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Standard Repair Process Detail Technical Manual
symptom
Content
SET Model
86UK65 LGD
EAY64908701, LGP86TJ-18U1
Power Check Sequence
1. AC input Check : SK101 (100~240Vac)
2. PWR-ON Check : J18
- SET On : above 3V
- SET St-by : 0V
3. 13.2V DC Check : J3
- SET On : 13.2V [12.45V ~ 13.86V]
- SET St-by : 7.8V
4. MS Level Check : MS
MS Level
Range [V]
MS (0V)
0 ~ 0.25
MS (2V)
1.75 ~ 2.25
MS (3V)
2.75 ~ 3.25
※ Home mode : General Customer
Store mode : use Store
5. LED voltage Check : P801, Pin 1-3,5-7
Picture Condition : VIVID (Back light 100)
Voltage
Current (MS2)
240 V
410mA(393~434.8mA)
240 V
410mA(393~434.8mA)
all condition meets, Power Board OK.
Error
B. Power error _No power
Check power input voltage and ST-BY 7.8V
Power P/N, Name
LED On/Off
Off
On (Home mode)
On (Store Mode)
Power Board Voltage / Current
A18
Established
date
Revised
date
P801
P201
SK100 (AC input)
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
A18
MS
J3 (13.2V)
J18 (PWR-ON)
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