Sharp CD-BP1450V Service Manual
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Sharp CD-BP1450V Service Manual

Sharp CD-BP1450V Service Manual

Video cd mini system
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SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY .................................................................................................................................................................. 8
BLOCK DIAGRAM ........................................................................................................................................................... 11
SCHEMATIC DIAGRAM .................................................................................................................................................. 14
WIRING SIDE OF P.W.BOARD ....................................................................................................................................... 25
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 32
TYPES OF TRANSISTOR AND LED ................................................................................................................................ 32
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 33
VOLTAGE ........................................................................................................................................................................ 34
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
MODEL
NTSC/PAL
CONTENTS

SHARP CORPORATION

- 1 -
VIDEO CD MINI SYSTEM
CD-BP1450V
CD-BP1450V Video CD Mini System consisting of
CD-BP1450V (main unit), CP-BK1450 (front speakers)
and GBOXS0043AWM1 (surround speakers).
• 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 Service Manual is for the CD-BP1450V, which is a minor-
modification model of the CD-BP1300V. This manual, therefore,
describes only the changed points from the service manual. Please
refer to the CD-BP1300V service manual (No.S7057CDBP130V)
together with this manual.
CD-BP1300V
ADJUSTMENT ................................................................ 12
TROUBLESHOOTING (CD SECTION) .......................... 38
FUNCTION TABLE OF IC .............................................. 42
FL DISPLAY .................................................................... 53
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-BP1450V
No. S7058CDBP145V
Page
Page

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Summary of Contents for Sharp CD-BP1450V

  • Page 1: Table Of Contents

    • 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 Service Manual is for the CD-BP1450V, which is a minor- modification model of the CD-BP1300V. This manual, therefore, NTSC/PAL describes only the changed points from the service manual.

  • Page 2: Safety Precaution For Service Manual

    CD-BP1450V 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 1 Requirements. However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.

  • Page 3: Specifications

    CD-BP1450V FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-BP1450V General Tuner section Power source: AC 110/127/220/230-240 V, Frequency range: FM; 88 - 108 MHz 50/60 Hz AM; 531 - 1,602 kHz...

  • Page 4: Names Of Parts

    CD-BP1450V NAMES OF PARTS CD-BP1450V Front panel 1. (VCD/CD) Disc Number Indicators 2. Timer Indicator 3. Record Indicator 4. Sleep Indicator 1 2 3 4 5. Extra Bass Indicator 6. (VCD/CD/TUNER) Memory Indicator 7. FM Stereo Mode Indicator 8. FM Stereo Indicator 9.
  • Page 5 CD-BP1450V Rear panel Remote control 8 9 10 11 1. Video Output Socket 2. AC Voltage Selector 3. AC Power Input Socket 4. Surround Speaker Terminals 5. Front Speaker Terminals 6. Span Selector Switch 7. FM Aerial Earth Terminal 8. FM 75 Ohms Aerial Terminal 9.

  • Page 6: Operation Manual

    CD-BP1450V OPERATION MANUAL (Continued) Connecting the AC power lead AM/FM interval (span) Check the setting of the AC voltage selector located on the The International Telecommunication Union (ITU) has rear panel before plugging the unit into an AC socket. If nec-...
  • Page 7 CD-BP1450V – 7 –...

  • Page 8: Disassembly

    CD-BP1450V DISASSEMBLY Caution on Disassembly CD-BP1450V Follow the below-mentioned notes when disassembling Top Cabinet (A1)x2 the unit and reassembling it, to keep it safe and ensure Front Panel ø3x12mm excellent performance: 1. Take cassette tape and compact disc out of the unit.
  • Page 9 CD-BP1450V (J2) x1 Clamp Lever Turntable CD Player Unit (Top View) Slide Chassis (J1) x2 Cam Gear Rib Figure 9-1 Loading Chassis (E3)x1 (E2)x2 Figure 9-4 Front Panel (E2)x1 (K1) x3 Headphones (E1)x7 ø3x10mm Slide Chassis (E4)x1 (E2)x1 (K1) x3...
  • Page 10 CD-BP1450V (M2) x3 Mechanism Loading Motor (M1) x1 (M1) x1 (N1) x5 Figure 10-1 CP-BK1450 STEP REMOVAL PROCEDURE FIGURE Woofer 1. Front Panel .... (A1) x1 10-2 2. Screw ..... (A2) x4 Tweeter 1. Screw ..... (B1) x2 10-3 (A1x1)

