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Sharp CD-C1831V Service Manual
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Sharp CD-C1831V Service Manual

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NTSC/PAL
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
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 ........................................................................................................................................................................ 36
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 37
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 38
FUNCTION TABLE OF IC ................................................................................................................................................ 43
FL DISPLAY ...................................................................................................................................................................... 56
PARTS GUIDE/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
- 1 -
CD-C1831V
CD-C1831V Video CD Mini System consisting of CD-C1831V
(main unit), CP-C1831 (front speaker) and GBOXS0025AWM1
(surround speaker).
• 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-C1831V
No. S9955CDC1831V
Page

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  • Page 1: Table Of Contents

    CD-C1831V SERVICE MANUAL No. S9955CDC1831V CD-C1831V CD-C1831V Video CD Mini System consisting of CD-C1831V (main unit), CP-C1831 (front speaker) and GBOXS0025AWM1 (surround speaker). • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be NTSC/PAL used.

  • Page 2: Safety Precaution For Service Manual

    CD-C1831V SAFETY PRECAUTION FOR SERVICE MANUAL WARNINGS THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES AGAINST EXPOSURE TO THE LASER BEAM.

  • Page 3: Specifications

    CD-C1831V FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-C1831V General Cassette deck section Type: Compact cassette tape Power source: AC 110/127/220/230-240 V, Frequency response: 50 - 14,000 Hz (Normal tape)

  • Page 4: Names Of Parts

    CD-C1831V NAMES OF PARTS CD-C1831V Front Panel 1. Disc Number Selector Buttons 2. Disc Tray 3. Multi Indicator 4. Disc Skip Button 5. Open/Close Button 6. Extra Bass Indicator 7. FM Stereo Mode Indicator 8. FM Stereo Indicator 9. (VCD/CD) Repeat Indicator 10.
  • Page 5 CD-C1831V Rear Panel 1. Video Output Socket 2. AC Voltage Selector 3. AC Power Input Socket 4. AM Aerial Terminal 5. Aerial Earth Terminal 6. FM 75 Ohms Aerial Terminal 7. Video/Auxiliary (Audio Signal) Input Sockets 8. Surround Speaker Terminals 9.

  • Page 6: Operation Manual

    CD-C1831V OPERATION MANUAL – 6 –...

  • Page 7: Disassembly

    CD-C1831V DISASSEMBLY CD-C1831V Caution on Disassembly Follow the below-mentioned notes when disassembling Top Cabinet the unit and reassembling it, to keep it safe and ensure Front Panel (A1) x2 excellent performance: ø3x12mm 1. Take cassette tape and compact disc out of the unit.
  • Page 8 CD-C1831V (E1) x2 (N1) x1 ø3x10mm (F2) x2 (F1) x1 CD Video ø3 x10mm ø3x10mm (N1) x1 Front Panel ø3 x10mm (F5) x1 (F4) x1 (N2) x2 Washer (F2) x2 (F3)x1 Main (E2) x1 (G2) x1 (G3) x1 Tuner (N2) x2...

  • Page 9: Removing And Reinstalling The Main Parts

    CD-C1831V CP-C1831 CP-C1831 STEP REMOVAL PROCEDURE FIGURE (A3)x2 ø3x10mm Front Speaker 1. Front Panel .... (A1) x1 Tweeter (A3)x4 (A2)x2 2. Tip ......(A2) x2 ø4x12mm 3. Screw ..... (A3) x6 Note: The Surround speakers can be easily disassembled. Therefore the disassembling method is not described.

