette the remaining film...
  • Page 7 KX-F i 200 RECEIVE MODE RECEIVE MODE MENU button LINElbutton LINE 2 button VOLU/Vlr- L)uliu_l_ LINE 2 but[oN CONF button NEW MESSAGES DIRECTORY button HELP button MAIL BOX button LOWER button TONE button FLASH button COPY button FILM/PAPER SAVE REDIAL/PAUSE Direct call button button...
  • Page 8 KX-F1200 INSTALLA] 1. INSTALLING ]Hi- i-tLM CARTRIDGE (l)op_l_ th_ iop uuvu_. Top cover (2) Press the green butto;l ul_ thu Hght h Larked Head unit "PUSH" and lift the head unit. Green bu_on (3) Place the cartridge with the "BACK" indicator facing up.
  • Page 9 Z. HI'-PLA(..;ING FILM OR FILM CARTRIDGE When the unit detects the end of the film, the following message will be displayed. t FILM EMPTY I Replace the film or film cartridge with new one. (1)Open the top cover. Top cover (2)Press the green button on the right marked "PUSH"...
  • Page 10 KX-F1200 (8)Insert the film into the cartridge so that the Unused spool arrow on the cartridge points in the same direction as that on the film. --If you insert a film which was used halfway, insert the unused spool of the film on the "FILM SUPPLY"...

  • Page 11: Maintenance Item

    KX-F1200 MAINTENANCE ITEM 1, OUTLINE MAINTENANCE ANL) HLP_IHb AHE PERFORMED USING THE FOLLOWING 8 11=P:5, 1) Periodic maintenance Inspect the equipment periodically and if necessary, clean any contaminated parts. 2) Check for breakdowns Look for signs of trouble and consider how the problems arose. If the equipment can still be used, perform a copying, self testing or communications testir, y.
  • Page 12 Kx-P1200 2-1. MAINTENANCE LI_] OPERATION CHECK ITEM REMARKS Document Path Remove any foreign matter such as paper. Rollers If the roller is dirty, clean it with a damp cloth then dry thoroughly. See page 13. Platen Roller If the platen is dirty, clean it with a damp cloth then dry thoroughly. Remove the paper before cleaning.
  • Page 13 KX-r i 200 3. MAINI ENANUI- 3-1. CLEANING THE DOCUMENT FEEDER UNIT When misfeeding occurs frequently or when dirty patterns or black bands appear on a copied or transmitted document, clean the feeder rollers, sub roller, rubber flap, white plate and glass. (1) Disconnect the power cord and the telephone Sub roller line cord.

  • Page 14: Troubleshooting Guide

    KX-P120U TROUBLESHOOTING GUIDE TABLE OF GUNi I:.NI S page 1. PROGRAMMING ................................ 2. TEST FUNCTIONS ..............................3. COMMUNICATION ERROR FUNCTIONS ......................... 4, REMOTE PROGRAMMING ............................5. SERVICE HINTS ................................ 6, GENERAL ................................... 7. DEFECTIVE FACSIMILE SECTION ........................... 8. DEFECTIVE TAM INTERFACE SECTION ......................... 9.

  • Page 15: Programming

    i_ X- i--1 ZOO 1. PH(..)(3HAMMIN(3 The programming functions _u u_uu [u p,_9,_,,, th_ v,_,lous _ea_u_esa_U lulLcLlun_ ui tile _[=d(.;==lrlu, a_d to Lest the machine. Programming can be done in both the on-hook and off-hook conditions. This facilitates communication between the user and the service while programming the machine.
  • Page 16 [ BASIC FEATLRE LIST FEATURE Ct_T SETTING NO° t_01 SET DATE & TIME Jan. 1995 12:00AM tt'02 'fOUR LOGO Panasonic FAX SYSTEM 'fOUR TELEPHONE NUMBER LINE1 Code tt03 LINE2 OFF- PRINT TRANSMISSION REPORT ZERROR,ON,OFF] FAX RING COUNT [1...4) ANS,'FAX RING COUNT [1...4,TOLL...
  • Page 17 _-4. b_-HVlL;_- _-UNCTION TABLE Code Function Set Value Default Remarks Effective Range Pause time set X100 ms. 001 _600 Flash time set X10 ms. 01_99 1..10 PPS Dial speed select 2..20 PPS 1..6sec VOX time select 2..4sec 1.. 2100 HZ CED frequency select 2..
  • Page 18 KX-F1200 Code t-unction Set Value Default Remarks Effective Range 1_61% BREAK % select 2..67% ITS auto redial time set X number of times 00_99 ITS auto redial line disconnection X second 001_999 time set 01 "-'99 Remote turn-on ring number set X number of rings 1..On Dial Tone Detection set...
  • Page 19 Function (-;ode Set Value Default Remarks Effective Range OGM recording time X sec 00,'-.99 (Ring detection=A-D) OGM recording time X see 00_99 (Ring detection=OFF) 1..9600BPS The fall back 2..7200BPS starts from each Transmit speed select 3..4800BPS speed. 4..2400BPS 1..9600BPS The fall back 2..7200BPS Receive speed select starts from each...

  • Page 20: Test Functions

    _A-i- |/...vV 1-5. SERVICE MODE SETTING VALUES (Example of a printed out list) [ SERUIL"E DIqTA LIST SetValue Code PAUSE TIME 05e_lS@ms [DOl...600]*lO_ms 50P. FLASH T i ME ?e, Zem$ [81...99]_10ms DIAL SPEED 2=20]pps 10pps [I=10 TIME 6sec [1=6 2=4]sec CED FRED.
  • Page 21 r'_^-r i ;L,u u I MI- SINGLE Service Mode Output the DTMF by single tone. TEST 1..On 2..Off LED TEST Service Mode All LEDs flashes on and off, or is illuminated. START KEY CHECK Service Mode Check the operation button. Indicate the button code at LCD while the button is pressed.

  • Page 22: Communication Error Functions

    KX-F1200 3. COMMUNICATION ERROR FUNCTIONS 3-1. OPERATION 1. Press the MENU button 3 times. 2. press the START/SET button and REDIAL/PAUSE button 4 tin _. 3. Press the START/SET button. 4. Print out, 3-2. ERROR CORD TABLE Counter- SYMP I L)M MODE RESULT CODEI...
  • Page 23 KX-hi200 3-3. COUNTERMEASURE Transmission is finished when T1 TIMER is expired. Turn ON the FAX monitor func- tion and transmit the data to the same receiver. Confirm if the receiver's FAX Confirm service parameter and Confirm the receiver's FAX ma- machine is set to the reception compatibility of both caller's and chine was set to the reception...
  • Page 24 KX-F1200 F IT is received after transmission of 2400BPS training signal. (1) Raise the level of transmission. (Do not raise the level above the standard of each country. If the communication should be OK at the level beyond the standard, it is attributable to line condition or the receiver's machine sensitivity condition.) If no effect is obtained.
  • Page 25 No response after post message is transmitted three times. I Inquire the receiver if the caller's document is facsimiled correctly. Ask the service section of the receiver's FAX machine to con- firm the machine condition. RTN and PIN are received. _,,_ No response after FTT is transmitted.
  • Page 26 KX-F1200 No post message urn ON the FAX monitor func- tion and have the receiver trans- mit the data. "_ Ask the service section of the sender's FAX machine for ex- amination. (Receive Complete) Try again. _._t Decrease the RX speed. RTN is transmitted.
  • Page 27 Necup[ion is finished when I 1 I IME is expired, Change the ring count to "1". .,YES Turn ON the FAX monitor func- tion and have the receiver in question transmit the data again. I No e.o 1 ( 6.1 ) Cu__tirm i| the receiver's FAX machine was set to receivable mode.
  • Page 28 KX-F1200 I_RSU al id L) I (5. L)(_ I _L_i_J_kJ all.el Iraqi ibllll_5]oli Confirm if a mechanical trouble occurred, e.g. transmission was interrupted or document was out of place, on the receiver side (being polled). Ask the service section of the Ask the receiver to set the poll receiver's FAX machine for ex- mode again and perform polling.
  • Page 29 DCN is received after F]-I transmission. No response at the other party after MCF or CFR is transmitted. DCN is received after CFR transmission. Confirm if a mechanical trouble occurred, e.g. the caller inter- rupted the transmission. J YES Ask the caller to transmit the data again.
  • Page 30 KX-F12UU VolhngisJ Lu_, pu_Jble. eonlirm if a mechanical trouble occurred, e.g. transmission interrupted or document was out of place, on the receiver side (being polled). I YES Ask the receiver to set the Poll Ask the service section of the mode again and perform polling.

