Service manual

ManualsBrandsSharp ManualsCD PlayerCD-DD4500

– 1 –

CD-DD4500

No. S7144CDDD4500

CONTENTS

Page

IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY)....................................................................................................... 2

SPECIFICATIONS ............................................................................................................................................................. 2

NAMES OF PARTS ........................................................................................................................................................... 3

OPERATION MANUAL ...................................................................................................................................................... 6

DISASSEMBLY ................................................................................................................................................................ 12

REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 15

ADJUSTMENT ................................................................................................................................................................. 17

BLOCK DIAGRAM ........................................................................................................................................................... 21

SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 24

VOLTAGE ........................................................................................................................................................................ 48

NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 49

TYPES OF TRANSISTOR AND LED................................................................................................................................49

WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 50

TROUBLESHOOTING ..................................................................................................................................................... 51

FUNCTION TABLE OF IC................................................................................................................................................ 55

FL DISPLAY ...................................................................................................................................................................... 68

REPLACEMENT PARTS LIST/EXPLODED VIEW

PACKING OF THE SET (FOR U.S.A. ONLY)

MINI COMPONENT SYSTEM

MODEL CD-DD4500

• In the interests of user-safety the set should be restored to its

original condition and only parts identical to those specified be

used.

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

CD-DD4500 Mini Component System consisting of

CD-DD4500 (main unit), CP-DD4500 (Front), center

(GBOXS0064AWM1), surround (R) (GBOXS2008AWM1) and

surround (L) (GBOXS4008AWM1) speaker system.

Manufactured under license from Dolby Laboratories.

"Dolby", "Pro Logic" and the double-D symbol are trademarks of Dolby Laboratories.

Summary of content (88 pages)

