DOWNLOAD LG 42PG20R-TA (CHASSIS:PP81A) Service Manual ↓ Size: 10.36 MB | Pages: 28 in PDF or view online for FREE

Model
42PG20R-TA (CHASSIS:PP81A)
Pages
28
Size
10.36 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pg20r-ta-chassis-pp81a.pdf
Date
PREV: LG 42PG20R-MA (CHASSIS:PP81A) Service Manual

LG 42PG20R-TA (CHASSIS:PP81A) Service Manual ▷ View online

- 13 -
10. Default Value in Adjustment
10-1. White Balance
(Default values maybe modified the module condition)
10-2. Press CH write condition
(1) AC on tilme on only one after assembled automatically
(2) CH recover SVC OSD manually
12. Sound spec.
Caution: Each PCB assembly must be checked by check JIG set.
(Because  power  PCB  Assembly  damages  to  PDP
Module, especially be careful)
13. POWER PCB Assy Voltage
Adjustment
(Va, Vs voltage Adjustment)
13-1. Test Equipment:
D.M.M 1EA
13-2. Connection Diagram for Measuring
Refer to Fig. 5
13-3. Adjustment Method 
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2)  Connect  +  terminal  of  D.  M..M.  to  Va  pin  of  P812,
connect -terminal to GND pin of P812.
3)  After  turning  VR901,voltage  of  D.M.M  adjustment  as
same  as  Va  voltage  which  on  label  of  panel  right/top
(deviation; ±0.5V)
(2) Vs Adjustment
1)  Connect  +  terminal  of  D.  M..M.  to  Vs  pin  of  P812,
connect -terminal to GND pin of P812.
2)  After  turning  VR951  401,  voltage  of  D.M.M  adjustment
as same as Vs voltage which on label of panel right/top
( deviation ; ±0.5V)
<Fig. 5> Connection Diagram of Power Adjustment for Measuring
Item
Dielectric Voltage (AC <-> FG)
Dielectric Voltage (Without FG)
Value
1.5
1.5
3
3
Unit
kV
kV
Remark
At 100mA for 1sec (Line)
At 100mA for 1min (OQC)
At 100mA for 1sec (Line)
At 100mA for 1min (OQC)
Item
Min
Typ
Max
Unit
Remark
Audio Practical Max Output, L(Mono)/R
9
10
12
W
- 14 -
Storage
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
Factory
System
Band
CH
CH Name
Freq(Mhz)
Freq / 50Khz
Initial CH
(Gumi)
MA
(WR)
NT
PAL
SECAM
PAL
PAL
NTSC
PAL
PAL
PAL
PAL
PAL
PAL
PAL
PAL
SECAM
SECAM
SECAM
PAL
PAL
PAL
SECAM
PAL
PAL
PAL
PAL
PAL
SECAM
SECAM
PAL
SECAM
SECAM
NTSC
NTSC
NTSC
NTSC
NTSC
NTSC
NTSC
SECAM
PAL
PAL
PAL
PAL
PAL
BG
DK
BG
I
BG
BG
BG
BG
I
I
BG
BG
L
L
L
B
G
I
D
B
G
I
I
G
L
L
G
D
D
M
M
M
M
M
M
M
D/K
D/K
D/K
B/G
B/G
I
V/UHF
V/UHF
V/UHF
Cable
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
Cable
V/UHF
V/UHF
Cable
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
Cable
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
NZ01
R34
EU05
PI11
BR48
E04
EU07
EU50
EU52
PI41
PI63
5
21
SLB
CATVE
SL36
E5
E51
I41
R5
E4
E31
I21
I69
E48  
L4
L45
E25
R7
R7
US-4
J-01
US-13(J-11)
US-14(J-13)
