Page 1
AV-65WP74 SERVICE MANUAL REAR PROJECTION TELEVISION 52096 2003 AV-65WP74 BASIC CHASSIS TABLE OF CONTENTS PRECAUTIONS ............... 1-3 SPECIFIC SERVICE INSTRUCTIONS .
Page 2
AV-65WP74 SPECIFICATION Items Contents Dimensions (W x H x D) 156.6cm x 149.5cm x 72.8cm (61-3/4" x 58-7/8" x 28-3/4") Mass 111 kg (245 Ibs) TV RF System CCIR (M) Color System NTSC Sound System BTSC System (Multi Channel Sound) TV Receiving Channels and Frequency VL Band...
AV-65WP74 SECTION 1 PRECAUTIONS 1.1 SAFETY PRECAUTIONS (10) Isolation Check (Safety for Electrical Shock Hazard)After re-assembling the (1) The design of this product contains special hardware, many circuits product, always perform an isolation check on the exposed metal and components specially for safety purposes. For continued parts of the cabinet (antenna terminals, video/audio input and output protection, no changes should be made to the original design unless terminals, Control knobs, metal cabinet, screwheads, earphone jack,...
Page 4
AV-65WP74 1.2 INSTALLATION 1.2.1 REMOVING THE UPPER UNIT FROM THE LOWER UNIT 1.2.1.1 TYPES AND PLACES OF SCREWS • Be careful not to confuse the following four types of screws. Type Ref. Place for attaching screws Quantity Color Shape Front panel bracket Black diameter of 4mm-length of 18mm, acute tip Rear cover bracket...
Page 5
[Fig.3] • VOID seal [ a ] attached to the left front panel bracket in order to confirm that a person except JVC installation workers has disassembled the set. This seal is removed when the upper unit is removed, and the letters of "VOID"...
Page 6
AV-65WP74 1.2.1.3 REASSEMBLY PROCEDURE • Make sure that power cord is pulled out from the AC wall socket. • Remove the Top Sheet which covers the lower unit. (1) Lift the upper unit slowly, and then place the upper unit on the lower unit.
Page 7
AV-65WP74 1.2.2 INSTALLATION SITE (1) The rear of this set is provided with ventilation openings. (more than 5cm) Install the set more than 5 cm from a wall and in a location with good ventilation. (2) Avoid the following types of locations. a) Unstable locations (location must be able to Wall withstand heavy weight).
AV-65WP74 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.1 FEATURES • New chassis design enable use of an interactive on screen control. • 2-3 PULL DOWN : You can enjoy DVD movies at the highest picture quality. • MOTION COMPENSATION : With this function, the seamless reproduction of dynamic motion on the screen has been realized. •...
Page 9
AV-65WP74 REMOTE CONTROL UNIT [RM-C1200G] POWER Key ASPECT Key TV CATV VCR DVD POWER ASPECT VCR / DVD Switch MULTI SCREEN SPLIT INDEX EZ SURF TV / CATV Switch Input select Keys FREEZE SWAP SELECT THEATER PRO Key INPUT1 SLEEP TIMER Key INPUT2 DISPLAY Key INPUT3...
Page 11
AV-65WP74 2.3 TECHNICAL INFORMATION 2.3.1 MAIN MICRO COMPUTER (CPU) FUNCTION (MN102H75K) Pin No. Pin name Function Pin No. Pin name Function CLK SW2 IP clock switch -------- ON_TIM LED for on timer /MICON_V V.sync for OSD CONVER_RXD Convergence control LB_PRO Low B protection detection CONVER TXD Convergence control...
Page 12
AV-65WP74 2.4 MAIN PARTS LOCATION 2.4.1 PWB ASS'Y ARRANGEMENT The PWB ASS'Y is indicated below. • MAIN PWB ASS'Y (SSB-1068A-M2) • DIGITAL CONVERGENCE MODULE PWB ASS'Y • RECEIVER PWB ASS'Y (SSB0R268A-M2) • DIGITAL INPUT MODULE PWB ASS'Y • MI-COM & DIST MODULE PWB ASS'Y (SSB0D068A-M2) •...
Page 13
AV-65WP74 2.5 SCREEN HANDLING CAUTIONS 2.5.1 SCREEN STORAGE Store the SCREEN ASS'Y in a standing position in order to avoid deformation. If the screen is stored horizontally, there is risk of deforming the screen face. When necessary to place the SCREEN ASS'Y horizontally, position the screen side upwards and sure to place spacers between the screen and resting site (floor or stand etc.) to prevent the screen from sagging.
