Abnormal Servo Operation - LG BD550 Service Manual

5. ABNORMAL SERVO OPERATION

- The actuator, spindle and sled operation of pick-up are abnormal.
- After changing MD, the motors are abnormal operations.
- After changing Motor Drive IC, the motors are abnormal operations.
5-1. Component
1) MD (Traverse Assembly)
2) IC706 – LM358
5-2. How to troubleshoot (Countermeasure)
1) Check if the input/output voltage of IC706 (Pin5 and Pin7) is 1.67V.
5-3. Service hint (Any picture / Remark)
4-6
2010
1.67V