LG 42PQ1000-ZD (CHASSIS:PD92A) Service Manual ▷ View online
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5. ADC Adjustment
5-1. Adjustment of RGB
Auto RGB Gain/Offset Adjustment
(1) Convert to PC in Input-source.
(2) Signal equipment displays
(2) Signal equipment displays
Output Voltage: 700 mVp-p
Impress Resolution XGA (1024 x 768 @ 60Hz)
Model : 60 in Pattern Generator
Pattern : 65 in Pattern Generator (MSPG-925 SERISE)
Impress Resolution XGA (1024 x 768 @ 60Hz)
Model : 60 in Pattern Generator
Pattern : 65 in Pattern Generator (MSPG-925 SERISE)
3) Adjust by commanding AUTO_COLOR_ADJUST
5-2. COMPONENT input ADC
Component Gain/Offset Adjustment
(1) Convert to Component in Input-source.
(2) Signal equipment displays
(2) Signal equipment displays
Impress Resolution 480i
MODEL: 209 in Pattern Generator(480i Mode)
PATTERN : 65 in Pattern Generator(MSPG-925 SERISE)
MODEL: 209 in Pattern Generator(480i Mode)
PATTERN : 65 in Pattern Generator(MSPG-925 SERISE)
Impress Resolution 1080i
MODEL: 223 in Pattern Generator(1080i Mode)
PATTERN: 65 in Pattern Generator(MSPG-925 SERISE)
MODEL: 223 in Pattern Generator(1080i Mode)
PATTERN: 65 in Pattern Generator(MSPG-925 SERISE)
5-3. Confirmation
Press ‘InStart’ Key on Factory SVC Remote Controller, It is
possible to check ADC & EDID ADJ
possible to check ADC & EDID ADJ
Caution: Each PCB assembly must be checked by check JIG
set.
(Because power PCB Assembly damages to PDP
Module, especially be careful)
(Because power PCB Assembly damages to PDP
Module, especially be careful)
6. POWER PCB Assembly Voltage
Adjustment
(Va, Vs voltage Adjustment)
6-1. Test Equipment:
D.M.M 1EA
6-2. Connection Diagram for Measuring:
Refer to fig.1
6-3. 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)
±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)
±0.5V)
7. Download Serial Number (RS-232C)
(1) Press “Power on” key of service R/C.(Baud rate : 115200
bps)
(2) Connect RS232 Signal Cable to RS-232 Jack.
(3) Write Serial number by use RS-232.
(4) Must check the serial number at the Diagnostics of SET
(3) Write Serial number by use RS-232.
(4) Must check the serial number at the Diagnostics of SET
UP menu.
(Refer to below ‘6.SET INFORMATION’).
(Refer to below ‘6.SET INFORMATION’).
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8. Adjustment of White Balance
8-1. Required Equipment
(1) Remote controller for adjustment
(2) Color Analyzer (CS-1000, CA-100,100+,CA-210 or same
(2) Color Analyzer (CS-1000, CA-100,100+,CA-210 or same
product) : CH 10 (PDP)
[
Please adjust CA-210, CA-100+ by CS-1000 before
measuring
(3) Auto W/B adjustment instrument(only for Auto adjustment)
(4) 9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B
(4) 9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B
EQUIPMENT.
8-2. AUTO White Balance Process
Before Adjust of White Balance, Please press POWER ONLY
key
Adjust Process will start by execute RS232C Command
key
Adjust Process will start by execute RS232C Command
O
Color temperature standards according to CSM and Module
O
CS-1000/CA-100+/CA-210(CH 10) White balance
adjustment coordinates and color temperature.
8-3. 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 ->
(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”.
(5) Adjust W/B DATA, for all CSM, choose ‘COPY ALL’
[
Gain Max Value is 192. So, Never make any Gain Value
over 192 and please fix one Value on 192, between R, G
and B.
and B.
8-4. Auto-control Interface and Directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked.
(Illumination is less than 10ux).
(2) Measure and adjust after sticking the Color Analyzer (CA-
100+, CA210 ) to the side of the module.
(3) Aging time
After aging start, keep the Power on (no suspension of
power supply) and heat-run over 5 minutes
power supply) and heat-run over 5 minutes
8-5. Auto Adjustment Map(RS232C)
PLASMA
Remark
11000K
9300K
6500K
Cool
Medium
Warm
CSM
Color Coordinate
x
y
0.283
0.293
0.329
11,000K
9,300K
6,500K
0.002
0.002
0.002
0.276
0.285
0.313
Cool
Medium
Warm
CSM
Temp
±Color
Coordinate
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9. Checking the EYE-Q Operation
(1) Press the EYE Key on the adjustment remote controller.
(2) Check the Sensor DATA (It must be under 10) and keep
(2) Check the Sensor DATA (It must be under 10) and keep
the data longer than 1.5s
(3) Check ‘OK’
(Sensor DATA 0 ~ 4095, Power Saving Mode 0 ~ 12)
[
IF you press IN-STAP Button, change Green Eye-check OSD.
10. Set Information
(Serial No & Model name)
10-1. Check the Serial Number & Model Name
(1) Push the menu button in DTV mode.
(2) Check the Serial Number
(2) Check the Serial Number
Select the STATION ==> Diagnostics ==> To set
TROUBLESHOOTING GUIDE
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