PAGE 1
CD-DD4500 SERVICE MANUAL No. S7144CDDD4500 MINI COMPONENT SYSTEM MODEL CD-DD4500 CD-DD4500 Mini Component System consisting of CD-DD4500 (main unit), CP-DD4500 (Front), center (GBOXS0064AWM1), surround (R) (GBOXS2008AWM1) and surround (L) (GBOXS4008AWM1) 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. Manufactured under license from Dolby Laboratories.
PAGE 2
CD-DD4500 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) BEFORE RETURNING THE AUDIO PRODUCT (Fire & Shock Hazard) Before returning the audio product to the user, perform the following safety checks. 1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the audio product. 2.
PAGE 3
CD-DD4500 NAMES OF PARTS CD-DD4500 Front panel 7 1. Disc Tray 2. Surround Effect Buttons 3. Timer Set Indicator 4. Power On/Stand-by Button 5. Tape 2 Cassette Compartment 6. Tape 1 Cassette Compartment 7. Equalizer Mode Select Button 8. Volume Control 9. Extra Bass/Demo Mode Button 10. Disc Tray Open/Close Button 11. Disc Number Select Buttons 12. Disc Skip Button 13. Tuning and Time Up Button 14. CD or Tape Stop Button (with Indicator) 15. CD Button 16. Tuner (Band) Button 17. Tape (1 2) Button 18.
PAGE 4
CD-DD4500 CD-DD4500 Rear panel 1. DVD Digital Input Jack 2. Center Speaker Jacks 3. Surround Speaker Jacks 4. FM/AM Loop Antenna Jack 5. Video/Auxiliary (Audio Signal) Input Jacks 6. Speaker Terminals 7. Subwoofer Pre Output Jack 8. AC Power Cord 1 2 3 4 5 6 7 8 Remote control 1. Remote Control Transmitter 2. CD Memory Button 3. Set Up Menu Select Buttons 4. Menu Button 5. Item Button 6. Disc Number Select Buttons 7. CD Random Button 8. CD Pause Button 9. CD Fast Reverse/Preset Down Button 10.
PAGE 5
CD-DD4500 Front Speaker CP-DD4500 Front speaker (left) 1. Woofer 2. Tweeter 3. Subwoofer 4. Speaker Wire for SUBWOOFER Terminals 5. Bass Reflex Duct 6. Speaker Wire for MAIN Terminals 1 4 5 6 2 3 Front speaker (right) 1 4 5 6 2 3 Center Speaker GBOXS0064AWM1 1. Full-Range Speaker 2. Speaker Wire 1 2 Surround Speaker GBOXS2008AWM1 GBOXS4008AWM1 1 1. Full-Range Speaker 2.
PAGE 6
CD-DD4500 Setting the Clock OPERATION MANUAL 4 Press the TUNING/TIME ( or ) button to adjust the hour and then press the MEMORY/SET button. Press the TUNING/TIME ( or ) button once to advance the time by 1 hour. Hold it down to advance continuously. When the 12-hour display is selected, “AM” will change automatically to “PM”. 5 Press the TUNING/TIME ( or ) button to adjust the minutes and then press the MEMORY/SET button. Press the TUNING/TIME ( or ) button once to advance the time by 1 minute.
PAGE 7
CD-DD4500 Troubleshooting Chart Many potential “problems” can be resolved by the owner without calling a service technician. If something is wrong with this product, check the following before calling your authorized SHARP dealer or service center.
PAGE 8
CD-DD4500 Troubleshooting Chart Clearing all the memory (reset) 1. 2. Press the POWER button to enter the power stand-by mode. While pressing down the / button and X-BASS/DEMO button, press the POWER button until “CLEAR AL” appears. Caution: This operation will erase all data stored in memory including clock, timer settings, tuner preset, CD program, and other set-up details. When TIMER indicator is flashing The unit will be overheated when TIMER indicator is flashing.
PAGE 9
FM/AM loop antenna × 1 Antena de cuadro de FM/AM × 1 1 Remove the battery cover. Extraiga la cubierta de las pilas. 2 Insert the batteries as shown. Inserte las pilas como se muestra. 3 Vuelva a colocar la cubierta. Replace the cover. Batteries are not included. Las pilas no están incluidas.
PAGE 10
4 Digital cord (not supplied) Cable digital (no suministrado) DVD player Reproductor DVD RCA cord (not supplied) Cable RCA (no suministrado) To the line output jack A la toma de salida de línea External unit Connections Conexiones de unidades externas Speaker with a built-in amplifier Altavoz con amplificador incorporado VCR Videograbadora TV TV 5 Center Central Same distance Misma distancia Center Central – 10 – Example: When installed vertically Ejemplo: Cuando se instalan verticalmente 23-
PAGE 11
Press the X-BASS/DEMO button to cancel the demonstration mode. Pulse el botón X-BASS/DEMO para cancelar el modo de demostración. – 11 – 3” (8 cm) 8 cm 5” (12 cm) 12 cm 6 5 4 3 2 1 2 Press the POWER button to turn the power on. Pulse el botón POWER para conectar la alimentación. / button to start playback. Pulse el botón / para iniciar la reproducción. Press the Para seleccionar el disco CD que desee escuchar primero, pulse uno de los botones 1 - 3.
PAGE 12
CD-DD4500 DISASSEMBLY CD-DD4500 Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take cassette tape and compact disc out of the unit. 2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit. 3. Take off nylon bands or wire holders where they need to be removed when disassembling the unit.
