Sharp CD-BK3200V Service Manual

Video cd mini system
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NTSC/PAL
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ................................................................................................. 3
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY .................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 13
BLOCK DIAGRAM ........................................................................................................................................................... 25
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 28
VOLTAGE ........................................................................................................................................................................ 50
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 51
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 51
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 52
TROUBLESHOOTING ..................................................................................................................................................... 53
FUNCTION TABLE OF IC ................................................................................................................................................ 57
FL DISPLAY ..................................................................................................................................................................... 68
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
MODEL
CONTENTS
SHARP CORPORATION
- 1 -
VIDEO CD MINI SYSTEM
CD-BK3200V
CD-BK3200V Video CD Mini System consisting of
CD-BK3200V (main unit) and CP-BK3200 (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-BK3200V
No. S9155CDK3200V
Page

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Summary of Contents for Sharp CD-BK3200V

  • Page 1: Table Of Contents

    VIDEO CD MINI SYSTEM CD-BK3200V MODEL CD-BK3200V Video CD Mini System consisting of CD-BK3200V (main unit) and CP-BK3200 (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: Safety Precaution For Service Manual

    CD-BK3200V 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: Ac Power Supply Cord And Ac Plug Adaptor

    CD-BK3200V AC POWER SUPPLY CORD AND AC PLUG ADAPTOR QACCA0003AW00 QACCJ0007AW00 QACCB0011AW00 QPLGA0004AWZZ QPLGA0003AWZZ QACCE0008AW00 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-BK3200V Tuner General Power source AC 110/127/220/230 - 240 V, 50/60 Hz...
  • Page 4: Names Of Parts

    CD-BK3200V NAMES OF PARTS CD-BK3200V Front panel 1. Disc Trays 2. Timer Set Indicator 3. Disc Direct Play Buttons 4. Disc Eject Buttons 5. Memory/Set Button 6. Equalizer Mode Select Button 7. Volume Control 8. Extra Bass/Demo Mode Button 9. Tape 2 Record Pause Button 10.
  • Page 5 CD-BK3200V CD-BK3200V Rear panel 1.Transport screw 2. FM 75 Ohms Aerial Terminal 3. FM Aerial Earth Terminal 4. AM Loop Aerial Socket 5. Span Selector Switch 6. Video/Auxiliary (Audio Signal) Input Sockets 7. Video Output Socket 8. Speaker Terminals 9. AC Power Lead 10.
  • Page 6: Operation Manual

    CD-BK3200V CP-BK3200 1.Subwoofer 2.Bass Reflex Duct 3.Tweeter 4.Woofer 5.Speaker Wire for SUBWOOFER Terminals 6.Speaker Wire for MAIN Terminal OPERATION MANUAL System Connections Setting the AC voltage selector Setting the FM/AM span selector Check the setting of the AC voltage selector located on the rear panel before plug- ging the unit into a wall socket.
  • Page 7 CD-BK3200V Setting the Clock Press the TUNING/TIME ( or ) 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 8 If something is wrong with this product, check the following before calling your autho- Symptom Possible cause rised SHARP dealer or service centre. Radio makes unusual noise con- Is the unit placed near the TV or comput- General secutively.
  • Page 9: Disassembly

    CD-BK3200V DISASSEMBLY Caution on Disassembly CD-BK3200V 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 16mm (B2) x 2 (B1) x 1 excellent performance: ø3 x 12mm 1.
  • Page 10 CD-BK3200V CD-BK3200V (CD CHANGER MECHANISM UNIT) Headphones STEP REMOVAL PROCEDURE FIGURE (F1) x 2 ø3 x 8mm Top Cabinet 1. Screw ....(A1) x5 Side Panel 1. Screw ....(B1) x10 (F3) x 1 (F1) x 2 (Left/Right) 2. Hook ....(B2) x2 ø3 x 10mm...
  • Page 11 CD-BK3200V CP-BK3200 STEP FIGURE REMOVAL PROCEDURE Side Panel/ 1. Screw ..... (A1) x4 11-1 Front Panel 2. Hook ....... (A2) x3 3. Net ......(A3) x1 4. Catching Holder ..(A4) x4 5. Screw ..... (A5) x4 Subwoofer 1. Screw ..... (B1) x4...
  • Page 12: Removing And Reinstalling The Main Parts

    CD-BK3200V REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION TAPE 2 Clutch Ass'y Perform steps 1 to 4 and 7, 13 of the disassembly method to Record/Playback remove the tape mechanism. (See page 9.) Head How to remove the record/playback and erase heads (TAPE 2) (See Fig.
  • Page 13: Adjustment

