Sharp CD-E77 Service Manual
Sharp CD-E77 Manual
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- Sharp CD-E77 | Service Manual - Page 1
Illustration: CD-E700/CD-E77 CD-E700/CD-E77 SERVICE MANUAL No. S1301CDE700// MINI COMPONENT SYSTEM MODEL CD-E700 CD-E700 Mini Component System consisting of CD-E700 (main unit) and CP-E700 (speaker system). MINI COMPONENT SYSTEM MODEL CD-E77 CD-E77 Mini Component System consisting of CD-E77 (main - Sharp CD-E77 | Service Manual - Page 2
CD-E700/CD-E77 IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) BEFORE RETURNING THE AUDIO PRODUCT two clip leads, connect a 1.5 kohm, 10 watt resistor paralleled by a 0.15 µF capacitor in series with all exposed metal cabinet parts and a known earth ground, such as conduit or electrical ground connected - Sharp CD-E77 | Service Manual - Page 3
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-E700/CD-E77 (For U.S.A.) General Power source Power consumption Dimensions Weight AC 120 V, 60 Hz 110 W Width: 10-5/8" (270 mm) Height: 13" (330 mm) Depth: 13-15/16" ( - Sharp CD-E77 | Service Manual - Page 4
CD-E700/CD-E77 CD-E700/CD-E77 Front panel NAMES OF PARTS 1. Disc Tray 2. Timer Set Indicator 3. Memory/ Disc Skip Button 17. Tape 2 Cassette Compartment 10 18. CD Button 11 19. Tape (1 2) Button 20. CD or Tape Stop Button 21. CD Track Down or Fast Reverse, Tape 2 Rewind, Tuner Preset Down - Sharp CD-E77 | Service Manual - Page 5
Buttons 6 20. Tuner (Band) Button 21. Video/Auxiliary Button 7 8 Buttons with " " mark in the illustration can be operated on the re- 9 mote control only. 10 CD-E700/CD-E77 11 12 13 14 15 16 17 18 19 20 21 CP-E700/CP - Sharp CD-E77 | Service Manual - Page 6
sufficient care on static electricity of integrated circuits and other circuits when servicing. CD-E700/CD-E77 Top Cabinet (A1)x2 ø3x12mm Side Panel (Right) (B1)x2 ø3x10mm Front Panel (A1)x2 ø3x12mm CD-E700/CD-E77 STEP REMOVAL PROCEDURE FIGURE 1 Top Cabinet 1. Screw A1) x4 6-1 2 Side Panel - Sharp CD-E77 | Service Manual - Page 7
(J1)x1 ø3x10mm Headphones PWB (K2)x1 Lug Wire Figure 7-2 Cassette Holder Turntable (L1)x3 CD-E700/CD-E77 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-E77 | Service Manual - Page 8
CD-E700/CD-E77 CP-E700/CP-E77 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-E77 | Service Manual - Page 9
CD-E700/CD-E77 REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION TAPE 2 Perform steps 1 to 6 and 8 of the disassembly method to remove the tape mechanism. Clutch Ass'y - Sharp CD-E77 | Service Manual - Page 10
CD-E700/CD-E77 CD MECHANISM SECTION Perform steps 1, 2, 3, 10, 11,12 and 13 of the disassembly method to remove the CD mechanism. How to remove (B1)x1 Shaft (B4)x1 ADJUSTMENT Pickup Unit Gear (B2)x1 CD Mechanism Figure 10-2 MECHANISM SECTION • Driving Force Check Torque Meter Specified Value - Sharp CD-E77 | Service Manual - Page 11
