Sharp CD-DD4500 Service Manual

– 1 –CD-DD4500No. S7144CDDD4500 CONTENTSPageIMPORTANT SERVICE NOTES (FOR U.S.A. ONLY)...

CD-DD4500– 10 –External unit ConnectionsConexiones de unidades externasRCA cord(not supplied)Cable RCA(no suministrado)To the line output jackA la tom

– 11 –CD-DD4500Turning on Your SystemConexión de la alimentación de su sistemaThe first time the unit is plugged,the unit will enter the demonstra-tio

CD-DD4500– 12 –1 Top Cabinet 1. Screw ... (A1) x4 12-12 Side Panel 1. Screw ... (B1) x8 12-1(Left/Right)3 CD Playe

– 13 –CD-DD4500Figure 13-1Figure 13-2Figure 13-3Figure 13-5Figure 13-6Clamp LeverCD Player Unit(Top View)Cam Gear RibTurntableSlideChassis(M2) x 1CD P

CD-DD4500– 14 –Figure 14-2Figure 14-3Figure 14-5(P3) x 2(P2) x 2(P3) x 2CD ServoPWBSlideChassis(P1) x 1ø3 x 8mm(Q2) x 3(Q1) x 1(Q1) x 1CDMechanismFigu

– 15 –CD-DD4500REMOVING AND REINSTALLING THE MAIN PARTSTAPE MECHANISM SECTIONPerform steps 1 to 8 and 10 of the disassembly method toremove the tape m

CD-DD4500– 16 –How to remove the pickup (See Fig. 16-2)1. Remove the stop washer (B1) x 1 pc., to remove the gear(B2) x 1 pc.2. Remove the screws (B3)

– 17 –CD-DD4500fL: Low-range frequencyfH: High-range frequency• AM adjustment and confirmationFigure 17-3 AM IFTUNER SECTION• Setting the Test ModeWh

CD-DD4500– 18 –CD SECTIONFigure 18-2Items adjusted automatically(1) Offset adjustment (The offset voltage between the headamplifier output and the VRE

– 19 –CD-DD4500TEST MODE• Setting the test mode Any one of test mode can be set by pressing several keys as follows. <X-BASS> + <CD> + <

CD-DD4500– 2 –CD playerType 3-disc multi-play compact disc playerSignal readout Non-contact, 3-beam semiconductor laser pickupD/A converter 1-bit D/A

CD-DD4500– 20 –Standard Specification of Stereo System Error Message Display Contents Error Contents DISPLAY

– 21 –CD-DD4500 Figure 21 BLOCK DIAGRAM (1/3)+3.3V+5V CNS4BI4CNP4M3T/T UP DOWNLOADING +3.3V TO DISPLAY SECTIONTO MAIN SECTION CONSTANTVOLTAGEQ2LAS

CD-DD4500– 22 – Figure 22 BLOCK DIAGRAM (2/3)IC501TORX178BOPTICAL FIBERDATA LINK321X5012.2MHzIC602M62446FP6-CH ELECTRONICVOLUME4236353433323115131211

– 23 –CD-DD4500 Figure 23 BLOCK DIAGRAM (3/3)184 11841IC181BU2092FINPUT/OUTPUTEXPANDERIC702BU2092FINPUT/OUTPUTEXPANDER15141354123IC606NJM4565MBUFFER

CD-DD4500– 24 –Figure 24 SCHEMATIC DIAGRAM (1/14)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.CD SERVO PWB-C4216485217365362714C

– 25 –CD-DD4500Figure 25 SCHEMATIC DIAGRAM (2/14)78 9 10 11 12• The numbers 1 to 12 are waveform numbers shown in page 50.54610111237840 41 42LD

CD-DD4500– 26 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.Figure 26 SCHEMATIC DIAGRAM (3/14)0V0V0V0V21311.6V 0V11.6V 11.7V 0V0

– 27 –CD-DD4500Figure 27 SCHEMATIC DIAGRAM (4/14)78 9 10 11 12+B–13V5V+5V +B+B+B+B+B+BBB+B+B+B+B+B+B+B+B+BB+B+B+B+B+B+B+B+B-B-B-B-B-B-B-B-B-B-B+B+B+B+

CD-DD4500– 28 –Figure 28 SCHEMATIC DIAGRAM (5/14)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.63Hz10kHz 1kHzTUN_SMDISP_DETTUN_FN

– 29 –CD-DD4500Figure 29 SCHEMATIC DIAGRAM (6/14)78 9 10 11 12NPNPP20 F2F2F2P21 P22 P23 P24 P25 DIST_OUTKARA_LATVOL_LATATTF_RLYSMUTEAC_RLY6 65 64 6

