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

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

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

LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              28 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 
Specification 
 
 
 
 
9.
 Audio (ALL Condition for test is EQ OFF, 8ohm 1% Dummy Resister) 
No 
Item 
Min 
Typ 
Max 
Unit 
Measurement 
Result 
Remark 
1.    Audio S/N, Main (Mono) 
40.0 
 
 
dB 
 
 
 
2.  a  Audio S/N, L/R 
40.0 
 
 
dB 
 
 
 
3.    Audio Buzz P/S Ratio 
30.0 
 
 
dB 
 
 
 
4.    Audio Noise Limited Sensitivity, M 
 
 
-80.0 
dBm 
 
 
 
5.    Audio Noise Limited Sensitivity, S 
 
 
-70.0 
dBm 
 
 
 
6.    Audio F Response Low, L/Mono 
 
 
80.0 
Hz 
 
 
 
7.    Audio F Response High, L/Mono 
7.0 
10.0 
15.0 
KHz 
 
 
 
LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              29 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 
Specification 
No 
Item 
Min 
Typ 
Max 
Unit 
Measurement 
Result 
Remark 
8.    Audio F Response Low, R 
 
 
80.0 
Hz 
 
 
 
9.    Audio F Response High, R 
7.0 
10.0 
15.0 
KHz 
 
 
 
10.    Audio Bass Characteristic, L/R 
3.0 
6.0 
9.0 
    dB 
 
 
 
11.   
Audio 
Treble 
Characteristic, 
L/R 
3.0 6.0 9.0  
 
dB 
 
 
 
12.   
Audio 
THD,L(Mono)/R 
  2.0 
 
 
 
 
  
13.    Audio Practical Max Output, L(Mono)/R
13.5 
10 
15 
12 
18 

 
 
NON-SOUND EMPHASIS MODEL 
SOUND EMPHASIS MODEL 
14.    Audio Max Output, L(Mono)/R 
13.5 
10 
15 
12 
18 

 
 
NON-SOUND EMPHASIS MODEL 
SOUND EMPHASIS MODEL 
15.    Audio Practical Max Output, SAP 
10 
12 
 
 
NTSC-Tuner(NTSC-M, PAL-M/N) 
16.    Audio Max Output, SAP 
10 
12 
 
 
NTSC-Tuner(NTSC-M, PAL-M/N) 
17.   
Max 
Distortion 
  10.0 
 
  
18.    Audio Residual Hum, L(Mono)/R 
 
 
12.5 
Uw 
 
 
 
19.   
Dual 
Sound 
Cross-talk 
  -45.0 
 
dB 
 
  
20.    Stereo Separation, L/R 
25.0 
 
 
  dB 
 
 
 
21.    Pilot Detection Sensitivity, Dual/Stereo 
 
 
-70.0 
dBm 
 
 
 
22.    Audio Balance Characteristic, L/R 
 
 
50.0 
mV 
 
 
 
23.    Audio Balance Deviation, L/R 
 
 
1.5 
dB 
 
 
 
24.   Deviation 
Linearity 
250.0   
 
 
 
 
LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              30 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 
Specification 
No 
Item 
Min 
Typ 
Max 
Unit 
Measurement 
Result 
Remark 
25.    Deviation 250% Max Distortion   
 
 
10.0 
 
 
 
26.    SAP/Mono Level Deviation 
 
 
1.5 
dB 
 
 
NTSC-Tuner(NTSC-M, PAL-M/N) 
27.    Output Level at Volume 30% 
0.163 
0.728 
0.204 
0.891 
0.255 
1.069 
W  
 
NON EU Model 
SOUND EMPHASIS MODEL
 
28.    AV Audio Out Level, L/R 
0.4 
0.5 
0.6 
 
 
Multi-Tuner(PAL/SECAM) 
25-1 
AV Audio Out Level, L/R 
0.3 
0.4 
0.5 
 
 
NTSC-Tuner(NTSC-M, PAL-M/N) 
29.    AV Audio Out Cross-talk, L/R 
20.0 
 
 
dB 
 
 
 
30.    AV Audio Out S/N, L/R 
43.0 
 
 
dB 
 
 
 
31.   
AV Audio Out Frequency Response, 
Low 
 
 
40.0 
Hz 
 
 
 
32.   
AV Audio Out Frequency Response, 
High 
8.0 10.0 18.0  KHz
 
 
 
33.    AV Audio Out Distortion 
 
 
2.0 
 
 
 
34.    AV Audio In Level, L/R 
0.47 
0.63 
0.79 
 
 
 
35.    AV Audio In S/N, L/R 
43.0 
 
 
dB 
 
 
 
36.    AV Audio In Frequency Response, Low 
 
 
80.0 
Hz 
 
 
 
37.    AV Audio In Frequency Response, High
7.0 
10.0 
18.0 
KHz 
 
 
 
38.    AV Audio In Distortion 
 
 
2.0 
 
 
 
39.    AV Audio In Dynamic Range 
2.0 
 
 
    V 
 
 
 
40.    AV Audio In Max Distortion 
 
 
10.0 
    % 
 
 
 
LGE                                  DISPLAY Division                                              LG 
Establish : 10.10.01                                                                                                                                                                                                                                              31 
Reform: 10.10.14                                                                                                                                                                                                                                                          105 
                                                                                                                                                                                                                                         
LGE 
PP01A/B/C  
 
Product 
Specification 
No 
Item 
Min 
Typ 
Max 
Unit 
Measurement 
Result 
Remark 
41.    AV Audio In Impandance,100Hz 
10.0 
 
 
Kohm 
 
 
 
42.    AV Audio In Impandance,1KHz 
10.0 
 
 
Kohm 
 
 
 
43.    Nicam Audio S/N, Main/Sub 
45.0 
 
 
  dB 
 
 
Multi-Tuner(PAL/SECAM) 
44.   Nicam 
Audio 
Sensitivity 
 
 
-75.0   
dB 
 
 
Multi-Tuner(PAL/SECAM) 
45.    Nicam Audio P/N Ratio 
30.0 
 
 
  dB 
 
 
Multi-Tuner(PAL/SECAM) 
46.    Nicam Audio F Response Low, L/R 
 
 
80.0 
  Hz 
 
 
Multi-Tuner(PAL/SECAM) 
47.    Nicam Audio F Response High, L/R 
7.0 
10.0 
18.0 
KHz 
 
 
Multi-Tuner(PAL/SECAM) 
48.    Nicam Audio Distortion, L/R 
 
 
1.0 
  % 
 
 
Multi-Tuner(PAL/SECAM) 
49.    Nicam Audio Separation, L/R 
40.0 
 
 
  dB 
 
 
Multi-Tuner(PAL/SECAM) 
50.    Nicam Audio Output, L/R 
9.0 
10.0 
12.0 
 
 
Multi-Tuner(PAL/SECAM) 
51.   Speaker 
Impedance 
 
 
ohm 
 
 
 
dB 
 
 
Input : White noise_Max.mav(MP3) 
52.    Auto Volume(Off/ On Variation 
dB 
 
 
Input : White noise_Max.mav(MP3) 
 
9.1 VOLUME CURVE FOR SOUND EMPHASIS MODEL. 
- This is only for 42/50PT560R-TA model. 
- set volume linearly from volume 30 to volume 100
 
 
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