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Standard Repair Process Detail Technical Manual
symptom
Content
SET Model
55QNED80/81
Power Check Sequence
1. AC input Check : SK100 (100~240Vac)
2. PWR-ON Check : P201, 3 pin
- SET On : above 3V
- SET St-by : 0V
3. 13.2V DC Check : P201, 6~10 pin
- SET On : 13.2V
- SET St-by : 7.8V
4. DRV-ON Check : P201, 13 pin
- SET On : above 3V
- SET St-by : 0V
5. LED voltage Check : P801, 8 pin & P802, 1 pin
All condition meets, Power Board OK.
Error
B. Power error _No power
Check power input voltage and ST-BY
Power P/N, Name
EAY65895417, LGP55S-23UL6
Established
date
Revised
date
SK100 (AC input)
A9
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Only for training and service purposes.
A9
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