NAD T572C Service Manual page 4

3. DRIVE & RF CIRCUIT DIAGRAM
Tray Loading
Speed control
Turntable
not operate
Focus Servo Loop Sled Servo Loop
Spindle Servo Loop
Tracking Servo Loop
Turn Table Loop
21
CD laser
not operate
Turn table
speed control
Actuator spindle
sled not operate
WAVEFORM
3-21
DVD laser
not operate
4
6
18
19
20
19 20
18
Servo fail
3-22
CD laser
not operate
Focus
Servo fail
1
2
3
21
Tracking Servo fail
'02. 03. 19 R14133A