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Sharp CD-C430H Service Manual
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Sharp CD-C430H Service Manual

Sharp CD-C430H Service Manual

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• SRS technology Licensed from SRS Labe. SRS technology holds
the follwing patents: U.S. Patent No. 4,748,669, U.S. Patent No.
4,841,572 and U.S. Patent No. 4,866,774.
• SRS the SRS Logo (
) and the SOUND RETRIEVAL SYSTEM
are registered trademarks of SRS Labs, Inc.
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPORTANT SERVICE NOTES (FOR UK ONLY) ............................................................................................................ 3
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY .................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9
ADJUSTMENT .................................................................................................................................................................. 10
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................... 12
BLOCK DIAGRAM ............................................................................................................................................................ 13
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 16
VOLTAGE ........................................................................................................................................................................ 29
WAVEFORMS OF CD CIRCUIT ....................................................................................................................................... 30
TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION) ............................................................................... 31
FUNCTION TABLE OF IC ................................................................................................................................................ 35
FL DISPLAY ...................................................................................................................................................................... 41
WIRING OF PRIMARILY SUPPLY LEADS (FOR UK ONLY) ......................................................................................... 41
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
CD-C430H and CP-C430H constitute CD-C430H.
• In the interests of user-safety the set should be restored to its
• Note for users in UK
CONTENTS

SHARP CORPORATION

- 1 -
CD-C430H
CP-C430H
original condition and only parts identical to those specified be
used.
Recording and playback of any material may require consent
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
CD-C430H,CP-C430H
No. S6739CDC430H/
Page

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  • Page 1: Table Of Contents

    U.S. Patent No. 4,748,669, U.S. Patent No. Recording and playback of any material may require consent 4,841,572 and U.S. Patent No. 4,866,774. which SHARP is unable to give. Please refer particularly to the • SRS the SRS Logo ( ) and the SOUND RETRIEVAL SYSTEM provisions of Copyright Act 1956, the Dramatic and Musical are registered trademarks of SRS Labs, Inc.

  • Page 2: Safety Precaution For Service Manual

    CD-C430H,CP-C430H (For UK) SAFETY PRECAUTION FOR SERVICE MANUAL Precaution to be taken when replacing and servicing the Laser Pickup. The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class I Requirements.

  • Page 3: Important Service Notes (For Uk Only)

    CD-C430H,CP-C430H FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE NOTES (FOR UK ONLY) WITHSTANDING Before returning the unit to the customer after completion of a VOLTAGE TESTER repair or adjustment it is necessary for the following withstand...

  • Page 4: Names Of Parts

    CD-C430H,CP-C430H NAMES OF PARTS CD-C430H Front Panel 1. Disc Tray 2. Disc Number Indicator 3. Timer Indicator 3 4 5 4. Record Indicator 5. Sleep Indicator 6. Extra Bass Indicator: X-BASS SLEEP X-BASS 7. Function/CD Track/CD Counter/Frequency/Preset Channel/Volume/Timer/Sleep Time Indicator 8 9 10 8.
  • Page 5 CD-C430H,CP-C430H CD-C430H Rear Panel 1. Video/Auxiliary (Audio Signal) Input Sockets 2. Speaker Terminals 3. AC Power Lead 4. FM 75 Ohms Aerial Socket 5. AM Loop Aerial Input Socket CP-C430H Speaker Section 6. Tweeter 7. Bass Reflex Duct 8. Woofer 9.

  • Page 6: Operation Manual

    CD-C430H,CP-C430H OPERATION MANUAL – 6 –...

  • Page 7: Disassembly

    CD-C430H,CP-C430H DISASSEMBLY CP-C430H Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure Top Cabinet ( A1 ) x2 excellent performance: ø3 x12mm 1. Take cassette tape and compact disc out of the unit.
  • Page 8 CD-C430H,CP-C430H Display PWB ( K1 ) x4 Front Panel ø3 x12mm ( E1 ) x9 ( L1 ) x1 ø3 x10mm ø2.6 x10mm ( E1 ) x1 Shift Lever ø3 x10mm ( E2 ) x1 ( E2 ) x2 CD Changer...

  • Page 9: Removing And Reinstalling The Main Parts

    CD-C430H,CP-C430H REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1, 2, 3, 10 and 11 of the disassembly method to remove the CD mechanism. Loading Motor How to remove the loading motor (See Fig. 9-1) 1. Remove the screws (A1) x 2 pcs., to remove the loading motor.