  • Page 31: 4, Remote Programming

    4. REMOTE PROGRAMMING While a user is talking on the phone, a technician can set the functiohs of customer's unit |rom service center. 1. A call comes in service center. 2. A technician gets a claim from a customer. 3. He says to the customer "please press MENU button and wait for a moment". 4.
  • Page 32 K,x-I-IZO0 4-1. SUMMARY OF REMO1E PROGRAMMING MODE START Replace the ha_=dset ul= the cradle or customer press STOP key Enter the REMOTE PROGRAMMING ID 9,0,0,0 REMOTE PROGRAMMING MODE "Piiii" Press a digits code of service Press mistaken key "Pii Pii Pii" function and then press _ (set) SERVICE SETTING MODE...
  • Page 33 _,_-i =,.vv • _-.'. _'ROORAM MODE -[ABLE Set Value Default Code Function Remote setting Set date and time mm/dd/yy hh:mm (Jan/01/95) PANASO up to 30 digits Your logo (NONE) Your telephone number up to 20 digits ERROR/ON/OFF Print transmission report 1 to 4 rings FAX ring count 1 ring...
  • Page 34 KX-FlZUU Function Set Value Default Remote settin.q ITS auto redial time set T00-99 ITS auto redial line disconnection time set 001-999 01 ~99 Remote turn-on ring number set (LINE 1) Dial tone detection set 1:ON/2:OFF 01-99 Remote turn-on rin 9 number set (LINE 2) Auto disconnect cancel time 1:350msec/2:180msec/3:OFF 350msec...

  • Page 35: Service Hints

    KX-F1200 5. SERVICE HINI S SYMPTOM CURE Defective solder IC1 on analog board or check tor solder short. 1. Defective general ITS operation Defective solder on IC404 or 10405, check for solder short. 2. Other defective operation (Refer to page 41.) - 35 -...

  • Page 36: 6, General

    ..KX-F1200 6. GENERAL 6-1. UNIT DOES NOT WORK (NO FUNCTION AT ALL) Does the LCD indicate Check power supply. any charactors ? Display (Refer to page 37.) I Err°ne°us Display Check reset circuit. (Refer to page 38.) Check clock pulse. (Refer to page 39.) Check bus line.
  • Page 37 i_X-r it, UU Note 1) Check power supply Check the voltage between pin 4 and _.[ Check-swiichi---ngpower supply section. pin 5 on 0N401 (Digital board). (Refer to page 63.) 4.85 (V) <V<5.35 (V) Check connection between Insert the connector and cable exactly into CN401,402,403 and CN4 CN401,402,403...
  • Page 38 _^-r izuu Note 2) Check reset circuit Is the voltage at pin 3 of IC409 4N5 V? Replace IC409. Is the voltage at pin 8 of IC401 4-5 V? Is the voltage at pin 36 of IC41 / 4-5 V? Replace IC401 Re0aceC404 Replace IC417.
  • Page 39 KX-F1200 Note 3) Check clock pulse Is the voltage at pins 72,22, of 1(3405 4-5 V? I Is the frequency at pin 68 of IC405 24 MHz? Replace R593 or C526,LC502,C434,R635. 3-4 Vp-p Check the frequency at pin 68 of IC405 again. Is the frequency at pin 81 of IC404 12 MHz? ZIj I v°°...
  • Page 40 KX-F1200 Note 4) Check bus line Check the short pins of Is the amplitude at pins 9-15, 17-24 and 30-3/' of 10401 ,IC402,10403,10404,1C405,1C41/, (Digital board) IC401 4-5 Vp-p? and IC1 (Analog board). Or replace some of these ICs. Note 5) Check key scan and input Is the waveform at pins 1,3,7,8,11-14,43,44 Check connection between CN404 (Digital IC301 (Operation board) shown below?
  • Page 41 I'_A-r i iuu Note 6) Check IC404 (Digital Board) j Check the solder of pins Is the amplitude at pins 84-89, 92-99, 101-104 of IC404 4-5 Vp-p? "/84-89'92-99'101~104 of IC404. Reset Is the voltage at a pin 66 of IC404 4-5 V? Check the solder of these pins.