PAGE 13
CD-DD4500 Clamp Lever (G2) x 1 Headphones PWB (G1) x 2 ø3 x 6mm CD Player Unit (Top View) (G1) x 2 ø3 x 10mm (G3) x 1 Push Push Front Panel Cam Gear Rib Amp. B PWB (G3) x 1 Push Push Figure 13-1 (H1) x 3 ø3 x 8mm Amp. A PWB (D1) x 4 ø3 x 10mm Figure 13-4 (C4) x 1 (D2) x 2 (J3) x 1 Dolby PWB Display PWB Main PWB Rear Panel (J1) x 1 (J2) x 13 ø3 x 10mm Tape Mechanism (D1) x 1 ø3 x 10mm Open (K1) x 5 ø3 x 10mm Amp.
PAGE 14
CD-DD4500 (N1) x 3 CP-DD4500 STEP 3 2 REMOVAL PROCEDURE FIGURE 1 Subwoofer 1. Front Panel ............ (A1) x1 2. Screw ..................... (A2) x4 14-4 14-5 2 Woofer 1. Screw ..................... (B1) x4 14-5 3 Tweeter 1. Screw ..................... (C1) x2 14-5 1 (A1) x 1 (N1) x 3 CD Player Unit Screwdriver Figure 14-1 (P1) x 1 ø3 x 8mm Slide Chassis CD Servo PWB Driver should be pried away from Speaker Box.
PAGE 15
CD-DD4500 REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION TAPE 2 Perform steps 1 to 8 and 10 of the disassembly method to remove the tape mechanism. Clutch Ass'y Record/Playback Head How to remove the record/playback and erase heads (TAPE 2) (See Fig. 15-1) 1. When you remove the screws (A1) x 2 pcs., the recording/ playback head and three-dimensional head of the erasing head can be removed. Erase Head How to remove the playback head (TAPE 1) (See Fig. 15-2) (A1)x2 Ø2 x 9mm 1.
PAGE 16
CD-DD4500 CD MECHANISM SECTION Loading Motor Perform steps 1, 2, 3, 12, 13, 14 and 15 of the disassembly method to remove the CD mechanism. Loading Motor PWB Slide Chassis How to remove the loading motor (See Fig. 16-1) (A1) x 1 (A1) x 2 1. Bend the hooks (A1) x 5 pcs., to remove the loading motor. 2. Remove the drive belt (A2) x 1 pc. (A1) x 2 Loading Pulley Motor Drive Belt (A2) x 1 Figure 16-1 How to remove the pickup (See Fig. 16-2) Stop Washer (B3) x 2 (B1) x 1 ø2.6 x 6mm 1.
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CD-DD4500 ADJUSTMENT MECHANISM SECTION • FM mute level adjustment FM signal oscillator Frequency 1 kHz, 22.5 kHz • Driving Force Check Torque Meter Specified Value Play: TW-2111 Tape 1: Over 80 g Tape 2: Over 80 g Frequency Adjusting method Adjusting object 98.0 MHz 26 dB(EMF) VR351 • Torque Check Torque Meter Adjusting object Input: CNP301 Output: Speaker Terminal Specified Value Tape 2 Tape 1 Play: TW-2111 30 to 80 g.cm 30 to 80 g.cm Fast forward: TW-2231 — 70 to 180 g.
PAGE 18
CD-DD4500 CNP301 FM/AM LOOP ANTENNA MAIN PWB T302 FE301 R345 AM TRACKING fL TP301 AM BAND COVERAGE fL VR351 FM MUTE LEVEL T306 T351 R350 TP302 AM IF Figure 18-1 ADJUSTMENT POINTS CD SECTION • Adjustment Since this CD system incorporates the following automatic adjustment functions, readjustment is not needed when replacing the pickup. Therefore, different PWBs and pickups can be combined freely. Each time a disc is changed, these adjustments are performed automatically.
PAGE 19
CD-DD4500 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. C D T E S T IL isn't done OPEN/CLOSE operation is using manual. << >>, << >> buttons make pick's slide possible. <> key input. Do TOC IL. Do normal play. When these following key is input into PLAY key, track number can be appoint directly. <> key input.
PAGE 20
CD-DD4500 Standard Specification of Stereo System Error Message Display Contents Error Contents DISPLAY Output while Device Protection Operation. TIMER LED While in Protect Circuit Operate. FLASHING Over Current Detection. DC Detection. TAPE Mechanism Error. 'ER-TA**' Notes 00: Tape Mechanism Error. 01: Initial Error. 02: 03: CD/VCD Pickup Mechanism Error. 'ER-CD**' 00: Pickup Mechanism Error. 01: PU-IN SW Detection NG. 02: 03: 04: CD Changer Mechanism Error. 'ER-CD**' 10: Changer Error.
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CD-DD4500 OC.
PAGE 22
CD-DD4500 +B4 10.7 MHz FM CNP301 23 21 9 8 17 13 VCO 5 IC303 LA1832S FM IF DET./FM MPX./AM IF FM/AM OUT MPX IN FM/AM R L 12 16 14 15 18 7 DI CE 22 15 16 11 3 20 1 CLK X352 4.
PAGE 23
CD-DD4500 +B5 FL701 FL DISPLAY 6 3 18 29 19 14 13 58 56 53 VDD 1 4 LCK Q701 Q702 Q703 Q704 Q705 Q706 VF2 VSS 1 VF1 IC702 BU2092F INPUT/OUTPUT EXPANDER -VF +B5 79 60 X2 JOG_0 JOG_1 REMOCON DI 16 17 25 26 27 DO PSEANA 1 3 KEY 7 5 9 18 LCK1 49 X1 IC701 IX0442AWZZ SYSTEM MICRCOMPUTER CLK VDD 86 VLOAD 87 CE AVDD 28 29 30 31 92 93 100 LCK2 48 4 LCK ERSET 42 Q707 VSS 1 IC181 BU2092F INPUT/OUTPUT EXPANDER +B5 IC907 KIA4558P OPE AMP.
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CD-DD4500 A PICKUP UNIT 6 R14 1K R15 1K 5 4 TO 7 3 2 1 IC2 M63001FP – + F – + + – + – + – VCC4 M+ M– VCC3 SP– SPO SP+ VCC2 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 LD_M+ C41 100/10 G H • NOTES ON SCHEMATIC DIAGRAM can be found on page 49. 1 2 3 4 Figure 24 SCHEMATIC DIAGRAM (1/14) – 24 – 5 R41 LDD R42 LDS 1.
