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ALIGNMENT SET-UP PROCEDURES
TUNER SECTION
1
2
C435
T401
3
STS21AAST-01-04
1. AM IF Adjustment
Test point: IC401 (TA2099N)
Adjustment location: T405
T405 ---------------------- 450±3kHz
2. MW Frequency Range Adjustment
Test point: C435 +
Adjustment location: T403
Set the tuner frequency to be 531kHz.
Adjust T403 so that the test point voltage
is 1.7±0.05V.
EQUIPMENT CONNECTION DIAGRAM
MW SECTION
8
IC401
18
STS21AAST-01-04
2CH AC VOLTMETER
OSCILLOSCOPE
OUT
DIGITAL MULTMETER
T405
test point
1
3
18
T403
IC401
test point
2
TC401
3. MW Tracking Adjustment
Test point: IC401 (TA2099N) 18PIN
Adjustment location: T401, TC401
T401 ---------------------- 603kHz waveform max.
TC401 --------------------- 1404kHz waveform max.
LOOP ANT
60cm
JK401
+
AM/FM ST SG
49
VOLTAGE CHART
CPU & DISPLAY CONTROL SECTION
TEST CONDITION:DVD PLAY
IC301 (TMP87EP26F)
PIN'S NUMBER
1
2
3
DVD PLAY
0
2.43
2.15
4.75
PIN'S NUMBER
11
12
13
14
DVD PLAY
0.06
0.06
0.03
3.30
PIN'S NUMBER
21
22
23
24
DVD PLAY
4.92
4.88
0
4.92
PIN'S NUMBER
31
32
33
34
DVD PLAY
4.88
0.04
0.03
4.88
PIN'S NUMBER
41
42
43
44
DVD PLAY
4.88
4.02
4.88
4.88
PIN'S NUMBER
51
52
53
54
DVD PLAY
4.92
/
/
PIN'S NUMBER
61
62
63
64
DVD PLAY
/
/
/
PIN'S NUMBER
71
72
73
74
DVD PLAY
/
/
/
PIN'S NUMBER
81
82
83
84
DVD PLAY
/
/
/
PIN'S NUMBER
91
92
93
94
DVD PLAY
/
/
/
IC302 (TC74HC373AP)
PIN'S NUMBER
1
2
3
DVD PLAY
0.02
0.01
0.02
3.29
PIN'S NUMBER
11
12
13
14
DVD PLAY
4.29
0
0.15
0.15
TRANSISTOR
Q301(2SC1417)
E
C
B
DVD PLAY
0
0.24
0
IC304 (PT6311)
PIN'S NUMBER
1
2
3
DVD PLAY
2.18
2.09
1.95
1.94
PIN'S NUMBER
11
12
13
14
DVD PLAY
1.95
0
0
4.99
PIN'S NUMBER
21
22
23
24
DVD PLAY
/
/
/
PIN'S NUMBER
31
32
33
34
DVD PLAY
/
/
4.99
-25.10
PIN'S NUMBER
41
42
43
44
DVD PLAY
/
/
/
PIN'S NUMBER
51
52
DVD PLAY
0
2.69
4
5
6
7
8
9
0
0.24
0
4.01
4.61
15
16
17
18
19
0.03
4.88
0.04
4.92
4.88
25
26
27
28
29
4.88
0
3.30
4.92
0.04
35
36
37
38
39
4.84
0.04
4.88
4.88
0
45
46
47
48
49
0
2.44
0.16
4.87
0
55
56
57
58
59
/
/
/
/
/
/
65
66
67
68
69
/
/
/
/
/
/
75
76
77
78
79
/
/
/
/
/
/
85
86
87
88
89
/
/
/
/
/
/
95
96
97
98
99
/
/
/
/
/
/
4
5
6
7
8
9
4.98
4.97
3.29
0.15
0
15
16
17
18
19
0
0
0.15
0
0
Q302(DTC114ES)
E
C
B
0
4.21
0
4
5
6
7
8
9
4.33
4.99
0
4.99
4.99
15
16
17
18
19
/
/
/
/
/
25
26
27
28
29
/
/
/
/
/
/
35
36
37
38
39
/
/
/
/
/
45
46
47
48
49
/
5.00
5.00
5.00
5.00
5.00
50
10
0
20
4.92
30
4.89
40
2.81
50
0
60
/
70
/
80
/
90
/
100
4.92
10
0
20
4.99
10
2.01
20
/
30
/
40
/
50
4.80
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