LG 50PQ60D-AA (CHASSIS:PA91A) Service Manual ▷ View online
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(2) 42”
V
Model General Specification
Display Screen Device
Aspect Ratio
PDP Module
Operating Environment
Storage Environment
Input Voltage
1
2
3
4
5
6
No
Item
Specification
Remark
42 inch wide Color Display Module
16:9
PDP42XG2####,
RGB Closed Type
1) Temp.
: 0 ~ 40deg
2) Humidity : 20 ~ 80%
3) Temp. : -20 ~ 60deg
4) Humidity : 10 ~ 90%
AC100-240V~, 50/60Hz
PDP
LGE SPEC.
Maker: LG
Market
Broadcasting system
Receiving system
Video Input (1EA)
S-Video Input (1EA)
Component Input (2EA)
RGB Input(1EA)
HDMI Input(3EA)
Audio Input (5EA)
Audio Out(1EA)
USB(1EA)
1
2
3
4
5
6
7
8
9
10
11
No
Item
Specification
Remark
Australia
1) PAL-BG
2) DVB T
Analog : Upper Heterodyne
Digital : COFDM
PAL, NTSC
PAL, NTSC
Y/Cb/Cr, Y/Pb/Pr
RGB-PC
HDMI-DTV & SOUND
PC Audio, Component(2EA), AV(2EA)
SPDIF(1EA)
Divx, MP3, JPEG
L/R Input(PC 1EA, SIDE AV 1EA,
Component 2EA, Rear AV 1EA)
DIVX, MP3, JPEG ONLY FOR PQ60
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ADJUSTMENT INSTRUCTION
1. Application Range
This spec sheet is applied all of the PDP TV, PA91A chassis.
2. Specification.
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
there is no specific designation.
(4) The input voltage of the receiver must keep 100~240V,
50/60Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15°
- In case of keeping module is in the circumstance of 0°C,
15°
- In case of keeping module is in the circumstance of 0°C,
it should be placed in the circumstance of above 15°C for
2 hours
2 hours
- In case of keeping module is in the circumstance of below
-20°C, it should be placed in the circumstance of above
15°C for 3 hours,.
15°C for 3 hours,.
O
After RGB Full White in HEAT-RUN Mode, the receiver
must be operated prior to the adjustment.
O
Enter into HEAT-RUN MODE
(1) Press the POWER ON KEY on R/C for adjustment.
(2) OSD display and screen display PATTERN MODE.
(2) OSD display and screen display PATTERN MODE.
* Set is activated HEAT run without signal generator in this
mode.
* Single color pattern (WHITE) of HEAT RUN MODE uses to
check panel.
Caution: If you turn on a still screen more than 20 minutes
(Especially digital pattern, cross hatch pattern), an
after image may be occur in the black level part of the
screen.
after image may be occur in the black level part of the
screen.
Caution: Using ‘power on’ button of the control R/C, power on
TV.
O
Auto-control adjustment protocol(RS-232C)
3. Insert Tool OPTION and Model
Name Download
(1) Press IN_START key on R/C to insert Tool OPTION
(2) On the “Tool Option 1”, Insert Tool Option by a number
(2) On the “Tool Option 1”, Insert Tool Option by a number
key
(3) Press the ENTER(
V
)
(4) Press ENTER(
V
) again.
(5) Select “OK to Download” by using
F
/
G
(VOL +/-) and press
G
(VOL +)
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4. EDID(The Extended Display
Identification Data) Download
(1) Press the ADJ KEY on R/C and enter EZ ADJUST.
(2) Select “5.EDID D/L” by using
(2) Select “5.EDID D/L” by using
D
/
E
(CH +/-) and press
ENTER(
V
).
(3) Select “Start” and press navigation key(
G
).
(4) EDID download is executed automatically.
(5) Press EXIT key on R/C
(5) Press EXIT key on R/C
(6) EDID DATA
1) Analog RGB
O
Detail EDID Options are below (
ⓐ
,
ⓑ
,
ⓒ
,
ⓓ
)
ⓐ
Product ID
ⓑ
Week, Year
=> Controlled on production line:
ex) Week: ‘03’ -> ‘03’
Year: ‘2006’ -> ‘10’
ⓒ
Model Name(Hex)
ⓓ
Checksum: Changeable by total EDID data.
2) HDMI
O
Detail EDID Options are below (
ⓐ
,
ⓑ
,
ⓒ
,
ⓓ
,
ⓔ
)
ⓐ
Product ID
ⓑ
Week, Year
=> Controlled on production line:
ex) Week: ‘03’ -> ‘03’
Year: ‘2006’ -> ‘10’
ⓒ
Model Name(Hex)
ⓓ
Checksum: Changeable by total EDID data.
ⓔ
Vender ID
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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. Adjustment of COMPONENT
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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