50PX950-AA (CHASSIS:PA02B) - LG TV Service Manual (repair manual). Page 8

Read LG 50PX950-AA (CHASSIS:PA02B) Service Manual online

- 8 -
(2) HDMI 1
a. Vender ID
3-6. Confirmation
(1) Press ‘InStart’ Key on Factory SVC Remote Controller. 
And MUST check ADC & EDID ADJ status is OK.
4. SET assembly adjustment method
* Caution : Each  PCB  assembly  must  be  checked  by  check  JIG
set. (Because power PCB Assembly damages to PDP
Module, especially be careful)
4-1.POWER  PCB  Assembly  Voltage
adjustment (Va/Vs Voltage Adjustment)
Test equipment : D.M.M 1EA
Connection Diagram for Measuring : refer to fig.4
Adjustment method 
(1) Va adjustment 
1) Connect  +  terminal  of  D.  M.M.  to  Va  pin  of  P811,
connect -terminal to GND pin of P811.
2) After  turning  VR901,voltage  of  D.M.M  adjustment  as
same  as  Va  voltage  which  on  label  of  panel  right/top
(deviation; ±0.5V)
(2) Vs adjustment 
1) Connect  +  terminal  of  D.  M..M.  to  Vs  pin  of  P811,
connect -terminal to GND pin of P811.
2) After  turning  VR951,  voltage  of  D.M.M  adjustment  as
same  as  Vs  voltage  which  on  label  of  panel  right/top    (
deviation ; ±0.5V)
4-2. Download Serial number (RS-232C)
V
Press “Power on” key of service R/C.
(Baud rate : 115200 bps)
V
Connect RS232 Signal Cable to RS-232 Jack.
V
Write Serial number by use RS-232.
V
Must check the serial number at the Diagnostics of SET UP
menu. 
(Refer to below ‘6.SET INFORMATION’).
4-3. Adjustment of White Balance
Required Equipment
O
Remote controller for adjustment 
O
Color  Analyzer  (  CS-1000,  CA-100,100+,CA-210  or  same
produc: CH 10 (PDP) 
* Please  adjust  CA-210,  CA-100+  by  CS-1000  before
measuring
O
Auto W/B adjustment instrument(only for Auto adjustment)
O
9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B
EQUIPMENT.
Before Adjust of White Balance, Please press POWER ONLY
key
Adjust Process will start by execute RS232C Command.
Color temperature standards according to CSM and Module
O
CS-1000/CA-100+/CA-210(CH 10) White balance
adjustment coordinates and color temperature.
* Manual W/B process (using adjusts Remote control)
Please Adjust in AV 1 MODE, Turn off Energy Saving Mode.
(1) Enter  ‘PICTURE  RESET’  on  Picture  Mode,  then  turn  off
Fresh Contrast and Fresh colour in Advanced Control
(2) After enter Service Mode by pushing “ADJ” key,
(3) Enter White Pattern off of service mode, and change off ->
on.
(4) Enter  “W/B  ADJUST”  by  pushing  “
G
”  key  at  “3.  W/B
ADJUST”. 
INOUT
HEX
HDMI1
10
HDMI2
20
HDMI3
30
HDMI4
40
INOUT
C/S
RGB
3E
HDMI1
C62C
HDMI2
C61C
HDMI3
C60C
HDM4
C6FC
CSM
PLASMA
Cool
11000K
Medium
9300K
Warm
6500K
CSM
Color Coordinate
Temp
±Color Coordinate
x
y
Cool
0.276
0.283
11000K
0.002
Medium
0.285
0.293
9300K
0.002
Warm
0.313
0.329
6500K
0.002
Page of 62
Display

Click on the first or last page to see other 50PX950-AA (CHASSIS:PA02B) service manuals if exist.