L312 T351 AM IF T306 AM TRACKING fL AM BAND COVERAGE fL R356 TP302 Figure 11-1 ADJUSTMENT POINTS CD-E700/CD-E77 CD SECTION • Adjustment Since this CD system incorporates the following automatic adjustment functions, readjustment is not needed when replacing the pickup. Therefore, different - Sharp CD-E77 | Service Manual - Page 12
CD-E700/CD-E77 TEST MODE • Setting the test mode Any one of test mode can be set by pressing several keys as follows. + + TEST: CD operation test. Function: -CD test mode. -Enter test mode. CD TEST OPEN/CLOSE operation is using manual. IL isn't done buttons make pick's - Sharp CD-E77 | Service Manual - Page 13
CD-E700/CD-E77 Standard Specification of Stereo System Error Message Display Contents CD TUN Error Contents Pickup Mechanism Error. CD Changer Mechanism Error. CD DSP Communication Error Focus Not Match. PLL Unlock. DISPLAY 'ER-CD**' 'ER-CD**' (*) 'ER-CD**' 'NO DISC' FM 87.5 MHz Notes 01: PU-IN - Sharp CD-E77 | Service Manual - Page 14
CD-E700/CD-E77 NOTES ON SCHEMATIC DIAGRAM • Resistor: To differentiate the units of resistors, such symbol as K and M OPEN/CLOSE CLAMP DISC NUMBER PICKUP IN POWER MEMORY SET REC/PAUSE TUNING DOWN TUNING UP TIMER/SLEEP CLOCK CD POSITION ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON- - Sharp CD-E77 | Service Manual - Page 15
RES CLAMP SW O/C, DISC NO CNP6 SW1 OPEN/CLOSE TO DISPLAY SECTION 1 2 3 4 5 6 7 8 9 10 SW2 CLAMP SW3 DISC NUMBER + - M3 CD-E700/CD-E77 M 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 T/T UP DOWN Q3 42 43 44 45 25 70 71 LCHO LVSS RVSS RCHO CONT4 CONT3 CONT2 61 CE 75 62 CL 69 63 DI - Sharp CD-E77 | Service Manual - Page 16
CD-E700/CD-E77 FM OSC AM OSC IN AM RF IN STEREO CE DI CLK DO BUFF Q302 AM TRACKING T303 T306 AM BAND COVERAGE VT X352 4.5 MHZ MOTOR DRIVER +B3 Q706 +B3 Q707 Q708 SOLENOID DRIVER FROM CD SECTION CNP5 IC302 LC72131 PLL(TUNER) +B FM 20 +B4 1 22 15 16 11 3 4 5 6 OSC 17 FM/AM - Sharp CD-E77 | Service Manual - Page 17
CD-E700/CD-E77 +B4 B T Q601 Q602 REC/PLAY T1/T2 BIAS FL701 DISPLAY 1 5 SP. DET. D905 D906 RX701 1 REMOTE SENSOR 3 2 +B5 KEY SW701-SW707 SW711-SW718 SW721-SW724 +B PROTECT +B7 TO CD SECTION +B3 JK701 HEADPHONES Q906 +B6 M901 M FAN MOTOR Q901 Q902 Q903 Q904 L 18 8 R-OUT R 14 5 1 - Sharp CD-E77 | Service Manual - Page 18
CD-E700/CD-E77 CNS601 1 R-CH BI601 1 2 A_GND A 2 3 L-CH 3 4 CD_GND 4 5 CD_+B +B 5 6 6 7 +B D_GND 7 8 8 LD+7V 9 +B TO POWER SECTION P22 1-F CNP5 10 TO CD CD_D_GND CD_A_GND C FM SIGNAL PLAYBACK SIGNAL RECORD SIGNAL CD SIGNAL VIDEO SIGNAL R619 330 R618 330 Q604 KTC3199 - Sharp CD-E77 | Service Manual - Page 19
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-E700/CD-E77 MAIN PWB-A1(1/3) R691 6.8K R690 6.8K C691 390P C690 390P R693 33K R692 33K L-CH JK690 AUX/VIDEO R-CH CHASSIS TO TUNER SECTION P21 - Sharp CD-E77 | Service Manual - Page 20