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CD-DD4500 100P C28 100P C27 0.022 8 DO DI CL CE FD 9 8 7 6 5 4 3 2 1 CNS606 CNP7 FROM MAIN PWB P26 6-H CNS7 1 DGND 1 DIGITAL 2 OUT C48 0.022 9 2 CNP501 TO DOLBY PWB P32 1-B Q2 KTC3203 Y 1 D2 D1SS133 3 2 1 40 41 42 LD_M+ LD_M– C18 100/10 R45 470 R47 100 ZD2 DZ3.9BDB D1 D1SS133 BI4 R46 470 R23 220 R20 10K VCC4 BI703 1 2 3 4 5 6 7 8 9 BI7 C51 0.022 C14 100/10 C13 0.
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CD-DD4500 TO DOLBY PWB P33 12-D 1 1 15 FFC602 1 A TO DOLBY P33 CNP503 CNP502 12 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 12 11 10 9 8 7 6 5 4 3 2 1 CNP602 SW A_GND CENTER A_GND R_S A_GND L_S D_GND D_5V A_10V CK DIO DDAC DDLAT DDCE LOCK RESET DD_STATUS A-13V A_GND L_F A_GND C R_OUT A_GND L_OUT A_GND R_F MAIN PWB-A (1/2) -B CE DI CLK +B C189 C190 0.022 0.
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CD-DD4500 TO DOLBY PWB P33 12-B CNP503 12 FFC607 1 CL2 28 R_TRE 25 19 L_BASS3 R_BASS3 24 20 L_BASS2 R_BASS2 23 21 L_BASS1 R_BASS1 22 C195 0.33 IC602 M62446FP 6-CH ELECTRONIC VOLUME C673 0.022 DZ7.5BSC ZD602 DZ7.5BSC C686 47/25 C688 0.022 C893 0.001 C671 47/25 ZD601 C690 10/16 5 R688 1K R686 1K R692 15K C694 2.2/50 C665 2.2/50 C656 3.3/50 Q601 KTA1271 Y-B C199 0.0082 CR2 26 18 L_TRE C194 C197 0.33 0.015 R632 10K R631 10K B CR1 27 C196 BYPASS_L 0.
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CD-DD4500 +B A P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 NP F1 F1 F1 NP NP G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 FL701 FL DISPLAY 6 7 8 9 10 11 12 13 14 15 16 17 18 19 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 RD85 RD84 RD83 RD82 RD81 RD80 100K 100K 100K 100K 100K 100K 1 2 3 B +B C701 47/50 FFC701 1 CNP701 VF1 VF2 –VF R762 22K C724 RD53 33K +B RD55 470K -B RD56 33K RD51 100 RD57 220K 2 – 3 + 4 1
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CD-DD4500 P20 P21 P22 P23 P24 P25 NP NP F2 F2 F2 +B 56 57 58 ATT VOL_LAT KARA_LAT LED709 4204S.T7 R750 R749 R748 R747 R746 R745 R744 R743 2 CNP702 T_MOT RD87 3.3K RD86 3.3K +B T1_SOL R774 4.7K +B RD91 3.3K T2_SOL JOG701 JOG VOLUME 1 3 C712 47/25 +B Q708 KTA1271 Y C711 B 0.001 A +B Q710 KTA1273 Y +B C709 0.022 T2 RUN GND T2 PLAY 1 2 3 4 5 6 7 8 PH SOLENOID 1 2 3 4 5 6 7 8 F.
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CD-DD4500 AC POWER SUPPLY CORD AC 120 V 60 Hz TRANSFORMER PWB-D3 L802 LINE FILTER A C880 0.0047 RY801 F801 6.3A/125V D880 DS1SS133 T802 SUB TRANSFORMER B D883 1N4004S D882 1N4004S +B D C882 470/35 IC880 KIA7805AP CONSTANT VOLTAGE REGULATOR DZ802 DZ2.4BSB D881 1N4004S 1 2 3 +B C883 1000/6.3 D809 1N4004S –VF VF2 VF1 P_IN R822 56(1/2W) +B R821 56(1/2W) +B(+9V) +B GND +B +B -B R882 47K D811 1N4004S +B(18V) R817 12K R819 47 R816 47K +B -B 1 2 3 4 5 BI802 DZ804 DZ6.
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CD-DD4500 BI403 GND GND 4 3 2 1 SURROUND SPEAKER L-ch CENTER SPEAKER CNS403 4 3 2 1 SURROUND SPEAKER R-ch SOC401 SPEAKER JACK TO AMP. A PWB P35 11-G CNP904 R456 4.7K L402 Z0137 L401 Z0137 L403 Z0137 –B1 +B1 R427 4.7K R428 D406 4.7K DS1SS133 D405 DS1SS133 R425 4.7 C413 0.1(ML) R426 4.7 C414 0.1(ML) R451 4.7 C437 0.1(ML) 56K R424 R423 56K 56K 56K C435 47/50 Q410 KTC3199 GR D404 DS1SS133 SP_DET 8 9 LS-CH A_GND C401 0.001 R401 2.2K 8.2K R419 0.
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CD-DD4500 A +B GND VCC D506 1SS133 R521 1K FM SIGNAL L512 100mA +B C7013 0.022 D508 1SS133 CX03 0.022 1 2 3 4 5 6 7 IC502 74VHC00F INVERTOR 14 13 12 11 10 9 8 C503 D501 C507 C512 OUT GND +B D507 1SS133 1 2 3 L500 10µH 0.1 1SS133 10/16 0.1 C7014 0.001 CX02 0.022 B L501 0.82µH 1 2 10/16 2 +B D500 1SS133 L513 100mA CNP501 C501 1 IC501 TORX178B DIGITAL 2 OUT +B 0.
PAGE 33
CD-DD4500 +B IC571 TA48M033F(S) 3.3 V VOLTAGE REGULATOR +B 1 C571 47/16 +B D513 1SS133 C555 0.1 L570 0.82µH R541 10K R573 4.7K R537 4.7K +B R542 10K R540 10K +B DZ571 MTZJ5.6A +B 0.015 0.015 0.015 0.015 0.015 C550 C549 C548 C547 C546 27K 27K 27K 27K 27K 27K R552 R553 R554 C551 0.
PAGE 34
FROM MAIN PWB P27 12-D C963 1/50 R997 22K 3 1 CNP902 CNS406 FROM AMP. B PWB P31 9-H 1 2 3 4 5 6 2 20ATT FAN_CTL SP_DET SMUTE M_12V FAN_SIG FAN_SIG R1051 220K 1K + C935 220P R941 C931 15P 3 R939 1K R951 C997 1K 2.2/50 14 15 C9 10 Q914 Q913 2 KRA107 M KRA107 M AMP. A PWB-D2 FM SIGNAL G H • NOTES ON SCHEMATIC DIAGRAM can be found on page 49.
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CD-DD4500 FW901 4 R961 0.1(1W) C940 0.022 3 – + R-CH 4 8 9 12 R1017 100 R1013 22K C978 100/50 13 5 R1015 100 5 11 R964 10K 10 Q910 KTC3199 GR C984 100/50 4 D902 DS1SS133 + 6 R-CH 4 1 2 3 4 1 RY902 R973 56K JK701 HEADPHONES CNP703 L702 2.2µH 1 R742 22K R974 56K D901 DS1SS133 L-CH L-CH R970 R969 1K Q909 1K KTC3199 GR SP_DET 7 – R963 10K R962 0.1(1W) C939 0.022 SUB (40W x 2) H/P_SW R-CH A_GND L-CH H/P C944 0.1(ML) R978 4.7 Q920 KTC3199 GR C945 0.1(ML) R979 4.
