Sharp CD-E88 Service Manual
Sharp CD-E88 Manual
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- Sharp CD-E88 | Service Manual - Page 1
CD-E88 SERVICE MANUAL No. S3318CDE88/// MINI COMPONENT SYSTEM MODEL CD-E88 CD-E88 Mini Component System consisting of CD-E88 (main unit) and CP-E88 (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 - Sharp CD-E88 | Service Manual - Page 2
CD-E88 IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) BEFORE RETURNING THE AUDIO to all exposed metal parts having a return path to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage returning the audio product to the owner. - 2 - - Sharp CD-E88 | Service Manual - Page 3
THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-E88 (For U.S.A.) CD-E88 (For Canada) General Power source Power consumption % (WRMS) CP-E88 (For U.S.A.) Type Maximum input power Rated input power Impedance Dimensions Weight 3-way 4-speaker system with passive radiator Super - Sharp CD-E88 | Service Manual - Page 4
CD-E88 CD-E88 Front panel NAMES OF PARTS 1. Disc Tray 2. Timer Set Indicator 1 3. Memory/Set Button Indicator 11. CD Repeat Play Indicator 12. Tape Play Indicator 13. Memory Indicator 12 10 11 Rear panel 1. Cooling Fan 2. AC Power Cord 3. FM/AM Loop Antenna Jack 4. Video/Auxiliary ( - Sharp CD-E88 | Service Manual - Page 5
CD-E88 Remote control 1. Remote Control Transmitter 1 2. Disc Number Select Buttons 3. Program Clear Button 4. CD Memory Button 5. CD Track Down or Fast Reverse, Tape 2 Rewind Button 2 6. CD Pause Button 7. CD or Tape Stop Button 3 8. Tape 2 Record Pause Button 9. CD Button 10. Tape (1 - Sharp CD-E88 | Service Manual - Page 6
when servicing. CD-E88 (A1)x2 ø3x12mm Side Panel (Right) (B1)x2 ø3x10mm Top Cabinet Front Panel (A1)x2 ø3x12mm CD-E88 CD Servo PWB 1. Screw M1) x2 7-5 (Note 2) 2. Hook M2) x1 3. Socket M3) x4 13 CD Mechanism 1. Hook N1) x2 7-6 2. Hook N2) x2 Note 1: How to open the changer manually - Sharp CD-E88 | Service Manual - Page 7
ø3x10mm (J1)x1 ø3x10mm Headphones PWB (K2)x1 Lug Wire Figure 7-2 Cassette Holder Turntable (L1)x3 CD-E88 Loading Tray 3 2 1 (L1)x3 Figure 7-4 (M1)x2 ø3x10mm CD Servo PWB Loading Tray (M3)x2 (M2)x1 (M3)x2 Figure 7-5 CD Mechanism (N2)x2 (N1)x1 (N1)x1 Loading Tray (K1)x2 Loading Tray - Sharp CD-E88 | Service Manual - Page 8
CD-E88 CP-E88 STEP REMOVAL PROCEDURE FIGURE 1 Passive Radiator 1. Screw A1) x4 8-1 2. Side Panel A2) x1 3. Screw A3) x4 8-3 2 Woofer 1. Front Panel B1) x1 8-2 2. Screw B2) x4 8-3 3 Tweeter 1. - Sharp CD-E88 | Service Manual - Page 9
CNP6 SW1 OPEN/CLOSE TO DISPLAY SECTION 1 2 3 4 5 6 7 8 9 10 SW2 CLAMP SW3 DISC NUMBER + - M3 CD-E88 M 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 T/T UP/DOWN XL1 16.9344 70 71 75 69 57 56 55 51 50 43 IC1 44 40 LC78646E 37 CD SERVO 28 19 6 CONT 5 26 41 46 7 8 9 10 SLDO 23 - Sharp CD-E88 | Service Manual - Page 10
CD-E88 FM OSC AM OSC IN AM RF IN STEREO CE DI CLK DO IC303 IC301 LA1832S AM LOOP ANTENNA FM ANTENNA PROCESSOR 4 L CD L 12 R 13 7 8 17 18 3 SYSTEM MUTE Q603 Q604 -20dB ATT Q601 Q602 TAPE 1 L-CH P.B. HEAD R-CH REC. P.B. SWITCHING TAPE 2 L-CH R-CH Q103Q106 REC./P.B. HEAD L(T1) 1 - Sharp CD-E88 | Service Manual - Page 11
