Sharp CD-XP500H Service Manual
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Sharp CD-XP500H Service Manual

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SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
DISASSEMBLY .................................................................................................................................................................. 5
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 8
ADJUSTMENT ................................................................................................................................................................... 9
BLOCK DIAGRAM ........................................................................................................................................................... 13
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 16
VOLTAGE ........................................................................................................................................................................ 33
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 34
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 34
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 35
TROUBLESHOOTING ..................................................................................................................................................... 36
FUNCTION TABLE OF IC ................................................................................................................................................ 40
FL DISPLAY ..................................................................................................................................................................... 46
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
MODEL
CD-XP500H Mini Component System consisting of CD-XP500H
(main unit) and CP-XP500H (speaker system).
CONTENTS
SHARP CORPORATION
MINI COMPONENT SYSTEM
CD-XP500H
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-XP500H
No. S4226CDXP500H
Page

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  • Page 1: Table Of Contents

    MINI COMPONENT SYSTEM CD-XP500H MODEL CD-XP500H Mini Component System consisting of CD-XP500H (main unit) and CP-XP500H (speaker system). • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.

  • Page 2: Safety Precaution For Service Manual

    CD-XP500H SAFETY PRECAUTION FOR Laser Diode Properties Material: GaAIAs SERVICE MANUAL Wavelength: 780 nm Emission Duration: continuous Laser Output: max. 0.6 mW 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 1 Requirements.

  • Page 3: Names Of Parts

    CD-XP500H NAMES OF PARTS CD-XP500H Front panel 1. Disc Tray 2. Timer Set Indicator 3. On/Stand-by Button 4. Tuner (Band) Button 5. CD Button 6. Headphone Socket 7. Tape (1 2) Button 8. Video/Auxiliary Button 9. RDS Programme Type/Traffic Information Search Button 10.
  • Page 4 CD-XP500H CD-XP500H Remote control 1. Remote Control Transmitter 2. Disc Number Select Buttons 3. CD Pause Button 4. CD Memory Button 5. CD Track Down or Fast Reverse Button 6. CD Clear Button 7. Tape 1 Play Button 8. Tape 1/Tape 2 Stop Button 9.

  • Page 5: Disassembly

    CD-XP500H DISASSEMBLY CD-XP500H Caution on Disassembly Follow the below-mentioned notes when disassembling Top Cabinet the unit and reassembling it, to keep it safe and ensure Front (A1)x2 Panel excellent performance: ø3x12mm 1. Take cassette tape and compact disc out of the unit.
  • Page 6 CD-XP500H (E2)x2 (L1)x3 Loading Tray (E3)x1 (E1)x1 ø3x6mm (E2)x1 (F3)x1 Front Panel Power PWB (E4)x1 (F2)x1 Transformer Headphones (L1)x3 Main PWB (F2)x1 Figure 6-4 (F1)x2 ø3x10mm Figure 6-1 (M1)x2 ø3x10mm Loading (G3)x1 Tray CD Servo Front Panel (M3)x2 (G1)x1 Display PWB...
  • Page 7 CD-XP500H CP-XP500H REMOVAL PROCEDURE FIGURE STEP Woofer 1. Front Panel ..... (A1) x1 Woofer 2. Screw ...... (A2) x8 Tweeter 1. Screw ...... (B1) x2 (A1)x1 Tweeter (A2)x4 ø4x12mm (B1)x2 ø3x10mm Screwdriver Woofer Speaker Box Driver should Speaker Box Ass'y...

  • Page 8: Removing And Reinstalling The Main Parts

    CD-XP500H REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION TAPE 2 Clutch Ass'y Perform steps 1 to 6 and 8 of the disassembly method to remove the tape mechanism. Record/Playback Head How to remove the record/playback and erase heads (TAPE 2) (See Fig. 8-1) 1.