  • Page 10: Adjustment

    CD-C430H,CP-C430H ADJUSTMENT TUNER SECTION MECHANISM SECTION • Driving Force Check fL: Low-range frequency fH: High-renge frequency Torque Meter Specified Value • AM IF/RF Play: TW-2412 Tape 1: Over 80 g Signal generator: 400 Hz, 30%, AM modulated Tape 2: Over 80 g...

  • Page 11: Test Mode

    CD-C430H,CP-C430H TEST MODE • Setting the test mode Any one of test mode can be set by pressing several keys as follows. <REC. PAUSE> + <DISC. SKIP> + <POWER> TEST: CD operation test • TEST mode Function — CD test mode Setting of TEST mode Indication of CD TST mode (Fig.

  • Page 12: Notes On Schematic Diagram

    CD-C430H,CP-C430H NOTES ON SCHEMATIC DIAGRAM • The indicated voltage in each section is the one measured • Resistor: by Digital Multimeter between such a section and the chas- To differentiate the units of resistors, such symbol as K and sis with no signal given.

  • Page 13: Block Diagram

    CD-C430H,CP-C430H Figure 13 BLOCK DIAGRAM (1/3) – 13 –...
  • Page 14 CD-C430H,CP-C430H SO301 FM IF AM IF ANTENNA FE301 CF301 Q301 CF302 L354 TERMINAL FM FRONT END T351 MONO/ST FM IF IN IC303 VR351 L-CH LA1832 FM MUTE LEVEL R-CH FM IF DET./FM MPX./AM IF AM LOOP ANTENNA MUTING FM OSC...
  • Page 15 CD-C430H,CP-C430H UN-SWITCHED FL701 DISPLAY MEMORY BACK UP MONO/ST 17 18 31 32 TO CD SECTION Q701 TO POWER AMP. L-CH SECTION R-CH M IF PHM1 MUTING Q353 Q354 SW701~706 SW709~715 AVDD SW717~725 IC701 AVREF IX0191AW XL701 SYSTEM CONTROL TAGE 4.19MHz...

