Sharp CD-E700H Service Manual
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Sharp CD-E700H Service Manual

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SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
DISASSEMBLY .................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9
ADJUSTMENT ................................................................................................................................................................. 10
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 14
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 14
BLOCK DIAGRAM ........................................................................................................................................................... 15
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 18
VOLTAGE ........................................................................................................................................................................ 35
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 36
TROUBLESHOOTING ..................................................................................................................................................... 37
FUNCTION TABLE OF IC ................................................................................................................................................ 41
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
MODEL
CD-E700H Mini Component System consisting of CD-E700H
(main unit) and CP-E700H (speaker system).
CONTENTS
SHARP CORPORATION
MINI COMPONENT SYSTEM
CD-E700H
• 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-E700H
No. S2313CDE700H/
Page

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  • Page 1: Table Of Contents

    MINI COMPONENT SYSTEM CD-E700H MODEL CD-E700H Mini Component System consisting of CD-E700H (main unit) and CP-E700H (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-E700H 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 1 Requirements. However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.

  • Page 3: Specifications

    CD-E700H FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-E700H Tuner General Frequency range FM: 87.5 - 108 MHz Power source AC 230 V, 50 Hz AM: 522 - 1,620 kHz...

  • Page 4: Names Of Parts

    CD-E700H NAMES OF PARTS CD-E700H Front panel 1. Disc Tray 2. Timer Set Indicator 3. RDS Display Mode Select Button 4. RDS ASPM (Auto Station Programme Memory) Button 5. RDS Programme Type/ Traffic Information Search Button 6. Memory/Set Button 7. On/Stand-by Button 8.
  • Page 5 CD-E700H CD-E700H Remote control 1. Remote Control Transmitter 2. Disc Number Select Buttons 3. Programme Clear Button 4. CD Memory Button 5. CD Track Down or Fast Reverse, Tape 2 Rewind Button 6. CD Pause Button 7. CD or Tape Stop Button 8.

  • Page 6: Disassembly

    CD-E700H DISASSEMBLY CD-E700H Caution on Disassembly Follow the below-mentioned notes when disassembling Top Cabinet the unit and reassembling it, to keep it safe and ensure Front excellent performance: (A1)x2 Panel ø3x12mm 1. Take cassette tape and compact disc out of the unit.
  • Page 7 CD-E700H (E2)x2 (L1)x3 Loading Tray (E3)x1 (E1)x2 ø3x6mm (F3)x1 Front (E2)x1 Panel (F2)x1 (E4)x1 Power PWB Transformer Headphones (L1)x3 Main PWB (F2)x1 Figure 7-4 (F1)x1 ø3x10mm (M1)x2 Figure 7-1 ø3x10mm (G3)x1 Loading Tray Front Panel CD Servo (G1)x1 Display PWB...
  • Page 8 CD-E700H CP-E700H REMOVAL PROCEDURE FIGURE STEP Passive Radiator 1. Screw ...... (A1) x4 Super Tweeter 2. Side Panel ....(A2) x1 3. Screw ...... (A3) x4 Speaker Box Woofer 1. Front Panel ..... (B1) x1 (D1)x2 2. Screw ...... (B2) x4 ø3x12mm...

  • Page 9: Removing And Reinstalling The Main Parts

    CD-E700H REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION TAPE 2 Perform steps 1 to 6 and 8 of the disassembly method to Clutch Ass'y remove the tape mechanism. Record/Playback Head How to remove the record/playback and erase heads (TAPE 2) (See Fig. 9-1) Erase Head 1.

  • Page 10: Adjustment

    CD-E700H 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. 10-1) (A1)x5 1.
  • Page 11 CD-E700H TUNER SECTION CD SECTION fL: Low-range frequency • Adjustment fH: High-range frequency Since this CD system incorporates the following automatic adjustment functions, readjustment is not needed when • • • • • AM IF/RF replacing the pickup. Therefore, different PWBs and pickups Signal generator: 400 Hz, 30%, AM modulated can be combined freely.
  • Page 12 CD-E700H 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 13 CD-E700H Standard Specification of Stereo System Error Message Display Contents Error Contents DISPLAY Notes Pickup Mechanism Error. 'ER-CD**' 01: PU-IN SW Detection NG. CD Changer Mechanism Error. 'ER-CD**' 10: Changer Error. 11: Initial Error. CD DSP Communication Error 'ER-CD**' 31: DSP COMMUNICATION ERROR Focus Not Match.