Page 14
AV-65WP74 2.7 DISASSEMBLY PROCEDURE SPEAKER WIRE • Make sure that the power cord is pulled out from the AC wall socket. SPEAKER (WOOFER) 2.7.1 SPEAKER GRILLE (1) Remove 4 screws [ A ] from rear side. (2) Open the door of the FRONT CONTROL BOX and remove 2 screws [ B ] from front side.
Page 15
AV-65WP74 2.7.7 SCREEN ASS'Y SCREEN ASS'Y • Take out the SPEAKER GRILLE. • Take out the FRONT CONTROL BOX. FRONT (1) Remove the 4 screws [ I ] attaching the FRONT BRACKET. BRACKET (2) Remove 10 screws [ J ] from rear side. (3) Take out the connector [ CN00Z ].
Page 16
AV-65WP74 2.7.9 REAR PANEL (1) Loosen 4 screws [ L ]. (2) Remove 4 screws [ M ]. (3) Raise slightly REAR PANEL upward. (4) Take out the REAR PANEL. NOTE : • Before the rear panel is inserted into the cabinet, release the short-circuit between the [SB] connector (1) pin and (2) pin of the DIGITAL INPUT UNIT.
Page 17
AV-65WP74 2.7.12 PARTITION • Take out the REAR PANEL. MAIN UNIT (1) Pull out the PARTITION back ward. 2.7.13 MAIN UNIT • Take out the SPEAKER GRILLE. • Take out the connector [BH], [R], [BG] on the FRONT REAR SIDE CONTROL PWB.
Page 18
AV-65WP74 2.7.15 AV TERMINAL BOARD AV TERMINAL • Take out the REAR PANEL BOARD (1) Remove 9 screws [ U ]. (2) Remove 1 screws [ V ]. (3) Pull out the POWER CORD CLAMP from AV TERMINAL BOARD left side. DIGITAL INPUT (4) Remove the nut [ W ] attaching the ANTENNA TERMINAL.
Page 19
AV-65WP74 2.7.18 PROJECTION UNIT • Take out the SPEAKER GRILLE PROJECTION UNIT • Take out the FRONT CONTROL BOX • Take out the REAR PANEL • Take out the MAIN UNIT. (1) Take out the CRT SOCKET PWB. (2) Remove 4 screws [ a ] attaching the PROJECTION UNIT. (3) Pull out the PROJECTION UNIT, upward.
Page 20
AV-65WP74 2.8 REPLACEMENT OF CHIP COMPONENT 2.8.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 2.8.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.
Page 21
AV-65WP74 2.9 MEMORY IC REPLACEMENT 2.9.1 MEMORY IC SERVICE MENU This memory IC stores data for proper operation of the video and deflection circuits. SERVICE MENU When replacing, be sure to use an IC containing this (initial 1.PICTURE/SOUND 7.CONVER BD value) data.
Page 22
AV-65WP74 2.9.4 SHIPPING FACTORY SETTING VIDEO STATUS MEMORY (NTSC / 480p) Setting value Item TINT COLOR PICTURE BRIGHT DETAIL STANDARD THEATER DYNAMIC (HD) Setting value Item TINT COLOR PICTURE BRIGHT DETAIL STANDARD THEATER DYNAMIC CHANNEL SETTING (CHANNEL SUMMARY) Band CH display Setting Band CH display...
Page 23
AV-65WP74 SHIPPING FACTORY SETTING (USER SETTING) Setting item Setting value Setting item Setting value POWER TINT / COLOR / PICTURE/ Refer to setting of Video status CHANNEL CABLE-02 BRIGHT / DETAIL memory at shipping factory VOLUME setting INPUT COLOR TEMPERATURE HIGH DIG.
AV-65WP74 SECTION 3 ADJUSTMENTS 3.1 ADJUSTMENT PREPARATION 3.2 ADJUSTMENT EQUIPMENT (1) You can make the necessary adjustments for this unit with (1) DC voltmeter (or digital voltmeter) either the Remote Control Unit or with the adjustment tools (2) Oscilloscope and parts as given below. (3) Signal generator (Pattern generator) (2) Adjustment with t he Remote Control Unit is made on the [NTSC / 480i / 480p / 720p / 1080i / HDCP]...
AV-65WP74 3.4 ADJUSTMENT LOCATION (1/2) CONVERGENCE OUT PWB FRONT CONTROL PWB FRONT POWER SW POWER SW IC805 IC804 DIGITAL CONVERGENCE MODULE PWB MENU CH - CH + VOL - VOL + INPUT 3 REMOCON SENSOR PWB MI-COM & DIST PWB FRONT RELAY PWB R/G/B CRT SOCKET PWB FRONT...