  • Page 42: Defective Facsimile Section

    KX-F1200 7. DEFECTIVE FACSIMILE SECTION 7-1. TRANSMIT PROBLEM USER STOPPED-.*-- TX Problem STOP key was pressed? No problem Need to service Document jam? J NO No obstacle such as a Only some of document go through? piece of plastic in paper path area? !l NO Press down READ SEN-...
  • Page 43 KX-F1200 -[rallSlTiit _IIL)I Me_uyu u_ k_,u TX Problem Pre-Feeding of docu- ment? I YES I Usi-_ngauto dial to send? Doesn't start TX (Doesn't start feeding?) • Increase "596:Transmit Do you press START key Check other party's ma- chine. (Paper out, Auto level set"...
  • Page 44 KX-F1200 7-2. RECEIVE PROBLEM Confirm below before starting troubleshooting. • Recording paper is installed properly? RX problem I Can RX something anyway? ....Many errors on image? I NO: Looks OK Change "718:Receive speed select" to 7200,4800 or 2400 value" to some. Increase "595: RX error limit ..
  • Page 45 KX-FI200 uoJ mtm below before starting troubleshooting• • Recording paper is installed properly? (PAPER JAM) LCD message RX problem LCD message (OUT OF PAPER) (CHECK COVER) LCD massage Even paper is installed prop- Even no jamming, LCD erly. Even Top cover is closed..
  • Page 46 KX-l':1200 7-3. DOES NOT COPY OR COPY IMAGE IS INCORRECT Check recording paper. I Check film cartridge I Set film cartridge OK ]_ Check film end sensor (PSP01) Does any Error message display? heck cover open sensor. (SW1) Is the recording paper jammed? N_.] I Remove the jammed recording paper.
  • Page 47 KX-r i zuu Does the paper out? (PS904). heck paper sensor (Refer to page49.) Check paper top _ensor (PS902) Check paper out sensor (Refer to page 50.) Check motor drive operation. (PS905) I Is the paper feed OK? I YES CopyOK? f NO "l...
  • Page 48 KX-F1200 Note 2) Check document sensor (PI302) (Operation Board) Check the voltage at pin 19 of IC301 (4-5 V when document Check the solder at PI302. Check the solder at Q303. set, 0 V when no document set.) Replace IC301. Replace PI302.
  • Page 49 KX-t-i 200 Note 4) Check paper sensor (PS904) heck the connection between CN414 Check the voltage at pin 2 of CN414. and CN904. (0 V when recording paper set, 4~5 V when recording paper out.) Replace PS904. Check the voltage at pin 45 of IC401. (0 V when recording paper set, 4~5 V R564,R510,C580o heck the solder at pin 45 of IC401 and...
  • Page 50 KX-F l ZuU Note 5) Check motor driw ulaut_tlOll Motor test start (Refer to page 20.) • I Check recep- -'-- tion motor sec- rotate? Does the platen I tion. " " I YES Does the docu- y_-_ Is the connec- Repair.
  • Page 51 Note 6) Check read section Is the glass surface of reading section Clean the surface of the glass. clean? I YES Perform the scanner test. Copy a document. LED lamp of the read section light? Check the connection between CN406 and LED lamp.
  • Page 52 KX-F1200 Is the amplitude at pins 2~5 of CN405 4~5 Vp-p? check the amplitude at pins 2-5 ake out cable from CN405, and t___IG of CN405 (4~5 Vp-p). Is the voltage at pin 1 of CN405 +12 V? Check CCD board. (Refer to page 56) power supply section.
  • Page 53 KX-F1200 waveform of read section about 2.0 Vp-p CH1 GND CH2 GND -- Oscilloscope setting V: CH1 0.5 V/div CH2 5 V/div DC couple, CHOP mode H: 1 msec / div Trigger: CH2 SLOPE (+) Probe point: GND Test point "AG" CH1 Test point "VID"...
  • Page 54 KX-F1200 (,_-1 /Air/II i A i A 0.5 V/dw about AC couple .2 Vp-p V_VVVVVVVVV_ (_)-2 about 0.5 V/div 1 Vp-p AC couple _VVVVVV'_ about 3.6 V 1 V/div 1.8V DC couple CH1 probe point (_-1 10801 pin 1 (CCD Board) (_)-2 CN801 pin 7 (CCD Board) ®...
  • Page 55 KX-Fi200 Note/) Gheck the thermal head Is the voltage at pin 10 of CN4 (Analog Board) 0 V? (When copying) Is the voltage at pin 6 Is the voltage at pins of IC401 4-5 V? 1,2 of CN301 23-24 V? (Power unit) Replace IC401.
  • Page 56 KX-r i 200 Note 8) Check CCD boarU Perform the scanner test. (Refer to page 2(J.) Is the amplitude at pins 2-5 of CN801 (CCD board) 4~5 Vp-p? Take out CN801 ((..;(.;Dboard), and check the amplitude at pins 2-5 of CN401 (Digital board).
  • Page 57 KX-Fi200 /-_. UNI1 (.;AN COPY, BUT CAN NOT TRANSMIT ! RECEIVE Connect the unit to the loop simulator. Switch : TX side T-R : Connect oscillo- scope Modem test start (Refer to page 20.) Select 462Hz. Disconnect loop Tip-Ring output ? I Is the four signal at simulator.
  • Page 58 KX-F1200 7-5. UNIT CAN COPY, BUT CAN NO[ IRANSMIT J RECEIVE LONG DISTANCE OR INTERNAIIONAL COMMUNICATION The following 2 causes can be considered for this. 1) Cause 1 The other party is executing automatic calling, the call has been received by this unit, and this time until response with a L;LU or DIS signal has been too long.
  • Page 59 KX-F1200 _Gau_u and (Joulu[urmua_uru) (Cause A) When the training signal is transmitted iro_k i AXi c_unngtn_ _u_,._,u_J_caUo_ p_u_udu_ at the tlt_u ui traa_mJssion from FAX1 to FAX2, there is a delay until the echo canceler operates and Sl is closed, so that a part of the head of the training signal may drop out, normal reception by FAX2 may not be possible, and transmission may not be started.
  • Page 60 KX-F1200 3) Summary Long distance and intuiii_tional _onilnunication oputation COUNTERMEASURE SYMPTOM 1. The automatic reception ring count should be made 1. (user parameter: code No. 8) 2. The greeting message recording time should be made as short as possible. (if possible, 8 sec or less) Does not receive in automatic mode.

  • Page 61: Defective Tam Interface Section

    KX-_-izo_ 8-2. DOES NOT RECORD I Does a voice signal appear at pin 3 of CN9 ? Check Digital TAM UNIT. (IC701 ~ IC703) 1.° ICI. Check IC5, IC8 and pin 55 of I Does a voice signal appear at pin 1 of IC14 ? heck MIC or NCU section.

  • Page 62: Defective Its Section

    KX-F1200 9. DEFECTIVE ITS (Integ=ated lelephone System) SEC[ION 9-1. NO HANDSET and SPEAKERPHONE TRANSMISSION / RECEPTION Following the ITS section (Refer to page 131 .) or NCU section (Refer to page 125.), search tor the point in the route betwe_ the handset microphone and the telephone line (sending) or between the telephone line and the handset speaker (receiving) or between the microphone and the telephone line (sending) or between the telephone line and the speaker (receiving) where the signal disappears, and check the components at that point.

  • Page 63: Defective Operation Grille Section

    L__ Rx-i 10. IOI--PI--(.;flVP_. OPERATION GRILLE SECTION 10-1. NO KEY OPERATION Is the button always •. [ Repair the button. pressed? " (Operation board). disconnection Check IC301. heck CN404 (Digital board.) 10-2. NO LCD INDICATION Is the disconnection of cable and connector Repair.
  • Page 64 I_,A-I-l _'UU 11-2. THE CORHI---L;I VUL I AGE I,._Ob i PU i _-HUlvmi HE 24 V _,'VS__-M U,Ui ,5 V, 12 V ANIJ -12 V ARE NOT OUTPUT I s R204, R206 open? 5, +12, -12 V not output? = Is Q202 shorted? } YES =(IsQ203 shorted?

  • Page 65: Disassembly Instructions

    KX-r iZ00 DISASSEMBLY INSTRUCTIONS iRef. No. 1 Procedure I HOW TO REMOVE THE OPERATION BOARD AND LCD Push the front lid open lever in the direction of the arrow to open the operation panel. Remove the 2 screws (A) and remove the operation panel block. Remove the 7 screws (B) and remove the operation panel cover.
  • Page 66 KX-I- i 200 Ref. No. 2 HOW TO REMOVE THE TOP COVER Procedure 1) Remove the 2 screws (A). 2) Push the installing section in the direction of the arrow to remove the top cover. Top Cover - 66 -...
  • Page 67 KX-FI2O6 HOW TO REMOVE THE HANDSET CRADLE CABINET AND SPEAKER Ref. No. 3 Procedure Push the front lid open lever to open the operation panel. Open the top cover. Remove the TEL. No. Card. Remove the 3 screws (A). Remove the handset cradle cabinet. Remove the 3 screws (B).
  • Page 68 KX-F1200 HOW TO REMOVE THE THERMAL HEAD AND FILM SENSOR BOARD Ref. No. 4 Procedure Open the top cover. Push the green button on the right marked "PUSH" and lift up the thermal head block. Remove the 2 screws (A) and remove the thermal head cover. Pull out the 2 connectors.
  • Page 69 KX-F1200 Ref. N o. 5 HOW TO REMOVE THE PAPER SET/OUT sENSOR BOARD Procedure 1) Remove the 2 screws (A). 2) Pull out the connector. 3) Remove the paper set/out sensor board. Connector ® Paper Set/Out Sensor Board - 69 -...
  • Page 70 KX-F1200 HOW TO REMOVE THE LOWER CABINET Ref. No. 6 Procedure 1) Remove the 5 screws (A). 2) Remove the lower cabinet, Lower Cabinet Ref. No. 7 HOW TO REMOVE THE POWER SUPPLY BOARD Procedure 6--*7 Pull out the 3 connectors. Remove the 5 screws (A).
  • Page 71 l'_A-i-I ?.UU HOW TO REMOVE THE TRANSMISSION MOTOR BLOCK Ref. No. 8 Procedure 6-*8 1) Remove the 3 screws (A). 2) Remove the transmission motor block. (_) (_J _t--Transmission Motor Block HOW TO REMOVE THE RECEPTION MC)TOR BLOCK Ref. No. 9 Procedure 6--,9 Remove the 3 screws (A).
  • Page 72 KX-F1200 HOW TO REMOVE THE ANALOG AND DIGITAL BOARDS ..... Ref. No. 10 Procedu re 6---9--, 10 1) Remove the 1 screws (A). 2) Remove the analog board. 3) Remove the 3 connectors from analog board. 4) Remove the 7 connectors. 5) Remove the 4 screws (B).
  • Page 73 KX-F1200 HOW TO REMOVE THE COD UNIT. Ref. No. 11 I Procedure 6-,9-,10--,11 1) Remove the 2 screws (A). 2) Remove the CCD unit. ® CCD Unit ® HOW TO CLEAN; Clean the glass of CC[ unit with cloth soaking in alcohol.
  • Page 74 KX-P1200 HOW TO REMOVE THE ROLLERS Ref. No. 12 Procedure 6--,9--,10 ---11---12 ) Remove the 3 screws (A). 2) Remove the transmission motor block. 3) Remove the spacer with minus screwdriver (small size) as shown in following Fig. A. 4) Remove the roller. 5) Remove the gear and spacer from roller shaft and replace roller.
  • Page 75 KX-/-i200 Ref. No. 13 Procedure 6--*9--, 10 --,8-,7-,13 2) Remove the mechanical chassis. ® ® ® ® ,,hanical Chassis - 75 -...