  • Page 11: Removing And Reinstalling The Main Parts

    CD-BP1450V 27MHz 4.19MHz 2127 3545 10 24 35 DQ15 MD11 ICV2 DQ12 MD12 DQ11 D61012GC MD15 MPEG DECODER ICV3 ICV1 SDM4260C MPEG CONTROLLER DRAM IX0352AW MCAS MRAS 35 32 33 9597 98 99 ICV4 JK902 CNPV3 NJM2267M VIDO OUT VIDEO OPERATION AMP.

  • Page 12: Adjustment

    CD-BP1450V FM ANTENNA TERMINAL SO302 B.P.F IC301 T302 CF303 TA7358AP BF301 X351 FM FRONT END CF351 AM MIX AM IF FM+B MO/ST T301 L312 IC303 LA1832S FM IFDET/ FM/AM FM MPX. /AM IF MPX IN FM/AM AM LOOP ANTENNA FM OSC...
  • Page 13 CD-BP1450V R. PLAY F. PLAY T2 PLAY SW601 FL701 SPAN SELETOR FL DISPLAY T1 PLAY MOTOR Q702 TAPE SOLENOID DRIVER Q703 MOTOR Q706 Q705 Q704 LED722 60 5957 5655 54 5352 49 48 4746 44 4342 4140 RX701 SYS. STOP...

  • Page 14: Schematic Diagram

    CD-BP1450V KTA1298 Y KDS193 RV84 4.7K KTA1298 Y RV85 47/6.3 3.3V KRC104 S KDS193 C2PO LRCK BCLK DATAD MBUSY AV_GND D_GND MCLK RV86 4.7K 9 8 7 6 5 4 3 2 16 15 14 13 12 11 10 RV93...