R365 10K C362 3 3/50 CD-E700/CD-E77 A B C AM FM C302 0.001 AM TRACKING C338 D301 D302 0.001 DS1SS133 DS1SS133 C323 0.022 T303 AM ANTENNA T306 AM OSC. C335 560P (HB) AM BAND - Sharp CD-E77 | Service Manual - Page 21
IC303 LA1832S FM IF DET./FM MPX./AM IF C373 0.015 C371 1/50 C372 1/50 15 14 13 TP302 R357 470K 0.015 2 22 R358 3.9K CD-E700/CD-E77 MAIN PWB-A1 (2/3) - Sharp CD-E77 | Service Manual - Page 22
CD-E700/CD-E77 + IC901 - - STK41242 + POWER AMP. VL+ VH+ GND VH- VL- 100(1/4W) Fusible 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R916 0.22(3W) A C913 - Sharp CD-E77 | Service Manual - Page 23
C928 0.1(ML) R R942 L R943 390(2W) 390(2W) R945 1.5K R944 1.5K L1_OUT R1_OUT RL914 D911 DS1SS133 0.2V Q905 KTC3199 GR 4.4V R946 47K CD-E700/CD-E77 MAIN PWB-A1 (3/3) FM SIGNAL CNP971 D912 DS1SS133 R947 15K C931 10/50 R949 1K R950 68K CNS971 2 1 M 2 + - M901 FAN MOTOR 1 Q906 KTC3203 - Sharp CD-E77 | Service Manual - Page 24
CD-E700/CD-E77 A LED A PWB-A4 BI703 1 +10V +B 1 1 LED703 A503BC2E 2 2 2 CNS703 R751 330 CNP703 B LED B PWB-A5 BI704 +B 1 1 1 LED704 32 KE 31 KE AC_RLY VDD TIMER LED T_MOTOR T_SOL_A T_SOL_B SMUTE VSS REMOCON SP DET CD CLAMP SW P_IN R746 R734 R735 54 O/C_SW 1K 53 1K 52 T1 RUN 1K - Sharp CD-E77 | Service Manual - Page 25
CD-E700/CD-E77 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 8 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 C701 1/50 R795 1.5 7 88 89 90 91 92 93 94 - Sharp CD-E77 | Service Manual - Page 26
C37 0.1 C36 0 22/50 CD-E700/CD-E77 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 - Sharp CD-E77 | Service Manual - Page 27
(ML) R27 10K R26 10K 1 R20 10K R19 15K R8 10K +B +B FOCUS/TRACKING/SPIN/ SLED DROVER R21 1 +B +B R46 1 +B C15 0.001 L1 0.82 µH CD-E700/CD-E77 DRF CD RES WRQ 1 2 CE +B 3 DO FROM 4 DISPLAY PWB +B DI 5 P25 12-D CL 6 CNS701 7 CLAMP SW 8 O/C, 9 DISC NO 10 CNP6 C42 0.01 - Sharp CD-E77 | Service Manual - Page 28
CD-E700/CD-E77 A B AM LOOP ANTENNA C FM ANTENNA 1 2 3 D M901 FAN MOTOR BR 2 RD 1 CNS971 R-CH JK690 VIDEO/AUX L-CH E F SO901 SPEAKER TERMINAL R-CH + L-CH + R-CH - G L-CH - 321 CNP301 - Sharp CD-E77 | Service Manual - Page 29
CD-E700/CD-E77 TO CD SERVO PWB P32 4-A CNP5 TO DISPLAY PWB P31 12-D CNP701A FFC701 R136 RD BL GR BL 1 CNS601 1 2 3 4 5 6 7 8 GR BL GR BL 16 R138 R134 R158 - Sharp CD-E77 | Service Manual - Page 30
CD-E700/CD-E77 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 C702 CNP704 CNS701 11 D TO CD SERVO PWB P32 3-A CNP6 10 9 8 7 6 5 4 3 2 1 WH YL WH YL WH YL WH YL WH RD - Sharp CD-E77 | Service Manual - Page 31
CD-E700/CD-E77 LED A PWB-A4 LED703 LED701 R794 8 19 27 28 29 30 31 32 33 34 35 36 50 R734 40 R711 R712 R713 R716 R714 R715 30 31 C720 R722 R718 R719 R720 R766 R767 R768 R773 SW711 CD R724 R736 SW714 TAPE R747 R770 R772 R758 R731 R764 R732 R730 R729 R728 R727 R726 R733 R765 R725 R762 R721 - Sharp CD-E77 | Service Manual - Page 32
