LG HR832T Service Manual page 90

4. NO HDD DETECTED
When you access the internal HDD, it will display "No HDD detected" on the screen.
4-1. 5 V DCDC COIL AND HDD CABLE
4-1-1. Solution
Re-soldering L292N, change the IC900.
4-1-2. L292N How to troubleshoot (Countermeasure)
Refer to the previous page.
4-1-3. IC900 How to troubleshoot (Countermeasure)
1) Please check VCC 5V of IC900 pin44.
If it doesn't work, check the IC290N.
If VCC 5 V is working, check the 1.8 V of IC900 pin3, 3.3 V of IC900 pin2 and X900.
If it doesn't work, change the IC900.
If 1.8 V and 3.3 V is working, check the IC900 pin30, 31, 35, 36.
If there is no signal, check the SATA and HDD power cable connection.
If signal is coming to IC, check the IC900 pin9, 10.
If there is no signal, change the IC900.
4-1-4. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
< MAIN board top view >
3-75
IC900