US-63(J62)
CATV-15
US-18(Digital)
R-1(CIS)
D-10(China10)
K-36
E-5
G-40
I-28
C 01
C 34
C 05
S 11
C 04
C 07
C 50
C 52
C 41
C 63
S 47
C 21
C 02
S 07
C 36
C 05
C 51
C 41
C 05
C 04
C 31
C 21
C 69
C 48
C 08
C 45
C 25
C 07
C 07
C 04
C 01
C 13
C 14
C 63
S 15
C 18
C 01
C 10
C 36
C 05
C 40
C 28
45.25
575.25
175.25
231.25
675.25
62.25
189.25
703.25
719.25
631.25
807.25
102.25
471.25
55.75
152.75
591.25
175.25
711.25
631.25
93.25
62.25
551.25
471.25
855.25
687.25
200.00
663.25
503.25
183.25
189.25
67.25
91.25
211.25
471.25
765.25
127.25
497(Center Freq)
49.75
200.25
695.25
175.25
623.25
527.25
905
11505
3505
4625
1245
3785
14065
14385
12625
16145
2045
9425
1115
3055
11825
3505
14225
12625
1865
1245
11025
9425
17105
13745
4000
13265
10065
3665
1345
1825
4225
9425
15305
2545
995
4005
13905
3505
12465
10545
14. Preset CH Information
14-1. Analog CH synthesis Table_Ver_1_0
- 15 -
Storage
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
Factory
System
Band
CH
CH Name
Freq(Mhz)
Freq / 50Khz
NT_
PANDA
RA
IN
NP
PAL
PAL
PAL
PAL
SECAM
NTSC
SECAM
PAL
NTSC
SECAM
SECAM
PAL
SECAM
PAL
SECAM
SECAM
PAL
PAL
PAL
PAL
PAL
PAL
PAL
SECAM
SECAM
SECAM
NTSC
PAL
NTSC
NTSC
NTSC
SECAM
PAL
JAPAN
JAPAN
JAPAN
PAL
PAL
NTSC
SECAM 
PAL
SECAM
PAL
PAL
PAL
D/K
D/K
D/K
B/G
D/K
M
D/K
I
M
B/G
D/K
B/G
D/K
B/G
D/K
D/K
B/G
B/G
B/G
B/G
B/G
I
I
D/K
D/K
L
M
N
M
M
M
L
M
M
M
M
B/G
B/G
M
D/K
D/K
D/K
B/G
D/K
D/K
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
Cable
Cable
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
Cable
V/UHF
V/UHF
Cable
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
V/UHF
D-1
D-4
D-10
E-5
R-12
US-14
R-34
I-41
US-63
E-04
R-05
E-05
R-12
E-21
R-34
R-54
E-2
E-5
E-11
E-25
E-36
I-30
I-11
R-05
R-34
F-B
US-04
N-10
US-11
US-13
US-30
F-49
M-69
JA-01
JA-04
JA-36
Au-5
E-05
US-13
R-12 
D-01
R-34
E-21
D-04
D-10
C 01
C 04
C 10
C 05
C 12
C 14
C 34
C 41
C 63
C 04
C 05
C 05
C 12
C 21
C 34
C 54
C 02
C 05
C 11
C 25
C 36
C 30
S 11
S 45
C 34
C 47
C 4
C 10
C 11
C 13
C 30
C 49
C 69
S-95
J 4
37
S-47
C 05
C 13
C 12
C 01
C 34
C 21
C 04
C 10
49.75
77.25
200.25
175.25
223.25
471.25
575.25
631.25
765.25
62.25
93.25
175.25
223.25
471.25
575.25
735.25
48.25
175.25
217.25
503.25
591.25
543.25
231.25
93.25
575.25
55.75
67.25
193.25
199.25
211.25
567.25
695.25
801.25
91.25
171.25
609.3
102.25
175.25
211.25
223.25
49.75
575.25
471.25
77.25
200.25
995
1545
4005
3505
4465
9425
11505
12625
15305
1245
1865
3505
4465
9425
11505
14705
965
3505
4345
10065
11825
10865
4625
1865
11505
1115
1345
3865
3985
4225
11345
13905
16025
1825
3425
12186
2045
3505
4225
4465
995
11505
9425
1545
4005
- 16 -
TROUBLE SHOOTING GUIDE
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