LG S65T1-S Service Manual page 64

ELECTRICAL TROUBLESHOOTING GUIDE
3A
"LG Logo"
display on monitor
OK?
YES
"LG Logo"
display on monitor
OK?
YES
System part OK.
IC101: 3.3 VA /
NO
IC151: 1.5 V, 1.2 V /
IC156 : 3.3 V OK?
X501
27.000 MHz
OK?
IC503
NF_ALE, NF_CLE
OK?
Replace IC501 MT8563
or IC151, IC156.
3B
Display
NO
cable connection
OK?
2-49
NO
YES
NO
YES
NO
YES
YES
NO
Check IC101 / IC151 / IC156
and SMPS.
Replace X501.
Replace IC503
(NAND FLASH).
Proper display
cable connect.