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14 BLOCK DIAGRAM
NOTE
Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.
14.1. OVERALL BLOCK DIAGRAM
TRAVERSE
MAIN P.C.B.
MECHANISM UNIT
PICK-UP
UNIT
IC2651
SPINDLE
SPINDLE
MOTOR
MOTOR
DRIVE
IC2601
TRAVERSE
TRAVERSE
MOTOR
MOTOR
DRIVE
FOCUS
COIL
TRACKING
COIL
LED
REMOTE
CONTROL
KEY
IC6301
16Mbit
FLASH
ROM
IC6001
OPERATION
MPU
IC6351
8Kbit
EEP ROM
IC3051
64Mbit
SDRAM
IC3001
DV2.1
RF SIGNAL PROCESSOR/
AV DECODER/
SERVO CONTROLLER/
OPTICAL DISC CONTROLLER/
SYSTEM CONTROLLER
37
IC4001
IC4003
SPEAKER
AUDIO POWER AMP
DC VOLUME CONTROL
HEADPHONE
AUDIO
D/A
CONVERTER
AUDIO OUT
OPT OUT
IC3201
IC8001
VIDEO
SIGNAL
LCD
PROCESSOR
VIDEO
VIDEO OUT
DRIVE
DVD-LS90PP/93P
OVERALL BLOCK DIAGRAM
DVD-LS90PP / DVD-LS93P
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