  • Page 76: How To Replace Flat Package Ic

    KX-F1200 HOW TO REPLACE FLAT PACKAGE IC • PREPARATION • SOLDER ........Sparkle Solder 115A-1, 115B-1 Almit Solder KR-19, KR-19RMA • Soldering iron ......Recommended power consumption will be between 30 W to 40 W. Temperature of Copper Rod 662 ___50°F(350 ___ 10 °C) (An expert may handle 60-80 W iron, but a beginner might damage the foil by overheating.) •...

  • Page 77: Adjustments

    KX-r i ZUU ADJUSTMENTS 1. TABLE OF TEST EQUIPMENTS AND TOOL Jig No. Test Equipment and Jig Name Oscilloscope PQZZF500M CCD Tool Extension Cord PQZZ2K12Z, PQZZ8K18Z PQZZ2F500M Spring Height Tool 2. ADJUSTING THE FEEDER PRESSURE If misfeeding of document, such a multiple feeding or no feeding, occurs frequently, try to adjust the feeder pressure by fol- lowing steps below.
  • Page 78 KX-F1200 4. CCD ADJUSTMENTS Perform the following adjustment after replacing lens and CCD board. PREPARATION: 1) Remove the CCD unit from set. (Refer to page 73) Make oscilloscope connections as shown in next page. Attach the CCD TOOL on the CCD unit. Connect between CCD unit and digital board with extension cord (Part No.
  • Page 79 KX-1-12UU ,_UJUSTMENT: I LENS AND CCD READ POSITION ADJUSTMENT 1) Loosen the lens fixing screw and CCD board fixing screw. 2) Adjust the position of the lens and CCD board so that the waveform appears as shown in the figure below. 3) Fix the lens fixing screw and CCD board fixing screw.
  • Page 80 KX-F1200 WHITE LEVEL ADJUSI IVlI=NI I 1) Remove the CCD TOOL from CCL) ull_t. 2) Attach the white paper on the CCD unit. 3) Attach the CCD TOOL on the CCD unit. 4) Adjust VR801 on the CCD board so that th_ w_clorl_J b_u_J_._, _.2_, u.2V. Notes:l.
  • Page 81 KX-F1200 iIor le, ,o _ JuuUl.) re_u posJtion _djustment) [lOl Willie level d(JJUStll_u_L) edge of the glass The edge of glass and chart should be put together, then fix with tape. _Tape © Make sure the position of @ and _. -81 -...
  • Page 82 KX-F1200 - 82 -...
  • Page 83 _X-hlZUU UIRGUI] OPERA] IONS 1. L_ENERAL BLOGK DIAGRAM The control section will be explained as shown in the block diagram. 1) CPU (IC401) ............The CPU fetchs and executes instructlol]_ _,_l,_ h_lvi, wl _ if e,_us) data to (from) RAM, writes commands to the ASIC and reads status information from ASIC.
  • Page 84 KX-F1200 € ,_=_ ec_: ,,=, ,,=, ,,=, - 84 -...
  • Page 85 KX-F i 200 2. OONTROL SECTION 2-1. BLOCK DIAGRAM ,<..j n,-w × o_ _ o_ L) L)L) ocr_ _70HJ_3N 1VOHIMBN J.VOH1 < IV7H1 XNIN o@ ZV7-0V7 _NX_ _'V -9 LV =17V gLQV-0OV £ <- if 1,1_ & > >- <_ <( 0<(_ p.n¢...
  • Page 86 KX-F1200 2-2, CPI.I (10401) The KX-F1200 uses a I MP96C031 CPU operatillg at 16MHz. Read and write cycle timing chart is shown below. o_o_ o.Q.Q, o_o_ o< F'F' HHHHHRHHH HHHHHHH H 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 \ P34 I---]-F -f]----I AD10 RA--'S I--TI-...
  • Page 87 KX-ri200 Z} L;HU I Imlr_y Read Cycle (16MHz) A16-A23 A16-A23 -AD15 A0-A15 D0-D15 Write Cycle (16MHz) A16-A23 A16-A23 D0-D15 -AD15 WR, HWR -87-...
  • Page 88 KX-F1200 Read, Write Timing DMVX DA0-DA9 Row Address Column Address RD,WR CAS before RAS Refresh Timing Refresh Cycle 16.2_s - 88 -...
  • Page 89 KX-Fi200 Z-L_, MI-MUH¥ MAP' FFFFFFH 20FFFFH/ EMPTY EMPTY 47FFFF DRAM /(20FE1FH 256KB MODEM (IC415, 416) (10405) 440000 20FE00H EMPTY EMPTY 307FFFH SRAM 20F20FH 32KB EMPTY (IC403) 300000H 20F200H ANALOG PORT 20F100H ASIC (IC404) 200000H INTERNAL RESISTOR 20E000H SCREEN - EMPTY DISPOSITION SRAM 2ocoo -...
  • Page 90 KX-F1200 2-7. ASIC (IC404) This custom IC is used for gefleral FAX operation. 1) DECODER: Decodes the address of the CPU (IC401) according to the memory map. 2) CPU I/F: Outputs the INTERRUPT signal. 3) ROM/RAM I/F: Controls the SELECT signal of ROM or RAM. 4) CCD I/F: Controls document reading.
  • Page 91 KX-r i YOU ,,n:_ .z,_ l:I: _ 0 < ° ___- OZ_W _<...
  • Page 92 I_X-t- 1E_UU Explanatio, i ol Pin IJistrtbULIOll ktO_u4} SIGNAL Pu/Pd Explanation CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA CPU (IC401) ADDRESS/DATA AD10 CPU (IC401) ADDRESS/DATA AD10...
  • Page 93 KX-Fi200 SIGNAL Explanation SH SIGNAL OUTPUT FOR CCD 01 SIGNAL OUTPUT FOR CCD 02 SIGNAL OUTPUT FOR CCD RS SIGNAL OUTPUT FOR CCD VIDRST CLAMP CONTROL SIGNAL FOR DC PLAY BACK SPHCLK IMAGE SIGNAL S/H CLOCK SIGNAL DARKON S/H CLOCK SIGNAL FOR LIGHT SCHIELD OUTPUT CLAMP ADSEL1 CHANNEL SELECT SIGNAL FOR AIN 2 TERMINAL A/D INPUT...
  • Page 94 I_X-I-1ZUO SIGNAL Explanation LATCH ADDRESS LA2 LATCH ADDRESS LA3 LATCH ADDRESS LA4 LATCH ADDRESS LA5 LATCH ADDRESS LA6 LATCH ADDRESS LA7 MODE4 LOW FIXED BA15 NOT USED BA16 NOT USED XRESET SYSTEM RESET SIGNAL INPUT TEST1 LOW FIXED TEST2 LOW FIXED AIN1 CCD IMAGE SIGNAL INPUT AIN2...
  • Page 95 KX-F1200 2-_. UA I i-- AHHA¥ (lOci I) ]-his gate array has functions which reduc_n9 ,__nug_ uata fuL;u_ded on the paper, address latching and inserter after being sent to the thermal head. Reduction rate is possible to be set at about 72%, 86%, 92% and 100% by MODE 0 and 1. MODE0 I MODE1 Reduction rate...
  • Page 96 KX-F1200 Explanation Pin Distribution (IC417) Pin No. I I/O Pu/Pd Explanation XSOFTRST Initializing reduced circuit THCLK Clock input THLAT Latch input THDAT Data input NEWTHCLK Reduced clock output NEWTHDAT Reduced data output MODE0 Reduction rate setting MODE0=0, M OVE1=1 --*100%MODE0=0, M OVE1 =0 --" 92% MODE1 MODE0=1, M OVEI=0--, 86% MODE0=I,MOVE1=1 --, 72% MODE2...
  • Page 97 KX-t- i200 2-9. RESET CIRCUIT The output from pin 3 of the Reset IC (IC409) resets the CPU (IC401), the gate array (IC404), the modem (IC405), the gate array on the operating board (IC301), the Port IC (IC1) on the analog board through the IC410. (1) During to momentary power interruption, a positive reset pulse of 175 msec or more is generated and the system is reset completely.
  • Page 98 I_x-t-lZuU (3) The watch dog tim_l, built-in the gate aJJay (IC404), is initialized by the CPU (IC401) about every 1.5 ms. When the watchdo.___g__Eor occurs, pin 114 of the gate array (10404) becomes low level. The terminal of WDERR signal is connected to the reset line, so WDERR signal works as the reset signal. Circuit Diagram GATE ARRAY MODEM...
  • Page 99 KX-I-i 200 Z-10. ,.%HAM i_AGI_ UP L;IHL;UII t) Function This unit has a lithium battery (BAT[), which wu_r,s for thu RAIVl (10403) and Real Time Clock IC (R] C,I0408). The user parameter of autodial numbers, the transmission ID, the system setup date and so on are stored in the RAM (IC403).
  • Page 100 r,_A-(- 1 zuu 2-11. REALIIM_- L;LU(JK This is Clock IC. And it is backuppuu by lll.tJlulil bd[tcly. This IC reads and writes the data by serial interface. The serial interface signal is produced in the software, and uutput Iro_ I/L) purl. of CPU (iC 401). These timings are shown below.
  • Page 101 KX-F1200 2- I,,'. ,.%UPP-.HVI,.%ION(51HUUI I I-OH I Hi::HMAL HF.AD ]EMPF'HATURE 1) Function Thermal head temperature is disposed to convert voltage to digital data by using A/D cwwerter of IC404. The CPU decides the strobe width of the thermal head according to this value. Therefore, this circuit can keep the thermal head at an even temperature in order to stabilize the printing density and prevent the head from being overheated.
  • Page 102 KX-F1200 2-13. LED ARRAY The LED ARRAY will light during transmission and copying as a light source to rucuynlze documeni cnarac[uf_, patteii_s, {Jr graphics on a document. It is also possible to light the LED ARRAY in the test mode. Circuit Diagram +24V ABOUT 10V (LED OFF)
  • Page 103 KX-r i 200 Block Diagram IC404 ® IMAGE 6YSTI-M SENSOR IU41bt411o ANALOG SIGNAL PROCESSING SECTION IMAGE PROCESSING SECTION IC402 IC401 THERMAL HEAD ® CONVERTER MODEM I IC405 TEL. LINE - 103-...

