System - LG BH100 Training Manual

SYSTEM

POWER on
"HELLO PLEASE WAIT"
Display on VFD OK?
YES
"READING"
Display on VFD OK?
YES
System part OK
BH100 Blu-ray Player
P602, 8 pin; +5V,
NO
3 pin; -28V, 4 pin; -32V,
5 pin; -36V ?
X602 10MHz OK?
R613 About 625kHz
serial Clock OK?
R611
about 3MHz
OK?
DIS600 change
P901,
11pin; 12V, 9 pin; 5V,
4 pin; 3.3V?
C971; 2.6V,
C972 ; 1.3V C962, C967,
C9F5 ; 1.2V, C9F3 ; 2.5V,
C9E3; 1.8V ?
X402
54.000MHz OK?
IC402
Pin 2, 3, 5, 7 27MHz
OK?
X401
25.000MHz OK?
Check IC301
45
TROUBLESHOOTING
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Check SMPS
X602 change
IC600 change
IC601 change
Timer Board
Check SMPS
IC904 Change,
IC901 Change
IC905 or IC903 or
IC908 Change, IC907
Change, IC902
X402 change
IC605 change
X401 Change
Main Board
Troubleshooting