Hitachi 32UX01S, Руководство по обслуживанию

Страница: 85 / 92

85
R-OUT
L-OUT
A
1
앫
All DC voltage to be measured with a tester (100k
액
/V). Voltage taken on a complex color bar signal including a standard color bar signal.
앫
Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement.
PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to
safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service
Manual. DonÕt degrade the safety of the receiver through improper servicing.
BASIC CIRCUIT DIAGRAM
SIGNAL 2 OF 3
SIGNAL 3 OF 3
3 2 4 5 6
1 3 2 4 5 6
B
C
D
E
A
B
C
D
E
SIGNAL 2 OF 3
IX11 1.49
0
4.95
3.47
2.43
1.44
3.48
0
2.5
1.66
2.28
4.99
0
0
0
0
4.94
0
0
4.94
0
3.55
4.29
1.57
4.26
3.63
4.97
0 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
CIRCUIT
NO.
PIN
NO. DC
VOLTAGE
I301 5.05
4.13
4.81
4.10
4.80
7.33
4.82
4.18
4.83
4.18
4.81
0.03
5.14
4.18
0
4.18
3.40
0.02
4.57
4.65
0
4.11
5.45
4.11
4.18
4.18
5.28
0
4.79
0
5.87
4.09
4.09
5.50
0
4.22
4.53
8.81
3.32
4.17
5.42
4.17 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
CIRCUIT
NO.
PIN
NO. DC
VOLTAGE
Q300
Q301
Q370
4.5
3.9
8.8
1.7
1.1
8.8
0.6
0
0 B
E
C
B
E
C
B
E
C
CIRCUIT
NO.
PIN
NO. DC
VOLTAGE
CIRCUIT
NO.
PIN
NO. DC
VOLTAGE
QX10
QX12
QX13
QX14
QX15
QX16
QX17
QX18
QX19
4.1
3.5
8.8
8.2
8.8
4.2
4.3
3.6
8.8
5.1
4.5
8.9
8.2
8.9
5.1
2.1
1.5
8.2
4.3
3.6
8.9
5.9
5.2
8.9
4.0
3.3
8.9 B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
CIRCUIT
NO.
PIN
NO. DC
VOLTAGE
CIRCUIT
NO.
PIN
NO. DC
VOLTAGE