  • Page 10: Adjustment

    CD-C1831V ADJUSTMENT MECHANISM SECTION • FM • Driving Force Check Notes: 1: Description of the "FM IF Adjustment" is not carried on this Torque Meter Specified Value Manual. It is because the IF coil in the FM front end section...
  • Page 11 CD-C1831V 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-C1831V 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-C1831V TO MAIN SECTION TO MAIN SECTION 9 8 7 6 5 4 3 2 1 (TO IC601) 1 2 3 4 5 6 CNP11 JKV1 VIDEO OUT 9 8 7 6 5 4 3 2 1 BA4558F DQ12 ICV3 OPE AMP.
  • Page 14 CD-C1831V SO301 ANTENNA TERMINAL FM IF FE301 CF302 AM IF 75 ohms FM FRONT END T351 CF352 SWM3 FM IF IN FOOL PROOF SWM4 F.A.S FM/AM SOLM1 IC303 SOLENOID VR351 LA1832 FM MUTE LEVEL SWM5 FM/AM IF MPX. AM OSC...
  • Page 15 CD-C1831V SWM3 FOOL PROOF FL701 SWM4 F.A.S DISPLAY SOLM1 SOLENOID +B2,+B6 Q702 SWM5 1 2 3 4 37 38 39 Q703 TAPE MOTOR Q705 Q706 Q707 D701 ~D704 IC701 IX0314AW SYSTEM CONTROL FM/AM SWITCHING MICROCOMPUTER IC704 KIA7042AP RESET AVDD RX701...