CD-E700/CD-E77 CD SERVO PWB-C FROM DISPLAY PWB P30 1-D CNS701 3 FROM MAIN PWB P29 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 - Sharp CD-E77 | Service Manual - Page 33
CD-E700/CD-E77 TAPE MECHANISM ASSEMBLY P30 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 - Sharp CD-E77 | Service Manual - Page 34
CD-E700/CD-E77 POWER PWB-B1 FROM MAIN PWB P29 12-G CNS801 FROM DISPLAY PWB P30 1-D FW701 R841 A IC854 D853 65 4 3 2 1 321 D856 R844 CNP802 D801 ZD801 D804 - Sharp CD-E77 | Service Manual - Page 35
-27.3 V PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IC901 VOLTAGE 58.8 V 27.8 V 15.9 V -15.9 V 28.2 V -58.7 V 0 V 0 V 0 V 0 V 0 V -56.8 V -56.8 V 0 V 0 V -55.3 V 0 V 0 V CD-E700/CD-E77 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 IC2 VOLTAGE 7.76 - Sharp CD-E77 | Service Manual - Page 36
CD-E700/CD-E77 1 IC1 21 Stopped CH1=500 mV DC 10:1 T FDO 1 WAVEFORMS OF CD CIRCUIT CH3=500 mV DC 10:1 500 ms/div (500 ms/div) NORM:20 kS/s Stopped CH1=200 mV DC 10:1 T CH2=500 mV DC - Sharp CD-E77 | Service Manual - Page 37
CD-E700/CD-E77 TROUBLESHOOTING When the CD does not function When the CD section does not operate when the above step is taken, check the following items. Remove the cabinet and follow the trouble shooting instructions. "Track skipping and/or no TOC (Table Of Contents) may be caused by build - Sharp CD-E77 | Service Manual - Page 38
CD-E700/CD-E77 (1) Focus-HF system check. 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 - Sharp CD-E77 | Service Manual - Page 39
and soon after NO DISC appears ? Yes No "Initialization" is possible, but play is not possible ? Yes No "Initialization" is not possible. CD-E700/CD-E77 The tracking servo is not activated. Check the peripheral circuits at pins 14, 15 and 20 on IC1, and CNS1A/B. A normal jump operation - Sharp CD-E77 | Service Manual - Page 40
CD-E700/CD-E77 (4) PLL system check. When a disc is loaded, start play operation. The HF waveform is normal, but the TOC data cannot be read. Check the PDO - Sharp CD-E77 | Service Manual - Page 41
CD-E700/CD-E77 FUNCTION TABLE OF IC IC1 VHiLC78646E-1: CD Servo (LC78646E) (1/2) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13* 14 15* 16* 17 18 19 20 21 22 23 24* 25* 26 27* 28 29* 30* - Sharp CD-E77 | Service Manual - Page 42
CD-E700/CD-E77 IC1 VHiLC78646E-1: CD Servo (LC78646E) (2/2) Pin No. 44 45 46 47 48 49 50 51 52* 53* 54* 55 56 57 58* 59* 60* 61 62 63 64 - Sharp CD-E77 | Service Manual - Page 43
IC1 VHiLC78646E-1: CD Servo (LC78646E) CD-E700/CD-E77 LDD LDS FR VVDD PCKIST VVSS PD02 PD01 CONT1 DETECT,PROTECT INSERT, EFN DECODE SUBCODE DECODE CRC MONITOR SIGNAL SELECTOR ERROR CORRECTION AUDIO CD INTERPOLATION MUTE ATTENUATION DEEMPHSIS LPF RAM AUDIO OUT SERIAL OUT EXTERNAL AUDIO IN LDD - Sharp CD-E77 | Service Manual - Page 44
