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LG RD-JT40/41 Service Manual
32
5. Translation Board Trouble Shooting Guide
VCCCPU OK
DS660 Translation Board Trouble Shooting Guide
VCC,12V
function OK?
Yes
No
1.Q705
2.Q706
3.Q701
4.Q702
Abnormal
function
OK?
Yes
No IC806
LAMPEN-S
function OK?
Yes
No
1.Q802
2.IC805
LAMP_LIT
function OK?
Yes
No
1.Q707
2.Q708
IR0 function
OK?
Yes
No
1.IC802
2.IC803
POWERONA
function OK?
Yes
No
1.Q803
2.Q703,Q704
LED_1~3,
FAN_HSO
function OK?
VPOSRAIL,
VNEGRAIL
function OK?
Yes
No IC802
No
1. Q15
2. Q9
3. D8
4. D10
5. U2
6. D12
7. D11
8. D9
END
Yes