DOWNLOAD LG 50PT255C-TA (CHASSIS:PP11K) Service Manual ↓ Size: 14.12 MB | Pages: 96 in PDF or view online for FREE

Name: LG 50PT255C-TA (CHASSIS:PP11K)
Brand: LG
SKU: 81952
Rating: 4 (1 reviews)

Model: 50PT255C-TA (CHASSIS:PP11K)
Pages: 96
Size: 14.12 MB
Type: PDF
Document: Service Manual
Brand: LG
Device: TV / Plasma
File: 50pt255c-ta-chassis-pp11k.pdf
Date: 2018-11-20

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LG 50PT255C-TA (CHASSIS:PP11K) Service Manual ▷ View online

LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              12 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 

Specification 
No 
Item 
Min 
Typ. 
Max 
Unit 
Measurement
Result 
Remark 
8. 
Dielectric Voltage 
3 
 
kV 
 
9. 
Isolation Resistance 
4 
 
∝
 
㏁
 
line↔AC 
  - 3kV/100mA/1min 
  - 3kV/100mA/1sec 
UL/CSA    0.5 
mArms 
 
10.  Leakage Current 
Etc. 
  0.35 
V 
Peak 
 
11.  Power cord Length 
1.4 1.55 2.0 
M  
 
12.  Sharp Edge 
None 
 
Depend on markets. 
Safety UL6500 
 
UL Compliance 
EMC 
FCC Part 15 Class A 
FCC Part 15 Class B 
Applied    
 
Safety IEC60065, 
 
d 
 
IEC Compliance 
EMC CISPR 
Applied  
 
Safety EN60065 
Applied     
 
EN55013, EN55020 
Applied 
 
EN61000-3-2 Harmonics 
 
EN61000-3-3 Flicker 
 
EN61000-4-2 ESD 
 
EN61000-4-3 Radiated 
 
EN61000-4-4 EFT 
 
13. 
CE Compliance 
EMC 
EN61000-4-5 Surge

LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              13 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 

Specification 
No 
Item 
Min 
Typ. 
Max 
Unit 
Measurement
Result 
Remark 
EN61000-4-6 
Conducted 
immunity 
 
 
 
EN61000-4-11 Applied 
 
 
 
14. 
Earth continuity 
test 
 
 
 
 
 
≤
0.1Ω at 40A/2min (CSA) 
≤
0.1Ω at 30A/1min (UL) 
≤
0.1Ω at 25A/1min (other) 
(3 poles) 
 
 
7.
 Video  
No 
Item 
Min 
Typ 
Max 
Unit 
Measurement
Result 
Remark 
5.5 
6.5 
7.5 
RF and CVBS input 
3 4  5 
Component, 
HDMI 
PAL/NTSC 
 0   
Just 
Scan 
 
1. 
Over Scan,   
Vertical 
CHINA  
5  
%  
 
 
5.5 
6.5 
7.5 
RF and CVBS input 
3 4  5 
Component, 
HDMI 
PAL/NTSC 
 0   
Just 
Scan 
2. 
Over Scan,   
Horizontal 
CHINA  
 
5 
 
%  
 
 
3. 
IF Rejection Ratio 
-13.0 
 
 
dB 
 
 
 

LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              14 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 

Specification 
No 
Item 
Min 
Typ 
Max 
Unit 
Measurement
Result 
Remark 
4. 
Image Rejection Ratio 
-13.0 
 
 
dB 
 
 
 
5. 
Adjacent CH Rejection, Upper 
-6.0 
 
 
dB 
 
 
 
6. 
Adjacent CH Rejection, Lower 
-13.0 
 
 
dB 
 
 
 
7 
FM Rejection Ratio, 201CH,203CH 
-13.0 
 
 
dB 
 
 
NTSC-Tuner(NTSC-M, PAL-M/N) 
8. 
Sync 
Level 
 
35   % 
 
  
9. AFT 
-1.5   
+1.5 
MHz 
 
 
 
100    
 
Hz 
 
 
Multi-Tuner(PAL/SECAM) 
10. AGC 
speed 
120  
 
Hz 
 
 
NTSC-Tuner(NTSC-M, 
PAL-M/N) 
11.  AV Video In Color pull in range 
-450 
 
-450 
Hz 
 
 
 
8.
 Chroma & Brightness (Optical) 
8-1
 HD Module 
(42T3 Module, 38% Glass Filter, 60Hz ) 
* Warning : When measuring following test items, Dynamic Colour & 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: Vivid (
C30
) 
-Input: HDMI-PC(1920*1080 50Hz) 
*Peak Brightness Condition may Slightly   
 different between sets. 

LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              15 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 

Specification 
No 
Item 
Min 
Typ 
Max 
Unit 
Measurement 
Result 
Remark 
132 142   
2 
25% White Window 
 
 
 
 
 
-Picture: Vivid (
C30
) 
-25/100 white Window pattern 
-Input: HDMI-PC(1920*1080 50Hz) 
 
3. White 
average 
brightness 
38 
43 
 
cd/m² 
 
 
- 100% Window White Pattern 
- 100IRE(255Gray) 
- Picture: Vivid(
C30
 ) 
-Input: AV-CVBS(50Hz) 
4. Brightness 
uniformity 
-10 
0 
+10 
% 
 
 
- 85IRE(216Gray) 100% Window White 
Pattern 
- Picture: Vivid(
C30
) 
-Input: AV-CVBS(50Hz) 
X 
0.261 0.276 
0.291 
 
 
 
White 
Y 
0.268 0.283 
0.298 
 
 
 
X 0.635 0.640  - 
 
 
 
Red 
Y 0.318 0.330 
0.345   
 
 
X 0.242 0.300 
0.305   
 
 
Green 
Y 0.595 0.600  - 
 
 
 
X - 0.150 
0.158  
 
 
5. 
Color 
Coordinate 
Blue 
Y - 0.065 
0.075  
 
 
- White : 85IRE(216Gray) 100% Window 
White Pattern 
- R/G/B : 100IRE(255Gray) 100% Window 
White Pattern 
- Picture: Vivid(
C30
 ) 
- 100% Window 
- Input: HDMI-PC(1920*1080 50Hz) 
 
6.  Color coordinate uniformity 
-0.01 
Average 
+0.01 
 
 
 
- 85IRE 100% Window White Pattern 
- Picture: Vivid(
C30
) 
-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: Vivid(
C30
) 
-Input: HDMI-PC (1920*1080 50Hz) 
X 
0.261 0.276 
0.291 
 
 
 
8. 
Color 
Temperature 
Cool 
Y 
0.268 0.283 
0.298 
 
 
 
- 85IRE 100% Window White Pattern 
- Input : HDMI 1920x1080@60p 

Display

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