Page 26
AV-65WP74 3.5 ADJUSTMENT LOCATION (2/2) DIGITAL INPUT MODULE PWB CRT SOCKET PWB M-I COM & DISC MODULE PWB TP-E TP-E TP-E TP-R TP-G TP-B REAR R CRT SOCKET G CRT SOCKET B CRT SOCKET FOCUS PACK CONNECTOR VM PWB MAIN PWB SCREEN FOCUS POWER &...
Page 27
AV-65WP74 3.6 BASIC OPERATION OF SERVICE MENU DO NOT ADJUST SERVICE MENU 4.MEMORY SETUP SERVICE MENU ADDRESS(H) 0000 1.PICTURE/SOUND 7.CONVER B 2.YC SEP 8.PP 3.WHITE BALANCE 9.IP 4.MEMORY SETUP 0.GCR 5.RF AFC 6.CONVER A DO NOT ADJUST 1.PICTURE/SOUND 5.RF AFC NTSC CINE ST L FL MUTE Function (Right / Left) key...
Page 28
AV-65WP74 3.6.1 TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 3.6.2 SERVICE MENU ITEMS In general, basic setting (adjustments) items or verifications are performed in the SERVICE MENU. 1.PICTURE / SOUND ..This sets the setting values of the VIDEO,AUDIO and DEFLECTION circuits. 2.YC SEP .......This is used when the YC separation circuit is adjusted.
Page 29
AV-65WP74 3.6.5 SERVICE MENU SETTING 1. PICTURE/SOUND 3. WHITE BALANCE AUDIO, VIDEO, DEFLECTION data adjustment. Adjustment of LOW LIGHT / HIGH LIGHT 1.SETTING ITEM No. 1.SELECT ITEM • Press [CH+] / [CH-] key A : AUDIO 2.SETTING VALUE S : SIGNAL BRIGHT D : DEFLECTION •...
Page 30
AV-65WP74 5. RF AFC 8. PP [Do not adjust] MULTI-PICTURE circuit data setting • Do not adjust (except ADM012~ADM014 : Refer to VIDEO 5.RF AFC ADJUSTMENT page) 8.PP SETTING ITEM No. PPA001~PPA008 PPB001~PPB036 PPC001~PPC008 TUNER PPD001~PPD025 ADM001~ADM034 FINE SETTING VALUE (NOTE) PPA001 TUNER 1(MAIN) / 2(SUB)
Page 31
AV-65WP74 3.7 INITIAL SETTING VALUE OF SERVICE MENU (1) Adjustment of the SERVICE MENU is made on the basis of the initial setting values; however, the new setting values which set the screen in its optimum condition may differ from the initial setting. (2) Do not change the initial setting values of the setting items NOT LISTED IN ADJUSTMENT.
Page 32
AV-65WP74 DEFLECTION SYSTEM Initial setting value Item Item name Variable range SINGLE PICTURE SPRIT / POP / MULTI (FULL) D01 V. SIZE 000~127 D02 EW 000~063 D03 H. SIZE 000~127 D04 V. SCORE 000~063 D05 V. LINE 000~031 D06 V. CENT 000~127 D07 EW.TRAP 000~127...
Page 33
AV-65WP74 VIDEO SYSTEM ( NTSC / 480i / 480p ) NTSC 480i 480p Item Item name Variable range STANDARD THEATER STANDARD THEATER STANDARD THEATER S01 COLOR 000~255 S02 TINT 000~255 ( 720p / 1080i / HDCP ) 720p / 1080i HDCP Item Item name...
Page 34
AV-65WP74 ( NTSC / 480i ) NTSC 480i Item Item name Variable range STANDARD THEATER STANDARD THEATER HIGH HIGH HIGH HIGH S10 DRIVE R 000~255 (Not display) -128~+127 S12 DRIVE B 000~255 (Not display) -128~+127 -018 -007 -010 -018 ( 480p / 720p / 1080i ) 480p 720p / 1080i Item...
Page 35
AV-65WP74 ( 480p / 720p / 1080i ) 480p / 720p / 1080i HDCP Item Item name Variable range STANDARD THEATER STANDARD THEATER S14 CUTOF R 000~255 (Not display) -128~+127 -008 -006 S16 CUTOF G 000~255 (Not display) -128~+127 S18 CUTOF B 000~255 (Not display) -128~+127...
Page 36
AV-65WP74 (HDCP / POP / MULTI ) HDCP Item Item name Variable range 480p 1080i / 720p STANDARD THEATER STANDARD THEATER S33 BRT OFST -128~+127 -004 -003 S34 CNT OFST -128~+127 -003 -005 (SPRIT) SPRIT POP / MULTI Item Item name Variable range STANDARD THEATER...