  • Page 104: Circuit Operations

    KX-F1200 3-2. THERMAL HEAD 1) Function This unit utilizes state of the art ther,lal primer technology. The ink film is chemically processed. When the thermal head contacts this ink lilm it emits heat momentarily, ink film is melted and transfered to the paper. If this point is continued, litters and/or diagrams appear, and the original document is re- produced.
  • Page 105 KX-F1200 Circuit Diagram _WilCHING POWEH SUPPLY BOARD UIUI IAL UUAHU ]HERMAL HEAD 24_::_01 ON3i IoPo I _v,'_ ,_.._% ,__i _i_ __I._°_.,_ _N_03[. i ..440: ASIC R418 _] -H #...o,s_°l ,.,-H. ;o_o'_';o THLAT (ITHLAT_C404) _,_/_ THDAT_ R419 THDAT THCLK_ 1:1417 THCLK GATE ARRAY...
  • Page 106 KX-F1200 3-3. READ SECTION 1) Function eA document is illuminated by the LED array, alld the reflections pass through the reduction-projection lens and are im- aged on the CCD image sensor. eThe document image is photoelectrically transferred by the CCD image sensor, and an analog image signal correspond- ing to one line of the document is continuously output.
  • Page 107 r_^-r 12uu J-_. ,._1 I-PPING MOTOR DRIVE CIRCUIT 1) Function Two individual stepping motors are used for transmission and reception. They feed document or recording paper synchro- nized for reading or printing. 9) TX Motor During motor drive, gate array IC404 pin 27 becomes high level, driver IC406 pin 14 becomes low level, and Q403 go ON as a result, +24 V is supplied to the motor coil.
  • Page 108 KX-F1200 Circuit Diagram +24V GA I b_ARRAY R602 10406 (IC404) D602 CN408 _ _ TRANSMISSION MOTOR When the motor is stopped long time (about 70-80 msec) at receive mode, gate array IC404 pin 27 become_ low lewl a,,d driver IC406 pin 14 becomes high level. This causes Q403 to also go OFF, and instead of +24 V, +5 V is supplied through D602 so that the motor is held in place.
  • Page 109 KX-F1200 3) RX Motor RX motor is used to transier the recording paper and ink ribbon and its torque is higher than that of ] X motor. Therefore, TX motor driver uses the transistor array but RX motor driver uses the chopper IC of current drive type. The inside of chopper IC and the peripheral circuit diagram are shown below.
  • Page 110 KX-F1200 Stepping Motor Timing Chart • 2-2 Phasu • 1-2 Phase [__J l__J I__I-- ___J I__J--I__I--L_$ _J-I --I g- 1/217 (sec) 1/217 (see) Stepping Motor Drive Mode Function Mode Phase Pattern Speed 217 pps Copy Fine Demonstration Print Standard 217 pps (MAX.) Fine or 217 pps (MAX.) Half Tone...
  • Page 111 3-5. SENSORS AND SWITCHES KX-F1200 has many paper, film handring and check cover sensor. All of sensor shows below. Sensor Circuit Sensor Sensor name Mainly LCD Error Location Message at sensor fail [CHECK DOCUMENTJ Operation Panel PI302 Document Document [REMOVE DOCUMENTJ PI301 Read Position rOUT OF PAPERJ...
  • Page 112 KX-F1200 [Paper Set Sensor (PS904)] When recording paper is present, the shelter plate passes the sensor light, the phototransistor becomes ON, and the input signal of IC401-45 pin (CPU) becomes low level. When the set runs out of recording paper, the shelter plate shuts the sensor light, the phototransistor becomes OFF, and the input signal of IC401-45 pin becomes high level.
  • Page 113 t_-I- l _UU [Paper top Sensor (PSg02)] When the recording paper is loaded to print head, the shelter plate shuts the sensor light, the pt_ototra_sistor becomes OFF. And the input signal of IC401-44 (CPU) becomes high level. Usally, the shelter plate passes the sensor light, the phototransistor becomes ON, and the input signal of IC401-44 pin becomes low level.
  • Page 114 KX-F 1200 [Read Position Sensor (PI301)] When an document is brought to read position, the shelter plate shuts the sensor light, the phototransistor becomes OFF, and the input signal of IC301-15 pin (Operation) becomes high level. When there is no document at the read position, the shelter plate passes the sensor light, the phototransistor becomes ON, and the input signal of IC301-15 pin (Operation) be- comes low level.
  • Page 115 KX-ri200 [Film End Sensor (PS901)] This sensor detects empty ink films by using a reflective type sensor. Normally the ink film coating (color) is black. When the film is almost empty, a silver colored band will appear on the sensor area. When film empty is detected, the black and silver level on this sensor is digital data in the A/D converter of the CPU (IC401).
  • Page 116 KX-r i UU 3) Facsimile Call ]lm_ Series As shown in the following diagram, the tacsimile call time series is divided into live Iohase_. Message Transmission Phase E Facsimile Procedure Facsimile Call PhaseA (=PhaseB PhaseC ( PhaseD Progress derection of operation Phase A : Call setting Call setting can be manual/automatic.
  • Page 117 KX_T ; -_"" b) P-xplai=ation ol Technology (1) G3 Communication Signals (T. 30 Binary Process) In G3 Facsimile communication, this is the procedure for exchange of control signals between the sending and receiving machines both before and after transception of image signals. Control signals at 300 bps FSK are: 1850 Hz...0, 1650Hz...1, An example of binary process in G3 communication is shown below.
  • Page 118 KX-P120U Bit No. DIS/DTC ....-DC_S-....Reserved for future T.3 operation features Reserved for future T.3 operation features Transmitter - T.4 operation Receiver - T.4 operation Receiver - T.4 operation 11,12 Data signalling rate Data signalling rate V.27 ter fallback mode 2400 bit/s V.27 ter (o, o) V.27 ter...
  • Page 119 KX-Fi200 BitNo. DiSiDTC Standard setting Extend field Extend field 2400 bit/s handshaking 2400 bit/s handshaking Uncompressed mode Uncompressed mode Error correction mode Error correction mode Frame size 0 = 256 octets Set to "0" 1 = 64 octets Error limiting mode Error limiting mode Reserved for G4 capability on PSTN Reserved for G4 capability on PSTN...
  • Page 120 KX-F1200 Function Identification Signal Format Signal Image Signal Refer to next page. Sends 12 bit (0...01 X 6 times to receiver at same speed as image signal and notifies of completion of transmission of first (Return to Control) sheet. End of one communication Xl110100 (End of Procedure) X0110001...
  • Page 121 KX-F1200 _-2. MODEM CIRCUIT OPERATION ] he modem (IC405) has all the hardware satisfying the CCII I sta_ldards mentioned previously. When the gate array IC404 (73) is brought to low level, the modem (IC405) is chip-selected and resistors inside IC are se- lected by seleot signals from gate array (IC404) LAO-LA4, commands are written through data bus, and all processing is con- trolled at the CPU (IC401) according to ITU-T procedures.
  • Page 122 I_X-F1200 m__t ° 00_, ,--_ _-.I I=_d _.: -_-,,I I;,' :/ _T2! ?&,, L _ _ , I _--4_-_ '-..n" n-" = e-'- " i-- - 122 -...
  • Page 123 KX-F1200 5. EXPLANATION OF ANALOG SECTION BLOCK DIAGRAM 1) Function The analog section serves as interface with the telephone line. The digital board (IC405) for transn_ission and reception of FAX signals and reception of DTMF for remote signal detection. Switching between the digital board (IC405) and the other sections is executed by means of a multiplexer in the NCU section.
  • Page 124 KX-F1200 °1 (3. Z 't I- rr" G- GI __ w'_w rn<rn €0 >- "' < - 124-...
  • Page 125 KX-F1200 b. NCU SECTION 6-1. GENERAL This section is the interface with the telephone line and external telephone. It is composed of remote FAX activation circuit, bell detection circuit, pulse dial circuit, auto disconnect circuit, line amplifier and sidetone circuits and multiplexer. 6-2.
