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Standard Repair Process Detail Technical Manual
Error symptom
Content
SET Model
55SK80 LGD
EAY64808601, LGP4955-18UL6
Power Check Sequence
1. AC input Check : SK100 (100~240Vac)
2. PWR-ON Check
- SET On : above 3V
- SET St-by : 0V
3. DRV_ON Check
- SET On : above 3V
- SET St-by : 0V
4. 13.2V DC Check
- SET On : 13.2V
- SET St-by : 7.8V
5. LED voltage Check : P202(LED+),P203(GND)
Min
Typ.
117 V
130 V
all condition meets, Power Board OK.
B. Power error _No power
Check power input voltage and ST-BY 7.8V
Power P/N, Name
Max
143V
P203,P202
SK100 (AC input)
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Only for training and service purposes.
A10
P201
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