Page 37
AV-65WP74 (ALL SIGNAL ) Item Item Item name Variable range Initial Setting value Item name Variable range Initial Setting value (Not display) 000 / 001 S49 OSDR DC 000~127 (Not display) 000 / 001 S50 OSDB DC 000~127 (Not display) 000 / 001 S51 BLK OFF 000 / 001...
Page 38
AV-65WP74 Item Item name Variable range CINEMA Except CINEMA F09 AUTO SCR 1 000~015 F10 AUTO SCR 2 000~015 F11 AUTO SCR 3 000~015 F12 AUTO SCR 4 000~015 F13 AUTO SCR 5 000~015 F14 AUTO SCR 6 000~015 F15 AUTO SCR 7 000~015 Item Item...
Page 39
AV-65WP74 3.7.2 [2.YC SEP] (All fixed) Variable Initial setting Item No. Item name NOTE : range value Initial setting value is reference value at following condition. YCM039 (Not display) 000~127 INPUT SIGNAL : NTSC YCM040 (Not display) 000~003 ASPECT : FULL YCM041 (Not display) 000~063...
Page 40
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value YCM084 (Not display) 000~063 YCM129 (Not display) 000 / 001 YCM085 (Not display) 000 / 001 YCM130 (Not display) 000~003 YCM086 (Not display) 000 / 001 YCM131...
Page 41
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value YCM174 (Not display) 000~255 YCS034 (Not display) 000 / 001 YCM175 (Not display) 000 / 001 YCS035 (Not display) 000~255 YCM176 (Not display) 000 / 001 YCS036...
Page 42
AV-65WP74 3.7.3 [3.WHITE BALANCE] Variable Initial setting Item No. Item name range value NOTE : Initial setting value is reference value at following condition. YCS079 (Not display) 000 / 001 INPUT SYGNAL : NTSC YCS080 (Not display) 000~003 ASPECT : FULL YCS081 (Not display) 000 / 001...
Page 43
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value CBA11 GV CLAMP 0 / 1 CBA56 AF5POSV 0~4095 1016 CBA12 BV CLAMP 0 / 1 CBA57 AF5HSIZE 0~255 CBA13 RH CLAMP 0 / 1 CBA58 AF5VSIZE...
Page 44
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value PPB008 (Not display) 000~255 ADM009 (Not display) 000~0FF PPB009 (Not display) 000~255 ADM010 (Not display) 000~0FF PPB010 (Not display) 000~031 ADM011 (Not display) 000~0FF PPB011...
Page 45
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPA012 (Not display) 000~03F PPD001 (Not display) 000~0FF IPA013 (Not display) 000~003 PPD002 (Not display) 000~00F IPA014 (Not display) 000~003 PPD003 (Not display) 000~0FF IPA015...
Page 46
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPA057 (Not display) 000~03F IPA102 (Not display) 000~0FF IPA058 (Not display) 000 / 001 IPA103 (Not display) 000~00F IPA059 (Not display) 000 / 001 IPA104 (Not display)
Page 47
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPB025 (Not display) 000~00F IPB070 (Not display) 000~00F IPB026 (Not display) 000~0FF IPB071 (Not display) 000~0FF IPB027 (Not display) 000~00F IPB072 (Not display) 000~00F IPB028...
Page 48
AV-65WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPC034 (Not display) 000 / 001 IPE001 (Not display) 000~255 IPC035 (Not display) 000 / 001 IPE002 (Not display) 000~255 IPC036 (Not display) 000 / 001 IPE003...
Page 49
AV-65WP74 3.8 ADJUSTMENT PROCEDURE 3.8.1 CHECK ITEMS Measuring Item Test point Adjustment part Description instrument HIGH VOLTAGE Signal CRT Anode (1) Receive NTSC whole black signal. generator check (2) Connect the high voltage meter between CRT anode and GND. High voltage (3) Check that the high voltage DC 31.0kV±1.0kV.
Page 50
AV-65WP74 3.8.3 FOCUS & BEAM SPOT ADJUSTMENT Measuring Item Test point Adjustment part Description instrument FOCUS & Signal R Def. Yoke (DY) (1) Receive NTSC cross-hatch signal. (2) Press [ASPECT] key and select FULL mode. generator G Def. Yoke (DY) BEAM SPOT B Def.
Page 51
AV-65WP74 3.8.4 DEFLECTION & CONVERGENCE ADJUSTMENT • The adjustment using the remote control unit is made on the basis of the initial setting values. • The setting values which adjust the screen to the optimum condition can be different from the initial setting values. •...
