Sharp XL-505H Service Manual
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Sharp XL-505H Service Manual

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Illustration: XL-505H/CP-505
• Note for users in UK
Recording and playback of any material may require consent
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
IMPORTANT SERVICE NOTES (XL-505E FOR UK/XL-507E ONLY) ............................................................................. 3
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
OPERATION MANUAL ..................................................................................................................................................... 6
DISASSEMBLY ................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 8
ADJUSTMENT .................................................................................................................................................................. 9
BLOCK DIAGRAM .......................................................................................................................................................... 16
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................ 20
VOLTAGE ....................................................................................................................................................................... 26
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 27
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 27
WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 28
TROUBLESHOOTING (CD SECTION) .......................................................................................................................... 29
FUNCTION TABLE OF IC .............................................................................................................................................. 34
LCD SEGMENT .............................................................................................................................................................. 41
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
XL-505H and CP-505 constitute XL-505H.
XL-505E and CP-505E constitute XL-505E.
XL-507E and CP-507 constitute XL-507E.
• In the interests of user-safety the set should be restored to its
CONTENTS
SHARP CORPORATION
- 1 -
XL-505H,505E,507E/CP-505,505E,507
XL-505H
XL-505E
XL-507E
CP-505
CP-505E
CP-507
original condition and only parts identical to those specified be
used.
No. S7752XL505HE/
Page

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Summary of Contents for Sharp XL-505H

  • Page 1: Table Of Contents

    Recording and playback of any material may require consent XL-507E and CP-507 constitute XL-507E. which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act 1956, the Dramatic and Musical Performers Protection Act 1956, the Performers Protection Acts •...

  • Page 2: Safety Precaution For Service Manual

    XL-505H,505E,507E/CP-505,505E,507 SAFETY PRECAUTION FOR SERVICE MANUAL Precaution to be taken when replacing and servicing the Laser Pickup. The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class I Requirements. However, the following precautions must be observed during...

  • Page 3: Important Service Notes (Xl-505E For Uk/Xl-507E Only)

    XL-505H,505E,507E/CP-505,505E,507 IMPORTANT SERVICE NOTES (XL-505E FOR UK/XL-507E ONLY) Before returning the unit to the customer after completion of a WITHSTANDING repair or adjustment it is necessary for the following withstand VOLTAGE TESTER PROBE voltage test to be applied to ensure the unit is safe for the customer to use.

  • Page 4: Names Of Parts

    XL-505H,505E,507E/CP-505,505E,507 NAMES OF PARTS XL-505H/505E/507E Front Panel 1. Function/Band/Track Number Indicator 2. Volume Indicator 3. Timer Indicator REC SLEEP 4. Record Indicator 5. Sleep Indicator 6. Repeat Indicator RANDOM MEMORY 7. Play Indicator 8. Extra Bass/Equalizer Indicator 9. Random Indicator 10 11 12 10.
  • Page 5 XL-505H,505E,507E/CP-505,505E,507 CP-505/505E/507 Speaker Section 1. Full-Range Speaker 2. Bass Reflex Duct 3. Speaker Wire XL-505H/505E/507E Remote Control 1. Remote Control Transmitter LED STAND-BY 2. On/Stand-by Button 3. (CD) Repeat/Random Button PRESET /RANDOM 4. (CD/TUNER) Memory/Set Button MEMORY/ 5. (CD/TUNER) Clear Button TUNING 6.

  • Page 6: Operation Manual

    XL-505H,505E,507E/CP-505,505E,507 OPERATION MANUAL – 6 –...

  • Page 7: Disassembly

    XL-505H,505E,507E/CP-505,505E,507 DISASSEMBLY XL-505H/505E/507E Caution on Disassembly Follow the below-mentioned notes when disassembling (A3)x1 the unit and reassembling it, to keep it safe and ensure Top Cabinet ø3x10mm (A1)x1 excellent performance: Cabinet ø3x10mm 1. Take cassette tape and compact disc out of the unit.

  • Page 8: Removing And Reinstalling The Main Parts

    XL-505H,505E,507E/CP-505,505E,507 REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION ( A1 ) x2 Perform steps 1 and 8 of the disassembly method to remove Mechanism Cover the CD mechanism. ( A2 ) x2 How to remove the pickup (See Fig. 8) ø2.6 x6mm...