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

    CD-C1831V RECORD SIGNAL FM SIGNAL PLAYBACK SIGNAL CNS11 R-CH A_GND L-CH CD_GND R639 C601 4.7/50 +12V R607 1.5K R608 1.5K C605 R605 1.5K R606 1.5K 4.7/50 R603 1.5K R604 1.5K C603 R602 1.5K R601 1.5K 4.7/50 C611 0.033 C612 0.033...
  • Page 17 CD-C1831V GNAL CD SIGNAL R633 L-CH R631 C631 390P JK601 C602 R634 C632 R632 VIDEO/AUX 4.7/50 R642 R608 1.5K 390P R-CH C606 R606 1.5K 4.7/50 R604 1.5K R640 47K D601 R602 1.5K 1SS133 D602 C612 0.033 C604 1SS133 Q650 4.7/50 R626 2.2K...
  • Page 18 CD-C1831V IC901 STK407-040B POWER AMP. (2Ch) C923 C915 R912 R921 100(1/4W) C916 Fusible C911 R917 R918 100/50 R916 C912 100/50 R913 C917 100 (1/4W) Fusible 47/50 R926 0.1 (1W) D906 D903 1SS133 1SS133 C921 C920 0.022 0.022 R931 C901 R905...
  • Page 19 CD-C1831V R960 M901 FAN MOTOR D960 R967 C961 1SS133 47/50 R963 R946 330(1/2W) HEADPHONES PWB-A5 R962 WTM801 R949 RL901 330(1/2W) C954 JK970 100/50 HEADPHONES C956 100/50 SURROUND SPEAKER L-CH D907 SURROUND SPEAKER R-CH 1SS133 SURROUND SPEAKER L-CH GND – OHMS/CH...
  • Page 20 CD-C1831V DISPLAY PWB-A3 FL701 FL DISPLAY CNSV2 P22 1 - E 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...
  • Page 21 CD-C1831V 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 RWC(DSP) WRQ(DSP) C706 CO IN(DSP) 1/50 SQ OUT(DSP) CQ CK(DSP) RES(DSP) C709 DRF(ASP) 0.022 D_GND C710 SLD+ 220/10 R778 SLD– R777 PUIN SW R776...
  • Page 22 CD-C1831V R2 1K LASER 47/10 DRIVER 0.01 KTA1504GR 0.01 1/50 6 4 6 3 4.7K 5 5 5 4 5 3 5 2 5 1 CNS1B CNS1A FIN2 4.7/25 FIN1 EFBAL FOSTA DGND TOSTA 2FREQ CNP1 LASER FSTA 0.033 100K...
  • Page 23 CD-C1831V CD VIDEO PWB-B (1/2) R57 1K CD SIGNAL R58 1K R59 1K R61 1K R62 1K R63 1K 0.01 RV83 220P KTC3876Y RV81 3.3M 7 8 77 7 6 7 5 7 4 7 3 7 2 7 1 7 0 9...
  • Page 24 CD-C1831V C2PO KTA1298Y KDS193 LRCK PC29M33T RV84 BCLK 4.7K DATAD RV85 47/6.3 0.22 GND(D) KTA1298Y +12V(A) GND(A) KDS193 KRC104S 4.7K +12V(A) GND(A) GND(D) AUDSW SDATA STROBE KEYCON RV16 1.2K RV17 1.2K RV18 1K RV19 1K RV11 RV86 4.7K 6 1 1 5 4 1 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1...
  • Page 25 CD-C1831V CD VIDEO PWB-B (2/2) VIDEO SIGNAL RV95 CV39 RV62 6.8K 100/10 RV63 CV40 22/6.3 JACK PWB-G CV41 4.7/25 CNPV4 JKV1 RV96 VIDEO OUT CV17 0.01 1SS133 CV18 100/10 CHASIS 1SS133 RV61 100K CV15 4.7/25 RV60 CV11 0.022 98 9 7 9 6 9 5 9 4 9 3 9 2 9 1 90 8 9 8 8 8 7 8 6 8 5 8 4 8 3 8 2 8 1 8 0 7 9 7 8 77 7 6...
