LG 42PA450C-CM (CHASSIS:PA23A) Service Manual ▷ View online
LGE Display Division LG(51)
Establish : 12. 01. 02 32
Reform : 12. 01. 02 48
Reform : 12. 01. 02 48
LG 전자
PD23A/B Product Specification
85 D/U Image : (DVB-T2 - PAL-I/II) N+9 [-25dBm]
43 dB
86 D/U Image : (DVB-T2 - PAL-I/II) N-9 [-25dBm]
43 dB
87 Ghost Interference
88 Single Echo Ensembles_Option5
89 Single Echo delay
22.1
dB
90 Single Echo Ensembles_Option6
91 Single Echo delay
24.1
dB
92 Multiple Dynamic Echo Ensembles_Option5
93 Short
delay
multipath
21.6
dB
94 Long delay multipath
19.7
dB
95 Multiple Dynamic Echo Ensembles_Option6
96 Short
delay
multipath
23.6
dB
97 Long delay multipath
21.8
dB
8-1. Frequency Parameters of Each Country
Country
Modulation
Code rate
Guard
Mode
64QAM 2/3
1/32
2K
England
16QAM 3/4
1/32
2K
Germany 16QAM
2/3
1/4
8K
64QAM 2/3
1/32
8K
64QAM 3/4
1/8
8K
France
16QAM 1/2
1/32
8K
Sweden 64QAM
2/3
1/8
8K
LGE Display Division LG(51)
Establish : 12. 01. 02 33
Reform : 12. 01. 02 48
Reform : 12. 01. 02 48
LG 전자
PD23A/B Product Specification
Finland 64QAM
2/3
1/8
8K
Italy 64QAM
2/3
1/32
8K
Spain 64QAM
2/3
1/4
8K
8-2. Teletext
No.
EYE Height
Noise Input
Adjacent CH.
interference
Reception State(tolerance ER/PAGE)
1. 45%
NON
NON
- permit to one line Missing and Back-Up within 3 Sec.
- 3 ~ 5 CHARACTER ERROR permit
- 3 ~ 5 CHARACTER ERROR permit
2. 60%
CAL
NON
ERROR FREE
3. 70%
CAL
CAL
ERROR FREE
4. 70%
NON
NON
ERROR FREE
* ERROR FREE over RF Input 200uV(-57dBm)
* Definition of ERROR FREE : We have the probability which the error of the 1 – 3 character / page
9. Chroma & Brightness
9-1.
HD Module (42T4 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
LGE Display Division LG(51)
Establish : 12. 01. 02 34
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
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
126
132
cd/m²
-Picture: Standard
-25/100 white Window pattern
-Input: HDMI-PC(1920*1080 60Hz)
Min. =Module Luminance(Min) x 0.35
(G/filter)x 0.9(W/B)
Min. =Module Luminance (Min) x 0.35
(G/filter) x 0.9(W/B)
-25/100 white Window pattern
-Input: HDMI-PC(1920*1080 60Hz)
Min. =Module Luminance(Min) x 0.35
(G/filter)x 0.9(W/B)
Min. =Module Luminance (Min) x 0.35
(G/filter) x 0.9(W/B)
3. White
average
brightness
35
39
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
0.307
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 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 35
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
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(C30), Warm(W30), Medium
-Input: AV-CVBS(60Hz)
- Input : HDMI 1920x1080@60p
- Aspect Ratio : Just Scan
- Picture : Expert Control1
- Expert Control - Color Temperature
Cool(C30), Warm(W30), Medium
-Input: AV-CVBS(60Hz)
9-2.
HD Module (42T4 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
-
(*) 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.
2
25% White Window
126
132
cd/m²
-Picture: Standard
-25/100 white Window pattern
Min. =Module Luminance(Min) x 0.35
(G/filter)x 0.9(W/B)
Min. =Module Luminance (Min) x 0.35
(G/filter) x 0.9(W/B)
-25/100 white Window pattern
Min. =Module Luminance(Min) x 0.35
(G/filter)x 0.9(W/B)
Min. =Module Luminance (Min) x 0.35
(G/filter) x 0.9(W/B)
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