  • Page 9: Adjustment

    CD-XP500H CD MECHANISM SECTION Loading Loading Perform steps 1, 2, 3, 10, 11, 12 and 13 of the disassembly Motor PWB Motor method to remove the CD mechanism. Loading Tray How to remove the loading motor (See Fig. 9-1) (A1)x5 1.
  • Page 10 CD-XP500H TUNER SECTION CD SECTION fL: Low-range frequency • Adjustment fH: High-range frequency Since this CD system incorporates the following automatic • AM IF/RF adjustment functions, readjustment is not needed when replacing the pickup. Therefore, different PWBs and pickups Signal generator: 400 Hz, 30%, AM modulated can be combined freely.
  • Page 11 CD-XP500H TEST MODE • Setting the test mode Any one of test mode can be set by pressing several keys as follows. <X-BASS> + <CD> + <POWER> TEST: CD operation test. Function: -CD test mode. -Enter test mode. T E S T IL isn't done OPEN/CLOSE operation is using manual.
  • Page 12 CD-XP500H Standard Specification of Stereo System Error Message Display Contents Error Contents DISPLAY Notes TAPE Mechanism Error. 'ER-TA**' 00: Tape Mechanism Error. 01: Initial Error. Pickup Mechanism Error. 'ER-CD**' 01: PU-IN SW Detection NG. CD Changer Mechanism Error. 'ER-CD**' 10: Changer Error.

  • Page 13: Block Diagram

    CD-XP500H DISC CLAMP NUMBER OPEN/ CLOSE T/T UP DOWN LOADING TO MAIN SECTION TO DISPLAY SECTION MOTOR – 9 10 CNP8 CNP7 LC78645NE CD SERVO XOUT 17 25 CONT5 SLDO SPDO VCC4 M63001FP VCC1 FOCUS/TRACKING/ VCC2 SPIN/SLED +3.3V DRIVER VCC3 +3.3V...
  • Page 14 CD-XP500H IC303 LA1832S FM IF DET. ZD351 FE301 5.1V FM IF FM MPX./AM IF FM FRONT END AMP. 10.7 MHz SO301 CF301 CF302 Q301 FM ANTENNA X351 TERMINAL 450 kHz CF351 456 kHz T351 CF352 AM IF 12 20 AM LOOP...
  • Page 15 CD-XP500H FL701 FL DISPLAY TO CD SECTION TAPE MECHANISM Q705 ASS'Y +B10 RX701 55 40 54 59 52 51 25 13 REMOTE SENSOR +B10 +B10 IC701 VLOAD AVDD IX0524AW SYSTEM SW701-SW705 SW711-SW720 MICROCOMPUTER SW723-SW729 (1/2) 1 2 4 5 6 7 8...