  • Page 15: Cv17 0.01

    CD-BP1450V CD VIDEO PWB-B(1/2) VIDEO SIGNAL RV64 RV95 RV62 CV39 6.8K 1000/6.3 ICV4 NJM2267M VIDEO OPERATION AMP. RV63 VIDEO OUT PWB-A4 CV40 22/6.3 CV41 JK902 4.7/25 VIDEO OUT RV96 CV17 0.01 D919 CV18 1000/6.3 DS1SS133 CV15 RV61 4.7/25 100K D918...
  • Page 16 CD-BP1450V CD VIDEO PWB-B(2/2) CD SIGNAL Vref TIN1 FIN1 0.047 FIN2 TIN2 LA9235M 1.5M C24 SERVO AMP. 47/6.3 2.2/50 FIN1 CNP1 0.022 ODRV RFSW FIN2 120K (CH) AGCON TIN1 RF– TIN2 100/10 0.01 REF1 0.022 0.0047 VREF 0.33 (CH) ODRV 0.047...
  • Page 17 CD-BP1450V C71 100P R71 1K C72 0.01 R72 1K C73 100P R73 1K C74 100P R74 1K KTA1504 GR C75 100P R75 1K SERVO/SIGNAL C76 100P R76 1K CONTROL C77 100P R77 1K C78 100P R78 1K 2.2µH EFMO VDD5V 0.047...
  • Page 18 CD-BP1450V FL701 FL DISPLAY 3 4 5 7 8 9 12 13 14 15 17 18 19 22 23 24 25 27 28 29 30 31 82 83 84 85 87 88 89 92 93 94 95 97 98 99...
  • Page 19 CD-BP1450V FL701 FL DISPLAY 12 13 14 15 17 18 19 22 23 24 25 27 28 29 32 33 Q701 BI702 C707 CNS702 KRC107 M 1/50 CD INT WRQ(DSP) R744 CD CE R745 CD DO 100K P17 12 - E...
  • Page 20 CD-BP1450V R-CH IC601 LC75341 A_GND AUDIO PROCESOR L-CH CD_GND C607 10/50 C606 22/50 VREF INTERFACE C608 10/50 CNS601 BI601 C609 0.1(ML) LOUT ROUT R615 C610 0.1(M 3.9K C611 0.1(ML) LBASS RBASS R609 C612 0.1(M 8.2K C613 0.0027 LTRE RTRE C614 0.00...
  • Page 21 CD-BP1450V MAIN PWB-A1(1/3) C604 100/16 C605 C606 22/50 0.022 VREF C608 10/50 (D_GND) ROUT C610 0.1(ML) R616 3.9K (A_GND) RBASS C612 0.1(ML) A_10V RTRE C614 0.0027 C618 1/50 RSEL0 C630 1/50 TUN_R C624 1/50 TUN_L R618 C626 1/50 3.3K C628...
  • Page 22 CD-BP1450V MAIN PWB-A1(2/3) IC901 STK402-020 POWER AMP. 12 13 C932 220P R937 R955 C947 C948 R935 0.022 C938 C931 0.022 R954 C937 100/50 C949 220P (1W) 100/50 0.001 (1W) R947 R931 R938 R939 C939 C940 10/50 10/50 Fusible Fusible C933...
  • Page 23 CD-BP1450V C923 0.001 D901 DS1SS133 D902 DS1SS133 HEADPHONES PWB-A3 JK901 FW901 HEADPHONES C922 C921 R907 0.001 0.001 L903 R908 100µH L-ch L-ch C916 SURROUND 22/50 SPEAKER R-ch C915 22/50 R-ch L901 SO901 0.29µH SPEAKER TERMINAL L-ch L-ch L902 0.29µH FRONT...
  • Page 24 CD-BP1450V AM LOOP ANTENNA SO302 FM ANTENNA TERMINAL FM 75 ohms CNP302 MAIN PWB-A1(3/3) D304 DS1SS133 C301 0.001 BF301 D303 BAND PASS FILTER DS1SS133 FM SIGNAL D305 DS1SS133 C303 C314 10P(CH) 0.0047 AM SIGNAL C308 4.7P C304 L312 C309 0.01 C315 0.001...

