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Sharp CD-DD4500 Service Manual
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Sharp CD-DD4500 Service Manual

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See also: Operating Manual , Quick Manual
Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are trademarks of Dolby Laboratories.
Confidential unpublished works. © 1992-1997 Dolby Laboratories. All rights reserved.
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
SERVICE MANUAL
CONTENTS

SHARP CORPORATION

- 1 -
MINI COMPONENT SYSTEM
CD-DD4500
MODEL
CD-DD4500 Mini Component System consisting of
CD-DD4500 (main unit), CP-DD4500
(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.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-DD4500
No. S7144CDDD4500
(Front), center
Page

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  • Page 1: Table Of Contents

    SERVICE MANUAL No. S7144CDDD4500 MINI COMPONENT SYSTEM CD-DD4500 MODEL 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.

  • Page 2: Important Service Notes (For U.s.a. Only)

    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.

  • Page 3: Names Of Parts

    CD-DD4500 NAMES OF PARTS CD-DD4500 Front panel 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.

  • Page 4: Rear Panel

    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 Remote control 1.

  • Page 5: Center Speaker

    CD-DD4500 Front Speaker CP-DD4500 Front speaker 1. Woofer (left) 2. Tweeter 3. Subwoofer 4. Speaker Wire for SUBWOOFER Terminals 5. Bass Reflex Duct 6. Speaker Wire for MAIN Terminals Front speaker (right) Center Speaker GBOXS0064AWM1 1. Full-Range Speaker 2. Speaker Wire...

  • Page 6: Operation Manual

    CD-DD4500 OPERATION MANUAL Setting the Clock Press the TUNING/TIME ( ) button to adjust the hour and then press the MEMORY/SET button. Press the TUNING/TIME ( ) button once to advance the time by 1 hour. Hold it down to advance continuously.

  • Page 7: Troubleshooting Chart

    Many potential “problems” can be resolved by the owner without calling a service tech- CD player nician. If something is wrong with this product, check the following before calling your authorized SHARP dealer or service center. Symptom Possible cause Is the disc loaded upside down? Playback does not start.

  • Page 8: Remote Control

    AC power cord from the AC outlet. Note: If the TIMER indicator flashes again during use, please unplug the AC power plug, and contact a SHARP authorized service center. Remote Control Test of the remote control Face the remote control directly to the remote sensor on the unit.
  • Page 9 CD-DD4500 – 9 –...
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  • Page 12: Disassembly

    CD-DD4500 DISASSEMBLY CD-DD4500 Caution on Disassembly Follow the below-mentioned notes when disassembling (A1) x 2 Top Cabinet the unit and reassembling it, to keep it safe and ensure ø3 x 12mm excellent performance: 1. Take cassette tape and compact disc out of the unit.
  • Page 13 CD-DD4500 Clamp Lever (G2) x 1 Headphones (G1) x 2 ø3 x 6mm CD Player Unit (G1) x 2 (Top View) ø3 x 10mm Front (G3) x 1 Panel Push Push Cam Gear Rib Amp. B (G3) x 1 Figure 13-1...
  • Page 14 CD-DD4500 (N1) x 3 CP-DD4500 STEP REMOVAL PROCEDURE FIGURE Subwoofer 1. Front Panel .... (A1) x1 14-4 2. Screw ..... (A2) x4 14-5 Woofer 1. Screw ..... (B1) x4 14-5 Tweeter 1. Screw ..... (C1) x2 14-5 (A1) (N1) x 3...

  • Page 15: Removing And Reinstalling The Main Parts

    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 Clutch Ass'y remove the tape mechanism. Record/Playback Head How to remove the record/playback and erase heads (TAPE 2) (See Fig. 15-1) 1.

  • Page 16: Cd Mechanism Section

    CD-DD4500 CD MECHANISM SECTION Loading Motor Perform steps 1, 2, 3, 12, 13, 14 and 15 of the disassembly Loading Slide method to remove the CD mechanism. Motor PWB Chassis How to remove the loading motor (A1) x 1 (See Fig. 16-1) (A1) x 2 1.

