Drive & Rf Circuit Diagram - NAD T531B Service Manual

3. DRIVE & RF CIRCUIT DIAGRAM
TRACKING LOOP SLED LOOP
FOCUS LOOP SPINDLE LOOP
WAVEFORM
3-25
4
1
6
2
3
1
Q2A1, Q2A2 are defective.
IC2A2 is defective.
CD/DVD LD will not be on.
No fucus & tracking control.
3-26
NAD