– 3 –CD-DD4500NAMES OF PARTSCD-DD4500Front panel1. Disc Tray2. Surround Effect Buttons3. Timer Set Indicator4. Power On/Stand-by Button5. Tape 2 Casse

CD-DD4500– 30 –Figure 30 SCHEMATIC DIAGRAM (7/14)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.+B(18V) TRANSFORMERPWB-D3312P_IN–B

– 31 –CD-DD4500Figure 31 SCHEMATIC DIAGRAM (8/14)78 9 10 11 12(20W x 2)( 30W )CENTER & SURROUND A_GNDC-CHRS-CHSR_RLYC_RLYLS-CH264153M_12VFAN

CD-DD4500– 32 –Figure 32 SCHEMATIC DIAGRAM (9/14)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.DOLBY PWB-HFM SIGNALDIGITALOUTDGND

– 33 –CD-DD4500Figure 33 SCHEMATIC DIAGRAM (10/14)78 9 10 11 1244434241403938373635343422201918171615141312123456 87910 1133 32 31 30 29 28 27 26 25 2

CD-DD4500– 34 –Figure 34 SCHEMATIC DIAGRAM (11/14)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.M(30WS(40WSP_DETSMUTE FAN_CTL FAN

– 35 –CD-DD4500Figure 35 SCHEMATIC DIAGRAM (12/14)78 9 10 11 12MAIN(30W x 2)SUB(40W x 2)HEADPHONESPWB-B2H/P_SWR-CHA_GNDL-CH41441123SW_RLYH/P SP_DE

CD-DD4500– 36 –Figure 36 SCHEMATIC DIAGRAM (13/14)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.132AMLOOPANTENNAFM2 3112322122232

– 37 –CD-DD4500Figure 37 SCHEMATIC DIAGRAM (14/14)78 9 10 11 1221331426578910TOMAIN PWB P26 1-DMAIN PWB-A (2/2)FM SIGNALAM SIGNAL12345678910 11 12131

CD-DD4500– 38 –Figure 38 WIRING SIDE OF P.W.BOARD (1/10)ABCDEFGH123456R660R659R656C660R655R654R6531458C664C663R658R657R662C659R661R652R651R694R693R690

– 39 –CD-DD4500Figure 39 WIRING SIDE OF P.W.BOARD (2/10)78 9 10 11 121 2 3 4 5 6 7 8 91011121314151617181919181716151413121110 9 8 7 6 5 4 3 2 1R892C8

CD-DD4500– 4 –CD-DD4500Rear panel1. DVD Digital Input Jack2. Center Speaker Jacks3. Surround Speaker Jacks4. FM/AM Loop Antenna Jack5. Video/Auxiliary

CD-DD4500– 40 –Figure 40 WIRING SIDE OF P.W.BOARD (3/10)ABCDEFGH123456R781R780R782RD09RD11RD08C725C724RD591234876512343215678RD62RD53C732C734C735RD68R

– 41 –CD-DD4500Figure 41 WIRING SIDE OF P.W.BOARD (4/10)78 9 10 11 12RD2781C707R770R771RD20R717RD04R727R728RD92R726RD93R772R777R778R764C739RD90RD91RD8

CD-DD4500– 42 –Figure 42 WIRING SIDE OF P.W.BOARD (5/10)ABCDEFGH123456D811C811C816C813R816R817DZ804 Q806C812DZ803 C814R814R815D810C809D809C810D808D807

– 43 –CD-DD4500Figure 43 WIRING SIDE OF P.W.BOARD (6/10)78 9 10 11 12C751JK701HEADPHONESL702R742CNP7031234123456L902R990R978C944R979C945D908RY901 C946

CD-DD4500– 44 –ABCDEFGH123456Figure 44 WIRING SIDE OF P.W.BOARD (7/10)C551R543R549C550R544R550C549R545R551C7015 C548R546R552C547R547R553R531C535R554C5

– 45 –CD-DD4500Figure 45 WIRING SIDE OF P.W.BOARD (8/10)78 9 10 11 12BRCOLOR TABLERD(R)ORYLGRBLVLGYWH(W)BKPKBROWNREDORANGEYELLOWGREENBLUEVIOLETGRAYWH

CD-DD4500– 46 –Figure 46 WIRING SIDE OF P.W.BOARD (9/10)ABCDEFGH123456• The numbers 1 to 12 are waveform numbers shown in page 50.123R19 R30 R18

– 47 –CD-DD4500Figure 47 WIRING SIDE OF P.W.BOARD (10/10)78 9 10 11 12P39 11-BTO MAIN PWBCNP102TAPE 2 ERASE HEADRECORD/PLAYBACKHEADBLWHYLBKWHBKPKWHBK