CD-E700/CD-E77 IC601 VHiLC75341/-1: Audio Processor (LC75341) VSS CE DI CLK VDD VREF 3 2 1 24 23 22 LVref CCB INTERFACE RVref LOUT 4 LBASS 5 LTRE 6 LIN 7 LSEL0 8 CONTROL CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT 21 ROUT 20 RBASS 19 RTRE 18 RIN 17 RSEL0 CD Tuner Tape Video 9 10 11 12 L4 L3 L2 - Sharp CD-E77 | Service Manual - Page 45
CD-E700/CD-E77 IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (1/2) Pin No. Port Name change. 6 P33 T_REC/PLY Output Tape REC/PLAY change. 7 P32 CD_RESOUT Output CD DSP reset. 8 P31 CD WRQ Input CD write read request.. 9* P30 10 RESET NO USE RESET Input Input Connect to - Sharp CD-E77 | Service Manual - Page 46
CD-E700/CD-E77 IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function 54 P120 O/C SW Input CD OPEN/CLOSE SW. 55 P117 MIC SW Input Mic switch input. 56* P116 KARA_LATCH Output Karaoke latch. (When not used. Connect to 0 V.) - Sharp CD-E77 | Service Manual - Page 47
FL701 VVKNA09SS29-1 FL DISPLAY GRID ASSIGNMENT 2G 3G 4G 5G 6G 7G 8G CD-E700/CD-E77 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 rn d Dp (1G~8G) SLEEP RDS EON kHz TP TIPTYIPTY MHz TA MEMORY - Sharp CD-E77 | Service Manual - Page 48
CD-E700/CD-E77 -- MEMO -- - 48 - - Sharp CD-E77 | Service Manual - Page 49
PARTS GUIDE CD-E700/CD-E77 MINI COMPONENT SYSTEM MODEL CD-E700 CD-E700 Mini Component System consisting of CD-E700 (main unit) and CP-E700 (speaker system). MINI COMPONENT SYSTEM MODEL CD-E77 CD-E77 Mini Component System consisting of CD-E77 (main unit) and CP-E77 (speaker system). "HOW TO ORDER - Sharp CD-E77 | Service Manual - Page 50
CD-E700/CD-E77 NO. PART CODE PRICE RANK DESCRIPTION NO. PARTS CODE PRICE RANK DESCRIPTION CD-E700/CD-E77 TRANSFORMERS INTEGRATED VHIKIA7805AP1 J VHIAN78L05/-1 J VSKTC2026//-1 J VHISTK41242-1 J TRANSISTORS AY CD Servo,LC78646E AN Focus/Tracking/Spin/Sled Driver, LA6574H AM Playback - Sharp CD-E77 | Service Manual - Page 51
CD-E700/CD-E77 NO. C125,126 C127,128 C129,130 C131,132 C133 C134 C135 C137 0.022 µF,50V AB 22 µF,50V,Electrolytic AB 0.12 µF,50V,Thin Film AB 1 µF,50V,Electrolytic NO. PARTS CODE PRICE RANK DESCRIPTION C611,612 C613,614 C615,616 C617~624 C625,626 C639 C640 C651~653 C690,691 C701 C702 C704 C705 - Sharp CD-E77 | Service Manual - Page 52
CD-E700/CD-E77 NO. R24,25 R26,27 R28,29 R31 R32~38 R39,40 R41 R359 R360 R365 R372~374 R375 R376 R377 R378 R379 R380 R381 R382 R383 R384 R385 R386 R387 R388 R391,392 PART CODE PRICE RANK DESCRIPTION VRD-MN2BD222J J AA 2.2 kohms,1/8W VRD-MN2BD103J J AA 10 kohm,1/8W VRD-ST2CD222J J AA 2.2 kohms,1/ - Sharp CD-E77 | Service Manual - Page 53
