All Dvd Disc" Reading Error - LG BD630N Service Manual

ONE POINT REPAIR INSTRUCTION

2. "ALL DVD DISC" READING ERROR

- All the DVD disc is not operated, but BD and CD are operated normally.
- If the LD current control is abnormal, DVD doesn't work.
2-1. Component
1) MD (Traverse Assembly)
2) Q701, Q704
2-2. How to troubleshoot (Countermeasure)
1) Check MD (Traverse, pick-up) first of all.
2) Check the DVD LD control input/output.
If input signal (VRDC2O) is OK, but no output (DVD_LD), check the TR Q701, Q704.
2-3. Service hint (Any picture / Remark)
INPUT
(FROM MAIN CHIP)
OUTPUT
(TO PICK-UP)
4-3