—
30
—
N304 TDA7056(no signals, blue background)
PIN 1 2 3 4 5 6 7 8 9
Voltage
V
/ 14
2.4 0 0
7 0 7 /
N401 LA7840(color bars)
PIN 1 2 3 4 5 6 7
Voltage
V 0 13 26 2.5 2.5 26 2
N401 LA7840(no signals, blue background)
PIN 1 2 3 4 5 6 7
Voltage
V 0 13 26 2.5 2.5 26 2
N601 MC44608P75(color bars)
Normal operation
PIN
1 2 3 4 5 6 7 8
Voltage
V
1 0 5 0 3.6
12.3
0 126
Standby operation
PIN
1 2 3 4 5 6 7 8
Voltage V
0
0
•
5
Change
0 0 8 0 131
Voltage of transistor (color bars)
V103
V107
V108
PIN B C E PIN B C E PIN B C E
Voltage V
0.3
4.8
0
Voltage V
0
16
0
Voltage V
16
0
15
V114
V203
V302
PIN B C E PIN B C E PIN B C E
Voltage V
0.3
4.4
0
Voltage V
2.2
0
2.9
Voltage V
0.4
1.1
0
V501
V502
V604
PIN B C E PIN B C E PIN B C E
Voltage V
0.16
19
0
Voltage V -0.1
115
0
Voltage V
0.7
0.2
0
V613
V640
V642
PIN G D S PIN K R A PIN G A K
Voltage V
3.6
140
0
Voltage V
6.5
2.5
0
Voltage V
7.1
111
7.8
V901
V911
V921
V701
PIN B
C
E PIN B C E
Voltage
V 1.7 120 1.2
Voltage
V 2 11 1.4
Summary of Contents for 2168
Page 1: ...ATEC PANDA Type 2188 Type 2168 54 cm Color TV Set Service Manual ...
Page 35: ... 34 10 Waveform Diagrams at Each Point ...
Page 38: ... 37 ...
Page 40: ... 39 ...
Page 42: ... 41 ...
Page 44: ... 43 ...
Page 46: ... 45 ...
Page 50: ... 49 ...
Page 52: ... 51 ...
Page 54: ... 53 ...
Page 56: ... 55 ...
Page 60: ......