  • Page 16: Schematic Diagram / Wiring Side Of P.w.board

    CD-C430H,CP-C430H P19 7 - H TO MOTOR PWB CNS10 SW717 POWER 10 9 8 7 6 5 4 3 2 1 SW718 10 15 CLOCK R769 CNP10 R765 R753 R753 R753 SW715 TIMER/SLEEP TUN-DOWN SW719 SW721 MEMORY/SET P18 2 - A...
  • Page 17 CD-C430H,CP-C430H P18 5 - C P19 9 - C P19 9 - C P18 6 - H P18 5 - C TO TUNER TO TUNER TO CD MOTOR TO PICKUP TO PICKUP UNIT UNIT CNS3A CNS2A CNS1A CNP201 CNP303 MAIN PWB-A1...
  • Page 18 CD-C430H,CP-C430H P16 1 - A TO DISPLAY PWB PICKUP UNIT CNSM1 1 2 3 4 5 1 2 3 4 5 6 7 8 CNS1B CNS2B CNPM2 1 2 3 4 5 1 2 3 4 5 6 7 8...
  • Page 19 CD-C430H,CP-C430H TUNER PWB-B POWER PWB-C3 F963 T1.6A L 250V C220 C240 CNS901 F962 C224 R210 T2.5A L 250V R217 C223 TO MAIN PWB R212 R234 CNP901 R216 P17 11 - G R215 T961 POWER TRANSFOMER R201 R207 C203 R208 C201...
  • Page 20 CD-C430H,CP-C430H 47/10 KTA1266 GR 0.47/50 1.5V 0.01 0.01 1/50 3.3V 64 63 61 60 55 54 53 52 51 50 49 CNS1B CNS1A CNP1 – FIN2 – – FIN1 EFBAL – – – FOSTA – DGND TOSTA – 2FREQ 0.1/50 –...
  • Page 21 CD-C430H,CP-C430H MAIN PWB-A1 (1/3) 0.01 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 EFLG µ-COM SBSY SUB-CODE INTERFACE DEF1 XVSS 3.3M 0.033 X-TAL XOUT 2KX8 GENERATOR 0.047 VVSS XVDD MUTER 0.022 ISET 0.047...
  • Page 22 CD-C430H,CP-C430H C702 220/6.3 FL701 Q701 KRC107 M 4.4V -24.8V -24.8V R734 R751 R701 100K 100K R750 100K R738 KEY-3 KEY-2 R740 KEY-1 R797 SET UP AVDD AVREF IC701 SRS ON/OFF IX0191AW SYSTEM VLOAD MICROCOMPUTER C710 1/50 R729 C711 1/50 R726 11.7V...
  • Page 23 CD-C430H,CP-C430H DISPLAY PWB-A2 R741 R734 R757 R749 R751 100K 100K R753 3.3K R763 R767 R773 R777 R782 1.2K 1.8K 2.2K 3.9K R756 R750 100K 100K SW701 SW702 SW703 SW704 SW705 SW706 RANDOM VOLUME X-BASS VOLUME OPEN DISK /SRS DOWN /P.G.EQ...
  • Page 24 CD-C430H,CP-C430H CD_R R412 A_GND C410 CD_L 0.047 R480 (ML) R422 100K C434 0.0027 C436 R420 C406 RVref 22/16 TUN_R 0.047 P25 11 - B C438 RINVIN2 C445 (ML) TUN_L 100P R418 RTOUT 0.022 C440 RVRIN 10/16 R416 C402 RTEST AVSS 0.047...
  • Page 25 CD-C430H,CP-C430H R477 OUT_R MAIN_L P26 1 - C A_GND TO POWER PWB MAIN_R R478 C218 R480 CNP401 2.2/50 100K C434 OUT_R 0.0027 IN_R C436 P28 6 - E 22/16 A-GND C438 CNP201 C445 100P IN_L 0.022 TO TUNER PWB C440...
  • Page 26 CD-C430H,CP-C430H MAIN PWB-A1(3/3) – – IC801 LA4450 POWER AMP. C829 47/50 C855 560P C809 TO CD GND 2200/25 MAIN_L C805 C810 1/50 2200/25 MAIN_R C801 C812 C806 1/50 (ML) C802 C814 L832 (ML) 0.29µH R807 11.84V 19.3V Q941 2SD2012 Y 12.42V...
  • Page 27 CD-C430H,CP-C430H L_CHECK P23 8 - G R_CHECK TO DISPLAY PWB C454 C453 1/50 1/50 C855 560P TO CD GND R835 JK801 HEADPHONES (1/2W) R836 (1/2W) C844 L832 C843 L831 HEADPHONES 220P 0.29µH 220P 0.29µH PWB-A3 FM SIGNAL SPEAKER TERMINAL SO801 SP_L-CH –...
  • Page 28 CD-C430H,CP-C430H C327 C332 0.001 0.022 D312 C341 R358 1SS119 0.022 8.2K C366 VR351 0.001 R364 R363 FM MUTE 10K(B) TP302 1.8K 1.8K LEVEL C372 R362 D311 4.7K 1SS119 R323 TUN_R L353 100K Q353 R330 L354 KTC3199GR TUN_L C334 L311 2.7K 6.8P...

  • Page 29: Voltage

    CD-C430H,CP-C430H VOLTAGE IC401 IC201 IC701 NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 9.8V –24.7V 0.41V 4.9V –24.7V 2.1V 4.9V –24.7V 2.1V 4.9V –24.7V 4.4V 1.8V –24.7V 4.9V 2.2V –24.7V 4.4V 4.9V 2.2V –24.7V 4.4V...

  • Page 30: Waveforms Of Cd Circuit

    CD-C430H,CP-C430H WAVEFORMS OF CD CIRCUIT STOP PLAY FOCUS SERCH 0.5ms 0.50 V 10.0 V IC1 20 F.E 0.5ms 10.0 V 0.5ms 5.0 V 0.50 V IC1 54 DRF 0.5ms 1.00 V PLAY 0.5ms NORMAL DISC 1.00 V TN0=01 20ms 1.00 V 0.5ms...

  • Page 31: Troubleshooting (Cd Changer Control / Cd Section)

    CD-C430H,CP-C430H TROUBLESHOOTING (CD SECTION) 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 32 CD-C430H,CP-C430H • When the CD tray fails to open or close. Check the OPEN CLOSE SW and the wiring from the IC701 Is there following voltage input in specific state of IC701 pin 19? pin 19 to the OPEN CLOSE SW.
  • Page 33 CD-C430H,CP-C430H • Playback can only be performed when a disc is loaded. Check the laser diode driver. Is the Focus servo active? (Can you hear it working?) Check the area around IC1(16) - (21) (focus servo circuit). If the disc is not turning, the DRF Does the DRF signal change from "L"...
  • Page 34 CD-C430H,CP-C430H • Checking the spin system. Play operation is performed without disc. The turntable rotates a little. The spin driver circuit is normal. Check the periphery of IC1 pins 23 to 27, pin 39, and pin 40, IC2 The turntable fails to rotate or rotates at high speed.