  • Page 126 KX-F1200 6-5. AUTO DISCONNECT CIRCUIT 1) Function: This circuit is used to detect the fact that another telephone connected to the same line is OFF-Hook while the unit is in the time of TAM'S answering operation or line hold operation. 2) Circuit Operation: (ex.
  • Page 127 KX-F 1200 Control Mode for NCU Section Table Control Intput to NCU Control Output from NCU RLY3 BELL __Port BREAK L2 CONF RLY1 Operation BREAK L1 Wait Condition BellInput FAX Transmit Receive Pulse Dial CPC Input 0-,I Parallel TEL Off-Hook During Line Hold or TAM Answering Parallel TEL...
  • Page 128 KX-F1200 1111311 - 128 -...
  • Page 129 KX-F1200 /. UHU,._,._ POINi MIXk:H IIL; (IC_) This IC combines 6 input analog signals and 6 ouLpu[ d_,d_Uya_g_ t,_Scorlvefiie_ ,_Jywith using 36 switches. This connects signals of 2 lines and ITS and TAM signals, and determines signal circuit. Switch control is conducted by serial data from IC1. Block Diagram 64 bit SHIFT REGISTER PS(IC1 58)
  • Page 130 KX- F1200 Connection Table LINE1 LINE2 L1 1.2 LINE1 LINE1 LINE2 LINE2 LINE1 LINE1 LINE2 LINE2 LINE1 LINE2 LINE' LINE2 H.S/ H.S/ H.S/ DTMF DTMF DTMF DTMF OGM BUSY BUSY (H.S) (SP- (H.S) (SP- Phone Phone Phone Phone) Phone) CO'NVER- CONVER- CONFER-TEL 2WAY 2WAY BUSY BUSY SATIONSATION ENCE DTMF DTMF DTMF DTMF...
  • Page 131 i_-i i _. _t._ _._ 8. ITS (Integrated Telephone System) AND MONITOR SECTIONS 8-1. GENERAL The general ITS operation is executed by the special IC2. This IC has a speakerphone circuit and a handset circuit in 1 chip, and control to each mode is executed from the outside (ICl). At the time of speakerphone operation the speaker output passes through the power amplifier (IC12).
  • Page 132 KX-F120U 8-4. MONITOR CIRCUIT 1) DTMF Monitor (Speaker Operation) IC4 (20) --* R 195 ---, R 158 -* C 119- * tC 18L(2)( I)j -, C 12_ ,1(-331(/)(11)]-_. FI181 -.,. 0139-,. JC2[(4)(7)J -,. R253 -. C185 ---, IC12[(4) --, (5)(8)] --, Speaker (Handset Operation) I04 (20) _ R195 --* R158 --, 0119 --, IC18[(2)(1)] --* C125 --* I03[(7)(12)] --* R182 --, 0140 -* I02[(21) --* (19)(20)] --* Handset Speaker...
  • Page 133 KX-Fi200 Monitor Tone Control Table ALM/ MODEM TONE TONE BREAK MUTE BEEP VOL4 Bell G/A out H © Ringing © © Handset Tone Dial SP-Phone Tone Dial © Handset Pulse Dial SP-Phone Pulse Dial © Alarm Ringing © Beep Ringing 8-5.
  • Page 134 KX-F1200 la.. c.D _; "r- -_)_" a I-- 1,1.o- 1/) X II:1_ ,.,1 > • F=oo I-i----wE_-_- -° '-' _ O30. - 134-...
  • Page 135 KX-F1200 9. IN-U_- U_" Ii=UT CIRCUIT 1) Function In-use detect circuit detects the lower voltag_ ut telephurle line, _nd re_ugn,zes that thu paralleled telephone is OFF-HOOK. Then, CPU lights, the IN-USE LED on operation panel to red. The different voltage is detected at "OO" and "PBX" set in user mode #28. CO mode detects ON-HOOK if the voltage is more than 30V and detects OFF-HOOK if it is less than 24V.
  • Page 136 KX-F1200 10. DIGITAL TAM BACKUP CIRCUIT 1) Function This unit has a 6.0 volt battery (1.5 voltx4), which works for the digital i AM unit back up. I n_ battery Keeps til_ dlgttal IAM unit_ OGM, ICM and memo recording message in memory if the power is turned off. 2) Circuit Operation [Power supply] AC power source turns on, +5 V is supplied to the digital TAM unit as the following path.
  • Page 137 KX-F1200 Circuit Diagram *SVD R285 I_All+ ONll D JAM UNIi PQLP 10105M R290 R289 IR288 C232 BATT- :C210 "'" II-'1_. ANALOG IN -_-I_ ANALOG OUT _' ÷5VD lout 1 IC17 ..I. I/O POd 11. ATAS (Automatic Telephone Answering System) SECTION 11-1.
  • Page 138 KX-F1200 3) Electronic Volume TAM volume (ICM play) can be switched with the volume key on the operation panel. OFF ¢_ HIGH (9 steps) Switch analog SW IC10, IC11 and transistor Q18 ON/OFF. Concerning control please refer to the table. Electronic Volume Control Table VOL5 VOL6 VOL7i VOL8 VOL9 TAMSF...
  • Page 139 K^-r i _uL, pJeo_ igl!B!OI.UOll - 139-...
  • Page 140 KX-Fi200 12. DIGITAL TAM SECTION • DSP (Digital Speech/Signal Processing) Circuit General Description: IC701~1C703 is a digital speech/signal processing system that implements all the functions of speech compression, record and playback, and memory management required in a digital telephone answering machine. The DSP system is fully controlled by a host processor (IC401), via 8 bit interface.
  • Page 141 iI. I_,_ I - I -" i._U 13. OPERATION PANEL The unit consists of LCD (Liquid crystal display), KEYs and LEDs (light-emitting diode). They are controlled by the Gate Array (IC301) and AS IC (IC404: On the DIGITAL BOARD). (Fig=a) LCD MODULE ASIC I I CN3°2...
  • Page 142 KX-F i=vv 14. LCD CONTROLLER This IC is a chip with LCD controller arid driver built in. The Gate Array (IC301) needs only write ASCII code from the data bus (D4-D7). V1 through V5 are power supplies for crystal drive. R360, R361, R363 are density control resistors. Consequently, in this set the timing (mainly positive clock) is generated by the LCD interface circuitry of the gate array (IC301).
  • Page 143 KX-P i 200 15. SWITCHING POWER SUPPLY SECTION Block Diagram F--,- 24 voutpu AC I_ Circuit I Oircuitl IRectifier--'_Cl0_5 Converter tput CircuitJ O GND A-B Voltage Wave Form Control Circuit " -_ D-C--DC +12v Output Converter (MC101) C-D Voltage Wave Form SUB Printed Circuit +5V Output...
  • Page 144 KX-F1200 The circuit in the pluvlous page, whun the Lransistor Q101 is ON, secondary rectifier diode D201 is OFF and the energy is charged in the transformer T101. Q101 continues being ON while the voltage is generated by control winding (B). Q101 is tuned OFF by control circuit, then each windings of T101 changes the polarity and rectifier diode D201 truns ON.
  • Page 145 KX_T ;2;3 Dummy load method (for the quick check of power supply output) Power Supply Board CN301 :Voltage Meter ©1 o--- Output range (5.1V+5%) ®1 (24.5V+4%) ®1 ®1 ®1 CN302 ®_)_ )®(,, (820£ 1/2W) -12V(-12V+10%) ¢ 12V(12.5V__10%) {680_4 1/2W) 24V(24.5V+4%) (4.7K£...
  • Page 146 KX-r i ;.'UU CONNECTION DIAGRAM ANALOG BOARD DIGITAL BOARD CN406 TO TEL LINE (LINE 1/LINE 2) LED ARRAY +24V TO TEL LINE (LINE 2) CN405 +12V BOARD SPEAKER CN408 CN409 CN401 CN302 R×2 -12V R×O +5vr RX3 _ +5V_.___ +12_ CN404 +24_ CN301...
  • Page 147 PRINTED CIRCUIT DIAGRAM (DIGITAL BOARD) (COMPONENT VIi-W) Pi_ No, 8~16, JUULov 25~32 Waveform 24MHz _ILFLFLov 8_15, 56~60 FOR SCHEMATIC DIAGRAM Notes: 1. DC voltage measurements are taken with oscilloscope or tester from ground. 2. The schematic diagram and circuit board may be modified at any time with the development of new technology.
  • Page 148 PRINTED CIRCUIT BOARD (DIGITAL BOARD) (BOTTOM VIEW) PIO6b4ZA " ! 0_" oo o ..IC402 Notes: 1. The circuit shown in r--q on the conductor indicates printed 2. The circuit shown in F-q on the conductor indicates printed circuit on the back side of the printed circuit board. circuit on the front side of the printed circuit board.
  • Page 149 SCHEMATIC DIAGRAM (DIGITAL CIRCUIT) ..j+ 1£ ÷ 5',. 1_20 ]AB_ -'--_'=_o "AD' ',Ab2 i'D.' ,,D4 ,'o_ 'E'6 'D" \A:_ ,_DC r_D 2"'D 3 "D 41_C15 tC740 IC'4, ;rTJ2 IC743 1C'44 C'4=. 1";_46 IC747 _;748 -_4_ ]7_4 ± _735 IC736 IC737 ±...
  • Page 150 SCHEMATIC DIAGRAM (ANALOG CIRCUIT) _± 022 JGBP ¢2_ ÷b REC1 2SA1627 TO LINE LI/L2 ]Cl4-1 (5,6_/8.29) C1]£ M0.01 C136 100P C!24 K330P R2G 240K v'V"Vov , ,_; 2SC4155S _5VA _'_T_=: R16} +SVD J J1 ÷SVA [C 3 _12V :=> R12G 15K Q1G1 150K C122...