  • Page 9: Adjustment

    XL-505H,505E,507E/CP-505,505E,507 ADJUSTMENT TUNER SECTION MECHANISM SECTION fL: Low-range frequency • Driving Force Check fH: High-renge frequency Torque Meter Specified Value • FM RF Play: TW-2412 Over 80 g Signal generator: 1 kHz, 75 kHz dev., FM modulated Frequency Test Stage Frequency...
  • Page 10 XL-505H,505E,507E/CP-505,505E,507 CD SECTION 1. This CD unit need adjustment as follow. CD Test Mode Adjustment Part Value/Adjusting Method Instrument Connection Step 1 VR803 (Focus Offset) DC + 40 mV (FEL>RFO) FEI (R826) and VRO (1-Pin of TP801) Step 4 VR802 (Tracking Error Balance) *1 (See Fig.
  • Page 11 XL-505H,505E,507E/CP-505,505E,507 TEST MODE The Test Mode for this microcomputer has two variations, namely "regular Test Mode" for adjustment and measurement and "self- diagnosis Test Mode" for self-judgment in final inspection of products. 1. Entering the Test Mode To enter the each Test Mode, press the POWER key, holding down the following two keys in the regular standby mode (power off state).
  • Page 12 XL-505H,505E,507E/CP-505,505E,507 2. Step 2 Mode When the PLAY key is pressed in the mode above, the laser lighting is turned on. In this state the laser is only turned on, and other operations are not performed. When the following operation key is pressed in this state, the following operation is performed.
  • Page 13 XL-505H,505E,507E/CP-505,505E,507 5. Step 5 Mode The tracking servo is turned on, groove is traced, mute is set to off, and playback is started. Even when the outermost periphery of disc is reached in playback mode, it does not stop. The LCD display indicates playback lapse time as in case of regular CD playback.
  • Page 14 XL-505H,505E,507E/CP-505,505E,507 Test Mode operation specification 3. Preset frequencies for various destinations (random preset memory) BAND (CH) 87.5MHz FM 108.0MHz 98.0MHz 90.0MHz FM 106.0MHz 522 kHz AM 1620 kHz 990 kHz 603 kHz AM 1404 kHz • The unit used in the table above is Hz. K represents 1,000 times, and M represents 1,000,000 times.
  • Page 15 XL-505H,505E,507E/CP-505,505E,507 6. LCD Test Mode (TEST 6) When the LCD Test Mode is set, all the LCD segments light. 7. Key input diagnosis Test Mode (TEST A) When the Test Mode is set, the following display appears. In this Test Mode checking as to whether all the main unit keys can be detected is performed. Accordingly, when this mode is set, checking is performed so as to examine whether the POWER key was pressed last after all the following keys were pressed.

  • Page 16: Block Diagram

    XL-505H,505E,507E/CP-505,505E,507 LCD701 COM3 COM0 VLC3 OSC2 IC701 OSC1 X701 IX0189AW X702 MMOD VREF BUS3 KEY1 SW702-SW707 PU-IN SW710-SW714 POWER SW718 LID-SW BIAS B-CAN CAM SW LED704-LED712 34 35 36 37 38 39 40 41 45 46 47 48 FW701 SYS STOP...
  • Page 17 XL-505H,505E,507E/CP-505,505E,507 SW701 CD EJECT M 12V D GND M GND S+6.2V A GND R-CH L-CH P MUTE A 12V P CONT CD+B R-MUTE FM ST B-CAN BIAS (S+6.2V) µ-CON5V Q861 REGULATOR Q906 SWTCHING TAPE MOTOR DRIVER SWTCHING PU IN Q905...
  • Page 18 XL-505H,505E,507E/CP-505,505E,507 SWITCHING R-MUTE Q351 FM MUTE LEVEL VR351 T302 AM ANT. X351 AM OSC OUT AM OSC. ANTENNA T306 CNP301 AM LOOP CF351 AM IF T351 CF352 VOLTAGE REGULATOR ZD351 AUDIO +12V A-GND RF AMP. Q305 CF302 FM RF FM OSC...
  • Page 19 XL-505H,505E,507E/CP-505,505E,507 R-CH X-BASS/GRAPHIC EQUALIZER TAPE TAPE L TAPE R 17 32 TUN R TUNER TUN L RVref CD R Vref LVref CD L IC401 LTEST LC75394E RTEST AUDIO PROCESSOR FUNCTION CONTROL AUDIO +12V VOL CONTROL AVSS LVROUT G-EQ CONTROL RVROUT...