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CD-DD4500 A T302 AM TRACKING T306 AM OSC. D301 DS1SS133 B C361 0.022 24 23 R336 10K 3 2 1 22 21 2 FM AFC AM RF IN VSM R323 68K AM OSC OUT FM IF IN AM OSC IN AM MIX OUT REG C334 15P(UJ) AM BAND COVERAGE fL R351 5.6K C C335 330P C337 0.022 CNP301 3 2 1 L353 1mH C339 100P(CH) AM LOOP ANTENNA FM FM MUTE LEVEL VD301 SVC348S D302 DS1SS133 R386 1K C323 AM ANT. 0.022 R358 8.2K C332 0.022 C362 3.3/50 C330 12P(UJ) C343 33P(CH) VR351 10K(B) C338 0.001 C342 0.022 C331 0.
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CD-DD4500 MAIN PWB-A (2/2) FM SIGNAL AM SIGNAL C342 0.022 C367 1/50 IF OUT MPX IN PHASE R-CH OUT L-CH OUT PHASE (FM/AM) MO/ST 9 10 11 C358 12 1/50 C398 100/10 C399 0.022 CF351 C354 0.022 C357 2.2/50 C356 0.001 C355 22P (CH) R355 3.3K R354 3.9K R359 1.8K C376 0.022 1 2 3 4 5 ZD351 DZ5.1BSB 7 8 9 10 11 6 +B R395 47K R360 4.7K D352 DS1SS133 R372 1K R373 1K C395 0.022 R392 390 C386 330P R376 1K R374 1K R389 3.9K 17 16 15 14 13 12 C382 15P(CH) C384 0.
PAGE 38
CD-DD4500 TO DOLBY PWB P44 1-E CNP503 36 R395 D352 C395 C396 R355 C372 C366 ZD351 C355 C356 R354 C376 R607 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 CNP602 Q602 C391 R665 C649 R642 CNP603 ZD601 C650 C641 1 2 3 4 5 6 C683 Q893 R683 E C B R896 C667 MAIN PWB-A Q859 C698 Q892 C892 C668 C862 R890 B C E CNP901 B C 2 19 18 171615 14131211 10 9 TO AMP.A PWB P43 12-E 3 4 Figure 38 WIRING SIDE OF P.W.
PAGE 39
CD-DD4500 TO DISPLAY PWB P41 11-A CNP701 36 1 12 C372 R107 R105 C105 7 6 5 4 3 2 1 CNP102 C154 B R101 P47 10-F FROM TAPE 1 PLAYBACK HEAD R164 R160 C111 C113 R125 P47 11-E FROM TAPE 2 RECORD/ PLAYBACK ERASE HEAD R167 CNS606 RD 1 GY 2 WH 3 R183 R182 R181 R857 C856 B C647 2 C183 R186 C858 C859 3 RP851 9 R172 R171 R171 R855 R174 R175 R193 R634 C648 ZD601 C650 C641 1 R184 R185 R173 R179 Q601 R643 E IC851 C860 R133 IC181 5 E C B C643 C642 C 1 15 C181 R644 B R
PAGE 40
CD-DD4500 CNP8 1 2 3 4 5 6 7 8 9 CNS703 9 8 7 6 54 3 2 1 1 2 3 6 7 8 9 1011121314151617 181920 B Q705 E C B Q704 E C B B C E Q706 R761 R751 R752 R753 R755 R754 R783 R767 Q703 E C B Q702 E C B C713 R709 R763 C707 R792 SW709 DISC 2 RD10 CNP702 8 6 4 2 7 5 3 1 C712 B C E RD36 RD42 SW716 EQUALIZE B C E R781 B C E R775 SW711 DISC SKIP RD34 D707 SW710 DISC 3 R774 F RD43 D706 JOG701 C710 Q709 C711 RD35 1 C721 C720 RD52 SW715 X-BASS 18 SW733 VIDEO Q708 RD37 RD65 RD06 SW70
PAGE 41
CD-DD4500 CNP601 TO MAIN PWB P39 8-A FFC701 56 57 58 R793 36 RD87 RD86 RD91 RD90 1 RD80 RD81 RD85 RD84 RD83 RD82 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 R757 R756 1920 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 80 10 60 IC701 25 35 C755 R711 708 R712 C705 C704 30 R790 C701 SW701 POWER R748 R789 D702 D701 R738 R739 3 2 1 C739 D703 SW732 TUNING UP SW714 DIMMER RD01 D704 R765 C738 R764 D705 C715 Q707 SW702 CLOCK RD02 RD27 Q712 R7
PAGE 42
CD-DD4500 AC POWER SUPPLY CORD AC 120 V/60 Hz TRANSFORMER PWB-D3 T802 SUB POWER TRANSFORMER A B L802 D884 D883 D882 D881 C881 F801 6.3A/125V T801 MAIN POWER TRANSFORMER C882 C IC880 3 2 C880 1 D885 T.F. RY801 C883 C884 C885 D Q880 R882 B C E R883 D880 R812 CNP802 1 2 3 4 5 R813 DZ802 E RD WH GY WH GY CNS802 1 2 3 4 5 5 1 F806 2A/125V BI802 F R818 D807 R819 F805 6.3A/125V F804 6.
PAGE 43
CD-DD4500 AMP.
PAGE 44
CD-DD4500 B17 FROM CD SERVO PWB P46 6-C CNS7 1 2 1 CX03 7 L513 L512 C507 Q503 3 2 1 IC501 C504 C512 R521IC502 1 14 C514 C508 C515 2 1 1 44 C531 C533 R556 D510 C538 2 3 1 F BI501B D511 IC571 C530 C573 TO MAIN PWB P38 5-A C517 C518 C554 E C577 C552 C578 R538 C558 Q572 R577 B C Q520 C576 R574 C553 C559 R541 R540 R578 2 3 2 1 DZ571 C525 L505 L506 BI501A 1 C526 C524 C574 C528 R519 R542 CNP607 R508 C523 R510 31 R511 C527 C519 R512 R509 R514 L570 12 50
PAGE 45
CD-DD4500 SOC401 SPEAKER JACK SURROUND SPEAKER R-CH CENTER SPEAKER R445 L402 R456 E B C435 E C R426 Q412 C414 C412 C429 R440 C428 C425 C445 R413 E C B R441 R439 R438 DZ404 E C B GREEN BL BLUE VL VIOLET GRAY WHITE BK BLACK PK PINK R443 GY WH(W) R484 R478 R486 Q422 Q424 B C Q423 YELLOW B C E R473 DZ403 R471 C455 C456 R477 D410 R479 D409 E C B YL GR R476 R472 3 2 1 ORANGE C462 R437 R481 Q421 RED OR C427 C442 Q420 BROWN RD(R) R442 C410 C431 E C B 6 C
PAGE 46
CD-DD4500 P40 4-A FROM DISPLAY PWB CD SERVO PWB-C CNS703 P39 12-D FROM MAIN PWB CNS606 3 9 8 7 6 5 4 3 2 1 ZD1 C28 R22 R32 R33 R35 R34 C6 80 1 R2 XL1 70 75 5 45 IC1 30 35 40 2 C11 C10 C40 IC2 25 1 BI7 1 2 R20 R18 R30 CNP4 6 5 4 3 2 1 CNP3 6 5 4 3 2 1 4 R46 R45 42 2 6 2 1 CNP501 TO DOLBY PWB P44 4-A Q3 3 D2 D1 22 C41 BK 1 WH 2 CNS7 R17 5 C9 10 9 R13 R14 R15 R16 R44 15 12 10 C13 20 21 C12 C39 30 1 20 41 40 35 15 25 R1 R6 R3 R65 21 R43 65 55 50 R2
PAGE 47