  • Page 17: Adjustment

    CD-DD4500 ADJUSTMENT MECHANISM SECTION • FM mute level adjustment • Driving Force Check FM signal oscillator Frequency 1 kHz, 22.5 kHz Frequency Adjusting Adjusting Torque Meter Specified Value Adjusting object method object Play: TW-2111 Tape 1: Over 80 g 98.0 MHz...
  • Page 18 CD-DD4500 CNP301 FM/AM LOOP ANTENNA MAIN PWB T302 R345 TRACKING fL TP301 AM BAND VR351 COVERAGE fL 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.

  • Page 19: Test Mode

    CD-DD4500 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 20 CD-DD4500 Standard Specification of Stereo System Error Message Display Contents Error Contents DISPLAY Notes Output while Device Protection Operation. TIMER LED While in Protect Circuit Operate. FLASHING Over Current Detection. DC Detection. TAPE Mechanism Error. 'ER-TA**' 00: Tape Mechanism Error.

  • Page 21: Block Diagram

    CD-DD4500 DISC CLAMP NUMBER OPEN/ CLOSE T/T UP DOWN LOADING TO MAIN SECTION TO DISPLAY SECTION 43 44 CONT5 LC78645E CD SERVO XOUT 17 25 CONT5 SLDO SPDO VCC1 M63001FP VCC4 FOCUS/TRACKING/ VCC2 SPIN/SLED +3.3V DRIVER VCC3 +3.3V 26 27...
  • Page 22 CD-DD4500 10.7 MHz CNP301 450 kHz X351 FE301 T351 CF303 CF352 CF351 456kHz FM FRONTEND AM IF IC303 LA1832S FM IF DET./FM MPX./AM IF FM/AM MPX IN FM/AM 23 21 AM TRACKING T306 T303 X352 4.5 MHz IC60 IC302 NJM45...
  • Page 23 CD-DD4500 FL701 FL DISPLAY Q701 Q702 Q703 IC702 Q704 BU2092F Q705 INPUT/OUTPUT Q706 EXPANDER IC701 LCK1 IX0442AWZZ SYSTEM MICRCOMPUTER LCK2 ERSET Q707 IC181 PSEANA BU2092F INPUT/OUTPUT EXPANDER XL701 4.194304MHz JOG701 IC907 IC606 KIA4558P VOLUME NJM4565M OPE AMP. RX701 SYSTEM BUFFER AMP...