  • Page 26 CD-C1831V TUNER PWB-C FM SIGNAL CNP303 D GND AM SIGNAL A+12V CNS303 A GND P17 12 - D TO MAIN PWB D353 DS1SS133 R363 R385 R354 5.6K 3.9K L352 R384 100µH 5.6K VOLTAGE R362 R364 REGULATOR 1.2K C370 R359 1.8K...
  • Page 27 CD-C1831V SO301 ANTENNA TERMINAL TUNER PWB-C 75 Ohms C301 C338 X352 C394 D302 D301 C381 C397 C382 C321 T302 R378 C347 C330 C341 R398 C331 C332 C337 C384 C334 Q360 R323 B C E VR351 R387 FM MUTE LEVEL C391...
  • Page 28 CD-C1831V P31 8 - H TO DISPLAY P33 7 - E TO CD VIDEO PWB CNS701 CNP11 FC701 CNS11 1 2 3 4 5 6 COLOR TABLE MAIN PWB-A1 BROWN RD(R) C605 C651 ORANGE C652 YELLOW R629 Q651 GREEN B C E...
  • Page 29 CD-C1831V P31 8 - H TO DISPLAY PWB CNS701 P27 12 - F FC701 TO TUNER PWB CNP303 R156 Q114 Q103 Q104 C156 Q122 B C E C136 R142 C134 R111 R170 Q105 C116 R112 C106 R118 C114 C142 C140...
  • Page 30 CD-C1831V COLOR TABLE SWITCH PWB-A4 RS707 SW708 LED704 LED707 LED706 LED7 LED705 C718 DISC SKIP RS704 RS706 RS703 RS712 RS705 C719 SW709 RD09 OPEN/CLOSE DISPLAY PWB-A3 SW729 EQUALIZER R727 C706 C720 FL701 D723 SW730 DIMMER C712 3 2 1 Q707...
  • Page 31 CD-C1831V RD(R) WH(W) COLOR TABLE ORANGE YELLOW GREEN VIOLET BLACK PINK BROWN BLUE GRAY WHITE SW707 SW706 LED704 LED710 LED703 LED702 LED701 LED709 LED708 RS710 DISC3 DISC2 RS701 RS703 RS702 FW702 RS708 RS709 SW705 RD06 DISC1 RD05 SW704 21 20...
  • Page 32 CD-C1831V CD VIDEO PWB-B (TOP VIEW) RV70 CV34 RV66 RV76 RV64 RV72 CV30 RV78 RV68 CV36 RV69 RV65 CV33 RV67 CV27 RV77 RV71 RV19 RV79 RV81 CV29 CV37 RV75 CV31 RV20 RV73 CV38 RV17 RV89 RV83 ICV1 CV35 RV21 RV59...
  • Page 33 CD-C1831V : Through-hole where the top and bottom patterns are connected. CD VIDEO PWB-B (BOTTOM VIEW) CNP12 P30 3 - H CNS12 TO DISPLAY PWB RV46 RV43 RV47 RV45 RV39 RV48 RV38 CNP11 ZD61 RV44 P28 5 - A CNS11...
  • Page 34 CD-C1831V SWM3 FOOL PROFF P30 5 - H (204-9) CNSM1 CNPM1 TO DISPLAY PWB FWM2 FWM1 PHM1 SWM4 CNPM2 F. A. S (204-10) TAPE MECHANISM SOLM1 SWM5 PWB-F SOLENOID (204-8) (204-11) TAPE MECHANISM ASSEMBLY TAPE MOTOR(204-7) TAPE 2 TAPE 1...
  • Page 35 CD-C1831V P33 11 - H TO CD VIDEO PWB CNPV4 CNP3 JKV1 P33 7 - F VIDEO CNPV3 TO CD VIDEO CNSV3A CNSV3B CNS3A JACK PWB-G CNS3B PICKUP UNIT(306) CNP3A CNS1A CNS1B P33 12 - H CNP1 TO CD VIDEO PWB...

