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Service Manual
Compact Disc
Player
SA/MYO
CP888 (AUSTRALIA)
Contents
Specifications ................. 1
Laser beam safety precautions ...... 1
Before repairing the compact disc
player ..................... 3
Handling the pick up ............ 3
How to disassemble the unit ....... 4
Details of pick up .............. 6
Parts location ................. 7
Adjustments ................. 7
Cabinet8ichassls explodéd'view. . . . 12 '
Parts list ................... 13
Mechanism Exploded View .......
Mechanism Parts list ............ 16
IC Block diagram .............. 16
Voltages of lCS 8: Tranisitors ..... 20
Wiringdiagram...........:,..22
Schematic diagram ............. 24
Block diagram ................ 26
PRODUCT CODE No.
137 037 13 (Black)
REFERENCE No. WM-580074
SPECIFICATIONS
Audio
Channels ........ 2 channels
Frequency
response ........ 5 - 20,000 HZ
Channel
separation ...... 90 dB (1 kHz)
Distortion ....... 0.03% (1 kHz)
Wow and flutter . . . Undetectable
Outputs ......... 1.8 V/Ik ohms
Signal format
Sampling
frequency ....... 44.1 kHz
Quantization ..... 16 bits linear/
channel
Transmission rate . .
Pick up
System .........
Light source ......
Wave length ......
General
Power supply .....
Dimensions
(approx.) .......
Specifications and design subject to change without notice.
LASER BEAM SAFETY PRECAUTIONS
4.32 M bit/sec.
Light pickup
(3-beam)
Semiconductor
laser
790 nm
AC 240V, 50Hz
420(W) x 75(H)
x 270 (D) mm
(1) A Pick-up that emits a laser baam is used in this compact disc player.
t.._._._._._._._._._.
COMPACT
DISC 6
LASER BEAM A
PICK UP
BJECTIVE
LENS 0F
PICK-UP
INVISIBLE LASER RADIATION
EXPOSURE TO BEAM l5 DANGEROUS
CLASS 33 LASER PRODUCT
OUTPUT POWEH' ~T OmW MAX.
WAVELENGTH """ 790nm
CAUTIONlNVlSlBLE LASER
RADIATlON WHEN OPEN AND
INTEFILOCK DEFEATED,
EXPOSURE TO BEAM lS DANGEROUS
LASER BEAM A
PICK- UP
COMPACT DISC