    CD-BK3200V CD MECHANISM SECTION Stop Washer (A3) x 1 (A1) x 1 Perform steps 1 to 6 of the disassembly method to remove the ø2.6 x 6mm CD mechanism. (See page 10.) (A1) x 1 Pickup How to Remove the pickup (See Fig. 13-1) ø2.6 x 6mm...
  • Page 14 CD-BK3200V • FM RF TUNER SECTION Signal generator: 1 kHz, 40 kHz dev., FM modulated fL: Low-range frequency fH: High-range frequency Setting/ Test Stage Frequency Frequency Instrument • AM IF/RF Display Adjusting Connection Point Signal generator: 400 Hz, 30%, AM modulated FM Band —...
  • Page 15 CD-BK3200V TEST MODE During POWER OFF mode, push below each 2 keys and [POWER] key. Then go to each Test Mode. TEST MODE CONTENTS [CD] [X-BASS] + [POWER] TEST 1 CD Test mode [TAPE] [X-BASS] + [POWER] TEST 2 Tape test mode...
  • Page 16: Cd Changer Mechanism Main Base Parts Assembling/Adjusting Procedure

    CD-BK3200V CD CHANGER MECHANISM MAIN BASE PARTS ASSEMBLING/ADJUSTING PROCEDURE Work Content Assembly Fig. No. Applied Part No. Remarks 1. Motor assembly (x 2) mounting (screw x 4) 01/29 Fig.17 2. MT idle gear mounting (screw x 1) Fig.17 3. MT system gear assembly 23/24/26/27 Fig.17...
  • Page 17 CD-BK3200V STB DRIVE GEAR R STB GEAR D STB HOLDER MAIN BASE (ASSY) Mark position STB DRIVE GEAR A STB GEAR A STB GEAR ANG. STB GEAR B STB GEAR C STB DRIVE GEAR A STB DRIVE GEAR L TRAY BIG GEAR...
  • Page 18 CD-BK3200V Mark position * This position becomes the reference (stock) position of the tray. TRAY GEAR A These holes must align. TRAY GEAR B < Importance > TRAY DRIVE GEAR R M T SW PWB Direct the recess part TRAY JOINT GEAR R <...
  • Page 19 CD-BK3200V Mark position (Assemble the mode big gear in this position.) CHANGE BOX R MT IDLER GEAR F Note: To assemble the mode big gear, incline it, bring it into contact with the circumference and put the center hole into...
  • Page 20 CD-BK3200V Mark position LIFT GEAR A TRAY DRIVE GEAR F CHANGE BOX L < Importance > Direct the recess part (trapezoidal side) of the axis 35 in this direction. TRAY JOINT GEAR F LIFT TRAY JOINT GEAR F Scale: 2 magnifications...
  • Page 21 CD-BK3200V TOP PLATE F 37° Mark position LIFT GEAR A STB HOLDER HEIGHT ADJUSTING METHOD Adjusting procedure 1. Turn the mode big gear approx. 37 degrees in the arrow direction. 2. Viewing from the front side of the mechanism, verify that the guide ribs (CHANGE BOX L/R and STB HOLDER)of tray are as tall as each other.
  • Page 22 CD-BK3200V Mark position Be sure to assemble the tray into this position. 91~96 TRAY1~TRAY6 Insert it along the guide of the change box. LIFT GEAR A TRAY No.1~6 Rear Rear surface: Stamped. side Note: During insertion, Do not accidentally rearrange tray numbers.
  • Page 23 CD-BK3200V VIDEO CD SECTION Checking of vector scope waveform TEST DISC Model No.TVD-581A (NTSC/PAL) Checking Disc Checking Setting Item • Checking of video output signal Set the phase of color Phase check Checking of color bar Track 2 VIDEO OUT burst signal (B) to ±10°...
  • Page 24 CD-BK3200V Checking the black-and-white level Checking Disc Checking Setting Item Output level Track 3 VIDEO OUT 150 line. ±10 IRE 12.5% (This burst level is 40 IRE) 100% NTSC Waveform on 140 LINE Figure 24-1 140 IRE TV monitor Figure 24-2...
  • Page 25: Block Diagram

    CD-BK3200V LA7235M SERVO AMP. CONSTANT CNP7 +3.3V 16.934MHz VOLTAGE 72 71 70 69 68 67 66 65 FIN1 VVDD FIN2 ADAVDD TIN1 CD RES LCHO TIN2 LVDD CAMA_A_B RVDD LVSS CAMA_C_D XVDD RVSS CAMA_E_B_A CAMA_B_T_A RFEV RFEV CAMA_B_C RCHO FOCUS COIL...
  • Page 26 CD-BK3200V ANTENNA FM IF FM IF IC301 CF303 T302 TA7358AP BF301 CF351 FM FRONT END X351 B.P.F 450 kHz 456 kHz T351 CF352 SO302 FM ANTENNA AM IF TERMINAL IC303 LA1832S AM MIX MO/ST FM RF L312 T301 FM IF DET./ FM MPX./...
  • Page 27 CD-BK3200V LED714~ JOG701 FL701 LED718 FL DISPLAY LED725 VOLUME 5 6 9 67 65 66 64 63 62 60 56 53 52 51 LED709 P_IN LED710 IC702 LED711 D16315GB FL DISPLAY DRIVER IC701 RESOUT IX0413AW Q701 RESET Q702 SYSTEM RESET...
  • Page 28: Notes On Schematic Diagram

