Panasonic CT20DC50B - 20" CLR TV/DVD COMBO, Service Manual

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A-BOARD WAVEFORMS -- FORMAS DE ONDA TARJETA A
A-BOARD -- TARJETA A
Waveforms - A-Board
2.0V p-p [20
µ
s]
IC101 PIN 33 (DET OUT)
1
IC101 PIN 1
3.58VCO
OSC
3.58MHz X’tal
5
1.7V p-p [20
µ
s]
IC101 PIN 41 (SYNC)
9
30.8V p-p [5ms]
IC451 PIN 13
13
7.4V p-p [20
µ
s]
IC101 PIN 16 (H SYNC)
17
324.0V p-p [5
µ
s]
IC803 PIN 2
21
0.9V p-p [20
µ
s]
TP12
2
4.7V p-p [20
µ
s]
A14 PIN 2 (R)
TP47R
6
4.2V p-p [5ms]
IC101 PIN 52 (VERT OUT)
10 14
NOT
APPLICABLE
174.0V p-p [20
µ
s]
Q501 Collector (H DRIVE)
18
324.0V p-p [5
µ
s]
Q802 Collector
22
1.9V p-p [20
µ
s]
IC101 PIN 39 (Y IN)
3
3.8V p-p [20
µ
s]
A14 PIN 3 (G)
TP47G
7
1.7V p-p [5ms]
IC451 PIN 7 (DRIVE)
11
IC101 PIN 48
H OSC
OSC
503KHz X’tal
15
256.0V p-p [20
µ
s]
T551 PIN 1
19
0.4V p-p [20
µ
s]
IC101 PIN 43 (C IN)
4
4.2V p-p [20
µ
s]
A14 PIN 4 (B)
TP47B
8
54.4V p-p [5ms]
IC451 PIN 12 (VERT OUT)
12
3.4V p-p [20
µ
s]
IC101 PIN 50 (H OUT)
16
24.8 p-p [20
µ
s]
T551 PIN 6
20
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