LG HR832T Service Manual page 103

ELECTRICAL TROUBLESHOOTING GUIDE
4A
"LG Logo"
display on Monitor
OK?
YES
System part OK
IC500,
NO
IC605 Vcc 1.2V, 3.3V,
1.5V OK ?
IC600,
IC601,IC602,IC603 Vcc
1.5V OK ?
X501
27.000 MHz
OK ?
Signal
NAND_DATA
OK ?
Replace IC500 BCM7632
or IC600,IC601,IC602,IC603.
3-88
NO
YES
NO
YES
NO
YES
NO
YES
Check IC201,IC202,IC203
and SMPS.
Check IC202
and SMPS.
Replace X501.
Replace IC605
(NAND flash).