LG 43UR8000PSA - Page 62

Established
date
Standard Repair Process Detail Technical Manual
A18
Error
symptom
Content
Check power input voltage and ST-BY 7.8V
SK100 (AC input)
All condition meets, Power Board OK.
SET Model
Power P/N, Name
43UR80/81* EAY65895567, LGP43NT-21U1
Power Check Sequence
1. AC input Check : SK100 (100~240Vac)
2. PWR-ON Check : P201, 11pin
- SET On : above 3V
- SET St-by : 0V
3. 13.2V Level Check : P210, 4~8pin
- SET On : 13.2V
- SET St-by : 7.8V
4. DRV_ON Check : P210, 1pin
- SET On : above 3V
- SET St-by : 0V
5. LED voltage Check : p801
A18
B. Power error _No power
Revised
date
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