LG HR832T Service Manual page 91

5. DISC TRAY CAN NOT OPEN, CLOSE/ DISC READING PROBLEM
When you want to play the BD Disc, you can not open, read disc.
5-1. IC202
5-1-1. Solution
Check the CN701, CN705, CN707 around.
5-1-2. How to troubleshoot (Countermeasure)
1) Check the FFC cable of CN701, CN705, CN707.
Change the MD. If the problem is same, you can try this.
If you can not open, close, check the CN707 pin5, 6, 7, 8.
If there is no signal, check the IC704.
If there is disc reading problem, check the CN707 pin23, 24.
If the signal is unstable eye pattern, check the IC704, IC705.
5-1-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
IC705
< MAIN board top view >
< MAIN board bottom view >
3-76
Check the cable
IC704