  • Page 14: Notes On Schematic Diagram

    CD-E700H 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 15: Block Diagram

    CD-E700H TO DISPLAY SECTION TO MAIN SECTION VWRQ VRES LC78646E CD SERVO XOUT CONT 5 SLDO SPDO 28 27 VCC2 +3.3V LA6574H FOCUS/TRACKING/ SPIN/SLED DRIVER CONSTANT VOLTAGE 9 10 11 SPINDLE MOTOR PICKUP SLED MOTOR Figure 15 BLOCK DIAGRAM (1/3)
  • Page 16 CD-E700H IC303 IC301 LA1832S TA7358AP FM IF DET./ FM FRONT END FM MPX./AM IF SO301 FM ANTENNA FM IF 10.7 MHz TERMINAL T302 CF303 CF351 X351 450 kHz 456 kHz T351 CF352 AM IF FM L312 AM MIX AM IF...
  • Page 17 CD-E700H FL701 FL DISPLAY 14 19 Q705 RX701 48 47 REMOTE SENSOR IC701 IX0553AW SYSTEM VLOAD MICROCOMPUTER AVDD (1/2) SW701-SW718 SW721-SW724 +B PROTECT 1 2 4 5 11 12 15 16 1 7 20 21 22 23 24 TO CD...

  • Page 18: Schematic Diagram / Wiring Side Of P.w.board

    CD-E700H CNS601 BI601 R-CH FM SIGNAL R601 A_GND PLAYBACK SIGNAL L-CH R602 CD_GND RECORD SIGNAL CD_+B CD SIGNAL IC601 D_GND C653 C601 LC75341 220P 220/16 LD+7V VIDEO SIGNAL AUDIO PROCESSOR LD+7V C609 R605 CNP5 Q603, Q604: SYSTEM MUTE 1/50 A_5V...
  • Page 19 CD-E700H MAIN PWB-A1(1/3) R693 C602 C653 C601 0.022 220P 220/16 L-CH R691 C691 6.8K 390P JK690 VIDEO/AUX IN R690 C690 6.8K 390P R603 R-CH R692 C603 22/50 VREF C608 C610 0.15 1/50 ROUT R606 R604 3.9K CHASSIS RBASS C606 0.12...
  • Page 20 CD-E700H C302 0.001 AM TRACKING C331 0.047 C323 0.022 C332 C338 0.001 T303 TP302 D301 0.022 AM ANTENNA DS1SS133 D302 AM LOOP DS1SS133 VD301 T306 ANTENNA C335 SVC348S 560P AM OSC. (SL) L354 R358 LOW PASS FILTER 3.9K R350 2.7K...
  • Page 21 CD-E700H MAIN PWB-A1 (2/3) TP302 C371 1/50 L354 PASS FILTER C372 1/50 ICT21 LC72723 RT32 RDS DECORDER 6.8K CT29 RT24 RT31 XT21 0.022 4.332 MHz RT26 RT25 10 11 ICT21 LC72723 QT21 R355 KTC3199 GR XOUT 3.3K CT30 VSSd C356 TEST 0.001...
  • Page 22 CD-E700H IC901 FM SIGNAL – STK41242 – POWER AMP. C907 100P R903 L902 3µH Q903 KTC3199 GR R917 ZD903 ZD902 (3W) 12BSB 12BSB C917 0.01 (ML) R926 R925 R919 1.5K 1.5K R910 1.8K D906 (1/2W) (1/2W) DS1SS133 Q902 KTC3199 GR C927 0.22...
  • Page 23 CD-E700H M901 MOTOR DRIVER – D912 R949 MOTOR R942 DS1SS133 CNS971 (2W) R943 (2W) C931 R950 R945 10/50 L902 1.5K 3µH R944 HEADPHONES 1.5K PWB-A3 RL914 FW901 CNP705 M_+13.5V SP_RLY C718 C719 100P 100P R-CH 0.2V D911 DS1SS133 L702 2.2µH...
