LG 42PA450C-CM (CHASSIS:PA23A) Service Manual ▷ View online
LGE Display Division LG(51)
Establish : 12. 01. 02 36
Reform : 12. 01. 02 48
Reform : 12. 01. 02 48
LG 전자
PD23A/B Product Specification
No
Item
Min
Typ
Max
Unit
Measurement
Result
Remark
3. White
average
brightness
35
39
cd/m²
- 100% Window White Pattern
- 100IRE(255Gray)
- Picture: Standard
-Input: AV-CVBS(50Hz)
- 100IRE(255Gray)
- Picture: Standard
-Input: AV-CVBS(50Hz)
4. Brightness
uniformity
-10
0
+10
%
- 85IRE(216Gray) 100% Window White
Pattern
- Picture: Standard
-Input: AV-CVBS(50Hz)
Pattern
- Picture: Standard
-Input: AV-CVBS(50Hz)
X
0.270 0.285
0.300
White
Y
0.278 0.293
0.308
X 0.635 0.640 -
Red
Y 0.318 0.330
0.345
X 0.242 0.300
0.307
Green
Y 0.595 0.600 -
X - 0.150
0.158
5.
Color
Coordinate
Coordinate
Blue
Y - 0.065
0.075
- White : 85IRE(216Gray) 100% Window
White Pattern
- R/G/B : 100IRE(255Gray) 100% Window
White Pattern
- Picture: Standard
- 100% Window
- Input: HDMI-PC(1920*1080 50Hz)
White Pattern
- R/G/B : 100IRE(255Gray) 100% Window
White Pattern
- Picture: Standard
- 100% Window
- Input: HDMI-PC(1920*1080 50Hz)
6. Color coordinate uniformity
-0.01
Average
+0.01
- 85IRE 100% Window White Pattern
- Picture: Standard
-Input: AV-CVBS(50Hz)
- Picture: Standard
-Input: AV-CVBS(50Hz)
7. Contrast ratio at dark room
100k: 1
1,000k: 1
-1/100 white window pattern(Peak mode)
-100IRE(255Gray)
-Picture: Standard
-Input: HDMI-PC (1920*1080 50Hz)
-100IRE(255Gray)
-Picture: Standard
-Input: HDMI-PC (1920*1080 50Hz)
X 0.261 0.276 0.291
Cool
Y 0.268 0.283 0.298
X 0.270 0.285 0.300
Medium
Y 0.278 0.293 0.308
X 0.298 0.313 0.328
8.
Color
Temperature
Warm
Y 0.314 0.329 0.344
- 85IRE 100% Window White Pattern
- Input : HDMI 1920x1080@50p
- Aspect Ratio : Just Scan
- Picture : Expert Control1
- Expert Control - Color Temperature
Cool, Warm, Medium
-Input: AV-CVBS(50Hz)
- Input : HDMI 1920x1080@50p
- Aspect Ratio : Just Scan
- Picture : Expert Control1
- Expert Control - Color Temperature
Cool, Warm, Medium
-Input: AV-CVBS(50Hz)
LGE Display Division LG(51)
Establish : 12. 01. 02 37
Reform : 12. 01. 02 48
Reform : 12. 01. 02 48
LG 전자
PD23A/B Product Specification
9-3.
HD Module (50T4 Module, 38% Glass Filter, 60Hz )
* Warning : When measuring following test items, & Dynamic Contrast should be turned off.
No
Item
Min
Typ
Max
Unit
Measurement
Result
Remark
1. White
peak
brightness
315
-
(*) Peak Brightness Mode
-1/100 white Window pattern
(Typically 1% Window size)
-100IRE (255Gray)
-Picture: Standard
-Input: HDMI-PC(1920*1080 60Hz)
-Picture: Standard
-Input: HDMI-PC(1920*1080 60Hz)
*Peak Brightness Condition may Slightly
different between sets.
different between sets.
2
25% White Window
137
148
cd/m²
-Picture: Standard
-25/100 white Window pattern
-Input: HDMI-PC(1920*1080 50Hz)
-25/100 white Window pattern
-Input: HDMI-PC(1920*1080 50Hz)
3. White
average
brightness
38
41
cd/m²
- 100% Window White Pattern
- 100IRE(255Gray)
- Picture: Standard
-Input: AV-CVBS(60Hz)
- 100IRE(255Gray)
- Picture: Standard
-Input: AV-CVBS(60Hz)
4. Brightness
uniformity
-10
0
+10
%
- 85IRE(216Gray) 100% Window White
Pattern
- Picture: Standard
-Input: AV-CVBS(60Hz)
Pattern
- Picture: Standard
-Input: AV-CVBS(60Hz)
X
0.270 0.285
0.300
White
Y
0.278 0.293
0.308
X 0.635 0.640 -
Red
Y 0.318 0.330
0.345
X 0.242 0.300
0.330
5. Color
Coordinate
Green
Y 0.595 0.600 -
- White : 85IRE(216Gray) 100% Window
White Pattern
- R/G/B : 100IRE(255Gray) 100% Window
White Pattern
- Picture: Standard
- 100% Window
- Input: HDMI-PC(1920*1080 60Hz)
White Pattern
- R/G/B : 100IRE(255Gray) 100% Window
White Pattern
- Picture: Standard
- 100% Window
- Input: HDMI-PC(1920*1080 60Hz)
LGE Display Division LG(51)
Establish : 12. 01. 02 38
Reform : 12. 01. 02 48
Reform : 12. 01. 02 48
LG 전자
PD23A/B Product Specification
No
Item
Min
Typ
Max
Unit
Measurement
Result
Remark
X - 0.150
0.158
Blue
Y - 0.060
0.075
6. Color coordinate uniformity
-0.01
Average
+0.01
- 85IRE 100% Window White Pattern
- Picture: Standard
-Input: AV-CVBS(60Hz)
- Picture: Standard
-Input: AV-CVBS(60Hz)
7. Contrast ratio at dark room
100k: 1
1,000k: 1
-1/100 white window pattern(Peak mode)
-100IRE(255Gray)
-Picture: Standard
-Input: HDMI-PC (1920*1080 60Hz)
-100IRE(255Gray)
-Picture: Standard
-Input: HDMI-PC (1920*1080 60Hz)
X 0.261 0.276 0.291
Cool
Y 0.268 0.283 0.298
X 0.270 0.285 0.300
Medium
Y 0.278 0.293 0.308
X 0.298 0.313 0.328
8.