  • Page 16: Schematic Diagram / Wiring Side Of P.w.board

    CD-XP500H FM SIGNAL CNS601 R601 R-CH A_GND PLAYBACK SIGNAL R602 L-CH CD_GND RECORD SIGNAL C651 CD_+B 220P A-5V IC601 CD SIGNAL C601 D_GND LC75341 220/16 LD+7V VIDEO SIGNAL AUDIO PROCESSOR LD+7V R605 C609 1/50 A-5V C603 R613 VREF 22/50 INTERFACE –...
  • Page 17 CD-XP500H MAIN PWB-A1(1/3) JK690 VIDEO/AUX R693 C601 C602 5341 L-CH 220/16 0.022 R691 C691 R603 ROCESSOR 390P VIDEO/AUX R692 C690 R690 390P R-CH C603 22/50 C610 VREF – + 1/50 R604 ROUT C608 C606 CHASSIS 0.22 0.22 RBASS R606 2.7K...
  • Page 18 CD-XP500H C302 0.001 L354 CHASSIS LOW PASS FILTER TP302 C342 R365 0.022 R358 3.9K R350 2.7K X351 C367 456 kHz AM TRACKING 1/50 T303 C331 0.047 C330 C323 C338 0.022 (UJ) 0.001 C332 0.022 AM ANTENNA C358 10 11 AM BAND...
  • Page 19 CD-XP500H MAIN PWB-A1 (2/3) FILTER R370 TP302 C373 0.027 C371 1/50 RDS PWB-A4 C372 X351 1/50 456 kHz RT32 6.8K CT23 CT29 CT25 22P(CH) RT24 0.022 RT31 XT21 4.332 MHz (CH) RT26 ICT21 C358 10 11 1/50 LC72723 R353 QT21...
  • Page 20 CD-XP500H IC901 STK41223 – POWER AMP. L902 C907 0.29 µH 100P R903 Q903 KTC3199 GR ZD903 R917 ZD902 DZ12BSB DZ12BSB 0.1(3W) R934 C917 0.022(ML) C916 R905 100/50 R919 R926 R925 R910 1.8K D906 1.5K 1.5K DS1SS133 (1/2W) (1/2W) Q902 C927 KTC3199 GR 0.22...
  • Page 21 CD-XP500H MAIN PWB-A1(3/3) FM SIGNAL L902 0.29 µH R942 470(2W) C930 R943 47/50 – R944 470(2W) 1.5K R934 D912 L1_OUT R949 DS1SS133 FAN MOTOR R1_OUT R947 C931 R950 RL914 10/50 C927 0.22 FW901 M_+13.5V C929 SP_RLY P23 11 - B D911 0.22...
  • Page 22 CD-XP500H DISPLAY PWB-B1 FL701 LED A PWB-B3 FL DISPLAY LED DRIVER Q710 +10V R794 R749 KRC102 M 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13...
  • Page 23 CD-XP500H HEADPHONES PWB-B2 M_+13V SP_RLY R-CH PLAY L702 C718 C719 L-CH 2.2 µH 100P 100P 9 8 7 6 5 4 3 2 1 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 R795...
  • Page 24 CD-XP500H CD SERVO PWB-C CD SIGNAL 100P(CH 0.022 100P(CH PICKUP UNIT 100P(CH 56P(CH) 100P(CH PICKUP HPC1LX 0.022 VREF VREF 8.2K 1.2K 8.2K 0.047 80 79 78 77 76 75 74 73 72 71 70 69 8.2K EFMIN 0.001 RFVDD 0.0027...
  • Page 25 CD-XP500H 100P(CH) 0.022 100P(CH) 100P(CH) 56P(CH) 100P(CH) 0.022 CD RES CLAMP SW 2.2K DISC NO 2.2K 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 LRCK ASDFIN ASDACK DATA SLCO ASLRCK...
  • Page 26 CD-XP500H MAIN PWB-A1 C302 D304 R374 C348 R372 X352 R349 R373 IC302 C382 R359 1 2 3 4 5 6 7 8 9 10 11 C395 CF301 R376 1 2 3 R379 C387 R360 7 6 5 4 3 2 1...
  • Page 27 CD-XP500H P29 12 - D TO DISPLAY PWB CNP701A FFC701 P31 10 - F FROM R136 TAPE 1 PLAYBACK HEAD R138 R122 R158 R134 C120 C130 C134 B C E C127 C132 R132 Q108 C133 C128 R135 C131 R130 1 2 3 4 5 6 7...
  • Page 28 CD-XP500H LED A PWB-B3 DISPLAY PWB-B1 RX701 C716 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 FL701 LED704 R783 R792 R793 R763 B C E BI703 Q705 R702 C703 D714 SW729 D713 PTY.TI...
  • Page 29 CD-XP500H LED B PWB-B4 LED703 RD01 R788 LED701 SW701 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 FL701 POWER R798 R792 R800 BI704 R745 R744 R743 CNS704 R742 C706 IC701 CNP701A Q710 R731...
  • Page 30 CD-XP500H P28 1 - D P27 12 - E FROM DISPLAY PWB FROM MAIN PWB CNS8 CNS601 CD SERVO PWB-C CNP7 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 CNP8...
  • Page 31 CD-XP500H P28 3 - H TAPE MECHANISM TO DISPLAY PWB ASSEMBLY CNP702 FFC702 TAPE MECHANISM PWB-F SOLENOID SOLENOID TAPE MOTOR TAPE 2 TAPE 1 RECORD/PLAYBACK PLAYBACK HEAD ERASE HEAD HEAD CD LOADING MOTOR PWB-E OPEN/CLOSE T/T UP/DOWN LOADING MOTOR 7 6 5 4 3 2 1...
  • Page 32 CD-XP500H P28 1 - F P27 12 - G FROM DISPLAY PWB FROM MAIN PWB CNS705 CNS801 R841 4 3 2 1 R842 CNP802 C862 C861 10 9 8 7 6 5 4 3 2 1 R858 C860 C841 C811...

  • Page 33: Voltage

    CD-XP500H VOLTAGE IC302 IC601 IC901 IC101 IC701 VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE 2.6 V 4.85 V 4.93 V 1.6 V 3.7 V 1.7 V 58.2 V 4.78 V 4.93 V 1.0 V 3.7 V 1.7 V 25.9 V...

  • Page 34: Notes On Schematic Diagram

    CD-XP500H NOTES ON SCHEMATIC DIAGRAM • Resistor: • The indicated voltage in each section is the one measured To differentiate the units of resistors, such symbol as K and by Digital Multimeter between such a section and the chas- M are used: the symbol K means 1000 ohm and the symbol sis with no signal given.

