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Sanyo CDP-970 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
Schematic diagram .......................................................... 6
Wiring diagram (CD Main) ................................................ 8
Wiring diagram (Display) .................................................. 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 : 4.5V (AC adaptor)
Dimensions ................... Approx. 134 x 33 x 147 mm
Weight ........................... Approx. 220g (without batteries)
Specifications subject to change without notice.
FILE .NO
CDP-970
(XE)
PRODUCT CODE No.
164 098 00
DC : 3V (R6/AA x 2)
(W x H x D)
SM
REFERENCE No.
5810356

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  Summary of Contents for Sanyo CDP-970

  • Page 1: Table Of Contents

    FILE .NO CDP-970 (XE) Compact Disc Player Service Manual CONTENTS PRODUCT CODE No. 164 098 00 Specifications ..............Top Laser beam safety precautions ........1 Exploded view (cabinet and chassis) ....... 1 Parts list ................2 IC block diagram and description ........3 Wiring Connectgion ............
  • Page 2: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS • Pickup that emits a laser beam is used on this CD section. EXPLODED VIEW - 1 -...
  • 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 IC101A FAN8038B (Power & Driver) IC201A SIL9223B02 (RF AMP. & Servo Signal Processor) RF Amp FDFCT MICOM Data Focus Phase Interface Logic Compensation & Offset cancel circuit Focus Error Amp FE-BIAS Adjustment FEBIAS TDFCT Tracking Error Amp E/F Balance &...
  • Page 5 IC BLOCK DIAGRAM & DESCRIPTION IC401A S3C70F4X11 (Microcntroller) Basic Timer Watch Timer RESET 8-Bit P0.0/CLO I/O Port 0 Timer/Counter P0.1/TIO P0.2/INT1 Interrupt Stack Clock Control Pointer Block P3.0/TCL0 Serial I/O Port I/O Port 3 P3.1/TCLO0 Program P3.2/CLO Internal Counter P0.0/SCK Interrupts Input Port 1 P0.1/SO...
  • Page 6: Wiring Connection

    IC BLOCK DIAGRAM & DESCRIPTION IC601A FAN7000D ( Power OP. AMP.) WIRING CONNECTION LCD1 BAT+ BAT- J101 DC IN J302 PHONE VR601 VOLUME - 5 -...
  • Page 7: Schematic Diagram

    SCHEMATIC DIAGRAM 6.8K This is a basic schematic diagram. - 6 - - 7 -...
  • Page 8: Wiring Diagram (Cd Main)

    WIRING DIAGRAM (CD MAIN) WIRING DIAGRAM (DISPLAY) A SIDE B SIDE SANYO Electric Co., Ltd. Osaka, Japan Sep. / '02 Printed in Japan - 8 -...

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Cdp-970xe