Toshiba SD-2715 - Drive & RF Circuit Diagram

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3. DRIVE & RF CIRCUIT DIAGRAM
4
1
6
2
3
1
WAVEFORM
Spindle Servo Loop
Turn Table Loop
Focus Servo Loop
Tracking Servo Loop
Sled Servo Loop
Turntable
not operate
Tray Loading
Speed control
Turn table
speed control
Spindle Motor
unstable
Actuator spindle
sled not operate
DVD laser
not operate
CD laser
not operate
Servo fail
DVD Mode fail DVD
Laser not operate
Tracking Servo fail
Focus
Servo fail
µ-com
Interface line
CD/DVD picture
abnormal