  • Page 35: Waveforms Of Cd Circuit

    CD-XP500H WAVEFORMS OF CD CIRCUIT Stopped Stopped 1999/04/07 09:51:15 CH1=500 mV CH3=500 mV CH1=200 mV CH2=500 mV 500 ms/div 500 ms/div DC 10:1 DC 10:1 (500 ms/div) DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s NORM:20 kS/s IC1 21 IC1 21...

  • Page 36: Troubleshooting

    CD-XP500H TROUBLESHOOTING 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 37 CD-XP500H Stopped (1) Focus-HF system check. CH1=500 mV CH3=500 mV 500 ms/div DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s Although a CD is inserted and the cover is closed, "NO DISC" is displayed. Press the OPEN/CLOSE switch (SW1) without inserting a disc, and try starting the playback operation.
  • Page 38 CD-XP500H (2) Tracking system check. Check the TE waveform at pin 15 on IC1. The tracking servo is not activated. If the waveform shown in Figure 38-1 appears and soon after Check the peripheral circuits at pins 14, 15 and 20 on IC1, and NO DISC appears ? CNS1A/B.
  • Page 39 CD-XP500H (4) PLL system check. Stopped 1999/04/05 17:33:17 CH1=500 mV CH3=1 V CH4=1 V 500 ms/div DC 10:1 DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s When a disc is loaded, start play operation. PDO1 The HF waveform is normal, but the TOC data cannot be PDO2 read.

  • Page 40: Function Table Of Ic

    CD-XP500H FUNCTION TABLE OF IC IC1 VHiLC78645NE1: CD Servo (LC78645NE) (1/2) Terminal Name Input/Output Setting in Reset Pin No. Function SLCO Output — Control output. For slice level SLCIST Input — Resistor connection terminal for SLCO output current setting. control.
  • Page 41 CD-XP500H IC1 VHiLC78645NE1: CD Servo (LC78645NE) (2/2) Terminal Name Input/Output Setting in Reset Function Pin No. RVSS — — GND for Right channel. Must be connected to 0 V. Right channel RCHO Output LVDD /2 Right channel output. D/A converter...
  • Page 42 CD-XP500H IC1 VHiLC78645NE1: CD Servo (LC78645NE) 75 74 72 71 69 68 66 65 63 62 SLCO DATA SLCIST EFMIN LRCK ASDFIN RFVDD ASDACK RFVSS ASLRCK FIN1 16MOUT FIN2 EFLG TIN1 TIN2 XVSS LC78645NE VREF FSX/16MIN REF1 XOUT XVDD RVDD...
  • Page 43 CD-XP500H IC601 VHiLC75341/-1: Audio Processor (LC75341) ROUT LOUT LBASS RBASS LTRE RTRE LSEL0 RSEL0 R1 R2 24 23 22 21 20 19 18 17 16 15 14 13 LC75341 10 11 12 Figure 43 BLOCK DIAGRAM OF IC – 43 –...
  • Page 44 CD-XP500H IC701 RH-iX0524AWZZ: System Microcomputer (IX0524AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function Input (+) Power supply. -20dBATT Output -20dB Attenuator. NO USE Output Open T-BIAS Output Tape record bias. T_T1/T2 Output Tape T1/T2 change. T-REC/PLAY Output Tape REC/PLAY change.
  • Page 45 CD-XP500H IC701 RH-iX0524AWZZ: System Microcomputer (IX0524AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function P120 O/C SW Input CD OPEN/CLOSE SW. P117 MIC SW Input Mic switch input. P116 KARA_LATCH Output Karaoke latch. (When not used. Connect to 0 V.)

