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60PJ101C-WA, 60PJ102C-WA, 60PJ103C-WA, 60PJ104C-WA (CHASSIS:PC01A) - LG TV Service Manual (repair manual). Page 13

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9. POWER PCB Ass’y Voltage
Adjustment
(Va/Vs Voltage Adjustment)
(1)Test equipment : D.M.M 1EA
(2) Connection Diagram for Measuring : refer to fig.1 
9-1. Adjustment method
(1) Vs adjustment (refer fig.1)
1) Connect  +  terminal  of  D.M.M.  to  Vs  pin  of
P812(42”:P811),  connect  -terminal  to  GND  pin  of
P812(42”:P811)
2) After  turning  VR901,  voltage  of  D.M.M  adjustment  as
same  as  Vs  voltage  which  on  label  of  panel  left/top    (
deviation ; ±0.5V)
(2) Va adjustment (refer fig.1)                                               
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect  +  terminal  of  D.M.M.  to  Va  pin  of
P812(42”:P811),  connect  -terminal  to  GND  pin  of
P811(42”:P812).
3) After  turning  VR502,voltage  of  D.M.M  adjustment  as
same  as  Va  voltage  which  on  label  of  panel  left/top
(deviation; ±0.5V)
10. Default Service option.
10-1. ADC-Set
.
V
R-Gain adjustment Value (default  128)
V
G-Gain adjustment Value (default  128)
V
B-Gain adjustment Value (default  128)
V
R-Offset adjustment Value (default  128)
V
G-Offset adjustment Value (default  128)
V
B-Offset adjustment Value (default  128)
10-2. White balance. Value.
10-3. Temperature Threshold
V
Threshold Down Low
20
V
Threshold Up Low
23
V
Threshold Down High 70
V
Threshold Up High
75
11. USB DOWNLOAD 
(*.epk file download)
V
Put the USB Stick to the USB socket
V
Press Menu key, and move OPTION 
V
Press “FAV” Press 7 times.
V
Select download file (epk file)
V
After download is finished, remove the USB stick.
V 
Press “IN-START” key of ADJ remote control, check the
S/W version.
- 13 -
< fig.1 : 60C1 Power PCB Assy Voltage adjustment >
CENTER (DEFAULT)
Cool
Mid
Warm
R Gain
192
192
192
G Gain
192
192
192
B Gain
192
192
192
R Cut
64 
64
64  
G Cut
64
64
64
B Cut
64
64
64
<XPOWER4 60R1, 60C1 PSU>
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