Waveforms - JVC LT-37DS6FJ/p Service Manual

Lcd integrated digital tv
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<CONNECTOR PWB>
<POWER PWB>
<REGULATOR PWB>
[P.2-41 - P.2-42]
[P.2-45 - P.2-46]
[P.2-49 - P.2-50]
MODE
MODE
MODE
MODE
DC (V)
DC (V)
DC (V)
DC (V)
PIN NO.
PIN NO.
PIN NO.
PIN NO.
IC4301
IC9141
IC9901
IC9801
1
0
1
5.6
1
13.5
1
9.9
2
4.5
2
0
2
15.8
2
15.8
3
4.6
3
5.0
3
8.8
3
5.1
4
0
IC9211
4
0
4
0
5
4.6
1
2.5
5
1.1
5
1.1
6
4.5
2
2.7
6
1.5
6
1.7
7
4.5
3
0.6
7
6.8
7
6.8
8
9.0
4
0
8
0
8
0
IC4801
5
2.6
Q9501
IC9821
1
9.8
6
0
E
0
1
9.8
2
8.9
7
12.7
C
0
2
15.8
3
5.0
8
19.8
B
0.6
3
5.2
4
0
Q9021
Q9502
4
0
5
1.2
E
-0.1
S
0
5
1.1
6
1.1
C
0
D
371.2
6
1.2
7
3.2
B
0.6
G
0
7
4.1
8
0
Q9152
Q9503
8
1.6
IC4901
E
0
E
0
IC9841
1
8.1
C
3.1
C
0
1
8.3
2
9.0
B
0
B
0.6
2
15.8
3
3.2
Q9211
Q9504
3
3.4
4
0
S
0
S
22.2
4
0
5
1.2
D
89.5
D
36.9
5
1.0
6
1.5
G
12.8
G
20.6
6
1.3
7
3.3
Q9212
Q9506
7
3.2
8
0
E
0
E
0
8
0
IC4902
C
9.9
C
9.9
IC9861
1
3.2
B
0
B
0
1
7.7
2
3.3
Q9213
Q9541
2
15.8
3
2.5
1
19.8
E
0
3
2.7
4
1.2
2
0
C
0
4
0
5
0
3
0
B
3.2
5
1.1
CN00UD
4
0
Q9602
6
1.5
1
2.5
5
9.9
E
10.5
7
3.0
2
32.1
6
19.8
C
11.2
8
0
3
12.1
Q9215
B
11.2
IC9881
4
0
E
0
Q9603
1
0
5
0
C
0
E
0
2
4.4
6
5.1
B
0.6
C
0
3
3.5
7
3.1
Q9216
B
3.2
4
0
E
0
Q9606
5
0
C
10.7
E
0
6
0
B
0
C
0
7
0
<FRONT LED PWB>
Q9251
B
0.6
8
9.2
[P.2-44]
MODE
E
0
Q9901
Q9801
DC (V)
PIN NO.
C
9.9
E
0
E
0
IC8752
B
0.5
C
0
C
0
1
3.1
Q9252
B
0.5
B
0.6
2
4.9
E
0
CN000P
Q9821
3
0
C
0
1
24.0
E
0
Q8701
B
7.0
2
24.0
C
0
E
0
3
24.0
B
0.6
C
4.9
4
24.0
[P.2-47 - P.2-48]
B
0
MODE
5
24.0
DC (V)
PIN NO.
Q8702
6
0
E
4.9
IC9501
7
0
C
-0.2
4
0
8
0
B
4.9
7
19.8
9
0
Q8703
8
0
10
0
E
0
10
4.8
C
0
11
1.2
B
3.3
12
4.8
Q8704
13
2.9
E
2.4
14
0.8
C
2.0
15
4.8
B
0
16
1.6
Q8710
19
231.2
E
0
20
230.0
C
0
23
371.9
B
3.1
IC9541
Q8711
1
2.4
E
0
2
0
C
0
3
10.2
B
3.3
IC9602
1
0
2
4.5
3
4.6
4
5.1
5
0
6
5.1
7
0
8
0
9
4.9
10
5.1
11
5.0
12
0
13
5.1
14
0
15
0
16
0
IC9603
1
15.8
2
3.4
3
15.8
4
2.6
5
0