Color
Temperature
Warm
Y 0.314 0.329 0.344
- 85IRE 100% Window White Pattern
- Input : HDMI 1920x1080@60p
- Aspect Ratio : Just Scan
- Picture : Expert Control1
- Expert Control - Color Temperature
Cool, Warm, Medium
-Input: AV-CVBS(60Hz)
- Input : HDMI 1920x1080@60p
- Aspect Ratio : Just Scan
- Picture : Expert Control1
- Expert Control - Color Temperature
Cool, Warm, Medium
-Input: AV-CVBS(60Hz)
9-4.
HD Module (50T4 Module, 38% Glass Filter, 50Hz )
* Warning : When measuring following test items, Dynamic Contrast should be turned off.
No
Item
Min
Typ
Max
Unit
Measurement
Result
Remark
1. White
peak
brightness
315
-
cd/m²
(*) Peak Brightness Mode
-1/100 white Window pattern
(Typically 1% Window size)
-100IRE (255Gray)
-Picture: Standard
-Input: HDMI-PC(1920*1080 50Hz)
-Picture: Standard
-Input: HDMI-PC(1920*1080 50Hz)
*Peak Brightness Condition may Slightly
different between sets.
different between sets.
LGE Display Division LG(51)
Establish : 12. 01. 02 39
Reform : 12. 01. 02 48
Reform : 12. 01. 02 48
LG 전자
PD23A/B Product Specification
No
Item
Min
Typ
Max
Unit
Measurement
Result
Remark
2
25% White Window
134
145
-Picture: Standard
-25/100 white Window pattern
-Input: HDMI-PC(1920*1080 50Hz)
-25/100 white Window pattern
-Input: HDMI-PC(1920*1080 50Hz)
3. White
average
brightness
36
39
cd/m²
- 100% Window White Pattern
- 100IRE(255Gray)
- Picture: Standard
-Input: AV-CVBS(50Hz)
- 100IRE(255Gray)
- Picture: Standard
-Input: AV-CVBS(50Hz)
4. Brightness
uniformity
-10
0
+10
%
- 85IRE(216Gray) 100% Window White
Pattern
- Picture: Standard
-Input: AV-CVBS(50Hz)
Pattern
- Picture: Standard
-Input: AV-CVBS(50Hz)
X
0.270 0.285
0.300
White
Y
0.278 0.293
0.308
X 0.635 0.640 -
Red
Y 0.318 0.330
0.345
X 0.242 0.300
0.330
Green
Y 0.595 0.600 -
X - 0.150
0.158
5.
Color
Coordinate
Coordinate
Blue
Y - 0.060
0.075
- White : 85IRE(216Gray) 100% Window
White Pattern
- R/G/B : 100IRE(255Gray) 100% Window
White Pattern
- Picture: Standard
- 100% Window
- Input: HDMI-PC(1920*1080 50Hz)
White Pattern
- R/G/B : 100IRE(255Gray) 100% Window
White Pattern
- Picture: Standard
- 100% Window
- Input: HDMI-PC(1920*1080 50Hz)
6. Color coordinate uniformity
-0.01
Average
+0.01
- 85IRE 100% Window White Pattern
- Picture: Standard
-Input: AV-CVBS(50Hz)
- Picture: Standard
-Input: AV-CVBS(50Hz)
7. Contrast ratio at dark room
100k: 1
1,000k: 1
-1/100 white window pattern(Peak mode)
-100IRE(255Gray)
-Picture: Standard
-Input: HDMI-PC (1920*1080 50Hz)
-100IRE(255Gray)
-Picture: Standard
-Input: HDMI-PC (1920*1080 50Hz)
X 0.261 0.276 0.291
Cool
Y 0.268 0.283 0.298
8.
Color
Temperature
Medium
X 0.270 0.285 0.300
- 85IRE 100% Window White Pattern
- Input : HDMI 1920x1080@60p
- Aspect Ratio : Just Scan
- Picture : Expert Control1
- Input : HDMI 1920x1080@60p
- Aspect Ratio : Just Scan
- Picture : Expert Control1
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