CD-E88 +B4 SYSTEM MUTE Q603 Q604 B T Q601 Q602 REC/PLAY T1/T2 BIAS FL701 FL DISPLAY 1 5 ~ 19 27 ~ 33 33 ~ 41 45 +B5 48 46 40 40 30 25 13 VDD 70 39 - - 78 79 VLOAD 80 85 47 IC701 IX0553AW SYSTEM MICROCOMPUTER 38 37 63 +B5 AVDD 34 33 31 - VDD RESET VDD - Sharp CD-E88 | Service Manual - Page 12
L-CH A_GND R-CH CD_D_GND CD_A_GND C FM SIGNAL PLAYBACK SIGNAL RECORD SIGNAL CD SIGNAL VIDEO SIGNAL R619 330 R618 330 Q604 KTC3199 GR Q603 KTC3199 GR SYSTEM MUTE R617 2.2K R615 4.7K R613 390 Q601 KTC3199 GR R611 2.2K SYSTEM MUTE R614 4.7K R616 2.2K R610 2.2K Q602 KTC3199 GR R612 390 - Sharp CD-E88 | Service Manual - Page 13
R4 C618 16 R3 C620 15 R2 C622 14 4.7/50 1/50 1/50 1/50 R1 13 C624 1/50 R644 6.8K R643 6.8K R642 10K R641 10K +B +B CD-E88 MAIN PWB-A1(1/3) R691 6.8K R690 6.8K C691 390P C690 390P R693 33K R692 33K L-CH JK690 VIDEO/ AUX IN R-CH CHASSIS CE 1 +B A+10V 2 DGND - Sharp CD-E88 | Service Manual - Page 14
6K AM OSC OUT FM IF IN CD-E88 C302 0.001 A AM TRACKING C338 D301 0.001 DS1SS133 C323 0.022 T303 AM ANTENNA C330 15P (UJ) C331 0.047 C332 0.022 D302 DS1SS133 B T306 AM OSC. C335 560P VD301 SVC348S (HB) AM BAND COVERAGE fL C334 22P (CH) FM ANTENNA BF301 BAND PASS FILTER IC301 AM - Sharp CD-E88 | Service Manual - Page 15
DIAGRAM (4/10) - 15 - 12 11 10 9 8 7 P13 12- C TO MAIN SECTION 3 68 1 4 59 27 CE DI CLK DO A+10V AGND DGND TUN_R TUN_L +B PLL (TUNER) R386 22K IC302 LC72131 C384 0.001 +B C383 C371 1/50 C372 1/50 15 14 13 TP302 R357 470K 0.015 C342 .022 R358 3.9K CD-E88 MAIN PWB-A1 (2/3) - Sharp CD-E88 | Service Manual - Page 16
CD-E88 + IC901 - - STK41243 + POWER AMP. VL+ VH+ GND VH- VL- 100(1/4W) Fusible R913 0.22(3W) 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R916 0. - Sharp CD-E88 | Service Manual - Page 17
D911 DS1SS133 0.2V Q905 KTC3199 GR SP RELAY 4.4V ON-OFF R946 47K +B R939 10(1/2W) R941 10(1/2W) R938 10(1/2W) R940 10(1/2W) +B CD-E88 MAIN PWB-A1 (3/3) FM SIGNAL CNP971 D912 DS1SS133 R947 15K C931 10/50 +B +B FAN MOTOR DRIVER R949 1K R950 68K Q906 KTC3203 Y CNS971 2 1 M 2 + - M901 - Sharp CD-E88 | Service Manual - Page 18
CD-E88 A LED A PWB-A4 BI703 +10V +B 1 1 1 LED703 A503BC2E 2 2 2 CNS703 R751 330 CNP703 B LED B PWB-A5 BI704 +B 1 1 67 REV_PLY_LED 66 FOR_PLY_LED IC701 65 IX0553AW 64 SYSTEM MICROCOMPUT R757 1K 63 ILU_LED1 62 ESS DO 61 ESS DI 60 ESS STB 59 ESS ACK 58 MPEG POWER 57 DISC NO - Sharp CD-E88 | Service Manual - Page 19
CD-E88 DISPLAY PWB-A2 NP F G01 G02 G03 G04 G05 G06 G07 G08 G09 P01 P02 P03 P04 P05 S5 T_MOTOR T_SOL_A T_SOL_B SMUTE VSS REMOCON SP DET CD CLAMP SW P_IN AVREF AVDD RD13 1.5K RD14 2.2K RD15 2.7K RD16 3.9K SW711 CD SW712 TUNER SW713 SW714 VIDEO/ TAPE AUX SW715 SW716 SW717 SW718 - Sharp CD-E88 | Service Manual - Page 20
C37 0.1 C36 0 22/50 CD-E88 A PICKUP UNIT 1 HPC1LX B VCC 7 VREF 6 E 5 A 4 B 3 F 2 C 1 C CNS1B CNS1A CD SERVO PWB-C CD SIGNAL VCC 7 7 7 6 6 6 VREF 5 5 5 E R6 22K 4 4 4 A R5 8.2K 3 3 3 B R4 8.2K 2 2 F 2 R3 22K 1 1 1 C R1 8.2K CNP1 C1 47/25 R2 8.2K C2 0.01 - Sharp CD-E88 | Service Manual - Page 21
DI CL CE 1 SLCO 2 SLCIST 3 EFMIN 4 RF 5 5 RFVDD 87 60 59 DATA BCK 11 10 58 LRCK 3 ASDFIN 57 ASDACK 56 6 RSVSS ASLRCK 55 7 15K R8 10K +B +B +B +B 1 R21 1 +B R46 1 +B C15 0.001 L1 0.82 µH CD-E88 DRF CD RES WRQ 1 2 CE +B 3 DO FROM 4 DISPLAY PWB +B DI 5 P19 12-D CL 6 - Sharp CD-E88 | Service Manual - Page 22