  • Page 36: Voltage

    CD-C1831V VOLTAGE IC562 IC303 IC701 ICV1 ICV2 PIN VOLTAGE PIN VOLTAGE PIN VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE VOLTAGE VOLTAGE VOLTAGE 2.5V 2.5V 0.12V 2V (2V) 4.8V 4.8V 3.3V 3.3V 2.5V 2.6V 0.1V 5V (5V) 4.8V...

  • Page 37: Waveforms Of Cd Circuit

    CD-C1831V 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 38: Troubleshooting (Cd Section)

    CD-C1831V 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 39 CD-C1831V • When the turntable fails to stop. Is from 5 V till 2.5V down pulse (approx. 300 ms) Check the SWM3 and the wiring from the IC701 pin 21 to the 2.5V SWM3. input into the IC701 pin 21 when the turntable is rotating?
  • Page 40 CD-C1831V • 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 41 CD-C1831V • 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 42 CD-C1831V • 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 43: Function Table Of Ic

    CD-C1831V FUNCTION TABLE OF IC 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 44 CD-C1831V 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 45 CD-C1831V IC2 VHiLC78631E-1: Servo/Signal Control (LC78631E) (1/2) Terminal Name Input/Output Function VPDO Output Variable pitch PLL charge pump output. PDO2 Output Double-speed and mode playback PLL charge pump output. PDO1 Output Normal-speed mode playback PLL charge pump output. AVSS —...
  • Page 46 CD-C1831V IC2 VHiLC78631E-1: Servo/Signal Control (LC78631E) (2/2) Terminal Name Input/Output Function XVSS — Crystal osccillator garound. Normaly 0v. XOUT Output 16.9344 MHz crystal oscillator connections. Use a 33.8688 MHz Crystal oscillator for quadspeed playback. Input 16.9344 MHz crystal oscillator connections. Use a 33.8688 MHz Crystal oscillator for quadspeed playback.
  • Page 47 CD-C1831V IC3 VHiM63001FP-1: Focus/Tracking/Spin/Slide Driver (M63001FP) Pin No. Terminal Function IN2– IN6+ Name IN2- CH2 inverted input. IN1A– IN6– IN1A- CH1 inverted input. IN1B– VCC4 IN1B- CH1 output offset control. OUT1- CH1 inverted output. OUT1– OUT6– OUT1+ CH1 non-inverted output.
  • Page 48 CD-C1831V IC701 RH-iX0314AWZZ: System Microcomputer (IX0314AW) (1/2) Pin No. Terminal Name Input/Output Function — (+) POWER SUPPLY Input/Output P36/BUZ Input/Output Port 3 P35/PCL Input/Output 8-bit I/O port Can be specified for input or output in 1-bit units. P34/TI2 Input/Output Can directly drive LEDs.
  • Page 49 CD-C1831V IC701 RH-iX0314AWZZ: System Microcomputer (IX0314AW) (2/2) Pin No. Terminal Name Input/Output Function P127/FIP52 Input/Output P126/FIP51 Input/Output Port 12 P125/FIP50 Input/Output 8-bit P-ch open-drain high-voltage I/O port P124/FIP49 Input/Output Can be specified for input or output in 1-bit units. Can directly drive LEDs.
  • Page 50 CD-C1831V IC701 RH-iX0314AWZZ: System Microcomputer (IX0314AW) P87/FIP20 VLOAD P36/BUZ P90/FIP21 P35/PCL P91/FIP22 P34/TI2 P92/FIP23 P33/TI1 P93/FIP24 P32/TO2 P94/FIP25 P31/TO1 P95/FIP26 P30/TO0 P96/FIP27 RESET P97/FIP28 P100/FIP29 P101/FIP30 P102/FIP31 P103/FIP32 IX0314AW P04/XT1 P104/FIP33 P105/FIP34 P27/SCK0 P106/FIP35 P26/SO0/SB1 P107/FIP36 P25/SI0/SB0 P110/FIP37 P24/BUSY P111/FIP38...
  • Page 51 CD-C1831V ICV1 RH-iX0313AWZZ: MPEG Controller (IX0313AW) Pin No. Port Name Terminal Name Function Input/Output VOCAL CANCEL Output Vocal cancel K_C_DATA Output Key control IC data K_C_CLOCK Output Key control IC clock K_C_STROBE Output Key control IC strobe KEY CONT. Output...
  • Page 52 CD-C1831V ICV2 VHiD61012GC-1: MPEG Decoder (D61012GC) (1/2) Pin No. Terminal Name Input/Output Function — Digital supply. HD7-HD4 Input/Output Host data bus. HD7 = MSB, HDO = LSB. Internally pulled down. Pull down resistance = approx. 42 kohms. Can quit this pull down with the HD_PD_OFF register (74H, bo).
  • Page 53 CD-C1831V ICV2 VHiD61012GC-1: MPEG Decoder (D61012GC) (2/2) Pin No. Terminal Name Input/Output Function Output DRAM write enable signal. MCAS Output DRAM column address strobe signal. 54-56 MD7-MD5 Input/Output DRAM data bus. MD15 = MSB, MD0 = LSB. Internally pulled down. Pull down resistance is approx. 42 kohms.
  • Page 54 CD-C1831V ICV2 VHiD61012GC-1: MPEG Decoder (D61012GC) SRAM SRAM CD-DSP CBP3-CBP1 INTERFACE Video interface CDBCK Inter- NTSC/PAL CD-ROM CDLRCK VIDEO sepa- VOUT3-VOUT1 DECODER encoder lace CDEMPH ration Video CDC2P0 decoder VCLK HSYNC Synchronized signal VSYNC HD7-HD0 generating circuit CSYNC AUDO AUBCK...
  • Page 55 CD-C1831V ICV3 VHiSDM4260C-1: DRAM (SDM4260C) Function Port Name Pin No. Power supply 2-10 I/O0-I/O7 Data input/output 11*,12* Not used Read/write enable Row address strobe Not used 16-19 A0-A3 Address input (row/refresh: A0 to A3) (Column: A0 to A3) Power supply...