Page 52
AV-65WP74 3.8.4.2 PREPARATION Measuring Item Test point Adjustment part Description instrument SCREEN TILT Signal [1.PICTURE/SOUND] • Confirm correct FOCUS adjustment. generator F62 : Without adjustment (1) Receive NTSC cross-hatch signal. convergence operation (2) Select 1. PICTURE/SOUND from SERVICE MENU. Remote (3) Select <F62>...
Page 53
AV-65WP74 3.8.4.3 DEFLECTION ADJUSTMENT Measuring Item Test point Adjustment part Description instrument V. POSITION / Signal [1.PICTURE/SOUND] • To memorize every time after finish adjustment on each generator D01 : V. SIZE SIZE / mode. D05 : V. LINE LINEARITY (1) Receive NTSC circle pattern signal.
Page 54
AV-65WP74 Measuring Item Test point Adjustment part Description instrument SIDE PIN Signal [1.PICTURE/SOUND] (1) Receive NTSC cross-hatch signal. generator D02 : EW adjustment (2) Select FULL mode with [ASPECT] key. D08 : BOT.CORN (3) Select 1. PICTURE/SOUND from SERVICE MENU. Remote D09 : TOP.CORN (4) Select <F62>...
Page 55
AV-65WP74 3.8.4.4 CONVERGENCE ADJUSTMENT(1) ••••••• RGB together Measuring Item Test point Adjustment part Description instrument CONVERGENCE Signal [6.CONVER A] NOTE: generator CPA03 : FINE H PHASE Retain the default value of this adjustment. It is not CPA04 : FINE V adjustment necessary to carry out the adjustment unless the image Remote...
Page 56
AV-65WP74 3.8.4.5 DEFLECTION ADJUSTMENT(2) ••••••• RGB respectively Measuring Item Test point Adjustment part Description instrument OVERALL Signal [ 6.CONVER A ] NOTE: generator CPA08 : FINE OFF CONVERGENCE Retain the default value of this adjustment. It is not CCA01 : C H CENT adjustment (1) necessary to carry out the adjustment unless the image on Remote...
Page 57
AV-65WP74 Measuring Item Test point Adjustment part Description instrument OVERALL Signal [ 7.CONVER B ] NOTE: generator CONVERGENCE Perform this adjustment after performing OVERALL adjustment (2) CONVERGENCE adjustment (1). Remote [POINT] (1) Select 7.CONVER B from SERVICE MENU. Then control unit appear green cross-hatch pattern for adjustment.
Page 58
AV-65WP74 3.8.5 VIDEO ADJUSTMENT Measuring Item Test point Adjustment part Description instrument Signal [1.PICTURE/SOUND] [WHITE BALANCE LOW LIGHT ADJUSTMENT for generator F44 : Image CONVERTER SINGLE SCREEN] adjustment OFFSET (1) Input the 480i (DVD) whole black signal from the Remote F45 : Image adjustment (1) COMPONENT VIDEO terminal.
Page 59
AV-65WP74 Measuring Item Test point Adjustment part Description instrument Signal [1.PICTURE/SOUND] [WHITE BALANCE LOW LIGHT ADJUSTMENT for generator F44 : Image CONVERTER SPLIT RIGHT SCREEN] adjustment OFFSET (1) Press [SPLIT] key to enter the SPLIT screen mode. Remote F45 : Image adjustment (2) (2) Select STANDARD with [VIDEO STATUS] key.
Page 60
AV-65WP74 Measuring Item Test point Adjustment part Description instrument RGB CUTOFF Signal TP-R [1.PICTURE/SOUND] (1) Receive NTSC whole black (0%) signal. generator S14: CUTOF R adjustment [R CRT (2) Select STANDARD mode with [VIDEO STATUS] S16: CUTOF G SOCKET PWB] key.
Page 61
AV-65WP74 Measuring Item Test point Adjustment part Description instrument WHITE Signal [1.PICTURE/SOUND] (1) Receive NTSC black & white pattern signal (color generator BALANCE S14: CUTOF R off). (LOW LIGHT) S16: CUTOF G (2) Select STANDARD mode with [VIDEO STATUS] Remote adjustment S18: CUTOF B key.
Page 62
AV-65WP74 Measuring Item Test point Adjustment part Description instrument WHITE Signal [1.PICTURE/SOUND] (1) Receive NTSC black & white signal (color off). generator BALANCE S10: DRIVE R (2) Select STANDARD mode with [VIDEO STATUS] (HIGH LIGHT) S12: DRIVE B key. Remote adjustment (3) The COLOR TEMP is set at LOW mode.