  • Page 24 CD-E700H LED A PWB-A4 FL701 FL DISPLAY LED DRIVER BI703 Q710 +10V KRC102 M R751 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...
  • Page 25 CD-E700H DISPLAY PWB-A2 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 R795 C701 1/50 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 R763 –20dBATT...
  • Page 26 CD-E700H CD SERVO PWB-C CD SIGNAL PICKUP UNIT HPC1LX VREF VREF 1.2K 8.2K 8.2K 0.047(ML) 80 79 78 77 76 75 74 47/25 8.2K SLCO CNP1 SLCIST EFMIN 0.001 RFVDD 0.022 0.0027 RSVSS 47/25 FIN1 A FIN2 B 22P(CH) TIN1 E...
  • Page 27 CD-E700H CD RES 100P 100P 100P 100P FROM DISPLAY PWB 0.022 P25 12-D CNS701 4.7K CLAMP SW O/C, 2.2K 1.2K 2.2K DISC NO CNP6 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 SLCO...
  • Page 28 CD-E700H MAIN PWB-A1 XT21 R374 C348 R378 R373 Q301 RT24 R388 R372 QT21 R359 1 2 3 4 5 6 7 8 9 10 11 CF301 IC302 C387 R376 R348 R360 C395 R379 RT27 C392 R377 RT28 C380 C394 L351...
  • Page 29 CD-E700H TO DISPLAY PWB P31 12-D CNP701A FROM TAPE1 PLAYBACK HEAD FFC701 TO CD SERVO PWB P33 10-F P32 4-A CNP5 COLOR TABLE R136 BROWN CNS601 1 2 3 4 5 6 7 8 R138 R134 R122 XT21 RD(R) R158...
  • Page 30 CD-E700H DISPLAY PWB-A2 RX701 LED B PWB-A5 SW722 EQUALIZER SW721 X-BASS/DEMO RD19 RD20 CNS704 R763 FL701 R702 C701 CNP704 XL701 R705 R708 C702 CNS701 C704 C721 C705 R709 SW712 R710 TUNER RD10 R769 JOG701 JOG VOLUME R756 R717 R780 Q709...
  • Page 31 CD-E700H LED A PWB-A4 SW708 R745 SW709 SEARCH R744 ASPM R743 R742 SW710 DISPLAY BI703 MODE RD08 RD09 CNS703 CNP703 IC701 R746 R751 R747 R735 R770 Q710 SW701 R749 R772 25 35 R734 3 2 1 R758 STAND-BY R731 R764...
  • Page 32 CD-E700H FROM DISPLAY PWB FROM MAIN PWB P30 1-D P29 8-A CNS701 CNS601 CD SERVO PWB-C 12 11 CNP5 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 CNP6 10 20...
  • Page 33 CD-E700H P30 3-F TAPE MECHANISM TO DISPLAY PWB ASSEMBLY CNP702 TAPE MECHANISM PWB-F FFC702 SOLENOID SOLENOID TAPE MOTOR TAPE 2 TAPE 1 RECORD/PLAYBACK ERASE HEAD PLAYBACK HEAD HEAD CD LOADING MOTOR PWB-E OPEN/CLOSE T/T UP/DOWN LOADING MOTOR 7 6 5 4 3 2 1...
  • Page 34 CD-E700H POWER PWB-B1 FROM DISPLAY PWB FROM MAIN PWB P30 1-D P29 12-G CNS801 FW701 R841 IC854 D853 CNP802 D856 R844 CNP801 C842 C805 C811 C806 C841 C810 C807 R858 D803 C803 ZD802 ZD803 C801 D805 R808 D802 D845 Q801...