  • Page 24: Schematic Diagram / Wiring Side Of P.w.board

    CD-DD4500 PICKUP UNIT CD SERVO PWB-C VREF VREF 8.2K 8.2K 0.047(ML) SLCO CNP1 SLCIST EFMIN RFVDD 0.0047 RSVSS FIN1 A 22P(CH) FIN2 B TIN1 E TIN2 F VREF 0.001 10/50 CNP2 REF1 TR– 100/10 TR– 0.22/50 RFMON FO– JITTC FO–...
  • Page 25 CD-DD4500 100P 100P 100P 100P 100P BI703 CNS703 0.022 FROM DISPLAY 2.2K P29 7-H CD RES CLAMP SW 2.2K O/C, DISC NO SLCO DATA CNP8 SLCIST DATACK EFMIN LRSY ASDFIN RFVDD ASDACK RSVSS ASLRCK FIN1 A IGMOUT LC78645NE EFLG FIN2 B...
  • Page 26 CD-DD4500 DOLBY PWB CNP503 DOLBY CNP502 P33 12-D FFC602 1 2 3 4 5 7 8 9 10 11 12 13 12 11 9 8 7 6 4 3 2 CNP602 MAIN PWB-A (1/2) FM SIGNAL PLAYBACK SIGNAL VIDEO IN SIGNAL...
  • Page 27 CD-DD4500 CNP503 DOLBY PWB P33 12-B FFC607 R677 C675 C679 1.8K 0.0082 2.2/50 R671 9 8 7 6 4 3 2 (ML) C677 CENTER R681 C681 100P CNP607 3.3K 1/50 R673 (CH) IC606 R683 NJM4565M 100K BUFFER AMP. R679 R675 3.9K...
  • Page 28 CD-DD4500 FL701 FL DISPLAY 1 2 3 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...
  • Page 29 CD-DD4500 7 48 49 50 51 52 53 56 57 58 LED709 4204S.T7 TIMER TAPE MECHANISM R778 6 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 PWB-F R741 T1_RUN LCK1 R740 R777 LCK1...
  • Page 30 CD-DD4500 AC POWER SUPPLY CORD AC 120 V 60 Hz TRANSFORMER C880 PWB-D3 0.0047 F801 6.3A/125V D880 DS1SS133 C881 0.047(ML) T.F. T801 POWER TRANSFORMER D882 D881 1N4004S 1N4004S C882 470/35 C883 1000/6.3 R812 R813 C884 220K 0.047(ML) C885 F802 F803...
  • Page 31 CD-DD4500 SOC401 SPEAKER JACK CNP904 AMP. A PWB P35 11-G CNS403 4 3 2 1 4 3 2 1 BI403 –B1 R456 R427 4.7K 4.7K R428 D406 4.7K RY401 D405 DS1SS133 DS1SS133 Q413 KTC3199 GR R425 C413 0.1(ML) R426 C414 0.1(ML)
  • Page 32 CD-DD4500 FROM CD SERVO D500 L501 1SS133 P25 12-E CNS7 0.82µH CNP501 L513 DGND 100mA DIGITAL C7014 14 13 12 11 10 0.001 L500 10µH FM SIGNAL 1 2 3 4 5 6 7 C7013 0.022 D508 R521 1SS133 C525...
  • Page 33 CD-DD4500 IC571 FFC607 CNP503 TA48M033F(S) 3.3 V VOLTAGE REGULATOR STATUS RESET C573 C571 LOCK 100/10 47/16 DDCE DDLAT C554 DDAC CNP607 C576 0.022 MAIN PWB C552 P27 7-A 10/16 R574 A10V 4.7K R540 R542 R538 C575 4.7K 100/10 DGND DZ571 R541 MTZJ5.6A...
  • Page 34 CD-DD4500 C968 IC906 C903 IC904 0.022 0.022 TC4053BP (ML) KIA4558P C969 C933 R905 OPE AMP. 47/25 4.7K R913 R901 C905 (40W 0.082 C927 R937 – R947 47/50 (ML) C901 IC904 – 0.15 C904 R1047 C902 KIA4558P 0.082(ML) 0.15 R902 R949...
  • Page 35 CD-DD4500 FW901 JK701 HEADPHONES CNP703 L702 IC902 R961 H/P_SW 2.2µH STK40270N 0.1(1W) R-CH L-CH POWRW AMP. A_GND L-CH R-CH R962 0.1(1W) RY902 C939 R973 0.022 (40W x 2) R742 R974 – L-CH C945 C944 0.1(ML) 0.1(ML) R979 R978 HEADPHONES C940 0.022...