  • Page 25: Wiring Side Of P.w.board

    CD-BP1450V P28 5-G TAPE MECHANISM TO DISPLAY PWB ASSEMBLY CNP703 FFC13 TAPE MECHANISM PWB-D TAPE MOTOR SOLENOID SOLENOID TAPE 2 TAPE 1 RECORD/PLAYBACK ERASE HEAD PLAYBACK HEAD HEAD P26 2-B TO MAIN PWB CNP802 1 2 3 4 5 6 7...
  • Page 26 CD-BP1450V MAIN PWB-A1 C949 C942 R939 R942 LG902 R948 R937 R947 IC801 IC802 LG901 IC901 R818 C819 R815 C936 R943 C827 Q903 C822 R813 C931 C935 C932 E C B Q902 R817 R932 B C E C818 C820 R945 C823...
  • Page 27 CD-BP1450V SO801 AC INPUT SOCKET AC 110/127/220/230-240V 50/60Hz LG902 IC801 P25 8-H TO POWER TRANSFORMER R818 R815 230-240V C827 220V C818 SW801 R814 VOLTAGE SELECTOR C826 127V 110V IC803 SO901 SPEAKER TERMINAL CNP801 R-CH R-CH SURROUND D807 SPEAKER Q804 L-CH...
  • Page 28 CD-BP1450V DISPLAY PWB-A2 Q701 RX701 REMOTE SW711 SENSOR EQUALIZER/ X-BASS/ DEMO C707 RD25 C702 RD10 RD11 R744 SW712 R701 VOLUME R703 R702 R704 R708 SW710 SW708 SW70 Q704 Q706 OPEN/CLOSE BOOK DIGES MARK RD07 R718 RD06 RD08 COLOR TABLE BROWN...
  • Page 29 CD-BP1450V P30 2-A TO CD VIDEO PWB CNP12 CNS702 1 2 3 4 5 6 7 8 9 10 11 12 FL701 21 20 BI702 SW701 C715 C705 ON STAND-BY LED722 D708 R742 C716 D709 R771 R701 C714 IC701 C712...
  • Page 30 CD-BP1450V CD VIDEO PWB-C (BOTTOM VIEW) FROM FROM DISPLAY PWB MAIN PWB P29 10-A P26 4-H CNS702 CNS601 CNP12 CNP11 CNPV3 121110 9 ZD61 48 49 RV84 60 64 ICV1 CNP4 CNP3 1 2 3 4 5 6 1 2 3 4 5 6...
  • Page 31 CD-BP1450V CD VIDEO PWB-C (TOP VIEW) CNS902 D918 RV64 RV63 CV17 RV62 D919 ICV4 CV39 RV96 RV95 CV41 CV18 JK902 VIDEO OUT RV61 VIDEO OUT PWB-A4 CV22 CV11 80 85 90 95 COLOR TABLE ICV2 BROWN RD(R) RV37 ORANGE CV20...

  • Page 32: Notes On Schematic Diagram

    CD-BP1450V 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 33: Waveforms Of Cd Circuit

    CD-BP1450V WAVEFORMS OF CD CIRCUIT Stopped Stopped 1999/04/05 17:33:17 CH1=500mV CH3=500mV 500ms/div CH1=500mV CH3=1V CH4=1V 500ms/div DC 10:1 DC 10:1 (500ms/div) DC 10:1 DC 10:1 DC 10:1 (500ms/div) NORM:20kS/s NORM:20kS/s PDO1 IC2 1 IC2 24 PDO2 IC2 2 IC2 23...

  • Page 34: Voltage

    CD-BP1450V VOLTAGE ICV2 IC701 IC101 IC901 PIN VOLTAGE PIN VOLTAGE VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE VOLTAGE 3.3V 3.3V 1.6V 0.7V 0V(0V) 4.78V 4.29V 3.3V 3.3V 1.6V 0V(0V) 3.3V 2.5V 1.6V 5.0V 4.81V 0.5V(0.5V) 3.3V 0.5V 1.6V 4.81V...

  • Page 35: Parts Guide

    PARTS GUIDE VIDEO CD MINI SYSTEM CD-BP1450V MODEL CD-BP1450V Video CD Mini System consisting of CD-BP1450V (main unit), CP-BK1450 (front speakers) and GBOXS0043AWM1 (surround speakers). “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A.
  • Page 36 CD-BP1450V PRICE PRICE DESCRIPTION PARTS CODE PARTS CODE DESCRIPTION RANK RANK FILTERS CD-BP1450V BF301 RFILR0008AWZZ AE Band Pass Filter INTEGRATED CIRCUITS CF303 RFILF0124AFZZ AD FM IF,10.7 MHz CF351 RFILF0003AWZZ AK FM IF VHILA9235M/-1 AQ Servo Amp.,LA9235M CF352 RFILA0009AWZZ AE AM IF...
  • Page 37 CD-BP1450V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AA 0.001 µF,50V VCKYTV1HB101K AA 100 pF,50V C392 VCKYMN1HB102K J AA 0.01 µF,50V AB 1 µF,50V,Electrolytic VCKYTV1HB103K C393 VCEAZA1HW105M J AB 47 µF,16V,Electrolytic C73~78 VCKYTV1HB101K AA 100 pF,50V C394 VCEAZA1CW476M J AA 0.1 µF,25V...

