Read LG 42PQ1100-ZE (CHASSIS:PD92A) Service Manual online
• Exception
- USB power could be disabled by inrushing current
- In this case, remove the device and try to reboot the TV (AC power off/on)
Making
Revision
2009. 2 . 1
PDP TV
Input
Block
USB Problem
Check USB 2.0 Cable for damage
or open conductors
Check L701 voltage level 5V
Y
N
Replace L701
Check JK706
Replace JK706
Y
N
Replace Mstar IC100
Y
Check IC400
N
Replace IC400
Y
13/14
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