  • Page 36 CD-DD4500 T302 AM TRACKING C342 C343 0.022 33P(CH) C331 0.047 R358 C330 8.2K 12P(UJ) C332 C338 C323 AM ANT. 0.022 0.001 0.022 FM MUTE LEVEL D302 DS1SS133 L353 T306 D301 DS1SS133 AM OSC. C339 100P(CH) LOOP C335 ANTENNA 330P C334...
  • Page 37 CD-DD4500 MAIN PWB-A (2/2) FM SIGNAL AM SIGNAL C342 C343 0.022 33P(CH) R358 8.2K R370 R363 FM MUTE 2.7K LEVEL R364 C372 2.7K R362 L353 1/50 1.8K R350 2.7K R361 C371 C367 1.8K 1/50 1/50 1 2 3 4 5 6...
  • Page 38 CD-DD4500 DOLBY PWB CNP503 P44 1-E FFC607 Q371 B C E R374 R389 3 5 7 9 11 2 3 4 5 6 7 8 9 1011 R376 IC302 2 4 6 8 10 C387 R378 R393 COLOR TABLE C381...
  • Page 39 CD-DD4500 DISPLAY PWB CNP701 P41 11-A FFC701 Q102 CNP601 R104 C124 Q101 C103 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 3 2 1 R132 C136 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36...
  • Page 40 CD-DD4500 CNP8 CD SERVO P46 3-A CNS703 1 2 3 6 7 8 9 1011121314151617 181920 C703 R751 BI703 R752 E C B Q705 RD32 R753 E C B Q704 R755 R754 Q706 R761 R783 E C B R702 Q703...
  • Page 41 CD-DD4500 TO MAIN CNP601 P39 8-A FFC701 1920 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 56 57 58 RD85 RD84 RD83 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35...
  • Page 42 CD-DD4500 AC POWER TRANSFORMER PWB-D3 SUPPLY CORD AC 120 V/60 Hz L802 C881 F801 6.3A/125V T801 MAIN POWER TRANSFORMER C882 IC880 C880 D885 T.F. C883 C884 C885 Q880 R882 R883 D880 R812 CNP802 R813 1 2 3 4 5 DZ802...
  • Page 43 CD-DD4500 SO901 SPEAKER AMP. A PWB-D2 TERMINAL SOC901 FRONT SUBWOFER SUBWOFER FRONT SUB WOOFER R-CH R-CH L-CH L-CH PRE OUT JACK R1034 C993 COLOR TABLE L902 L904 R1032 Q917 BROWN Q920 RY902 Q921 RD(R) L903 L901 ORANGE YELLOW GREEN CNS406...
  • Page 44 CD-DD4500 FROM DOLBY PWB-H CD SERVO PWB P46 6-C CNS7 D509 C7014 D507 CX02 D500 D506 D501 L500 CX03 L513 L512 DIGITAL L7002 C507 Q503 C512 IC501 C514 R501 C506 C7004 C505 R500 C7007 IC504 C7012 L511 Q505 R503 C7006...
  • Page 45 CD-DD4500 SOC401 SPEAKER JACK SURROUND CENTER SURROUND SPEAKER SPEAKER M401 SPEAKER R-CH L-CH AMP. B PWB-J FAN MOTOR Q411 Q410 RY401 L403 L401 CNS401 L402 CNP401 R456 R426 Q412 Q409 E C B R427 CNS406 R428 D406 R454 R444 R452...
  • Page 46 CD-DD4500 P40 4-A P39 12-D FROM DISPLAY PWB FROM MAIN PWB CD SERVO PWB-C CNS606 CNS703 9 8 7 6 5 4 3 2 1 CNP7 1 2 3 4 5 6 7 8 9 1 2 3 CNP8 61 60...
  • Page 47 CD-DD4500 P40 4-H TAPE MECHANISM TO DISPLAY PWB ASSEMBLY CNP702 FFC702 TAPE MECHANISM PWB-F SOLENOID SOLENOID TAPE MOTOR TAPE 1 PLAYBACK HEAD TAPE 2 RECORD/PLAYBACK ERASE HEAD HEAD 7 6 5 4 3 2 1 CNP102 P39 11-B TO MAIN PWB...