CD-DD4500 P40 4-H TO DISPLAY PWB TAPE MECHANISM ASSEMBLY CNP702 FFC702 1 SW TAPE MECHANISM PWB-F 8 SW 1 3 5 7 2 4 6 8 SW SW PH 1 2 SOLENOID + - SOLENOID TAPE MOTOR TAPE 1 PLAYBACK HEAD TAPE 2 BL PK GR PK WH BK YL WH WH BK RECORD/PLAYBACK HEAD ERASE HEAD GR PK WH BK BL YL WH BK PK WH BK GR 7 6 5 4 3 2 1 3 2 1 CNP102 P39 11-B TO MAIN PWB CNP101 P39 11-C TO MAIN PWB CNS4 CD LOADING MOTOR PWB-E WH BK WH BK WH RD 6 5 4 3 2 1 COLOR TABLE M3 T/T UP/DOWN LOADING MOTOR 6
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CD-DD4500 VOLTAGE 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 31 32 33 34 35 36 37 38 39 40 IC1 VOLTAGE PIN NO. 1.6 V 41 42 1.0 V 43 1.6 V 44 1.8 V 45 3.3 V 46 0V 47 1.6 V 48 1.6 V 49 1.6 V 50 1.6 V 51 1.6 V 52 1.6 V 53 1.5 V 54 1.5 V 55 1.5 V 56 1.5 V 57 0.8 V 58 3.2 V 59 0V 60 1.6 V 61 1.6 V 62 1.6 V 63 1.6 V 64 0V 65 0V 66 3.2 V 67 0V 68 0V 69 0V 70 0V 0V 71 0V 72 0V 73 0V 74 1.6 V 75 0V 76 0V 77 3.2 V 78 3.2 V 79 0V 80 VOLTAGE 1.7 V 1.7 V 1.8 V 2.1 V 2.
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CD-DD4500 NOTES ON SCHEMATIC DIAGRAM • Resistor: To differentiate the units of resistors, such symbol as K and M are used: the symbol K means 1000 ohm and the symbol M means 1000 kohm and the resistor without any symbol is ohm-type resistor. Besides, the one with “Fusible” is a fuse type. • Capacitor: To indicate the unit of capacitor, a symbol P is used: this symbol P means pico-farad and the unit of the capacitor without such a symbol is microfarad.
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CD-DD4500 WAVEFORMS OF CD CIRCUIT Stopped CH1=500 mV DC 10:1 CH3=500 mV DC 10:1 T 1 IC1 21 Stopped CH1=200 mV DC 10:1 500 ms/div (500 ms/div) NORM:20 kS/s IC1 20 1999/04/07 09:51:15 500 ms/div (500 ms/div) NORM:20 kS/s FDO T 1 TDO 2 T CH2=500 mV DC 10:1 3 FDO 1 IC1 21 2 6 IC1 22 1 SPDO CH1 v/DIV 500 mV =Filter= Smoothing : ON BW : FULL =Offset= CH1 : 0.000 V CH2 : 0.0 V CH3 : 0.000 V CH4 : 0.
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CD-DD4500 TROUBLE SHOOTING 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. Remove the cabinet and follow the trouble shooting instructions.
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CD-DD4500 Stopped CH1=500 mV DC 10:1 (1) Focus-HF system check. Although a CD is inserted and the cover is closed, "NO DISC" is displayed. CH3=500 mV DC 10:1 T 500 ms/div (500 ms/div) NORM:20 kS/s FDO 1 Press the OPEN/CLOSE switch (SW1) without inserting a disc, and try starting the playback operation. TDO 3 CH1 v/DIV 500 mV =Filter= Smoothing : ON BW : FULL =Offset= CH1 : 0.000 V CH2 : 0.0 V CH3 : 0.000 V CH4 : 0.
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CD-DD4500 (2) Tracking system check. Check the TE waveform at pin 15 on IC1. If the waveform shown in Figure 53-1 appears and soon after NO DISC appears ? Yes The tracking servo is not activated. Check the peripheral circuits at pins 14, 15 and 20 on IC1, and CNS1A/B. Yes A normal jump operation cannot be completed or the beginning of the track cannot be found. Check the around pin 20 on IC1. No "Initialization" is possible, but play is not possible ? No "Initialization" is not possible.
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CD-DD4500 (4) PLL system check. Stopped CH1=500 mV DC 10:1 CH3=1 V DC 10:1 1999/04/05 17:33:17 CH4=1 V 500 ms/div (500 ms/div) DC 10:1 NORM:20 kS/s PDO1 When a disc is loaded, start play operation. 3 4 The HF waveform is normal, but the TOC data cannot be read. PDO2 T FDO 1 Check the PDO waveform. (Figure 54-1) CH1 v/DIV 500 mV =Filter= Smoothing : ON BW : FULL =Offset= CH1 : 0.000 V CH2 : 0.0 V CH3 : 0.00 V CH4 : 0.
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CD-DD4500 FUNCTION TABLE OF IC IC1 VHiLC78645NE1: CD Servo (LC78645NE) (1/2) Pin No. Terminal Name Input/Output Setting in Reset 1 SLC0 Output — 2 SLCIST Input — 3 EFMIN Input — 4 RF Output — 5 RFVDD Input — RF power terminal. 6 RFVSS — — RF earth terminal. To be connected to 0 V. 7 FIN1 Input — A+C signal input terminal. 8 FIN2 Input — B+D signal input terminal. 9 TIN1 Input — E signal input terminal. 10 TIN2 Input — F signal input terminal.
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CD-DD4500 IC1 VHiLC78645NE1: CD Servo (LC78645NE) (2/2) Pin No. Terminal Name Input/Output Setting in Reset 44 RVSS — — 45* RCHO Output LVDD /2 46 RVDD Input — 47 XVDD Input — 48 XOUT Output — 49 XIN Input — 50 FSX/16MIN Input/Output Input 51 XVSS — — 52* C2F Output H C2 FLAG monitor port. 53* EFLG Output L C1, C2 error corrected monitor port.
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CD-DD4500 LDD LDS FR VVDD PCKIST VVSS PD02 PD01 CONT1 CONT2 CONT3 VSS VDD5 DRF *RES *WRQ DO DI CL CE IC1 VHiLC78645NE1: CD Servo (LC78645NE) 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 SLC0 1 60 DATA SLCIST 2 59 DATACK EFMIN 3 58 LRSY RF 4 57 ASDFIN RFVDD 5 56 ASDACK RFVSS 6 55 ASLRCK FIN1 7 54 16MOUT FIN2 8 53 EFLG TIN1 9 52 C2F TIN2 10 51 XVSS LC78645NE VREF 11 50 FSX/16MIN REFI 12 49 XIN 35 36 37 FIN1 + – FIN2 + –