  • Page 35: Function Table Of Ic

    CD-C430H,CP-C430H FUNCTION TABLE OF IC IC2 VHiLC78623D-1:Servo/Signal Control(LC78623D) (1/2) Terminal Name Input/Output Pin No. Function DEFI Input Input terminal of defect detection signal (DEF). (Connected to OV when not used.) Input For PLL Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
  • Page 36 CD-C430H,CP-C430H IC2 VHiLC78623D-1:Servo/Signal Control(LC78623D) (2/2) Terminal Name Input/Output Pin No. Function Output Output terminal of subcodes P, A, R, S, T, U and W. SFSY Output Output terminal of synchronous signal of subcode frame. It drops when subcode stands by.
  • Page 37 CD-C430H,CP-C430H IC1 VHiLA9241M/-1:Servo Amp.,(LA9241M) (1/2) Function Port Name Pin No. FIN2 Connection pin for photodiode of pickup. RF signal is generated through addition with FIN pin, and FE signal is generated through subtraction. FIN1 Connection pin for photodiode of pickup.
  • Page 38 CD-C430H,CP-C430H IC1 VHiLA9241M/-1:Servo Amp.,(LA9241M) (2/2) Function Port Name Pin No. Micro computer command clock input pin. Micro computer command data input pin. Micro computer command chip enable input pin. (DETECT RF) RF level detection output. (Focus Serch Select) Pin to switch focus search mode. (± search/+ search for reference voltage) VCC2 VCC pin for servo system and digital system.
  • Page 39 CD-C430H,CP-C430H IC701 RH-iX0191AWZZ:System Microcomputer (IX0191AW) (1/2) Function Pin No. Port Name Terminal Name Input/Output FIP6-0 FL DRIVER Output Segment Output — Connect with BACK UP VDD TAPE BIAS Output TAPE BIAS ON: H TAPE REC Output TAPE REC. ON:L T1/T2...
  • Page 40 CD-C430H,CP-C430H IC701 RH-iX0191AWZZ:System Microcomputer (IX0191AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function P124 TAPE1 RUN PULSE Input TAPE1 Run pluse P123 TAPE MECHA STOP Input Tape mecha up state: L 58*-60* P122-P120 DISC1-DISC3 Output Non connect 61-70 FIP25-16...

  • Page 41: Fl Display

    CD-C430H,CP-C430H IC5 VHiM5674FP-1:Focus/Tracking/Spin/Slide Driver (M5674FP) Figure 41-1 BLOCK DIAGRAM OF IC FL701 : VVKFiP9EM7R-1 FL Display MEMORY SLEEP X-BASS WIDE DOLBY Figure 41-2 FL DISPLAY WIRING OF PRIMARILY SUPPLY LEADS (FOR UK ONLY) If any one of the bands shown in Fig. 41-3 is removed for some reason, be sure replace it to the original position and same appearance as before.
  • Page 42 CD-C430H,CP-C430H — M E M O — – 42 –...