  • Page 35: Voltage

    CD-E700H VOLTAGE IC101 IC601 IC701 PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE 7.76 V 1.6 V 4.85 V 4.93 V 1.0 V 4.78 V 4.93 V 0.56 V 1.6 V N.C.

  • Page 36: Waveforms Of Cd Circuit

    CD-E700H WAVEFORMS OF CD CIRCUIT Stopped Stopped 1999/04/07 09:51:15 CH1=500 mV CH3=500 mV 500 ms/div CH1=200 mV CH2=500 mV 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 37: Troubleshooting

    CD-E700H 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 38 CD-E700H 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 39 CD-E700H (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 39-1 appears and soon after Check the peripheral circuits at pins 14, 15 and 20 on IC1, and NO DISC appears ? CNS1A/B.
  • Page 40 CD-E700H (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 41: Function Table Of Ic

    CD-E700H FUNCTION TABLE OF IC IC1 VHiLC78646E-1: CD Servo (LC78646E) (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 42 CD-E700H IC1 VHiLC78646E-1: CD Servo (LC78646E) (2/2) Terminal Name Input/Output Setting in Reset Pin No. Function RVSS — — GND for Right channel. Must be connected to 0 V. Right channel RCHO Output LVDD /2 Right channel output. D/A converter...
  • Page 43 CD-E700H IC1 VHiLC78646E-1: CD Servo (LC78646E) 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 LC78646E VREF FSX/16MIN REF1 XOUT XVDD RVDD...
  • Page 44 CD-E700H 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 44 BLOCK DIAGRAM OF IC – 44 –...
  • Page 45 CD-E700H IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (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/PLY Output Tape REC/PLAY change.
  • Page 46 CD-E700H IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (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 47 CD-E700H 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 – 47 –...
  • Page 48 CD-E700H –– MEMO –– – 48 –...
  • Page 49 CD-E700H PARTS GUIDE MINI COMPONENT SYSTEM CD-E700H MODEL CD-E700H Mini Component System consisting of CD-E700H (main unit) and CP-E700H (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 50 CD-E700H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK CF351 RFILF0003AWZZ AK FM IF CD-E700H CF352 RFILA0009AWZZ AE AM IF INTEGRATED CIRCUITS TRANSFORMERS VHILC78646E-1 AY CD Servo,LC78646E 1 PT801 RTRNP0468AWZZ J BE Power,Main VHILA6574H+-1 AN Focus/Tracking/Spin/Sled Driver, 1 PT841...
  • Page 51 CD-E700H PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK AB 47 µF,25V,Electrolytic C111,112 VCEAZA1EW476M J C690,691 VCKYMN1HB391K J AA 390 pF,50V AA 0.033 µF,25V AB 1 µF,50V,Electrolytic C113,114 VCTYPA1EX333K C701 VCEAZA1HW105M J AC 220 µF,10V,Electrolytic C115,116 VCKYMN1HB561K J...
  • Page 52 CD-E700H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK VRD-MN2BD103J AA 10 kohm,1/8W R393 VRD-MN2BD102J AA 1 kohm,1/8W VRD-ST2EE1R0J AA 1 ohm,1/4W R395 VRD-MN2BD473J AA 47 kohms,1/8W VRD-ST2CD101J AA 100 ohm,1/6W R399 VRD-MN2BD330J AA 33 ohms,1/8W R24,25 VRD-MN2BD222J AA 2.2 kohms,1/8W...
  • Page 53 CD-E700H PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK R903,904 VRD-MN2BD102J AA 1 kohm,1/8W CNP801 92LCONEAP5267X J AC Plug,10Pin R905,906 VRD-MN2BD561J AA 560 ohms,1/8W CNP802 QCNCW012FAWZZ J AC Plug,6Pin R907 VRD-MN2BD563J AA 56 kohms,1/8W CNP805 QCNCM049BAWZZ J AC Plug,2Pin...
  • Page 54 CD-E700H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK CABINET PARTS PMAGF0007AWZZ J AD Magnet PRDAR0261AWFW J AT Heat Sink 1 245 QACCE0015AW00 J AK AC Power Supply Cord with 92LCAB4961AASY J Front Panel Ass’y CNS805 201- 1 ————...
  • Page 55 CD-E700H PRICE DESCRIPTION PART CODE RANK HPNLS1079AWSA J AW Side Panel,Left RSPXZ0001AWZX J AX Passive Radiator XJBSD40P16000 AB Screw,ø4×16mm XJBSD30P12000 AA Screw,ø3×12mm XMPSF40P40000 AC Screw,ø4×40mm XMBSF40P16000 AC Screw,ø4×16mm TSPC-1185AWZZ Label,Specifications PFLT-0046AWZZ AC Felt QCNWN2483AWZZ J AQ Speaker Cord Ass’y (with Capacitor C1,2)
  • Page 56 CD-E700H CD-E700H 306-2 306-1 306-3 703x2 305x2 PWB-D Figure 7 CD MECHANISM EXPLODED VIEW – 7 –...
  • Page 57 CD-E700H CD-E700H BELT CONNECTION 601x2 202-1 FF/REW Tape FF/REW PWB-A1 ROLLER Motor ROLLER ASS'Y ASS'Y 604x2 FLYWHEEL FLYWHEEL ASS'Y ASS'Y MAIN BELT TAPE2 TAPE1 IC851 614x3 IC852 Silicon IC853 601x11 Grease 615x3 601x2 614x3 202-2 IC901 PWB-F 208-3 616x2 606x2...
  • Page 58 CD-E700H CD-E700H 602x2 620x2 MECHANISM 602x2 PWB-E PWB-C 619x2 Figure 9 CABINET EXPLODED VIEW (2/2) – 9 –...
  • Page 59 CD-E700H CP-E700H SP5, 6 SP7, SUPER TWEETER SUPER TWEETER SP5, SP3, 4 SUPER TWEETER TWEETER SP3, Capacitor Capacitor SP7, 8 TWEETER 2.2µF, 2.2µF, SUPER TWEETER 100V (N.P.) 100V (N.P.) Electrolytic Electrolytic SP5,6 SP1, WOOFER 906x2 SP3,4 SP1, 2 WOOFER 906x2...
  • Page 60 CD-E700H © COPYRIGHT 2003 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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