  • Page 20: Schematic Diagram / Wiring Side Of P.w.board

    XL-505H,505E,507E/CP-505,505E,507 VD301-1 R320 R319 KV1236Z2 100K (0V) R358 C330 4.7V C332 C333 C343 8.2K C331 8.2P R364 R363 0.022 0.022 T302 0.047 3.3K L353 3.3K (UJ) AM ANT. TP302 C364 10/16 VR351 R361 Q351 10K(B) TRACKING KRC104 M FM MUTE...
  • Page 21 XL-505H,505E,507E/CP-505,505E,507 FM SIGNAL AM SIGNAL PLAYBACK SIGNAL RECORD SIGNAL CD SIGNAL 505H: 0.047 505H: 0.033 505E/507E: 0.068 505E/507E: 0.039 505H: 0.033 R412 505E/507E: 0.039 5.6K C412 R414 22/16 3.3K 33 34 C406 C434 R480 1/50 0.0033 100K TAPE R R420...
  • Page 22 XL-505H,505E,507E/CP-505,505E,507 DISPLAY PWB-A3 LCD701 LED PWB-A4 FUNCTION SW707 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 STOP R708 /CLEAR BAND 5.6K SW714 SW706 COM1...
  • Page 23 XL-505H,505E,507E/CP-505,505E,507 CD LID SWITCH PWB-A7 SW701 CD EJECT CD SERVO PWB-A2 M 12V M 12V D GND D GND R787 R788 R794 CNS603 CD STB 81 1K BUS3 M GND 80 1K BUS2 S+6.2V 79 1K BUS1 A GND 78 1K...
  • Page 24 XL-505H,505E,507E/CP-505,505E,507 Q701 Q702 R70B R70G R70C LCD701 Q703 R753 C715 ZD701 D722 SW772 R70L IC701 STAND-BY SW707 FUNCTION R732 C702 SW706 BAND C701 X701 R726 X702 CD LID SWITCH PWB FW702B R725 R724 P24 6-G R723 3 2 1 SW705...
  • Page 25 XL-505H,505E,507E/CP-505,505E,507 701 Q702 POWER SUPPLY PWB-A6 When Servicing, pay attention as the area enclosed by this line ( ) is directly connected with AC main voltage. ZD701 R70L POWER TRANSFOMER CNS651 SO651 AC SOCKET ERASE HEAD(138) Q704 AC 230V,50Hz RECORD/PLAYBACK...

  • Page 26: Voltage

    XL-505H,505E,507E/CP-505,505E,507 VOLTAGE IC101 IC303 IC401 IC801 IC701 IC802 NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 2.1V 4.7V 2.5V 2.4V 4.2V 2.5V 4.7V 2.1V 2.3V 2.5V 2.1V 4.7V 2.1V 2.6V – 0.3V(8V) 2.1V...

  • Page 27: Notes On Schematic Diagram

    XL-505H,505E,507E/CP-505,505E,507 NOTES ON SCHEMATIC DIAGRAM • The indicated voltage in each section is the one measured • Resistor: by Digital Multimeter between such a section and the chas- To differentiate the units of resistors, such symbol as K and sis with no signal given.

  • Page 28: Waveforms Of Cd Circuit

    XL-505H,505E,507E/CP-505,505E,507 WAVEFORMS OF CD CIRCUIT STOP PLAY NO DISC FOCUS SEARCH DMEO FKIC DMFC FCSI DMPC FOCUS SEARCH STOP PLAY FKIC FCSI FMSO STOP PLAY TKIC FMFB STOP PLAY REVIEW TKIC SBAD FMFB STOP PLAY TCD-782 TUO-02 PLAYBACK TS2O RFRP R-CH –...

  • Page 29: Troubleshooting (Cd Section)