CD-DD4500– 48 –VOLTAGE1.6 V1.0 V1.6 V1.8 V3.3 V0 V1.6 V1.6 V1.6 V1.6 V1.6 V1.6 V1.5 V1.5 V1.5 V1.5 V0.8 V3.2 V0 V1.6 V1.6 V1.6 V1.6 V0 V0 V3.2 V0 V0 V

– 49 –CD-DD4500• The indicated voltage in each section is the one measuredby Digital Multimeter between such a section and the chas-sis with no signal

– 5 –CD-DD4500CP-DD4500Center SpeakerFront SpeakerSurround Speaker1. Woofer2. Tweeter3. Subwoofer4. Speaker Wire for SUBWOOFER Terminals5. Bass Reflex

CD-DD4500– 50 –TTDATADATACKLRSYStoppedCH1=2 VDC 10:1CH2=2 VDC 10:1CH3=2 VDC 10:15 µs/div(5 µs/div)NORM:100 kS/s123=Record Length=Smoothing : O

– 51 –CD-DD4500HOW TO USECAUTIONCleaning fluidCleaner discUsing the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the brush on

CD-DD4500– 52 –Vp-p=1.0 V~1.3 V0.5 mV/div,0.5 µsec/divTFDODRFTEStoppedCH1=500 mVDC 10:1CH2=10 VDC 10:1CH3=1 VDC 10:1500 ms/div(500 ms/div)NORM:2

– 53 –CD-DD4500TTFDOSPDOStoppedCH1=200 mVDC 10:1CH2=500 mVDC 10:1500 ms/div1999/04/07 09:51:15(500 ms/div)NORM:20 kS/s21=Record Length=Smoothing

CD-DD4500– 54 –TTDOUTStoppedCH1=2 VDC 10:1500 ns/div1999/04/07 09:25:28(500 ns/div)NORM:200 MS/s1=Record Length=Smoothing : ON CH1 : 0.00

– 55 –CD-DD4500FUNCTION TABLE OF ICIC1 VHiLC78645NE1: CD Servo (LC78645NE) (1/2)1 SLC0 Output — Control output.2 SLCIST Input —Resistor connection te

CD-DD4500– 56 –44 RVSS — — GND for Right channel. Must be connected to 0 V.45* RCHO Output LVDD /2 Right channel output.46 RVDD Input — Power supply f

– 57 –CD-DD4500Figure 57 BLOCK DIAGRAM OF ICIC1 VHiLC78645NE1: CD Servo (LC78645NE)123456789101112131415161718192021 22 23 24 25 26 27 28 29 30 31 32

CD-DD4500– 58 –1 RST Input Hardware reset input terminal. (L: reset, R: normal operation)2* MIMD Input Microcomputer I/F mode select input terminal. (

– 59 –CD-DD450052 CE Output External SRAM chip enable signal output terminal.53 VDD Input Digital power supply terminal.54 IO7 Input/Output External S

CD-DD4500– 6 –OPERATION MANUALTo confirm the time display:Press the CLOCK button.The time display will appear for about 5 seconds.Note:The “CLOCK” or

CD-DD4500– 60 –Figure 60 BLOCK DIAGRAM OF ICIRQSDinSDOnLRCK/BCKRXLOCK/RSTMIMD/MICS/MILPMIDIO/MICKMIACKTXOFInPOnIOnADn/CE,/OE,/WRLPFODLONSCKISCKOROM4 k

– 61 –CD-DD45001 SDOS Input SDTO source select pin. (Note 1)“L”: internal ADC output, “H”: I2C DAUX input2 I2C Input Serial control mode select pin. “

CD-DD4500– 62 –Figure 62 BLOCK DIAGRAM OF ICIC505 RH-iX0454AWZZ: 6-CH CODEC IC (AK4527BVQ) (2/2)Terminal NamePin No.Input/OutputFunction41 DIF0 Input

– 63 –CD-DD4500IC601 VHiLC75341/-1: Audio Processor (LC75341)Figure 63 BLOCK DIAGRAM OF IC19202122232412345678910 11 12 13 14 15 161817LVrefRVrefCONT

CD-DD4500– 64 –1*-4* OUT4-OUT1 Port output.5 AVDD Analog positive power supply terminal.6 SWin Volume input.7 GNDS GND terminal.8 SRin Volume input.9

– 65 –CD-DD45001 AVDD AVDD Input Analog VDD.2 ANI0 TUN-SM Input RDS VSM3 ANI1 SPEANA 3 Input SPEANA data input. L, R 16 kHz4 ANI2 SPEANA 2 Input SPEAN

