LG HR832T Service Manual page 94

ELECTRICAL TROUBLESHOOTING GUIDE
No 3.8 VA
YES
Is the
Vcc supplied to D131
anode?
YES
Is the D131
output 3.8 V?
YES
Is L124
inserted properly?
YES
re-soldering L124.
Check soldering
connector P101.
No 13 VA
YES
Is the
Vcc supplied to D124
anode?
YES
Is the D124
output 13 V?
YES
Is L123
inserted properly?
YES
re-soldering L123
Check soldering
connector P101.
NO
Check SMPS primer side.
NO
D131 OK?
NO
C124 OK?
Re-insert or
C134 OK?
NO
Check SMPS primer side.
NO
D124 OK?
NO
C123 OK?
Re-insert or
C133 OK?
3-79
NO
YES
NO
YES
YES
NO
YES
NO
YES
YES
Check or replace D131.
Check or replace C124.
Check or replace C134.
Check or replace D124.
Check or replace C123.
Check or replace C133.