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LG 50PX950-AA Service Manual page 8

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(2) HDMI 1
a. Vender ID
INOUT
HDMI1
HDMI2
HDMI3
HDMI4
INOUT
RGB
HDMI1
HDMI2
HDMI3
HDM4
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)
Copyright ©2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
HEX
10
20
30
40
C/S
3E
C62C
C61C
C60C
C6FC
(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
Remote controller for adjustment
O
Color Analyzer ( CS-1000, CA-100,100+,CA-210 or same
O
produc: CH 10 (PDP)
* Please adjust CA-210, CA-100+ by CS-1000 before
measuring
Auto W/B adjustment instrument(only for Auto adjustment)
O
9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B
O
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
CSM
Cool
Medium
Warm
CS-1000/CA-100+/CA-210(CH 10) White balance
O
adjustment coordinates and color temperature.
Color Coordinate
CSM
x
Cool
0.276
Medium
0.285
Warm
0.313
* 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 "
ADJUST".
- 8 -
PLASMA
11000K
9300K
6500K
Temp
±Color Coordinate
y
0.283
11000K
0.002
0.293
9300K
0.002
0.329
6500K
0.002
G
" key at "3. W/B
LGE Internal Use Only

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50px950