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19 Schematic Diagram
SCHEMATIC DIAGRAM-1
DVD MODULE (IN/OUT) CIRCUIT
TO
SPINDLE
MOTOR
ASSY
TO
OPTICAL
PICKUP
UNIT
: +B SIGNAL LINE
: CD-DA SIGNAL LINE
: MAIN SIGNAL LINE
IC8271
Spindle
Motor Drive
IC8251
Tracking Coil/Focus Coil/
Travarse Motor Drive
QR8571
Switch
Q8550
Switch
Q8560
Switch
Q8562
Q8561
LD Drive
LD Drive
Q8552
LD Drive
Q8551
LD Drive
: DVD(VIDEO) SIGNAL LINE
: DVD(AUDIO) SIGNAL LINE
IC8451
IC8111
Power Supply IC
IC8691
AND GATE IC
IC8695
AND GATE IC
61
TO
MAIN
CIRCUIT
(CN2004)
ON
SCHEMATIC
DIAGRAM-3
QR8420
Muting Switch
SA-HT670PC
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