CD-DD4500– 66 –IC701 RH-iX0422AWZZ: System Microcomputer (IX0422AW) (2/2)In this unit, the terminal with asterisk mark (*) is (open) terminal which is

– 67 –CD-DD4500Input/OutputPort Name Terminal Name1 VSS –– GND2 DATA Input Serial data input.3 CLOCK Input Shipt clock of data.4 LCK Input Latch clock

CD-DD4500– 68 –FL701 VVKBJ844GNK-1: FL DisplayFL DISPLAY11G 13G 14G 12G9G8G7G6G5G4G3G2G1G10GC OC OS1S1S1S1S1S1S1S2S3S4fabkjhmgcnerpDpd[ 1G ~ 8G ]B24B2

– 69 –CD-DD4500ANODE CONNECTION1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G 13G 14GP1P2P3P4P5P6P7P8P9P10P11P12P13P14P15P16P17P18P19P20P21P22P23P24P25Dpdnpr

– 7 –CD-DD4500Troubleshooting ChartMany potential “problems” can be resolved by the owner without calling a service tech-nician. If something is wrong

CD-DD4500– 70 ––– MEMO ––

– 71 –CD-DD4500PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified ones

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500CD-DD4500INTEGRATED CIRCUITSIC1 VHILC78645NE1 J AY CD Servo,LC78645NEIC2 V

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500L901~904 RCILZ0137AFZZ J AA 0.29 µHVARIABLE RESISTORVR351 RVR-M0026AWZZ J

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500C435 VCEAZA1HW476M J AB 47 µF,50V,ElectrolyticC437 VCQYKA1HM104K J AB 0.1

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500C971 VCEAZA1HW225M J AB 2.2 µF,50V,ElectrolyticC972 VCEAEA1HW225M J AB 2.2

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500R446 VRD-ST2CD102J J AA 1 kohm,1/6WR449,450 VRD-ST2CD563J J AA 56 kohms,1/

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500R965,966 VRS-VV3AAR10J J AB 0.1 ohm,1WR967,968 VRD-ST2CD103J J AA 10 kohm,

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500M2 92LMTR1854BASY J AP Motor with Gear [Sled]M3 92LTWMEN7E6Y J AR Motor wi

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-DD4500258- 4 92PFF19N-21 J Belt,Main [Tape 2]258- 5 92PF514-133 J AL Pinch Rolle

CD-DD4500– 8 –Notes concerning use:Replace the batteries if the operating distance is reduced or if the operation be-comes erratic.Periodically clean

CD-DD4500ABCDEFGH123456Figure 9 CD MECHANISM EXPLODED VIEW– 9 –CD-DD4500306-1701304701302301702303M1703x2305x2SW4M2305PWB-G306-2306-3306704

CD-DD4500Figure 10 CABINET EXPLODED VIEW (1/2)ABCDEFGH123456– 10 –CD-DD4500Note: Only the unit and consumable parts are supplied as parts supply for

CD-DD4500Figure 11 CABINET EXPLODED VIEW (2/2)ABCDEFGH123456– 11 –CD-DD4500CDMECHANISM204250228229236254252232232232x4PWB-C232225M3SW3PWB-E607x2607x2

CD-DD4500ABCDEFGH123456Figure 12 SPEAKER EXPLODED VIEW (1/3)– 12 –CP-DD4500901910x4SP3,4908x2SP1,2904910x4903x2SP5,6903x2904907906905904902909904C1,2C

CD-DD4500Figure 13 SPEAKER EXPLODED VIEW (2/3)ABCDEFGH123456– 13 –GBOXS0064AWM1CENTER905x4902905x4SP1904x4901903906SP1SP1BKTAGLABELRCA PINBLACK WITH B

CD-DD4500ABCDEFGH123456Figure 14 SPEAKER EXPLODED VIEW (3/3)– 14 –GBOXS2008AWM1/GBOXS4008AWM1SURROUND904x6SP1,2901902903905SP1,2SP1,2BLACK WITHBROKEN

CD-DD4500PACKING OF THE SET (FOR U.S.A. ONLY)Setting position of switches and knobsTape Mechanism STOPUNITSPAKP0032AWZZPolyethylene bagSPAKA0325AWZZPa

CD-DD4500– 16 ––– MEMO ––

CD-DD4500COPYRIGHT 2001 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval system, or

– 9 –CD-DD4500AccessoriesAccesorios1FM/AM loop antenna × 1Antena de cuadro de FM/AM × 1Remote control × 1Controlador remoto × 1132Battery Installation