  • Page 48: Voltage

    CD-DD4500 VOLTAGE IC601 IC401 IC701 IC504 IC502 NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 3.7 V 1.5 V 0.7 V 1.6 V 4.8 V 1.0 V 3.7 V 1.5 V 3.2 V...

  • Page 49: Notes On Schematic Diagram

    CD-DD4500 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 50: Waveforms Of Cd Circuit

    CD-DD4500 WAVEFORMS OF CD CIRCUIT Stopped 1999/04/07 09:51:15 Stopped CH1=200 mV CH2=500 mV 500 ms/div CH1=500 mV CH3=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 51: Troubleshooting

    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.
  • Page 52 CD-DD4500 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 53 CD-DD4500 (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 53-1 appears and soon after Check the peripheral circuits at pins 14, 15 and 20 on IC1, and NO DISC appears ? CNS1A/B.
  • Page 54 CD-DD4500 (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 55: Function Table Of Ic

    CD-DD4500 FUNCTION TABLE OF IC IC1 VHiLC78645NE1: CD Servo (LC78645NE) (1/2) Terminal Name Input/Output Setting in Reset Pin No. Function SLC0 Output — Control output. For slice level SLCIST Input — Resistor connection terminal for SLCO output current setting. control.
  • Page 56 CD-DD4500 IC1 VHiLC78645NE1: CD Servo (LC78645NE) (2/2) Terminal Name Input/Output Setting in Reset Function Pin No. RVSS — — GND for Right channel. Must be connected to 0 V. Right channel RCHO Output LVDD /2 Right channel output. D/A converter...
  • Page 57 CD-DD4500 IC1 VHiLC78645NE1: CD Servo (LC78645NE) 75 74 72 71 69 68 66 65 63 62 SLC0 DATA SLCIST DATACK EFMIN LRSY ASDFIN RFVDD ASDACK RFVSS ASLRCK FIN1 16MOUT FIN2 EFLG TIN1 TIN2 XVSS LC78645NE VREF FSX/16MIN REFI XOUT XVDD...
  • Page 58 CD-DD4500 IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) (1/2) Pin No. Terminal Name Input/Output Function Input Hardware reset input terminal. (L: reset, R: normal operation) MIMD Input Microcomputer I/F mode select input terminal. (L: serial, H: I2C bus) MICS Input Microcomputer I/F chip select input terminal.
  • Page 59 CD-DD4500 IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) (2/2) Pin No. Terminal Name Input/Output Function Output External SRAM chip enable signal output terminal. Input Digital power supply terminal. Input/Output External SRAM data I/O terminal 7. Input/Output External SRAM data I/O terminal 6.
  • Page 60 CD-DD4500 IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) Figure 60 BLOCK DIAGRAM OF IC – 60 –...
  • Page 61 CD-DD4500 IC505 RH-iX0454AWZZ: 6-CH CODEC IC (AK4527BVQ) (1/2) Pin No. Terminal Name Input/Output Function SDOS Input SDTO source select pin. (Note 1) “L”: internal ADC output, “H”: I2C DAUX input Input Serial control mode select pin. “L”: 3-wire serial, “H”: I2C bus...
  • Page 62 CD-DD4500 IC505 RH-iX0454AWZZ: 6-CH CODEC IC (AK4527BVQ) (2/2) Pin No. Terminal Name Input/Output Function DIF0 Input Audio data interface format 0 pin. (in parallel control mode) Input Chip select pin. (in 3-wire serial control mode) Connect it to DVDD in I2C bus control mode.
  • Page 63 CD-DD4500 IC601 VHiLC75341/-1: Audio Processor (LC75341) ROUT LOUT LBASS RBASS 0.1uF 0.1uF LTRE RTRE LSEL0 RSEL0 R1 R2 24 23 22 21 20 19 18 17 16 15 14 13 LC75341 10 11 12 Figure 63 BLOCK DIAGRAM OF IC...
  • Page 64 CD-DD4500 IC602 VHiM62446FP-1: 6-Ch Electronic Volume (M62446FP) Terminal Terminal Function Function Name Name 1*-4* OUT4-OUT1 Port output. RBASS3 Tone bass frequency adjustment terminal. AVDD Analog positive power supply terminal. RTRE Tone treble frequency adjustment terminal. SWin Volume input. RBASS1 Tone bass frequency adjustment terminal.
  • Page 65 CD-DD4500 IC701 RH-iX0422AWZZ: System Microcomputer (IX0422AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function AVDD AVDD Input Analog VDD. ANI0 TUN-SM Input RDS VSM ANI1 SPEANA 3 Input SPEANA data input. L, R 16 kHz ANI2 SPEANA 2 Input SPEANA data input.
  • Page 66 CD-DD4500 IC701 RH-iX0422AWZZ: System Microcomputer (IX0422AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function P107/FIP47 DIST_OUT (2) Output Distination output/switch output. P106/FIP46 KARAOKE LATCH Output KARAOKE IC data latch. (When not used. Connect to 0 V) P105/FIP45 6-ch VOL LATCH Output 6 ch VOL IC data latch.
  • Page 67 CD-DD4500 IC702 VHiBU2092F/-1: Input/Output Expander (BU2092F) Function Pin No. Port Name Terminal Name Input/Output –– DATA Input Serial data input. CLOCK Input Shipt clock of data. Input Latch clock of data. T_SOL B Output TAPE 2 SOLENOID control. T_SOL A Output TAPE 1 SOLENOID control.