    XL-505H,505E,507E/CP-505,505E,507 TROUBLESHOOTING (CD SECTION) When the CD does not function When the CD section does not operate When the objective lens of the optical pickup is dirty,this section may not operate.Clean the objective lens,and check the playback operation.When this section does not operate even after the above step is taken,check the following items.
  • Page 30 XL-505H,505E,507E/CP-505,505E,507 • LCD indication error. Is +5.6V applied to the Is +5V applied to the pin 8 (VDD) of IC701? Check the pattern between emitter of Q704? Q704 and CNS603. Check the pattern between Q704 and IC704. Is +5V applied to the pin 38 (SYS STOP) of IC701? Check the PWB pattern between the collector of Q702 and Q701.
  • Page 31 XL-505H,505E,507E/CP-505,505E,507 • Focus servo sawtooth wave is not ouput. Check the pattern between pin 20 of IC801 and Q861. Is +5V applied to the pin 20 (VCC) of IC801? Is the following waveform Check R823 and R833 of Is sawtooth wave output to the pin 16 (FSO) of IC801? shown below obtained? pins 43 and 44 of IC802.
  • Page 32 XL-505H,505E,507E/CP-505,505E,507 • HF error. Is output (tracking error signal) obtained at the pin 35 (TSO) of Check IC801 and the periphery of CNW802. If OK, the optical IC801 when the CD test mode "STEP4" is set? pickup is faulty. Is tracking output obtained at the pin 30 (TS20) of IC801 when Check the peripheral parts of IC801.
  • Page 33 XL-505H,505E,507E/CP-505,505E,507 • Sled motor operation failure. Check the pattern between pin 27 of IC801 and pin 36 of IC802. Is slide feed signal output between the pin 26 (FUSO), 27 Check the connection of peripheral parts of IC801. (FMSM) of IC801 and the pin 15 of IC804 when FF/REW is If OK, IC801 is faulty.

  • Page 34: Function Table Of Ic

    XL-505H,505E,507E/CP-505,505E,507 FUNCTION TABLE OF IC IC701 RH-iX0189AWZZ:System Microcomputer(iX0189AW) (1/2) Terminal Name Input/Output Pin No. Function COM3-COM0 Output LCD COMMON output terminal VLC3-VLC1 — LCD power terminal — Microcomputer power supply +5V. OSC2 Output Main clock oscillator connection terminal f=8MHz OSC1...
  • Page 35 XL-505H,505E,507E/CP-505,505E,507 IC701 RH-iX0189AWZZ:System Microcomputer(iX0189AW) (2/2) Terminal Name Input/Output Function Pin No. SEG47 P62/A2 Output Tape circuit record/playback selection output H:Record Mode L:Playback Mode SEG46 P63/A3 Output Record bias oscillation frequency selection control output SEG45 P64/A4 Output Record bias oscillation circuit control output...
  • Page 36 XL-505H,505E,507E/CP-505,505E,507 IC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF) (1/2) Function Port Name Input/Output Pin No. GNDA — Analog grand terminal fo DA vonverter (R channel) Output R channel data forward output terminal. Output R channel data reverse output terminal. — Analog power supply terminal for DA converter.
  • Page 37 XL-505H,505E,507E/CP-505,505E,507 IC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF) (2/2) Function Port Name Input/Output Pin No. FCSI Output Focus actuator driving signal output terminal in the focus search mode. COMMAND FCSI OUTPUT OPERATION FORST Lens gets for away from disc FOSET Lens gets near disc...
  • Page 38 XL-505H,505E,507E/CP-505,505E,507 IC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF) 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 TESTX DMPC PLL circuit Data slicer DMFC AD converter Focus/ GNDD...
  • Page 39 XL-505H,505E,507E/CP-505,505E,507 IC801 VHiTA2065F/-1:Servo Amp. (TA2065F) Pin No. Terminal Name Input/Output Function Output RF amp (RF AMP) output terminal. Input RF ripple signal generating circuit input terminal. Output VR amp output terminal. 2VRO Output 2VR amp output terminal. RFRP Output RF ripple signal output terminal.
  • Page 40 XL-505H,505E,507E/CP-505,505E,507 IC801 VHiTA2065F/-1:Servo Amp. (TA2065F) 180k DMEO 68µF DMEN 2.8k DMEP 680k 3 STATE 25µA 1.5k OSCI RFRP BOTTOM FSOSC PEAK COSC 100k 33PF Figure 40-1 BLOCK DIAGRAM OF IC IC601 VHiLA4600//-1:Power Amp. (LA4600) Standby Standby switch ch1 input Pre-...