  • Page 151: Printed Circuit Board

    KX-F1200 KX-F1200 PRINTED CIRCUIT BOARD (DIGITAL TAM/ANALOG BOARD) (COMPONENT VIEW) Pin No. Voltage & Waveform 1,2, 5~14, 16~19 4,15,29, 40,54,65, ..79,88,90 others 0V or 5V Notes: 1. The circuit shown in _ on the conductor indicates printed The circuit shown in r--m on the conductor indicates printed circuit on the back side of the printed circuit board.
  • Page 152 KX-F1200 KX-F1200 PRINTED CIRCUIT BOARD (DIGITAL TAM/ANALOG BOARD) (BOTTOM VI EW) BAli C703 ..' _' C701 ..• _" ... "_ _2__'_iO _ • LT0i " "_? J_i_!_'_._ _ _ _ _"_._3_3_'_7_'_ ,I RT!! lil ......" I,I .._'\ ..
  • Page 153 I,,,-, iZ{5..q, ,,.,,.-, I,,..6{3 MEMO SCHEMATIC DIAGRAM AND PRINTED CIRCUIT BOARD (COD) 3 #s3 _Ls P---W-4 F 1._r-L_['-LF _-_2 FR.J_ 0.5 Hs F2 _.J'7_.[7_ "t FTG _ -'-I P'- _ J_ b.Z-b.tJ CNeO_ _ ]9.216ms >T_ / V - mT_I-----L__F- I-_., /=o,_=o ,._,_L 1C801...
  • Page 154 KX-Fi200 KX-Fi20u SCHEMATIC DIAGRAM(SWITCHING POWER SUPPLY) TH101 CN301 D201 o101 :R102 120K :2 v ..D106 R201 R202 24VH 2.2K 220P VR201 C201 R213 C202 R103 R104 L 35V 1000 120K Cl13 D210 z R105 0.33 0.047 o._? Rl13 0.33 IC201 R203 C 104...
  • Page 155 KX-F1200 KX-F1200 PRINTED CIRCUIT BOARD (SWITCHING POWER SUPPLY) (COMPONENT VIEW) CN30I CN302 PI_IOI IC201 C202 '-" -165- -166-...
  • Page 156 KX-F1200 KX-F1200 PRINTED CIRCUIT BOARD (OPERATION BOARD) (COMPONENT VIEW) (BOTTOM VIEW) Voltage NO,, Waveform Pin No. __._ i R (LED ON) _3-29j JqSL_ov (LED OFF) ii \ - 167- - 168-...