    CD-BK3200V VIDEO CD PWB-C (1/2) PICKUP UNIT CNP1 CNS1B CNS1A Vref R51 68K TIN1 R52 56K FIN1 0.047 R53 56K FIN2 R54 68K TIN2 LA9235M R79 1.5M C24 2.2/50 SERVO AMP. 47/6.3 FIN1 C12 0.022 ODRV (CH) RFSW FIN2 100P...
  • Page 29 CD-BK3200V C71 100P(CH) R71 1K 0.01 R72 1K R73 1K 100P C75~C78 (CH) R94 10K 100P(CH) R75 100 R76 1K R77 1K R78 1K LC78636E SERVO SIGNAL C80 0.1 DATAD CONTROL BLCK VDD5V LRCK EFMO 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 0.022...
  • Page 30 CD-BK3200V VIDEO CD PWB-C (2/2) KTC3203 Y VIDEO OUT SIGNAL KTA1271 Y RM35 KRC104 S 4.3A RM34 RM36 32 31 30 29 28 27 26 25 24 ICM4 IX0408AW EEPROM 1 2 3 4 5 6 7 8 9 10 11 12...
  • Page 31 CD-BK3200V BA4558F OPE AMP. CM50 CM52 10/16 RM63 RM65 – – RM66 CM53 CM54 CM55 10/16 RM68 100K RM67 CM47 100K CM46 RM62 RM59 CM45 100/10 L-CH RM54 AGND 100K RM52 RM51 RM53 R-CH RM55 100K 8.2K A10V CM44 CM43...
  • Page 32 CD-BK3200V MAIN PWB-A (1/2) IC601 R641 BI601 CNS601 R643 IC601 R-CH VIDEO R642 LC75341 A_GND CD PWB P29 11-B L-CH AUDIO PROCESSOR CNP8 M_GND C602 22/50 VREF + – +5.6V(M) R607 C607 C614 +10V(A) 0.1(ML) C608 2.2/50 LOUT ROUT 0.1(ML)
  • Page 33 CD-BK3200V VIDEO OUT SIGNAL FM SIGNAL PLAYBACK SIGNAL R641 1K RECORD SIGNAL R643 1K CD SIGNAL JK601 R642 1K VIDEO VIDEO IN SIGNAL /AUX R633 C602 MIC SIGNAL 22/50 L-CH C614 R608 C631 R631 2.2/50 6.8K 390P VIDEO IN (ML)
  • Page 34: Fl Display

    CD-BK3200V DISPLAY PWB-B1 65 64 63 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24...
  • Page 35 CD-BK3200V CASSETTE SOLENOID F. PLAY SOLENOID TAPE MOTOR PLAY FFC701 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 3 2 1 TAPE MECHANISM PWB-H...
  • Page 36 CD-BK3200V IC901 STK40270N POWER AMP. – Front_R Front_L C907 R926 C926 R993 0.0015 R996 0.0015 0.22 R902 R994 C923 C906 0.22 (2W) 0.22 C928 0.0015 (2W) R976 100/50 R924 (2W) C903 C904 C901 C902 R903 C909 C910 R918 100/50 C922...
  • Page 37 CD-BK3200V POWER AMP PWB-D1 FM SIGNAL IC902 STK40270N – POWER AMP. M902 CNP907 CNS907 C927 FAN MOTOR 0.0015 C929 R925 C923 – 100/50 (1/4) R927 R931 Fusible R977 C931 C921 R933 1/50 0.1(1W) 10/50 M901 R955 CNP904 CNS904 FAN MOTOR...
  • Page 38 CD-BK3200V AM LOOP ANTENNA SO302 FM ANTENNA CHASSIS CHASSIS TERMINAL CNP301 MAIN PWB-A (2/2) BF301 D302 C303 C314 D305 DS1SS133 B.P.F. DS1SS133 10P(CH) C338 0.0047 0.001 C308 FM SIGNAL FM RF 4.7P(UJ) L312 C304 D301 0.01 C315 DS1SS133 AM SIGNAL R311 0.0047...
  • Page 39 CD-BK3200V MIC PWB-J MIC SIGNAL CK48 220P RK47 CK41 CK53 RK46 8.2K 100/16 47/25 ICK1 DS1SS133 CK50 M65856SP CK46 100P MIC AMP. 2.2/50 RK45 RK11 6.8K DATA MICSW DS1SS133 CK35 0.01 CK51 RK10 RK49 MCLKCONT CLOCK 1/50 CK34 CK49 VACL...
  • Page 40 CD-BK3200V CNP8 VIDEO CD PWB P47 10-A 1 2 3 4 5 6 CNS601 MAIN PWB-A R378 R373 R372 X352 C384 C654 R388 R374 C382 1 2 3 4 5 6 7 8 9 R376 10 11 C381 C396 C395...

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