  • Page 68: Fl Display

    CD-DD4500 FL DISPLAY FL701 VVKBJ844GNK-1: FL Display S1 S2 [ 1G ~ 8G ] [ 12G ] [ 11G ] [ 14G ] [ 13G ] – 68 –...
  • Page 69 CD-DD4500 ANODE CONNECTION – – ( DIGITAL ) ( VIRTUAL ) – – – – – – – – (PRO LOGIC) – – – – – – ( 3 ) ( 2 ) ( 15 ) ( 1 ) ( 3 )
  • Page 70 CD-DD4500 –– MEMO –– – 70 –...

  • Page 71: Parts Guide

    “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;...
  • Page 72 CD-DD4500 PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK Q909~912 VSKTC3199GR-1 AB Silicon,NPN,KTC3199 GR CD-DD4500 Q913,914 VSKRA107M//-1 AE Digital,PNP,KRA107 M Q915 VSKRC107M//-1 AC Digital,NPN,KRC107 M INTEGRATED CIRCUITS Q916 VSKRA107M//-1 AE Digital,PNP,KRA107 M Q917 VS2SC2878B/-1 AC Silicon,NPN,2SC2878 B Q918~921...
  • Page 73 CD-DD4500 PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK AA 0.29 µH AA 0.0082 µF,100V,Polypropylene L901~904 RCILZ0137AFZZ C150 VCQPKA2AA822J AB 0.039 µF,50V,Mylar C151 VCQYKA1HM393K J AB 47 µF,25V,Electrolytic C152 VCEAZA1EW476M J VARIABLE RESISTOR AB 0.047 µF,50V,Mylar C154 VCQYKA1HM473K J...
  • Page 74 CD-DD4500 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 47 µF,50V,Electrolytic AB 1 µF,50V,Electrolytic C435 VCEAZA1HW476M J C681,682 VCEAZA1HW105M J AB 0.1 µF,50V,Mylar AB 0.015 µF,50V,Mylar C437 VCQYKA1HM104K J C683,684 VCQYKA1HM153K J AB 47 µF,25V,Electrolytic C442~444 VCKYBT1HB471K...
  • Page 75 CD-DD4500 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 2.2 µF,50V,Electrolytic C971 VCEAZA1HW225M J R139,140 VRS-CY1JB152J AA 1.5 kohms,1/16W AB 2.2 µF,50V,Electrolytic C972 VCEAEA1HW225M J R141,142 VRS-CY1JB101J AA 100 ohm,1/16W AB 0.022 µF,50V C973 VCKYPA1HF223Z R145,146 VRS-CY1JB103J AA 10 kohm,1/16W AA 0.001 µF,50V...
  • Page 76 CD-DD4500 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R446 VRD-ST2CD102J AA 1 kohm,1/6W R714,715 VRS-CY1JB101J AA 100 ohm,1/16W R449,450 VRD-ST2CD563J AA 56 kohms,1/6W R716,717 VRS-CY1JB102J AA 1 kohm,1/16W R451 VRD-ST2EE4R7J AA 4.7 ohms,1/4W R718~720 VRD-ST2CD102J AA 1 kohm,1/6W...
  • Page 77 CD-DD4500 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R965,966 VRS-VV3AAR10J AB 0.1 ohm,1W RD67 VRD-ST2CD123J AA 12 kohms,1/6W R967,968 VRD-ST2CD103J AA 10 kohm,1/6W RD68 VRS-CY1JB224J AA 220 kohms,1/16W R969~972 VRD-ST2CD102J AA 1 kohm,1/6W RD69 VRS-CY1JB154J AA 150 kohms,1/16W...