  • Page 56: Fl Display

    CD-C1831V FL701 VVKBJ685GNK-1: FL Display S5 S4 B5 B6 B7 [ 1G~8G ] [ 10G ] ANODE CONNECTION 2G~6G (LOWER) Figure 56 FL DISPLAY – 56 –...
  • Page 57 CD-C1831V PARTS GUIDE CD-C1831V MODEL CD-C1831V Video CD Mini System consisting of CD-C1831V (main unit), CP-C1831 (front speaker) and GBOXS0025AWM1 (surround speaker). “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information.
  • Page 58 CD-C1831V PRICE PRICE DESCRIPTION PARTS CODE PARTS CODE DESCRIPTION RANK RANK D702~704 VHD1SS133//-1 AA Silicon,1SS133 CD-C1831V D716~723 VHD1SS133//-1 AA Silicon,1SS133 D801 VHDTS6B04GM-1 AP Silicon,TS6B04GM INTEGRATED CIRCUITS D802 VHD1SS133//-1 AA Silicon,1SS133 D803~809 VHD1N4004S/-1 AB Silicon,1N4004S D810~813 VHD1SS133//-1 AA Silicon,1SS133 VHILA9241M/-1 AS Servo Amp.,LA9241M...
  • Page 59 CD-C1831V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AA 0.022 µF,25V VCCSTV1HL181J AA 180 pF,50V C353,354 VCTYMN1EF223Z AA 0.1 µF,25V C11,12 VCKYTV1EB104K C355 VCCSMN1HL220J AA 22 pF,50V AA 0.001 µF,50V VCKYTV1HB331K AA 330 pF,50V C356 VCKYMN1HB102K J AA 0.01 µF,50V...
  • Page 60 CD-C1831V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AC 1000 µF,6.3V,Electrolytic C815 VCEAZA0JW108M J VRS-TV2AB393J AA 39 kohms,1/10W AB 0.047 µF,50V,Mylar C821 VCQYKA1HM473K J VRS-TV2AB103J AA 10 kohm,1/10W AB 0.047 µF,50V,Mylar C824 VCQYKA1HM473K J VRS-TV2AB563J AA 56 kohms,1/10W AB 22 µF,25V,Electrolytic...
  • Page 61 CD-C1831V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R352 VRD-MN2BD102J AA 1 kohm,1/8W R717 VRD-MN2BD103J AA 10 kohm,1/8W R353 VRD-MN2BD271J AA 270 ohms,1/8W R719,720 VRD-MN2BD103J AA 10 kohm,1/8W R354 VRD-ST2CD392J AA 3.9 kohms,1/6W R721~723 VRD-MN2BD104J AA 100 kohm,1/8W...
  • Page 62 CD-C1831V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK RD17 VRD-ST2CD682J AA 6.8 kohms,1/6W CNS701 QCNCWZF22AWZZ J AE Socket,22Pin RD18 VRD-MN2BD123J AA 12 kohms,1/8W CNS804 QCNWN1389AWZZ J AC Connector Ass’y,2Pin RD19 VRD-MN2BD223J AA 22 kohms,1/8W CNSV2 QCNWN1519AWZZ J...
  • Page 63 CD-C1831V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK CD MECHANISM PARTS QLUGP0001AWZZ J AC Lug Wire LANGK0170AWFW J AC Bracket,Headphones Support 92LCAB3159AS1 Front Panel Ass’y NGERH0011AWZZ J AC Gear,Middle 244- 1 ———— Front Panel NGERH0012AWZZ J AC Gear,Drive...
  • Page 64 CD-C1831V PRICE PRICE DESCRIPTION PARTS CODE PARTS CODE DESCRIPTION RANK RANK PACKING PARTS LX-JZ0003AWFF AA Screw,Special LX-WZ9028AWZZ AB Fibre Washer 92L411-0075 AG Polyethylene Bag,Front Speaker ACCESSORIES/PACKING PARTS 92L412-0125 AN Packing Add.,Front Speaker QACCB0008AW00 J AW AC Power Supply Cord [For Hong Kong/U.K.]...
  • Page 65 CD-C1831V CD-C1831V 306-2 306-1 306-3 703x2 703x2 305x2 PWB-D Figure 8 CD MECHANISM EXPLODED VIEW – 8 –...
  • Page 66 CD-C1831V CD-C1831V 602x7 249-1 604x2 PWB-A4 613x2 PWB-A3 PWB-C 604x3 PWB-G 604x7 602x2 249-2 613x2 FL701 244-7 PWB-A5 244-23 244-4 244-24 605x2 244-8 244-6 244-16 244-14 IC901 244-20 244-19 244-17 616x2 240x6 PWB-A1 244-15 244-18 244-5 Silicon 244-22 244-13 grease...
  • Page 67 CD-C1831V CD-C1831V 255-3 255-2 617x2 255-1 251-3 617x2 251-2 251-1 251-4 236x2 MECHANISM 609x2 612x4 PWB-B PWB-E 611x2 SOLM2 Figure 10 CABINET EXPLODED VIEW (2/2) – 10 –...
  • Page 68 CD-C1831V CP-C1831 (with Capacitor C1,2) 911x2 910x4 SP3,4 SP1,2 TWEETER SP3,4 C1,2 Capacitor TWEETER C1,2 SP3(L-CH) Capacitor SP4(R-CH) 2.7µF/100V Electrolytic(N.P.) WOOFER SP1(L-CH) WOOFER SP2(R-CH) SP1,2 Figure 11 SPEAKER EXPLODED VIEW (1/2) – 11 –...
  • Page 69 CD-C1831V GBOXS0025AWM1 905x6 SP1,2 SP1,2 Figure 12 SPEAKER EXPLODED VIEW (2/2) – 12 –...
  • Page 70 CD-C1831V — M E M O — – 13 –...
  • Page 71 CD-C1831V — M E M O — – 14 –...
  • Page 72 CD-C1831V © COPYRIGHT 1999 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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