LG 50PB2DR-AC (CHASSIS:PB61C) Service Manual ▷ View online
SPECIFICATIONS
NOTE : Specifications and others are subject to change without notice for improvement
.
V
Application Range
This spec is applied to the 50” PLASMA TV used PB61C Chassis.
V
Specification
Each part is tested as below without special appointment.
1) Temperature : 25±5°C (77±9°F), CST : 40±5
2) Relative Humidity: 65±10%
3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz)
1) Temperature : 25±5°C (77±9°F), CST : 40±5
2) Relative Humidity: 65±10%
3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz)
* Standard Voltage of each product is marked by models.
4) Specification and performance of each parts are followed each drawing and specification by part number in accordance with SBOM.
5) The receiver must be operated for about 20 minutes prior to the adjustment.
5) The receiver must be operated for about 20 minutes prior to the adjustment.
V
Test Method
1) Performance : LGE TV test method followed.
2) Demanded other specification
2) Demanded other specification
Safety : IEC60065 specification
EMC
EMC
: CISPR 13 specification
V
General Specification
1. Model General Specification
- 9 -
Chassis
PB61C
50PB2DR-AC
Australia
LG
Model Name
Market
Brand
Remark
50PB2DR-AC
Safety : IEC60065,EN60950
EMC
: CISPR 13,EN55020,EN/IEC61000-3-2 and 3
Australia
Model
Appliance
Market
Remark
Broadcasting system
Available Channel
Tuner IF
Input Voltage
PDP Module
Aspect ratio
Operating Temperature
Operating Humidity
Storage Temperature
Storage Humidity
PAL-B/G, DTV : DVB-T
1) VHF : 00 ~ 12
2) UHF : 20 ~ 75
3) CATV : 02 ~ 44
4) DTV : 06 ~12, 27 ~ 69
1) PAL : 38.90MHz(Picture),
34.40MHz(Sound)
2) DVB-T : 36.125MHz
240V~, 50Hz
PDP50X3
16:9 (wide)
0
40
deg
85
%
-20
60
deg
85
%
1
2
3
4
5
6
7
8
9
10
No
Item
Remark
Maker : LGE
LGE 50”
Specification
Min Typ Max Unit
- 10 -
White peak brightness
White average brightness
Brightness uniformity
WHITE
X
Y
Color coordinate uniformity
Contrast ratio at dark room
Contrast ratio at office room
Power Consumption
850
170
-10
0.285
0.285
-0.010
5000:1
40:1
1000
200
0
0.300
0.300
Ave.
10000:1
50:1
370
10
0.315
0.315
+0.010
400
1
2
3
4
5
6
7
8
9
No
Item
Remark
1% white window
Full white
Full white
Full White
cd/m2
cd/m2
%
W
Min Typ Max Unit
Display area
Outline dimension
Number of Pixels
Cell pitch
Pixel type
Weight(net)
Weight(gross)
Operation Environment
Temperature
Humidity
Pressure
Storage Environment
Temperature
Humidity
Pressure
I mage stick minimization
Start time
mode
Low Brightness
Arrival Time
1106.5(H) * 622.1(V) °
± 0.5
1190(H) * 700(V)*58(D) °
±1
1366(H) * 768(V)
270(H) *810(V)
RGB Closed type (well)
20.9
21.4
21.9
122.0
127.0
132.0
0 ~ 40
20 ~ 80
800 ~ 1100
-20 ~ 60
10 ~ 90
700 ~ 1100
4.5
5
5.5
14
15
16
1
2
3
4
5
6
7
8
9
10
No
Item
Remark
1Pixel=3RGB Cells
1Pixel=3RGB Cells
5EA 1Box
Altitude : 0 to 2000M
mm
mm
um
Kg
Kg
deg
%
hPa
deg
%
hPa
min
min
Min Typ Max Unit
2. Module Specification ( PDP50X3 )
2-1. General Specification
2-2. Electro Optical Characteristic Specifications
- 11 -
White peak brightness
White average brightness
Brightness uniformity
WHITE
X
Y
Color coordinate uniformity
Contrast ratio at dark room
Contrast ratio at office room
Power Consumption
1,000
170
-10
0.295
0.295
-0.010
5,000:1
90:1
1,500
200
0
0.310
0.310
Ave.
15,000:1
130:1
380
10
0.325
0.325
+0.010
400
1
2
3
4
5
6
7
8
9
No
Item
Remark
1% white window
Full white
Full white
Full White
cd/m2
cd/m2
%
W
Min Typ Max Unit
Display area
Outline dimension
Number of Pixels
Cell pitch
Pixel type
Weight(net)
Weight(gross)
Operation Environment
Temperature
Humidity
Pressure
Storage Environment
Temperature
Humidity
Pressure
I mage stick minimization
Start time
mode
Low Brightness
Arrival Time
1106.5(H) * 622.1(V) °
± 0.5
1190(H) * 700(V)*52(D) °
±1
1366(H) * 768(V)
270(H) *810(V)
RGB Closed type (well)
19.7
20.2
20.7
278.7
279.2
279.7
0 ~ 40
20 ~ 80
800 ~ 1100
-20 ~ 60
10 ~ 90
700 ~ 1100
4.5
5
5.5
14
15
16
1
2
3
4
5
6
7
8
9
10
No
Item
Remark
1Pixel=3RGB Cells
1Pixel=3RGB Cells
5EA 1Box
Altitude : 0 to 2000M
mm
mm
um
Kg
Kg
deg
%
hPa
deg
%
hPa
min
min
Min Typ Max Unit
3. Module Specification ( PDP50X4 )
3-1. General Specification
3-2. Electro Optical Characteristic Specifications
- 12 -
ADJUSTMENT INSTRUCTIONS
1. Application Object
These instructions are applied to all of the 50” PLASMA TV,
PB61C Chassis
PB61C Chassis
2. Notes
(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 equipment.
transformer will help protect test equipment.
