32
31
DIGITAL MULTMETER
2CH AC VOLTMETER
OSCILLOSCOPE
OUT
AM/FM ST SG
IC101
17
8
C123
FM ANT
( )
CD6606-01-01
FM SECTION
VOLTAGE CHART
THE MEASURED VALUE IS DC VOLTAGE
UNIT: V
TUNER SECTION
TEST CONDITION: SET AM/FM TUNER ONE FREQUENCY
IC101 (TA2149BN)
PIN'S NUMBER
1
2
3
4
5
6
7
8
AM
0
0
1.09
5.47
5.50
4.82
5.50
0
FM
0
0.80
0.21
4.83
4.99
4.45
5.02
0
PIN'S NUMBER
9
10
11
12
13
14
15
16
AM
0.28
4.92
1.24
1.26
0
0
0.71
1.11
FM
0
4.20
1.23
1.25
4.09
0
0.71
1.03
PIN'S NUMBER
17
18
19
20
21
22
23
24
AM
0.94
3.57
3.94
5.50
5.50
5.49
5.50
5.50
FM
0.95
3.29
3.43
4.99
4.99
4.97
4.99
5.01
IC401 (TC9257P)
PIN'S NUMBER
1
2
3
4
5
6
7
8
9
10
FM
2.11
2.26
4.76
4.76
4.76
3.22
0
0
0
4.57
PIN'S NUMBER
11
12
13
14
15
16
17
18
19
20
FM
4.57
4.58
0
2.34
0
4.57
2.26
0
1.07
0.27
TRANSISTOR
Q102(C1815)
Q103(C1815)
E
C
B
E
C
B
FM
0
8.39
0.60
0.60
8.39
1.07
POWER AMP. SECTION
TEST CONDITION: FM ON OR CD PLAY
IC501 (BU4052BC)
PIN'S NUMBER
1
2
3
4
5
6
7
8
TUNER
0.11
0.11
0.11
0.10
0
0.12
0
0
CASSETTE
0.10
0.10
0.10
0.10
0
0.12
0
0
CD
0.12
0.12
0.11
0.10
0
0.16
0
0
PIN'S NUMBER
9
10
11
12
13
14
15
16
TUNER
4.65
0
0
0
0
0
0
5.62
CASSETTE
0
4.22
0
0
0
0
0
5.62
CD
4.45
4.47
0
0
0
0
0
5.62
IC309 (L7806CV)
PIN'S NUMBER
1
2
3
FM
12.00
0
6.00
TRANSISTOR
Q506(C1815)
Q507(C1815)
Q108(8550)
E
C
B
E
C
B
E
C
B
FM
0
0
0.70
0
0.70
0
8.29
8.27
7.55
TRANSISTOR
Q309(2SB562)
Q310(C1815)
E
C
B
E
C
B
FM
13.37
13.37
12.52
0
0
0.69
TRANSISTOR
Q307(2SB1566)
Q308(C1815)
E
C
B
E
C
B
CD
13.00
8.31
12.32
7.59
12.24
8.14