  • Page 43: 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 44 CD-C430H,CP-C430H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK CF301,302 RFILF0072AFZZ AG FM IF CD-C430H CF351 RFILF0003AWZZ AK FM IF INTEGRATED CIRCUITS TRANSFORMERS VHILA9241M/-1 AS Servo Amp.,LA9241M T302 RCILZ0014AWZZ AL AM Antenna VHILC78623D-1 AY Servo/Signal Control,LC78623D T351 RCILI0011AWZZ...
  • Page 45 CD-C430H,CP-C430H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 10 µF,16V,Electrolytic C67,68 RC-GZA106AF1C C397 VCKYMN1HB221K J AA 220 pF,50V AB 100 µF,6.3V,Electrolytic C69,70 VCKYMN1HB221K J AA 220 pF,50V C398 RC-GZA107AF0J AB 220 µF,10V,Electrolytic AA 0.022 µF,25V RC-GZA227AF1A...
  • Page 46 CD-C430H,CP-C430H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK VRD-MN2BD103J AA 10 kohm,1/8W R158 VRD-ST2EE471J AA 470 ohms,1/4W VRD-MN2BD222J AA 2.2 kohms,1/8W R160 VRD-RT2HD151J AA 150 ohms,1/2W VRD-MN2BD682J AA 6.8 kohms,1/8W R162 VRD-MN2BD472J AA 4.7 kohms,1/8W VRD-MN2BD101J AA 100 ohm,1/8W...
  • Page 47 CD-C430H,CP-C430H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK R705 VRD-MN2BD103J AA 10 kohm,1/8W CNP3 92LCONE6P53253 J AC Plug,6Pin R706 VRD-MN2BD102J AA 1 kohm,1/8W CNP3A 92LCONE6P53254 J AC Plug,6Pin R707 VRD-MN2BD103J AA 10 kohm,1/8W CNP10 92LCONEAP53254 J AD Plug,10Pin...
  • Page 48 CD-C430H,CP-C430H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK NGERH0032AWZZ J AC Gear,FF GITAR0219AWSA AG Back Board [Except for UK/ NPLYB0004AWZZ AB Sensor,Wing Thailand] MLEVP0026AWZZ J AC Lever,Trigger GITAR0220AWSA AG Back Board [For UK] MLEVP0027AWZZ J AC Lever,Lock [Tape 1]...
  • Page 49 CD-C430H,CP-C430H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK PCUSG0029AWZZ J AC Cushion RPLU-0002AWZZ AH Solenoid XESSD30P10000 AA Screw,ø3×10mm LX-JZ0022AFFD AA Screw,ø3×8mm XEBSD30P10000 AA Screw,ø3×10mm XJBSD30P06000 AA Screw,ø3×6mm XJBSF30P10000 AA Screw,ø3×10mm XEBSF30P12000 AA Screw,ø3×12mm LX-TZ0019AFZZ AB Screw,Special XEBSD30P12000 AA Screw,ø3×12mm...
  • Page 50 CD-C430H,CP-C430H CD-C430H 306-2 306-1 306-3 305x2 PWB-E Figure 7 CD MECHANISM EXPLODED VIEW – 7 – – 50 –...
  • Page 51 CD-C430H,CP-C430H CD-C430H TAPE1 TAPE2 503x3 503x2 503x3 503x2 SOLM1 SWM5 501x2 SWM4 SWM3 502x2 PWB-D BELT CONNECTION MOTOR Figure 8 TAPE MECHANISM EXPLODED VIEW – 51 – – 8 –...
  • Page 52 CD-C430H,CP-C430H CD-C430H 619x8 618x2 PWB-A1 601x9 209-1 625x2 PWB-A2 260x2 618x2 209-2 FL701 602 253 PWB-A3 PWB-B 623x3 201-3 623x2 Silicon Grease 623x3 601x6 201-1 620x4 201-2 TAPE 204-1 MECHANISM PWB-C 264x2 606x2 201-2 210-1 204-2 206-1 260x4 206-2 210-2...
  • Page 53 CD-C430H,CP-C430H CD-C430H 248-3 608x2 248-2 248-1 608x2 243x2 MECHANISM 621x2 612x4 PWB-F Figure 10 CABINET EXPLODED VIEW (2/2) – 53 – – 10 –...
  • Page 54 CD-C430H,CP-C430H CP-C430H 709x2 SP1,2 709x2 704x2 SP3,4 708x2 708x2 SP1,2 TWEETER BLACK C1,2 2.7µF/100V (N.P.) BLACK SP1,2 TWEETER C1,2 2.7µF/100V (N.P.) SP3,4 SP3,4 WOOFER WOOFER Figure 11 SPEAKER EXPLODED VIEW – 54 – – 11 –...

  • Page 55: Packing Method (For Uk Only)

    CD-C430H,CP-C430H PACKING METHOD (FOR UK ONLY) Setting position of switches and knobs Tape Mechanism STOP CD-C430H CP-C430H 1. Packing Add., Left/Right SPAKA0124AWZZ1 1. Polyathylene Bag, Speaker 92L411-0075 2. Polyathylene Bag, Unit SPAKP0013AWZZ1 2. Mirror Mat 92L4140011 3. Packing Case SPAKC0519AWZZ 3.
  • Page 56 CD-C430H,CP-C430H A9706-4728NS•HA•M Printed in U.K. Writer and Editor: Quality & Reliability Control Center of Audio-Visual Systems Group, Sharp Corp. SG • SK • STCL – 56 –...

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