  • Page 38: Troubleshooting (Cd Section)

    CD-BP1450V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK RESISTORS R309 VRD-ST2CD103J AA 10 kohm,1/6W R311 VRD-MN2BD104J AA 100 kohm,1/8W R313 VRD-MN2BD333J AA 33 kohms,1/8W VRD-MN2BD000C AA 0 ohm,Jumper,ø1.4×3.5mm,Ivory R314 VRD-ST2CD220J AA 22 ohms,1/6W VRS-TV2AB000J AA 0 ohm,Jumper,1.25×2mm,Green...
  • Page 39 CD-BP1450V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R814 VRD-ST2CD330J AA 33 ohms,1/6W CNP102 QCNCM705GAFZZ J AB Plug,7Pin R815 VRD-ST2CD223J AA 22 kohms,1/6W CNP302 92LCONE2P5268 AB Plug,2Pin R817 VRD-ST2CD103J AA 10 kohm,1/6W CNP701 QCNCWZF21AWZZ J AF Socket,21Pin...
  • Page 40 AB Spring,Cassette Lock,Tape 1 TINSZ0602AWZZ Operation Manual MSPRD0110AWFJ J AB Spring,Cassette Lock,Tape 2 [Except for Thailand] 92LPT0331105 AM Turntable TLABB0001AWZZ AB Label,SHARP Corporation Japan PCUSG0022AWZZ J AB Cushion,Leg for Set PRDAR0162AWFW J Heat Sink,Main TLABE0456AWZZ Label,Bar Code [For Thailand] QCNWN1615AWZZ J...
  • Page 41 CD-BP1450V PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK P.W.B. ASSEMBLY (Not Replacement Item) PWB-A1~4 92LPWB3315MANS J — Main/Display/Headphones/Video Out (Combined Ass’y) PWB-B 92LPWB3287VCDS J — CD Video PWB-C QPWBF0027AWZZ J AD CD Motor (PWB Only) PWB-D ————...

  • Page 42: Function Table Of Ic

    CD-BP1450V CD-BP1450V 306-2 306-1 306-3 703x2 305x2 PWB-C Figure 7 CD MECHANISM EXPLODED VIEW – 7 –...

  • Page 43: Motor

    CD-BP1450V CD-BP1450V BELT CONNECTION FF/REW FF/REW 601x3 ROLLER TEPE ROLLER ASS'Y MOTOR ASS'Y 202-1 FLYWHEEL FLYWHEEL ASS'Y ASS'Y MAIN BELT TAPE 2 TAPE 1 PWB-A2 605x10 611x9 PWB-A4 202-2 IC801 610x2 PWB-A3 610x2 614x2 FL701 IC802 Silicon grease 610x2 IC901...
  • Page 44 CD-BP1450V CD-BP1450V 604x2 604x2 MECHANISM PWB-E 250x4 239x4 204-2 204-1 204-3 PWB-B Figure 9 CABINET EXPLODED VIEW (2/2) – 9 –...
  • Page 45 CD-BP1450V CP-BK1450 (with Capacitor) 908x2 C1,2 909x2 SP1,2 910x4 SP3,4 SP1,2 TWEETER C1,2 Capacitor SP1,2 TWEETER C1,2 Capacitor (N.P.) SP3,4 WOOFER SP3,4 WOOFER Figure 10 SPEAKER EXPLODED VIEW (1/2) – 10 –...
  • Page 46 CD-BP1450V GBOXS0043AWM1 905x6 SP1(L-CH) SP2(R-CH) SP1(L-CH) SP2(R-CH) Figure 11 SPEAKER EXPLODED VIEW (2/2) – 11 –...
  • Page 47 CD-BP1450V –– MEMO –– – 12 –...
  • Page 48 CD-BP1450V © COPYRIGHT 2000 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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