LG RH265 Service Manual page 19

ELECTRICAL TROUBLESHOOTING GUIDE
No 5.0VD
YES
Is there
about 5.3V at the IC153
pin1?
YES
Is there
about 4V ~ 5V at the IC153
pin4?
YES
Check the IC153 and Replace
No 2.5V
YES
Is there
about 3V ~ 3.8V at the IC151
pin1?
YES
Is there
about 4V ~ 5V at the IC151
pin4?
YES
Check the IC151 and Replace
LGE Internal Use Only
NO
Check 5.3VA on SMPS Board
NO
Check the "PWR CTL H"
signal from µ-COM
NO
Check D154 and D123
on SMPS Board
NO
Check the "PWR CTL H"
signal from µ-COM
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