CD-E88 COLOR TABLE A BR BROWN RD(R) RED OR ORANGE YL YELLOW GR GREEN BL BLUE VL VIOLET B GY GRAY WH(W) WHITE BK BLACK PK PINK AM LOOP ANTENNA C FM ANTENNA 1 2 3 D M901 FAN MOTOR BR 2 RD 1 CNS971 R-CH JK690 VIDEO/AUX IN L-CH E F SO901 SPEAKER TERMINAL R-CH + L-CH + R-CH - G L- - Sharp CD-E88 | Service Manual - Page 23
CD-E88 TO CD SERVO PWB P26 4-A CNP5 TO DISPLAY PWB P29 12-D CNP701A FFC701 R136 RD D909 C856 11 R910 R917 C922 C921 C923 1 1 P27 10-F FROM TAPE1 PLAYBACK HEAD P27 11-F FROM TAPE2 RECORD/PLAYBACK HEAD HEADPHONES PWB-A3 JK701 HEADPHONES CNP705 12 3 4 5 1 5 FW901 CNP801 TO POWER - Sharp CD-E88 | Service Manual - Page 24
CD-E88 A DISPLAY PWB-A2 BI701 R795 R783 R704 R703 R706 LED704 BI704 C717 LED B PWB-A5 B 1 1 2 2 CNS704 SW722 EQUALIZER SW721 X-BASS/DEMO RD19 RD20 3 1 2 RX701 C 12 C701 CNP704 C702 CNS701 D TO CD SERVO PWB P26 3-A CNP6 10 9 8 7 6 5 4 3 2 1 WH YL WH YL WH YL WH YL WH RD 1 FW701 TO - Sharp CD-E88 | Service Manual - Page 25
CD-E88 LED A PWB-A4 LED703 LED701 R794 8 19 27 28 29 30 31 32 33 34 35 4 5 5 IC701 60 10 55 51 R746 15 45 R735 20 2535 50 R734 40 30 31 R711 R712 C720 SW711 CD R713 R716 R714 R715 R722 R718 R719 R720 R724 R766 R767 R768 R773 R736 SW714 TAPE R747 R770 R772 R758 R731 R764 R732 - Sharp CD-E88 | Service Manual - Page 26
CD-E88 A B C D CD SERVO PWB-C FROM DISPLAY PWB P24 1-D CNS701 3 FROM MAIN PWB BL BLUE VL VIOLET GY GRAY PICKUP UNIT(306) CNS3A 6 54 32 1 WH(W) WHITE BK BLACK F PK PINK 6 5 4 3 2 1 CD MOTOR CNS3B PWB-D WH GR WH GR WH RD M2 SLED MOTOR CNS1A 1 2 3 4 5 6 7 RD WH BL WH BL WH BL CNS1B - Sharp CD-E88 | Service Manual - Page 27
CD-E88 TAPE MECHANISM ASSEMBLY P24 3-F TO DISPLAY PWB CNP702 FFC702 1 7 SW 1 357 SW 246 1 2 TAPE MECHANISM PWB-F SW SOLENOID CD LOADING MOTOR PWB-E +- SOLENOID TAPE MOTOR TAPE 1 PLAYBACK HEAD TAPE 2 ERASE HEAD RECORD/PLAYBACK HEAD YL WH BL PK WH GR BK PK BK WH SW1 OPEN/ - Sharp CD-E88 | Service Manual - Page 28
CD-E88 A B C POWER PWB-B1 FROM MAIN PWB P23 12-G CNS801 FROM DISPLAY PWB P24 1-D FW701 C861 IC854 321 C842 C805 C841 R858 C806 C807 D805 R843 - Sharp CD-E88 | Service Manual - Page 29
CD-E88 NOTES ON SCHEMATIC DIAGRAM • Resistor: To differentiate the units of resistors, such symbol ON-OFF REF. NO SW711 SW712 SW713 SW714 SW715 SW716 SW717 SW718 SW721 SW722 SW723 SW724 DESCRIPTION CD TUNER VIDEO/AUX TAPE STOP PLAY FAST FORWARD FAST REWIND X-BASS/DEMO EQUALIZER OPEN/CLOSE DISC - Sharp CD-E88 | Service Manual - Page 30
CD-E88 IC101 PIN NO. VOLTAGE 1 0V 2 0V 3 0.56 V 4 1.996 V 5 N.C. 6 1.303 V 7 0V 8 0.587 V 9 54 V 4.96 V 4.93 V IC701 PIN NO. VOLTAGE 51 0 V 52 4.93 V 53 N.C. 54 0 V 55 0 V 56 0 V 57 0 V 58 0 V 59 0 V 60 0 V 61 0 V 62 0 V 63 4.82 V 64 N.C. 65 N.C. 66 N.C. 67 N.C. 68 N.C. 69 -28.96 V 70 -28.96 V 71 - Sharp CD-E88 | Service Manual - Page 31
mV DC 10:1 T CH2=500 mV DC 10:1 1 IC1 21 T FDO 2 CD-E88 1999/04/07 09:51:15 500 ms/div (500 ms/div) NORM:20 kS/s :1 CH3=2 V DC 10:1 1999/04/05 20:50:17 5 µs/div (5 µs/div) NORM:100 kS/s 11 IC1 59 12 IC1 60 1 LRSY 2 DATACK T 3 DATA =Filter= Smoothing : ON BW : FULL =Offset= CH1 : 0.00 - Sharp CD-E88 | Service Manual - Page 32