  • Page 41: Lcd Segment

    XL-505H,505E,507E/CP-505,505E,507 LCD701 RV-LX0027AWZZ : LCD COMMON SEGMENT Figure 41 LCD – 41 –...
  • Page 42 XL-505H,505E,507E/CP-505,505E,507 — M E M O — – 42 –...
  • Page 43 “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;...
  • Page 44 XL-505H,505E,507E/CP-505,505E,507 PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK CF302 92LFILTF1768AT AE FM IF XL-505H/505E/507E CF351 RFILF0003AWZZ AK FM IF CF352 RFILA0009AWZZ AE AM IF INTEGRATED CIRCUITS TRANSFORMERS IC101 VHIBA3126N/-1 AF Head Selector,BA3126N IC102 VHIBA3311L/-1 AK REC./P.B.Equalizer Amp.,...
  • Page 45 XL-505H,505E,507E/CP-505,505E,507 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK C335 VCCCMN1HH180J J AA 18 pF (CH),50V C701,702 VCCCMN1HH220J J AA 22 pF (CH),50V AA 0.022 µF,25V C336 VCKYMN1HB471K J AA 470 pF,50V C703,704 VCTYMN1EF223Z AA 0.022 µF,25V AA 0.01 µF,16V...
  • Page 46 XL-505H,505E,507E/CP-505,505E,507 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R107,108 VRD-MN2BD103J AA 10 kohm,1/8W R479,480 VRD-MN2BD104J AA 100 kohm,1/8W R109,110 VRD-MN2BD392J AA 3.9 kohms,1/8W R601,602 VRD-MN2BD103J AA 10 kohm,1/8W R111 VRD-ST2EE222J AA 2.2 kohms,1/4W R603,604 VRD-MN2BD102J AA 1 kohm,1/8W...
  • Page 47 XL-505H,505E,507E/CP-505,505E,507 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R841 VRD-MN2BD102J AA 1 kohm,1/8W TP801 92LCONE-3P5267 AB Plug,3Pin [Test Point] R842 VRD-MN2BD103J AA 10 kohm,1/8W CASSETTE MECHANISM PARTS R843 VRD-MN2BD473J AA 47 kohms,1/8W R844 VRD-MN2BD224J AA 220 kohms,1/8W...
  • Page 48 XL-505H,505E,507E/CP-505,505E,507 PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK 92LCAB2539AS1 AU Front Panel Ass’y [507E] [505E For UK/507E] QACCE0007AW00 J AR AC Power Supply Cord 201- 1 ———— — Front Panel [505H/505E For Europe] (Not Replacement Item) 92LCARD1751A...
  • Page 49 XL-505H,505E,507E/CP-505,505E,507 XL-505H/505E/507E 306-2 306-1 306-3 M802 M801 305x2 SW801 PWB-B Figure 6 CD MECHANISM EXPLODED VIEW – 6 – – 49 –...
  • Page 50 XL-505H,505E,507E/CP-505,505E,507 XL-505H/505E/507E 504X3 504X2 SOL901 SW902 SW901 PWB-C 505X2 BELT CONNECTION M901 503X2 M901 Figure 7 TAPE MECHANISM EXPLODED VIEW – 7 – – 50 –...
  • Page 51 XL-505H,505E,507E/CP-505,505E,507 XL-505H/505E/507E 607x2 223-3 607x2 223-1 610x3 223-2 MECHANISM PWB-A7 Silicon Grease 602x6 607x2 PWB-A1 230x6 PWB-A3 201-4 201-1 PWB-A2 TAPE PWB-A4 MECHANISM PWB-A5 201-2 LCD701 602x4 PWB-A6 607x2 201-3 603x3 605x2 207-1 607x2 207-2 XL-505H/E Figure 8 CABINET EXPLODED VIEW –...
  • Page 52 XL-505H,505E,507E/CP-505,505E,507 CP-505/505E/507 SP1,2 704x4 SP1,2 Woofer Black Figure 9 SPEAKER EXPLODED VIEW – 52 – – 9 –...

  • Page 53: Packing Of Method (Xl-505E For Uk/Xl-507E Only)

    XL-505H,505E,507E/CP-505,505E,507 PACKING OF METHOD (XL-505E FOR UK/507E ONLY) Setting position of switches and knobs Tape Mechanism STOP CP-505E/507 XL-505E/507E 1. FM/AM Loop Antenna QANTL0004AWZZ 1. Packing Add., Speaker SPAKA0143AWZZ 2. Packing Add. SPAKA0144AWZZ 2. Polyethylene Bag, Speaker 92L411-0019 3. Packing Case [505E For UK] SPAKC0558AWZZ 3.
  • Page 54 XL-505H,505E,507E/CP-505,505E,507 — M E M O — – 54 – – 11 –...
  • Page 55 XL-505H,505E,507E/CP-505,505E,507 — M E M O — – 55 –...
  • Page 56 XL-505H,505E,507E/CP-505,505E,507 A9707-4778NS•HA•M Printed in U.K Writer and Editor: Quality & Reliability Control Center of Audio-Visual Systems Group, Sharp Corp. SG • SK – 56 –...

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