Page 63
AV-65WP74 Measuring Item Test point Adjustment part Description instrument Signal [1.PICTURE/SOUND] (1) Receive NTSC black & white signal. generator CONTRAST S04: CONTRAST (2) Select STANDARD mode with [VIDEO STATUS] adjustment key. Remote (3) The COLOR TEMP is set at the LOW mode. control unit (4) Select 1.PICTURE/SOUND from SERVICE MENU.
Page 64
AV-65WP74 Measuring Item Test point Adjustment part Description instrument SUB COLOR / Signal TP-R [1.PICTURE/SOUND] [ Method of adjustment with measuring instrument ] generator SUB TINT / TP-B S01 : COLOR (1) Receive NTSC color bar signal. B-Y GAIN TP-E (GND) S02 : TINT (2) Select STANDARD mode with [VIDEO STATUS] Oscilloscope...
Page 65
AV-65WP74 Measuring Item Test point Adjustment part Description instrument MTS INPUT Remote [1.PICTURE/SOUND] (1) Select 1.PICTURE / SOUND from SERVICE MENU. control unit LEVEL A01 : IN LEVEL (2) Select <A01> (IN LEVEL). check (3) Verify that<A01> is set at its initial setting value. TV audio AUDIO OUT [1.PICTURE/SOUND]...
Page 66
AV-65WP74 3.9 HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT 3.9.1 HIGH VOLTAGE HOLD DOWN CIRCUIT After repairing the high voltage hold down circuit. This circuit shall be checked to operate correctly. 3.9.2 CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT (1) Turn the power switch ON.
AV-65WP74 SECTION 4 TROUBLESHOOTING 4.1 SELF CHECK FUNCTIONS • This model has self-check functions that inform of the failure of the TV by detecting abnormality. • Operational state is always monitored and the identified is memorized on the record. 4.1.1 HOW TO ENTER THE SELF-CHECK MODE (1) Set the <sleep timer 30min>...
Page 68
AV-65WP74 Indication Check item Details of detection Method of detection XRAY X-ray radiation protection Operation of X-ray protection circuit. At about 3 seconds after the power is turned D561, D562 : POWER & DEF PWB on, the self-check function starts. If NG is detected for 200ms, the power is turned off automatically.
Page 70
AV-65WP74 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. www.jvcservice.com(US Only) JVC CANADA INC. Head office : 21 Finchdene Square Scarborough, Ontario M1X 1A7 (416)293-1311 (No.52096) Printed in Japan 200302WPC...
AV-65WP74 AV-65WP74 CONTENTS AV-65WP74 USING P.W. BOARD ......................2-3 STANDARD CIRCUIT DIAGRAM SEMICONDUCTOR SHAPES ................... 2-3 BLOCK DIAGRAM......................2-5 NOTE ON USING CIRCUIT DIAGRAMS CIRCUIT DIAGRAMS 1.SAFETY Type MAIN PWB CIRCUIT DIAGRAM ........................2-7 The components identified by the symbol and shading are No indication :Ceramic capacitor RECEIVER PWB CIRCUIT DIAGRAM ......................
Page 78
AV-65WP74 AV-65WP74 MAIN PWB CIRCUIT DIAGRAM (4/12) SHEET 4 R2310 C2301 OPEN R2301 OPEN COMY1 COMY1 LC2301 R2302 D2423 QQR1199-001 OPEN OPEN R2303 OPEN C2302 R2304 OPEN NCB11CK-105X COMPB1 SHEET 7 COMPB1 J2131 OPEN LC2302 R2305 D2421 QQR1199-001 MA8100/M/-X C2303 R2306 OPEN NCB11CK-105X...
Page 80
AV-65WP74 AV-65WP74 MAIN PWB CIRCUIT DIAGRAM (6/12) SHEET 6 PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) IC3001 VOLTAGE (V) VOLTAGE (V) PIN NO. PIN NO. IC3001-7 IC3001-136 IC3001-137 IC3001-157 IC3001-163 IC3001-169 Q3001 Q3501 Q3002 Q3502 (3.3) Q3003 2.3Vp-p 3.4Vp-p 3.3Vp-p 1.1Vp-p 0.6Vp-p...
Page 81
AV-65WP74 AV-65WP74 MAIN PWB CIRCUIT DIAGRAM (7/12) SHEET 7 PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) IC1301 Q1301 Q1302 IC1301-35 IC1301-36 IC1301-38 IC1301-48 IC1301-50 IC1301-52 IC1301-57 Q1303 1.5Vp-p 1.5Vp-p 2.1Vp-p 1.0Vp-p 0.5Vp-p 0.7Vp-p 1.8Vp-p...