CD-E88 FL701 VVKNA09SS29-1 FL DISPLAY GRID ASSIGNMENT 2G 3G 4G 5G 6G 7G 8G 9G X-BASS MP3 1G 1 2 3 REC ST col S2 S3 a S1 S4 f hj k b g m e p c - Sharp CD-E88 | Service Manual - Page 33
CD-E88 PARTS GUIDE MINI COMPONENT SYSTEM MODEL CD-E88 CD-E88 Mini Component System consisting of CD-E88 (main unit) and CP-E88 (speaker system). "HOW TO ORDER REPLACEMENT PARTS" To have your order filled promptly and correctly, please furnish the following information. 1. MODEL NUMBER 2. REF. - Sharp CD-E88 | Service Manual - Page 34
CD-E88 NO. PART CODE PRICE RANK DESCRIPTION NO. PARTS CODE PRICE RANK DESCRIPTION CD-E88 TRANSFORMERS INTEGRATED CIRCUITS IC1 IC2 Det./FM Mpx./AM IF, LA1832S AM Audio Processor,LC75341 AX System Microcomputer, IX0553AW AF Voltage Regulator,KIA7812AP AF Voltage Regulator,KIA7810AP AF - Sharp CD-E88 | Service Manual - Page 35
CD-E88 NO. C127,128 C129,130 C131,132 C133 C134 C135 C137 C138 C139 0.1 µF,50V,Thin Film AB 0.12 µF,50V,Thin Film AB 1 µF,50V,Electrolytic AA 0.0022 µF,16V NO. PARTS CODE PRICE RANK DESCRIPTION C613,614 C615,616 C617~624 C625,626 C639 C640 C651~653 C690,691 C701 C702 C704 C705 C707 C709,710 - Sharp CD-E88 | Service Manual - Page 36
CD-E88 NO. R26,27 R28,29 R31 R32~38 R39,40 R41 R42 R43 R46 R365 R372~374 R375 R376 R377 R378 R379 R380 R381 R382 R383 R384 R385 R386 R387 R388 R391,392 R393 R395 PART CODE PRICE RANK DESCRIPTION VRD-MN2BD103J J AA 10 kohm,1/8W VRD-ST2CD222J J AA 2.2 kohms,1/6W VRD-ST2CD472J J AA 4.7 kohms,1/6W - Sharp CD-E88 | Service Manual - Page 37
CD-E88 NO. PART CODE PRICE Down Loading Motor] AM Motor,Air Cooling Fan AH Relay AH Relay AH Remote Sensor,GP1UM271 AE Terminal,Speaker AM Switch,Leaf Type [Open/Close] AM Switch J AC Gear,Middle AC Gear,Drive AC Rail,Guide AD Shaft,Guide AC Cushion BD Pickup Unit Ass'y -- Pickup Unit SHARP - 4 - - Sharp CD-E88 | Service Manual - Page 38
AK AM/FM Loop Antenna AE Operation Manual [For U.S.A.] AF Operation Manual [For Canada] AD Quick Guide [For U.S.A. Only] AB Label,Bar Code [For Canada Only] AB Energy Star Label (Set) AC Label,Feature [Tape 2] AC Label,Feature [Tape 1] AS Remote Control AK Battery Lid,Remote Control P.W.B. ASSEMBLY - Sharp CD-E88 | Service Manual - Page 39
CD-E88 701 A 306 306-2 B 306-1 304 701 704 306-3 302 C 301 702 303 D 703x2 CD-E88 E M1 F G H 1 305x2 SW4 305 M2 PWB-D 2 3 4 5 6 Figure 6 CD MECHANISM EXPLODED VIEW - 6 - - Sharp CD-E88 | Service Manual - Page 40
CD-E88 CD-E88 202 A 202-1 256 604 611 621x2 PWB-A1 601x2 244 BELT CONNECTION FF/REW ROLLER ASS'Y Tape Motor FF/REW ROLLER ASS'Y 601x2 B 202-2 611 - Sharp CD-E88 | Service Manual - Page 41
A B 241 C 217 249 243 215 CD MECHANISM 602x2 618 258 216 CD-E88 205 602x2 PWB-E SW3 SW2 SW1 D 251 235 226 225 M3 M3 251 224 240 204 E 251 232 PWB-C F 223 251 622 G H 206 1 2 238 221 - Sharp CD-E88 | Service Manual - Page 42
CD-E88 CP-E88 SP5, 6 SUPER TWEETER A BK BK SP7, 8 SUPER TWEETER SP3, 4 RD TWEETER SP5, 6 SUPER TWEETER RD SP7, 8 BK C1,C2 Capacitor SUPER TWEETER 1.8µF, B 250V (N.P.) RD BK - Sharp CD-E88 | Service Manual - Page 43