AD Flat Cable,7Pin AX FL Display AC Flat Wire,6Pin CD-E700/CD-E77 NO. PARTS CODE PRICE RANK DESCRIPTION FW802 FW901 JK690 JK701 JOG701 LG3 M1 M2 M3 J QSW-F9001AW01 J AC Gear,Middle AC Gear,Drive AC Rail,Guide AD Shaft,Guide AC Cushion BD Pickup Unit Ass'y -- Pickup Unit (Not Replacement - Sharp CD-E77 | Service Manual - Page 54
SHARP AN Side Panel Ass'y,Left [CD-E700] AN Side Panel Ass'y,Left [CD-E77 Edge Light AC Plate,Support AA Screw,ø3×10mm Manual [Except for Canada] AF Operation Manual [For Canada] AD Quick Guide [For U.S.A. Only] AB Label,Bar Code [For Canada Only] [CD-E700] AB Label,Bar Code [For Canada Only] [CD-E77 - Sharp CD-E77 | Service Manual - Page 55
NO. PART CODE PRICE RANK DESCRIPTION CP-E700/CP-E77 SPEAKER BOX PARTS 901 901 901 901 902 902 902 902 903 903 903 903 904 'y PACKING PARTS (Except for U.S.A.) SPAKA0416AWZZ J AM Packing Add. SPAKZ1033AWZZ J Sheet,Protection SSAKH0053AWZZ J AC Polyethylene Bag,Speaker CD-E700/CD-E77 - 6 - - Sharp CD-E77 | Service Manual - Page 56
CD-E700/CD-E77 306 A 306-2 306-1 B C 306-3 702 701 304 701 704 302 301 D 303 703x2 E M1 F G H 1 305x2 SW4 305 M2 PWB-D 2 3 4 5 6 Figure 7 CD MECHANISM EXPLODED VIEW - 7 - - Sharp CD-E77 | Service Manual - Page 57
CD-E700/CD-E77 202-1 202 611 PWB-A1 A 604x2 601x2 244 BELT CONNECTION FF/REW ROLLER ASS'Y Tape Motor FF/REW ROLLER ASS'Y 611 FLYWHEEL FLYWHEEL 601x2 B 202-2 - Sharp CD-E77 | Service Manual - Page 58
CD-E700/CD-E77 A B 241 C 217 249 243 215 CD MECHANISM 602x2 618 258 216 205 602x2 PWB-E SW3 SW2 SW1 D 251 235 226 225 M3 M3 251 224 240 204 E 251 232 PWB-C F 223 - Sharp CD-E77 | Service Manual - Page 59
CP-E700/CP-E77 SP5, 6 SUPER TWEETER A BK BK SP3, 4 RD TWEETER RD BK SP7, 8 SUPER TWEETER B C1, C2 Capacitor 2.2µF, 100V (N.P.) RD BK BK SP5,6 RD 906X2 C SP3,4 SP1, 2 - Sharp CD-E77 | Service Manual - Page 60
Polyethylene Bag, Accessories AM/FM Loop Antenna Operation Manual Quick Guide Remote Control BOTTOM B A B REAR REAR SPAKC1547AWZZ [CD-E700] SPAKC1554AWZZ [CD-E77] Packing Case Not Replacement Item COPYRIGHT © 2002 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication
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CD-E700/CD-E77
No. S1301CDE700//
CONTENTS
Page
IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY)
.......................................................................................................
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
FL DISPLAY
.....................................................................................................................................................................
47
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.
Illustration: CD-E700/CD-E77
MINI COMPONENT SYSTEM
MODEL
CD-E700
CD-E700 Mini Component System consisting of CD-E700
(main unit) and CP-E700 (speaker system).
MINI COMPONENT SYSTEM
MODEL
CD-E77
CD-E77 Mini Component System consisting of CD-E77 (main
unit) and CP-E77 (speaker system).