(2) Adjustments must be done in the correct order.
(3) The adjustments must be performed in the circumstance of
(3) The adjustments 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 be must kept 220V~,
60Hz when adjusting.
(5) The receiver must be operational for about 15 minutes
prior to the adjustments.
O
Preliminary action is applied to the test for afterimage
discharge detection, and 100% FULL WHITE PATTERN
must be operated automatically.
must be operated automatically.
O
Test for afterimage discharge detection
1) After pressing Power Only key(only operating by
pressing Power Only key), Full Test Pattern(2 min
30sec) --> Full Black Pattern(30sec) --> After this state,
Full White Pattern is displayed.
(but you must preset the program for Full White State
when you press the Main Power Off/On)
30sec) --> Full Black Pattern(30sec) --> After this state,
Full White Pattern is displayed.
(but you must preset the program for Full White State
when you press the Main Power Off/On)
2) Pattern Mode is deselected by pressing CH +/-, Exit Key.
[ Set is activated HEAT-RUN without signal generator in
this mode.
If you turn on a still screen more than 20 minutes (Especially
Digital pattern, Cross Hatch Pattern), an afterimage may occur
in the black level part of the screen.
Digital pattern, Cross Hatch Pattern), an afterimage may occur
in the black level part of the screen.
3. CPLD Download
(1) Test Equipment: PC, Jig for download
(2) Connect the power of VSC B/D.
(3) Execute download program of PC.
(4) After executing the hot key on the Programmer, click icon.
(5) End after confirming.
(2) Connect the power of VSC B/D.
(3) Execute download program of PC.
(4) After executing the hot key on the Programmer, click icon.
(5) End after confirming.
4. Sub-ucom(MTV416) Download
(1) Test Equipment: PC, Jig for download
(2) Connect the power of VSC B/D.
(3) Execute download program of PC.
(4) After executing the hot key on the Programmer, click icon.
(5) End after confirming.
(2) Connect the power of VSC B/D.
(3) Execute download program of PC.
(4) After executing the hot key on the Programmer, click icon.
(5) End after confirming.
5. MST3361M-Set Adjustment
5-1. Synopsis
MST3361M-Set adjustment to set the black level and the Gain
of optimum with an automatic movement from the analog =>
digital converter.
of optimum with an automatic movement from the analog =>
digital converter.
5-2. Test Equipment
Service R/C, 801GF(802B,802F,802R),
MSPG-925 Pattern Generator.
( 480i, 1080i 60Hz Color Bar Pattern output will be possible
and the output level will accurately have to be revised with
0.7±0.1Vp-p)
MSPG-925 Pattern Generator.
( 480i, 1080i 60Hz Color Bar Pattern output will be possible
and the output level will accurately have to be revised with
0.7±0.1Vp-p)
5-3. Adjustment
(1) How to adjustment the Component1 480i
60Hz Mode.
1) Select Component1 as the input with Color Bar Pattern
in 480i 60Hz mode and select ‘Component1’ on screen.
2) After receiving signal for at least 1 second, press the
ADJ Key on the Service R/C to enter the ‘Ez - Adjust’
and select the ‘2. ADC 480i Comp1’. Pressing the Vol+
Key to adjust the component1.
and select the ‘2. ADC 480i Comp1’. Pressing the Vol+
Key to adjust the component1.
3) When the adjustment is over, 'ADC Component1
Success’ is displayed. If the adjustment has errors,
'ADC Configuration Error’ is displayed.
'ADC Configuration Error’ is displayed.
4) Readjust after confirming the case Pattern or adjustment
condition where the adjustment had errors.
5) After adjustment is complete, exit the adjustment mode
by pressing the ADJ KEY.
(2) How to adjustment the Component1 1080i
60Hz Mode, RGB
1) Select Component1, RGB-DTV as the input with Color
Bar Pattern in 1080i 60Hz mode and select
‘Component1’ on screen.
‘Component1’ on screen.
2) After receiving signal for at least 1 second, press the
ADJ Key on the Service R/C to enter the ‘Ez - Adjust’
and select the ‘3. ADC 1080i Comp1/RGB’. Pressing
the Vol+ Key to adjust the component1.
and select the ‘3. ADC 1080i Comp1/RGB’. Pressing
the Vol+ Key to adjust the component1.
3) When the Component1 adjustment is over, 'ADC
Component1 Success’ is displayed. and when the RGB
adjustment is over, 'ADC RGB_DTV Success’ is
displayed. If the adjustment has errors, 'ADC
Configuration Error’ is displayed.
adjustment is over, 'ADC RGB_DTV Success’ is
displayed. If the adjustment has errors, 'ADC
Configuration Error’ is displayed.
4) Readjust after confirming the case Pattern or adjustment
condition where the adjustment had errors.
5) After adjustment is complete, exit the adjustment mode
by pressing the ADJ KEY.
PC
VSC
B/D
JIG cable(CPLD D/L )
<Fig. 1> Connection Diagram of CPLD Download
(Fig. 2) Adjust Pattern : 480i, 1080i 60Hz Color Bar Pattern
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