  • Page 46: Fl Display

    CD-XP500H FL DISPLAY FL701 VVKNA09SS29-1 GRID ASSIGNMENT X-BASS REC ST SLEEP TP TI PTYIPTY MHz TA MEMORY h j k (1G~8G) ANODE CONNECTION X-BASS PTYI MEMORY PRO LOGIC SLEEP – 46 –...
  • Page 47 CD-XP500H PARTS GUIDE MINI COMPONENT SYSTEM CD-XP500H MODEL CD-XP500H Mini Component System consisting of CD-XP500H (main unit) and CP-XP500H (speaker system). “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information.
  • Page 48 CD-XP500H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK CF351 RFILF0003AWZZ AK FM IF CD-XP500H CF352 RFILA0009AWZZ AE AM IF INTEGRATED CIRCUITS TRANSFORMERS VHILC78645NE1 AY CD Servo,LC78645NE 1 PT801 RTRNP0405AWZZ J Power VHIM63001FP-1 AX Focus/Tracking/Spin/Sled Driver, 1 PT841...
  • Page 49 CD-XP500H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK C101,102 VCKYMN1HB561K J AA 560 pF,50V C625,626 VCKYMN1HB561K J AA 560 pF,50V AA 0.001 µF,50V C103 VCKYBT1HB181K AA 180 pF,50V C635~638 VCKYMN1HB102K J AB 1 µF,50V,Electrolytic C104 VCKYMN1HB181K J...
  • Page 50 CD-XP500H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK R1,2 VRS-CY1JB822J AA 8.2 kohms,1/16W R376 VRD-MN2BD102J AA 1 kohm,1/8W VRS-CY1JB223J AA 22 kohms,1/16W R377 VRD-MN2BD473J AA 47 kohms,1/8W R4,5 VRS-CY1JB822J AA 8.2 kohms,1/16W R378 VRD-MN2BD102J AA 1 kohm,1/8W...
  • Page 51 CD-XP500H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK R801 VRD-ST2CD224J AA 220 kohms,1/6W BI704/CNS704 QCNWN2174AWZZ J AD Connector Ass’y,2/2Pin R802 VRD-ST2CD473J AA 47 kohms,1/6W BI705/CNS705 QCNWN2253AWZZ J AF Connector Ass’y,6/6Pin R803 VRD-ST2CD123J AA 12 kohms,1/6W BI801/CNS801 QCNWN2255AWZZ J AH Connector Ass’y,10/10Pin...
  • Page 52 CD-XP500H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK CD MECHANISM PARTS LHLDM1018AWZZ J AE Stabilizer LHLDZ1357AWZZ AH Holder,CD Mechanism LHLDZ1358AWZZ AF Holder,Stabilizer NGERH0011AWZZ J AC Gear,Middle LHLDZ1359AWZZ AD Holder,Gear NGERH0012AWZZ J AC Gear,Drive LHLDZ1410AWZZ AD Holder,FL Display...
  • Page 53 CD-XP500H PRICE DESCRIPTION PART CODE RANK TLABE0659AWZZ Label,Bar Code TLABZ0604AWZZ AB Label,Energy TLABZ0605AWZZ AB Label,Saving Energy TLABZ1034AWZZ AC Label,Feature [Tape 2] TLABZ1122AWZZ Label,Feature [Tape 1] 92LFANT1535A AF FM Antenna RRMCG0264AWSA J AQ Remote Control GFTAB1022AWSB J AK Battery Lid,Remote Control P.W.B.
  • Page 54 CD-XP500H CD-XP500H 306-2 306-1 306-3 703x2 305x2 PWB-D Figure 7 CD MECHANISM EXPLODED VIEW – 7 –...
  • Page 55 CD-XP500H CD-XP500H PWB-A4 BELT CONNECTION 202-1 PWB-A1 FF/REW Tape FF/REW ROLLER Motor ROLLER 615x3 623x2 ASS'Y ASS'Y 604x2 IC851 IC852 FLYWHEEL FLYWHEEL ASS'Y ASS'Y MAIN BELT IC853 TAPE2 TAPE1 Silicon Grease 614x11 614x2 614x3 202-2 610x5 230 611x2 Silicon Grease...
  • Page 56 CD-XP500H CD-XP500H 609x2 MECHANISM 609x2 PWB-E 619x2 PWB-C Figure 9 CABINET EXPLODED VIEW (2/2) – 9 –...
  • Page 57 CD-XP500H CP-XP500H C1, 2 Capacitor SP5, 6 C1, 2 2.7µF, 100V(N.P.) TWEETER Capacitor 2.7µF, 100V SP5, 6 Electrolytic (N.P.) TWEETER SP1, 2 WOOFER SP1, 2 WOOFER SP1, 2 SP3, 4 WOOFER 901, 902 911x4 SP5, 6 SP3, 4 910x2 WOOFER...
  • Page 58 CD-XP500H — M E M O — – 11 –...
  • Page 59 CD-XP500H — M E M O — – 12 –...
  • Page 60 CD-XP500H © COPYRIGHT 2002 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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