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Sanyo CDP-4500 Service Manual

Compact disc player
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Service Manual
CONTENTS
Specifications ................................................................... Top
Laser beam safety precautions ........................................ 1
Exploded view (cabinet and chassis) ............................... 1
Parts list ........................................................................... 2
IC block diagram and description ..................................... 3
Wiring Connectgion .......................................................... 5
Schematic diagram .......................................................... 6
Wiring diagram (CD Main B side) .................................... rear

Specifications

Channels ....................... 2 channels
S/N ratio ........................ 60 dB
Wow & Flutter ................ Undetectable
Sampling frequency ...... 44.1kHz
Pickup light source ........ Semiconductor laser
Pickup wavelength ........ 790nm
Laser output .................. Continuous wave max. 0.5mW
Terminal impedance ..... Phones : 16 - 32 ohms
Compact Disc Player
Power source ................ DC : 6V
Dimensions ................... Approx. 128 x 28.5 x 137 mm
Weight ........................... Approx. 200g (without batteries)
Specifications subject to change without notice.
FILE .NO
CDP-4500
CDP-4550
(XE)
PRODUCT CODE No.
164 096 00 4500
164 096 01 4550
(AC adaptor or Cigarette lighter adaptor)
DC : 3V (R6/AA x 2) (for CDP-4500)
3V (Ni-Cd battery NBP-50B or
R6/AA x 2) (for CDP-4550)
(W x H x D)
SM
REFERENCE No.
5810324

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  Summary of Contents for Sanyo CDP-4500

  • Page 1: Table Of Contents

    Power source ....DC : 6V S/N ratio ......60 dB (AC adaptor or Cigarette lighter adaptor) Wow & Flutter ....Undetectable DC : 3V (R6/AA x 2) (for CDP-4500) Sampling frequency ..44.1kHz 3V (Ni-Cd battery NBP-50B or Pickup light source ..Semiconductor laser R6/AA x 2) (for CDP-4550) Pickup wavelength ..
  • Page 2: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS • Pickup that emits a laser beam is used on this CD section. CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE FOR STRÅLING.
  • Page 3: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN ! ! ! BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY , USE ONLY THE REPLACEMENT PARTS ! ! ! DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN...
  • Page 4: Ic Block Diagram And Description

    IC BLOCK DIAGRAM & DESCRIPTION IC601 BA5901k(4ch Driver + Power Control) BRAKE1 AMUTE MUTE2 MUTE3,4 MAXIMUM DETECTION START Vref TRIANGLE WAVE CHGV VSYS2 PRE-DRIVER POWER SUPPLY OVER-VOLTAGE OPOUT PREGND PWMFIL VSYS1 Pin No. Name Description Pin No. Name Description BSEN BATTERY VOLTAGE MONITOR BRAKE1 CH1 BRAKE...
  • Page 5: Wiring Connectgion

    WIRING CONNECTION IC BLOCK DIAGRAM & DESCRIPTION IC201 BU9528KS(Servo Signal Processor) CN502 (22P) 60 DFDIN AVDD2 I /O CONTROL AVDD1 RLINEO RLINEI RDACO WINDOW VCDAC 8fsDF RVCO LDACO AGND1 LLINEI FEIN LLINEO FCAPA AGND2 16k SRAM TEIN RMUTE LMUTE DVDD1 TCAPA1 WFCK SERVO...
  • Page 6: Schematic Diagram

    SCHEMATIC DIAGRAM This is a basic schematic diagram. - 6 - - 7 -...
  • Page 7: Wiring Diagram (Cd Main A Side And Disply)

    WIRING DIAGRAM (CD MAIN A SIDE and DISPLAY) CD MAIN DISPLAY - 8 -...
  • Page 8: Wiring Diagram (Cd Main B Side)

    WIRING DIAGRAM (CD MAIN B SIDE) SANYO Electric Co., Ltd. Osaka, Japan Jun. / '02 Printed in Japan...