  • Page 78 CD-DD4500 PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK 92LMTR1854BASY J AP Motor with Gear [Sled] 201-14 JKNBZ0771AWSA AG Button,Center Operation 92LTWMEN7E6Y AR Motor with Worm Pulley 201-15 MLIFP0008AWZZ AD Damper [T/T Up/Down Loading] 201-16 JKNBZ0773AWSA AG Button,X-Bass/Equalizer...
  • Page 79 CD-DD4500 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK 258- 4 92PFF19N-21 Belt,Main [Tape 2] CP-DD4500 258- 5 92PF514-133 AL Pinch Roller 258- 6 92PF19S-31 AL Belt,FF/REW [Tape 2] SPEAKER BOX PARTS 258- 7 92PFF19N-11 AL Belt,Main [Tape 1]...
  • Page 80 CD-DD4500 CD-DD4500 306-2 306-1 306-3 703x2 305x2 PWB-G Figure 9 CD MECHANISM EXPLODED VIEW – 9 –...
  • Page 81 CD-DD4500 CD-DD4500 BELT CONNECTION 202-1 PWB-H FF/REW Tape 603x2 FF/REW PWB-A 603x4 Motor ROLLER ROLLER ASS'Y ASS'Y FLYWHEEL FLYWHEEL ASS'Y ASS'Y MAIN BELT TAPE1 TAPE2 612x13 612x4 IC850 Q850 612x2 612x3 610x3 IC851 603x2 202-2 PWB-J Silicon Grease M901 606x13...
  • Page 82 CD-DD4500 607x2 CD-DD4500 615x2 MECHANISM 607x2 PWB-E 243x4 PWB-C 232x4 Figure 11 CABINET EXPLODED VIEW (2/2) – 11 –...
  • Page 83 CD-DD4500 CP-DD4500 C1,2 SP3,4 SP1,2 SP1,2 Capacitor Woofer Tweeter Tweeter 2.7µF,100V C1,2 Electrolytic (N.P.) Capacitor 2.7µF,100V SP3,4 (N.P.) Woofer SP5,6 Subwoofer SP5,6 SP3,4 Subwoofer 910x4 SP1,2 908x2 903x2 910x4 SP5,6 903x2 Figure 12 SPEAKER EXPLODED VIEW (1/3) – 12 –...
  • Page 84 CD-DD4500 GBOXS0064AWM1 905x4 BLACK WITH BROKEN WHITE 905x4 LABEL RCA PIN 904x4 Figure 13 SPEAKER EXPLODED VIEW (2/3) – 13 –...
  • Page 85 CD-DD4500 GBOXS2008AWM1/GBOXS4008AWM1 SP1,2 BLACK WITH BROKEN WHITE 904x6 SP1,2 LABEL SP1,2 RCA PIN Figure 14 SPEAKER EXPLODED VIEW (3/3) – 14 –...

  • Page 86: Packing Of The Set (For U.s.a. Only)

    CD-DD4500 PACKING OF THE SET (FOR U.S.A. ONLY) Setting position of switches and knobs Tape Mechanism STOP UNIT Front Speaker (L/R) CP-DD4500 SPAKP0032AWZZ Polyethylene bag SSAKH0053AWZZ Polyethylene Bag SPAKA0314AWZZ Packing Add., (Top/Bottom) SPAKA0325AWZZ Packing Add.,(Left/Right) Bottom FRONT-SP(L) TOP REAR SIDE...
  • Page 87 CD-DD4500 –– MEMO –– – 16 –...
  • Page 88 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.

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