Page 82
AV-65WP74 AV-65WP74 MAIN PWB CIRCUIT DIAGRAM (8/12) SHEET 8 SHEET 12 L1211 QQL25CK-100Z C1213 QETN1CM-107Z HDCP_H HDCP_H R1217 SHEET 4 OPEN PIN NO. VOLTAGE (V) HDCP_V HDCP_V IC1211 R1218 8.2k SHEET 6 C1216 NCF11CZ-475X SYNC. SEP./ DETECT/ IC1211 TA1318N IC1212 C1220 C1221 OPEN OPEN Q1232...
Page 83
AV-65WP74 AV-65WP74 MAIN PWB CIRCUIT DIAGRAM (9/12) SHEET 9 BASS_MU CN100G QGF1201C2-17 HP_VOL MECA_SW REMO STBVCC ON_TIM POW_LED BS_5V BS_5V STB3.3V STB3.3V FRONT RELAY PWB STB_GND STB_GND SHEET 23 EE_CDS C1853 D1851 OPEN OPEN KEY1 CF1851 OPEN KEY2 R1851 OPEN R1883 OPEN SCL0...
Page 84
AV-65WP74 AV-65WP74 MAIN PWB CIRCUIT DIAGRAM (10/12) SHEET 10 SHEET 12 CN1003 QGB1506L1-16 CN1GN1 CN1GN2 SCL0 DIST BASE BLOCK OPEN OPEN C1442 R1421 SDA0 R1423 3.3K D1403 MA111-X B1_POW NECK C1441 OSD_VD OPEN R1422 NECK POWER & DEF PWB(2/2) DEF_VP EHT( DC) SHEET 20 D1402...
Page 85
AV-65WP74 AV-65WP74 MAIN PWB CIRCUIT DIAGRAM (11/12) SHEET 11 SHEET 1 PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) IC6001 R6011 R6012 R6013 OPEN R6010 OPEN C1646 C1645 IC1621 OPEN C6002 C6001 R1629 C1630 R1618 C6003 C1623 OPEN OPEN OPEN R1628 OPEN OPEN...
AV-65WP74 AV-65WP74 FRONT CONTROL PWB CIRCUIT DIAGRAM SHEET 24 FRONT CONTROL PWB SSB0L068A-M2 Y4IN J0401 C0445 QMCC004-C0 1 R0404 Y4IN_GND J0401 C0446 QNZ0438-001 C4IN C4IN_GND R0405 LC0401 LC0403 LC0404 Y0401 R0412 LC0402 R0416 OPEN R0406 OPEN OPEN OPEN R0419 V4IN VIDEO 4 J0401 R0401...
Page 107
AV-65WP74 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. www.jvcservice.com(US Only) JVC CANADA INC. Head office : 21 Finchdene Square Scarborough, Ontario M1X 1A7 (416)293-1311 (No.52096) Printed in Japan 200302WPC...
AV-65WP74 PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied. P.
Page 109
AV-65WP74 CONTENTS EXPLODED VIEW PARTS LIST - 1 ......................3-2 EXPLODED VIEW - 1 ..........................3-3 EXPLODED VIEW PARTS LIST - 2 ......................3-4 EXPLODED VIEW - 2 ..........................3-4 PRINTED WIRING BOARD PARTS LIST ....................3-6 MAIN PW BOARD ASS’Y (SSB-1068A-M2) ..................3-6 POWER &...
AV-65WP74 EXPLODED VIEW PARTS LIST - 2 Ref.No. Part No. Part Name Description Local LC31829-001C-A DOOR QYSBSF3012M TAP SCREW 3mm x 12mm(x2) QYSBSF3012M TAP SCREW 3mm x 12mm(x3) LC31883-003A-A CONTROL PANEL LC31749-001A-A LED LENS LC31751-001B-A KNOB PU60109 CATCHER LC41237-001A RUBBER CATCH (x4) ...
Page 112
AV-65WP74 FRONT VM PWB (G only) CRT SOCKET PWB (R/G/B) CONVERGENCE OUT PWB DIGITAL CONVERGENCE MODULE RECEIVER PWB MI-COM & DIST DEF OSC PWB MODULE PWB FRONT RELAY PWB T502 DEF & POWER PWB DIGITAL INPUT MODULE PWB MAIN PWB LINE FILTER PWB (No.52096)3-5...