UNIT SPAKP0032AWZZ Polyethylene Bag,Unit CD-E88 SPAKA0431AWZZ Packing Add., Left/Right TOP FRONT BOTTOM 92LBAG1460C1 Polyethylene Bag, Accessories Energy Star Label A Feature Label [Tape1] Feature Label [Tape2] AM/FM Loop Antenna Operation Manual Quick Guide Remote Control BOTTOM B A B REAR - Sharp CD-E88 | Service Manual - Page 44
CD-E88 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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CD-E88
No. S3318CDE88///
CONTENTS
Page
IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY)
.......................................................................................................
2
SPECIFICATIONS
.............................................................................................................................................................
3
NAMES OF PARTS
...........................................................................................................................................................
4
DISASSEMBLY
..................................................................................................................................................................
6
BLOCK DIAGRAM
.............................................................................................................................................................
9
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD
.............................................................................................
12
NOTES ON SCHEMATIC DIAGRAM
..............................................................................................................................
29
TYPES OF TRANSISTOR AND LED
...............................................................................................................................
29
VOLTAGE
........................................................................................................................................................................
30
WAVEFORMS OF CD CIRCUIT
......................................................................................................................................
31
FL DISPLAY
.....................................................................................................................................................................
32
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING OF THE SET (FOR U.S.A. ONLY)
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
MINI COMPONENT SYSTEM
MODEL
CD-E88
CD-E88 Mini Component System consisting of CD-E88
(main unit) and CP-E88 (speaker system).
CD-E700/CD-E77
Page
REMOVING AND REINSTALLING THE MAIN PARTS
..............
9
ADJUSTMENT
..........................................................................
10
TROUBLESHOOTING
..............................................................
37
FUNCTION TABLE OF IC
........................................................
41
This Service Manual is for the CD-E88, which is a minor-
modification model of the CD-E700/CD-E77, This manual,
therefore, describes only the changed points from the service
manual. Please refer to the CD-E700/CD-E77, service manual
(No. S1301CDE700//) together with this manual.