WAVEFORMS

RECEIVER PWB
ANALOG SIGNAL PWB (1/5)
(SHEET1)
(SHEET2)
TU3002-16
IC501-41
(H)
1.0 Vp-p
1.1 Vp-p
ANALOG SIGNAL PWB (2/5)
(SHEET3)
IC801-1
IC801-3
(H)
0.8 Vp-p
1.8 Vp-p
IC801-22
IC801-23
(H)
0.7 Vp-p
0.7 Vp-p
ANALOG SIGNAL PWB (3/5)
(SHEET4)
IC201-8
IC201-19
(H)
0.8 Vp-p
5.2 Vp-p
IC202-9
IC202-11
(H)
4.2 Vp-p
3.6 Vp-p
IC301-46
IC301-74
(H)
1.7 Vp-p
0.5 Vp-p
DIGITAL SIGNAL PWB (3/11)
(SHEET9)
IC1001-6
IC1001-7
(0.2µs)
1.8 Vp-p
7.0 Vp-p
DIGITAL SIGNAL PWB (7/11)
(SHEET13)
IC6502-27
IC6502-28
(H)
3.5 Vp-p
3.5 Vp-p
DIGITAL SIGNAL PWB (11/11)
(SHEET17)
IC7501-102
IC7501-103
(V)
3.6 Vp-p
3.6 Vp-p
IC7506-13
IC7506-14
(V)
3.4 Vp-p
3.4 Vp-p
(No.YA299)2-73
2-74(No.YA299)
IC501-44
IC501-49
IC501-53
(H)
(H)
(H)
(H)
1.8 Vp-p
1.8 Vp-p
1.8 Vp-p
IC801-4
IC801-5
IC801-7
(H)
(V)
(H)
(H)
4.0 Vp-p
0.8 Vp-p
0.6 Vp-p
IC801-38
IC801-46
IC802-7
(H)
(0.5µs)
(1µs)
(H)
0.3 Vp-p
0.9 Vp-p
1.0 Vp-p
IC201-21
IC201-29
IC201-30
(V)
(2µs)
(V)
(H)
0.3Vp-p
3.4 Vp-p
3.4 Vp-p
IC202-12
IC301-35
IC301-36
(H)
(H)
(H)
(H)
4.6 Vp-p
1.3 Vp-p
1.3 Vp-p
DIGITAL SIGNAL PWB (1/11)
(SHEET7)
IC301-75
IC301-76
IC1502-1
(H)
(H)
(H)
(H)
0.6 Vp-p
0.6 Vp-p
2.0 Vp-p
IC1001-58
IC1001-75
IC1001-76
(0.2µs)
(0.5µs)
(H)
(V)
5.4 Vp-p
3.6 Vp-p
3.5 Vp-p
DIGITAL SIGNAL PWB (10/11)
(SHEET16)
IC6502-31
IC7001-23
IC7001-24
(V)
(0.1µs)
(0.5µs)
(0.5µs)
3.0 Vp-p
2.4 Vp-p
4.6 Vp-p
IC7501-108
IC7501-109
IC7501-121
(H)
(1µs)
(1µs)
(H)
1.4 Vp-p
1.5 Vp-p
1.3 Vp-p
IC7506-15
(V)
(H)
3.6 Vp-p
IC501-56
IC501-63
(H)
(H)
1.8 Vp-p
0.8 Vp-p
IC801-9
IC801-11
IC801-21
(H)
(H)
(H)
4.5 Vp-p
0.8 Vp-p
0.5 Vp-p
IC802-19
IC802-25
IC802-27
(2µs)
(H)
(H)
0.4 Vp-p
1.5 Vp-p
1.0 Vp-p
IC202-4
IC202-5
IC202-7
(V)
(V)
(V)
4.0 Vp-p
3.5 Vp-p
4.0 Vp-p
IC301-38
IC301-43
IC301-44
(H)
(H)
(H)
1.0 Vp-p
1.5 Vp-p
1.5 Vp-p
IC1502-5
IC1502-7
(H)
(H)
1.7 Vp-p
2.0 Vp-p
IC1001-85
IC1001-92
IC1001-94
(H)
(H)
(H)
0.7 Vp-p
0.8 Vp-p
0.8 Vp-p
IC7001-78
(V)
3.6 Vp-p
IC7506-1
IC7506-2
IC7506-12
(H)
(H)
(V)
3.6 Vp-p
3.5 Vp-p
3.6 Vp-p

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