AV-65WP74 PRINTED WIRING BOARD PARTS LIST MAIN PW BOARD ASS’Y (SSB-1068A-M2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D1892 MA8082/M/-X Z DIODE D1893 MA8051/M/-X Z DIODE IC1211 TA1318N D1894 MA8051/M/-X Z DIODE IC1212 TC7W08F-X D1941...
Page 114
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C1351 NCB31HK-103X C CAPACITOR 0.01uF 50V K C1954 QETN0JM-108Z E CAPACITOR 1000uF 6.3V M C1352 NCB31HK-103X C CAPACITOR 0.01uF 50V K C1955 NCB31EK-104X C CAPACITOR 0.1uF 25V K C1353...
Page 115
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C3056 NCB31HK-472X C CAPACITOR 4700pF 50V K R1229 NRSA63J-332X MG RESISTOR 3.3kΩ 1/16W J C3057 QETN1CM-106Z E CAPACITOR 10uF 16V M R1230 NRSA63J-101X MG RESISTOR 100Ω...
Page 116
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1649 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R3004 NRSA63J-332X MG RESISTOR 3.3kΩ 1/16W J R1651 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R3005 NRSA63J-181X MG RESISTOR 180Ω...
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R3525 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J LC2301 QQR1199-001 EMI FILTER R3532 NRSA63J-680X MG RESISTOR 68Ω 1/16W J LC2302 QQR1199-001 EMI FILTER R3533 NRSA63J-0R0X MG RESISTOR 0Ω...
Page 118
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local RBV-606 BRIDGE DIODE C931 QEZ0203-227 E CAPACITOR 220uF 160V M D901 D910 MA700A-T2 SB DIODE C932 QETM1EM-228 E CAPACITOR 2200uF 25V M D911 RGP10J-5025-T3 SI DIODE C934...
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R952 QRE141J-222Y C RESISTOR 2.2kΩ 1/4W J R1006 QRC121K-102Z COMP RESISTOR 1kΩ 1/2W K R953 QRE121J-181Y C RESISTOR 180Ω 1/2W J R1008 QRC121K-152Z COMP RESISTOR 1.5kΩ...
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C3109 NDC31HJ-270X C CAPACITOR 27pF 50V J C818 NCB31HK-103X C CAPACITOR 0.01uF 50V K C819 NCB31HK-103X C CAPACITOR 0.01uF 50V K R3005 QRE121J-105Y C RESISTOR 1MΩ...
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local K807 QQR0621-002Z FERRITE BEADS D9912 1SR35-400A-T2 SI DIODE K808 QQR0621-002Z FERRITE BEADS D9913 1SR35-400A-T2 SI DIODE K809 QQR0621-002Z FERRITE BEADS D9914 1SR35-400A-T2 SI DIODE K810 QQR0621-002Z FERRITE BEADS...
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C136 NDC31HJ-102X C CAPACITOR 1000pF 50V J R187 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J C137 NDC31HJ-102X C CAPACITOR 1000pF 50V J R188 NRSA63D-101X MG RESISTOR 100Ω...
Page 123
AV-65WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local Q0102 2SB709A/QR/-X TRANSISTOR R0117 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J Q0103 2SD601A/QR/-X TRANSISTOR R0118 NRSA63J-273X MG RESISTOR 27kΩ 1/16W J Q0531 2SD601A/QR/-X TRANSISTOR R0201 NRSA63J-221X MG RESISTOR...
AV-65WP74 FRONT CONTROL PW BOARD ASS’Y Ref No. Part No. Part Name Description Local (SSB0L068A-M2) W0032 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J Ref No. Part No. Part Name Description Local W0033 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J W0034 NRSA63J-0R0X MG RESISTOR 0Ω...
AV-65WP74 FRONT RELAY PW BOARD ASS’Y (SSB0L268A-M2) Ref No. Part No. Part Name Description Local CN000G QGF1201C2-17 CONNECTOR FFC/FPC (1-17) CN000H QGF1201C2-13 CONNECTOR FFC/FPC (1-13) DIGITAL INPUT MODULE PW BOARD ASS’Y (65WP74CP-S) Ref No. Part No. Part Name Description Local 65WP74CP-S DIGITAL INPUT MODULE PWB...
AV-65WP74 PACKING PACKING PARTS LIST Ref.No. Part No. Part Name Description Local LC11252-003A PACKING CASE LC31955-002A BOTTOM CASE LC32287-001A-A PROTECT PAD LC11512-001A CUSHION ASSY 4pcs in 1set QPA02503505 POLY BAG 25cm x 35cm GQ40028-001A-A INSERT SHEET ------------ BATTERY (x2) RM-C1200G-1H REMOCON UNIT ...