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CD-DD4500 IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) (1/2) Pin No. Terminal Name Input/Output Function 1 RST Input 2* MIMD Input Microcomputer I/F mode select input terminal. (L: serial, H: I2C bus) 3 MICS Input Microcomputer I/F chip select input terminal. 4 MILP Input Microcomputer I/F latch pulse input. 5 MIDIO Input/Output 6 MICK Input 7 MIACK 8* FI0 Input Flag input terminal 0. 9* FI1 Input Flag input terminal 1. 10* FI2 Input Flag input terminal 2.
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CD-DD4500 IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) (2/2) Pin No. Terminal Name 52 CE 53 VDD Input 54 IO7 Input/Output External SRAM data I/O terminal 7. 55 IO6 Input/Output External SRAM data I/O terminal 6. 56 IO5 Input/Output External SRAM data I/O terminal 5. 57 IO4 Input/Output External SRAM data I/O terminal 4. 58 IO3 Input/Output External SRAM data I/O terminal 3. 59 IO2 Input/Output External SRAM data I/O terminal 2.
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– 60 – Figure 60 BLOCK DIAGRAM OF IC MIACK /MICK MIDIO /MILP /MICS MIMD /RST LOCK RX LRCK/BCK SDOn SDin IRQ 2 4 MICROCOMPUTER I/F TIMER DIR AUDIO I/F INTERRUPT CONTROL PROGRAM EXECUTE CONTROL I bus INSTRUCTION DECODER 40 bit 128 word RAM 4 kword x 3 ROM PROGRAM Y bus X bus 4 kword XRAM MX A0 MZ 4 kword CROM ROUND OFF/LIMIT A1 MY MAC X0,X1,X2 Y0,Y2,Y3 REGISTER 4 kword YRAM AX ALU AY A3 X POINTER REGISTER ROUND OFF/LIMIT A2 4 kword ERAM Y POINTER REGISTE
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CD-DD4500 IC505 RH-iX0454AWZZ: 6-CH CODEC IC (AK4527BVQ) (1/2) Pin No. Terminal Name 1 SDOS Input SDTO source select pin. (Note 1) “L”: internal ADC output, “H”: I2C DAUX input 2 I2C Input Serial control mode select pin. “L”: 3-wire serial, “H”: I2C bus 3 SMUTE Input Software mute pin. (Note 1) Software mute is started with “H” and canceled with “L”. 4 BICK Input Audio serial data clock pin. 5 LRCK Input Input channel clock pin. 6 SDTI1 Input DAC1 audio serial data input pin.
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CD-DD4500 IC505 RH-iX0454AWZZ: 6-CH CODEC IC (AK4527BVQ) (2/2) Pin No. Terminal Name 41 DIF0 Input Audio data interface format 0 pin. (in parallel control mode) CSN Input Chip select pin. (in 3-wire serial control mode) Connect it to DVDD in I2C bus control mode. DIF1 Input Audio data interface format 1 pin. (in parallel control mode) SCL/CCLK Input Control data clock pin. (in serial control mode) I2C = “L”: CCLK (3-wire serial), I2C = “H”: SCL (I2C bus) LOOP0 Input Loopback mode 0 pin.
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CD-DD4500 DI CL VDD Yref 2 1 24 23 22 CCB INTERFACE LTRE 6 20 RBASS 0.1uF CONTROL CIRCUIT CONTROL CIRCUIT LBASS 5 0.
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CD-DD4500 IC602 VHiM62446FP-1: 6-Ch Electronic Volume (M62446FP) Pin No. Terminal Name Pin No. Function Terminal Name Function 1*-4* OUT4-OUT1 Port output. 24 RBASS3 Tone bass frequency adjustment terminal. 5 AVDD Analog positive power supply terminal. 25 RTRE Tone treble frequency adjustment terminal. 6 SWin Volume input. 26 RBASS1 Tone bass frequency adjustment terminal. 7 GNDS GND terminal. 27 CR1 L/R volume input. 8 SRin Volume input. 28 CL2 Tone output terminal.
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CD-DD4500 IC701 RH-iX0422AWZZ: System Microcomputer (IX0422AW) (1/2) Pin No. Port Name Terminal Name Input/Output AVDD AVDD 2 ANI0 TUN-SM Input RDS VSM 3 ANI1 SPEANA 3 Input SPEANA data input. L, R 16 kHz 4 ANI2 SPEANA 2 Input SPEANA data input. L, R 63 Hz 5 ANI3 SPEANA 1 Input SPEANA data input. L, R 1 kHz O/C SW Input CD open/close switch. DISC NO SW Input CD disc number switch. 6 ANI4 7-9 ANI5-ANI7 10 ANI8 Input Function 1 Analog VDD.
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CD-DD4500 IC701 RH-iX0422AWZZ: System Microcomputer (IX0422AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function 51* P107/FIP47 DIST_OUT (2) Output Distination output/switch output. 52 P106/FIP46 KARAOKE LATCH Output KARAOKE IC data latch. (When not used. Connect to 0 V) 53 P105/FIP45 6-ch VOL LATCH Output 6 ch VOL IC data latch. 54 P104/FIP44 NO USE 55 P103/FIP43 SPRLY (FRONT) 56 P102/FIP42 SMUTE Output System mute control.
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CD-DD4500 IC702 VHiBU2092F/-1: Input/Output Expander (BU2092F) Pin No. Port Name Terminal Name Function Input/Output 1 VSS 2 DATA Input Serial data input. 3 CLOCK Input Shipt clock of data. 4 LCK –– Input GND Latch clock of data. 5 Q0 T_SOL B Output TAPE 2 SOLENOID control. 6 Q1 T_SOL A Output TAPE 1 SOLENOID control. 7 Q2 T_MOTOR Output Tape motor control. 8 Q3 PLAY_FWD LED Output Play forward LED. 9 Q4 STOP LED Output Stop LED.