  • Page 157: Schematic Diagram

    KX-F i 200 KX-F i 2.00 SCHEMATIC DIAGRAM(OPERATION CIRCUIT) R380 CONF MESSAGES RESOL LOWER HE [ P ONE 11 $348 s34_ $34-4 $343 $342 $341 R327 $347 $337 S336 $339 $338 R320 $332 $33t $346 $334 $333 L_-%q R325 R361 READ PU,'DI I it)i,, $325...
  • Page 158 KX, T; 2C,5 t_,X. T ; 2C,,3 SCHEMATIC DIAGRAM/PRINTED CIRCUIT BOARD(SENSOR} PQUP/0616ZA-D ,11! PAPER SENSOR (PbgO4) PQUP10616ZA-A PAPER OUT SENSOR (PS905) _t I t_Uo PS904 END SENSOR PSg01 PQUP] 0616Z +_Vl _---_ r 1 / 0._,o PASEN PsgoI +5V2 EXSEN POUPlOCBgZA POUP1 061 6ZA-B...
  • Page 159 KX-F i 260 I P_.HMiNAL GUIDE OF IC'S TRANSISTORS AND DIODES "G 8;"_ ..30 5 _64__19 PQVICS10256N PQVICX58257C PFVI96031 PQVIR96DFXL PQVIBA12003 PQVI63HB110 33 _-,, 1.1. 26°__9_'v11 5 PQVlTC7W04FL PQVlS3510ACJ PQVlMC34119M PFVITC7S32F PQVINJM4558M PQVIS80732S PQVlBU121020 PQVIFA5311 S PQVIHY54256G PQVITC7S00FL MN53007QAF PFVlBU4066BF PQVIMM1245BF PQVI BU8242 F PQVlBU4053BC...
  • Page 160 RX-1"1200 Calhode athode Anode Anode 2SA 1309 PQVDERA81004 MA 141WA MA728 LN11WP22TDA LN21RPSLXV - 174-...

  • Page 161: Tools

    KX-F _2.00 TOOL EC13 EC11 EC12 - 175-...

  • Page 162: Cabinet, Mechanical And Electrical Parts Location

    KX-F1200 CABINET, MECHANICAL AND ELECTRICAL PARTS LOCATION 1. OPERATION PANEL SECTION 42_35 5_51 - 176-...
  • Page 163 _X-P1200 2. UPPER CABINET/P.C.B/THERMAL HEAD SECTION © © ® PCB2 PCB1 CCD UNIT ®$ =Lubrication= PCB6 @® _-PQZZSG3451 (Grease) - 177 -...
  • Page 164 KX-F1200 3. MECHANICAL SECTION 130, ® "_126 ® 167_ ® ® ® ® ® ® ®_ 190 _. =Lubrication= Yr PQZZSG3451 (Grease) _r'/I'PQZZOLG425Y (Grease) - 178-...
  • Page 165 4. LOWER CABINET/PAPER CASSETTE SECTION ® 229-9 229-5 229-1 229-1 - 179-...
  • Page 166 KX-F1200 5. CCD UNIT SECTION PCB5 ® - 180-...
  • Page 167 • f • • b. _{J | tJAL ,_|i..r- UI- ,._L;REWS WASHER Ref. No. Part No. Ref. No. Part No. Figure Figure ® XTW3+U8L XYN3+F8 © XTW3+S 12P XYN26+F6 XSB4+6 XYC26+CF6 XWC4B XTW3+S8M XTW3+U6LR XTW3+U6L ® XYC3+CF14 XTW3+W8P Not Used XTW3+S 10P ®...

  • Page 168: Accessories And Packing Materials

    KX-F1200 ACCESSORIES AND PACKING MATERIALS A6, A13 FILM CARTRIDGE A8 A1 ACCESSORY - 182-...
  • Page 169 KX-Fi200 REPLACEMENT PARTS LIST lhis replace.lent parts list is for KX-F1200 only. Refer to the simplified manual (cover I for other areas. REPLACEMENT PARTS LIST :lef. No. Part No. Part Name & Description Notes: Model KX-F1200 PQMH10125Y ANGLE, ADF SPRING 1.
  • Page 170 KX-Flzuu KX-F1200 only. This replacement parts list Refer to the simplified manual Icover/for other areas. i Pcs I Ref. No. Part No. Pad No. Part Name & Description Part Name & Description i Ref. No. ;168 PQDG10006Z GEAR, SEPARATION ROLLER =QDG 10025Z GEAR, IDLE XUC2FY...
  • Page 171 KXlr i zuo IThis replac--ement parts list KX-F1200 only. Refer to the simplified manual/cover I for other areas. Ref. No. Part No. Part Name & Description Ref. No. I Part No. Part Name & Description ACCES_ CRIES AND PACKING MATERIALS (CONNECTORS) CN401 PQJP11A19Z...
  • Page 172 KX-F 1 zuu IThis replacement parts list is for KX-1-1200 uiily. Heler to the simpIilied nlaNuul/L;ovu[} for other areas. Ref. No. Ref. No. Part No. Part Name & Description Part No. Part Name & Description C704 PCX_UV 1E104MD R436 PQ4RIOXJI05 R437 C705 PQCUV...

  • Page 173: Replacement Parts List

    rkA-hlZUU ..1his replacement parts list Is for KX-F1200 only. Refer to the simplified manual Icover/|or other areas. Re1. No. Part No. Part Name & Description Ref. No. Part No. Part Name & Description R627 ERJ3GEYJ393 ICl 7 PQVIS80732S R628 PQ4R10XJ563 IC18,19 PQVlNJM4558M...
  • Page 174 KX- F1200 parts list is for KX-F1200 This replacement only. Refer to the simplified manual/cover) for other areas. Ref. No. I Part No. I Ref. No. I PartNo. Part Name & Description Part Name & Description '092 I PQJP07A92Z 0.0039 CONNECTOR, ECUV1H392KBV 0.033...
  • Page 175 KX-F1200 IThis replace,,,em p_,rts-list is tor KX-Fi200 only. Refer to the simplified manual/cover / for other areas. Ref. No Pad No. PC, = Part Name & Description Ref. No. Part No. Part Name & Description 3170 ECEA1CKS100 (RESISTORS) 3171 ECEA1AU10t J1,8,9,10 ERJ3GEYJOR00 3172...
  • Page 176 Rx-P1200 IThls replacement parts list KX-F1200 only. Refer to the simplified manual Icover) for other areas. Pad No. Ref. No. I Part No. Part Name & Description Ref. No, Part Name & Description :{165 IERJ3GEYJ473 ERJ3GEYJ102 :{166 IERJ3GEYJ101 ERJ3GEYJ473 :{167,168 IERJ3GEYJ473 ERC14GK226 :{170 IERJ3GEYJ104...
  • Page 177 KX-F1200 IThis replacement parts list is for KX-F1200 only. Refer to the simplified manual Icover I for other areas. Ro, NoI P...o Pa,, Name. Oesc,ptioo I Pc s Ref. No. Part No. Part Name & Description R242 ERJ3GEYJ104 OPERATION BOARDS PARTS 100K R243 ERJ3GEYJ103...
  • Page 178 KX-F1200 )arts list is for KX-F1200 only. IThis replacement Refer to the simplified manual Icover) for other areas. Ref. No. PartNo. Part Name & Description IPcs Re,No I Part No. Part Name & Description PQ4R10XJ222 2.2K CCD BOARD PARTS R347 PQ4R10XJ222 2.2K R348...
  • Page 179 T_is replacement parts list is for KX-F1200 only. Refer to the simplified manual/cover / for other areas. Ref. No. Pa_ No. Ref. No. Part No. Part Name & Description Part Name & Description _HERMISTOR) CAPACITORS) THERMISTOR 0.22 TH101 PQRRT8DllF2 C101 ECQU2A224MV 0.001 C102,103...
  • Page 180 IThls replacement parts list KX-F1200 only. Refer to the simplified manual Icover) for other areas. No. I Ref. Part No. Part Name & Description P cs FIXTURES AND TOOL PQZZ2K 12Z EXTENSION CORD, 2P PQZZ8K 18Z EXTENSION CORD, 8P PQZZ2K13Z EXTENSION CORD, 2P PQZZ3K8Z EXTENSION CORD, 3P...

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