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CD-DD4500 FL DISPLAY FL701 VVKBJ844GNK-1: FL Display 11G 13G 14G 12G S1 S1 S1 S1 S1 S1 CO 10G 1G 2G 3G 4G CO 5G 6G 7G 8G 9G S1 S2 S3 S4 a j f b h k r n m g e c p d Dp [ 1G ~ 8G ] B17 B17 B24 B21 B20 B16 B13 B12 B18 B9 B10 B21 B24 B10 B12 B13 B16 B1 B2 B2 B4 B5 B20 B9 B1 B8 B18 B8 B5 B4 [ 12G ] [ 11G ] S13 S12 S11 S13 S15 S8 S3 S7 S10 S3 S14 S9 S12 S2 S6 S2 [ 14G ] S5 S4 S5 S4 S1 S1 S6 S10 [ 13G ] S7 S8 – 68 – S9 S11
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CD-DD4500 ANODE CONNECTION P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 1G Dp d n p r e c g m – f b k j h a S4 S3 S2 S1 2G Dp d n p r e c g m – f b k j h a S4 S3 S2 S1 3G Dp d n p r e c g m – f b k j h a S4 S3 S2 S1 4G Dp d n p r e c g m – f b k j h a S4 S3 S2 S1 5G Dp d n p r e c g m co f b k j h a S4 S3 S2 S1 6G Dp d n p r e c g m – f b k j h a S4 S3 S2 S1 7G Dp d n p r e c g m co f b k j h a S4 S3 S2 S1 8G Dp d n p r e c g m – f b k j h a S4 S3 S2 S1
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CD-DD4500 –– MEMO –– – 70 –
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CD-DD4500 PARTS GUIDE MINI COMPONENT SYSTEM MODEL CD-DD4500 CD-DD4500 Mini Component System consisting of CD-DD4500 (main unit), CP-DD4500 (Front), center (GBOXS0064AWM1), surround (R) (GBOXS2008AWM1) and surround (L) (GBOXS4008AWM1) 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. No. 3. PART NO. 4. DESCRIPTION For U.S.A. only Contact your nearest SHARP Parts Distributor to order.
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CD-DD4500 NO.
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CD-DD4500 NO. L901~904 PRICE RANK PARTS CODE RCILZ0137AFZZ DESCRIPTION NO. J AA 0.29 µH J AC 10 kohm (B),Semi-VR [FM Mute Level] J AK Variable Capacitance,SVC348S J J J J J AF AH AH AK AG J J AG Posistor,0.23 ohms AK Posistor,2.
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CD-DD4500 NO.
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CD-DD4500 NO.
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CD-DD4500 NO.
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CD-DD4500 NO.
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CD-DD4500 NO.
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CD-DD4500 NO.
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CD-DD4500 CD-DD4500 701 306 A 304 306-2 701 306-1 B 704 306-3 302 C 301 702 303 D 703x2 E M1 F 305 M2 305x2 G SW4 PWB-G H 1 2 3 4 Figure 9 CD MECHANISM EXPLODED VIEW –9– 5 6
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CD-DD4500 CD-DD4500 BELT CONNECTION 202-1 PWB-A 202 PWB-H 603x2 Tape Motor FF/REW ROLLER ASS'Y 603x4 FF/REW ROLLER ASS'Y A FLYWHEEL FLYWHEEL ASS'Y ASS'Y MAIN BELT TAPE1 TAPE2 612 205 603 603 610 207 223 612x2 610x3 B 612x4 612 208 221 IC850 Q850 612x13 612x3 IC851 603x2 202-2 PWB-J Silicon Grease M901 606x13 226 258 PWB-B1 211 258-1~258-16 602x2 218 223 610 C PWB-F PWB-D4 611x2 608x5 214 609 IC902 FL701 610 603 201-19 201-10 201-14 610x2 611x2 Silicon Grease 201
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CD-DD4500 607x2 CD-DD4500 A 204 250 229 228 B 236 254 614 615x2 CD MECHANISM 237 607x2 C 249 255 234 252 D 614 PWB-C 231 240 PWB-E 243x4 M3 244 239 248 245 242 232 E 241 SW3 SW1 SW2 225 246 232 232 247 253 256 615 F 235 227 232x4 251 233 G 206 257 238 H 1 2 3 4 Figure 11 CABINET EXPLODED VIEW (2/2) – 11 – 5 6
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CD-DD4500 CP-DD4500 RD SP3,4 Woofer A C1,2 Capacitor 2.7µF,100V SP3,4 (N.P.) Woofer BK RD BK BL SP5,6 Subwoofer BK RD BK B C1,2 Capacitor 2.7µF,100V Electrolytic (N.P.
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CD-DD4500 GBOXS0064AWM1 SP1 A BK 905x4 BLACK WITH BROKEN WHITE B 906 902 C 905x4 903 901 CENTER D TAG LABEL E 904x4 SP1 RCA PIN SP1 F G H 1 2 3 4 Figure 13 SPEAKER EXPLODED VIEW (2/3) – 13 – 5 6
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CD-DD4500 GBOXS2008AWM1/GBOXS4008AWM1 SP1,2 A 905 BLACK WITH BROKEN WHITE B 902 904x6 C SP1,2 901 903 SURROUND D TAG LABEL SP1,2 E RCA PIN F G H 1 2 3 4 Figure 14 SPEAKER EXPLODED VIEW (3/3) – 14 – 5 6
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CD-DD4500 PACKING OF THE SET (FOR U.S.A. ONLY) Setting position of switches and knobs Tape Mechanism STOP Front Speaker (L/R) UNIT SPAKP0032AWZZ Polyethylene bag CP-DD4500 AR RE SSAKH0053AWZZ Polyethylene Bag TOP T ON FR SPAKA0314AWZZ Packing Add., (Top/Bottom) SPAKA0325AWZZ Packing Add.
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CD-DD4500 –– MEMO –– – 16 –
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CD-DD4500 COPYRIGHT © 2001 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.