Sony BA-4D Service-Handbuch - Seite 9

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Sony BA-4D Service-Handbuch
A BOARD SCHEMATIC DIAGRAM
— 31 —
857 3 A Board Schem.p65
1
— 32 —
3/26/99, 2:30 PM
A BOARD WAVEFORMS
1
2
3
1.0 Vp-p (H)
2.0 Vp-p (H)
4.7 Vp-p (H)
5
6
7
1.0 Vp-p (H)
0.7 Vp-p (H)
0.9 Vp-p (H)
10
9
11
2.0 Vp-p (H)
0.9 Vp-p (H)
1.7 Vp-p (H)
13
14
15
1.4 Vp-p (V)
5.5 Vp-p (H)
5.3 Vp-p (H)
17
18
19
20
3.1 Vp-p (H)
3.1 Vp-p (H)
1.3 Vp-p (H)
21
22
23
1.2 Vp-p (H)
2.5 Vp-p (H)
182.8 Vp-p (H)
25
26
27
1.08 KVp-p (H)
30.4 Vp-p (H)
54.3 Vp-p (V)
29
30
2.4 Vp-p (V)
112.5 Vp-p (H)
A BOARD IC VOLTAGE LIST
IC001
IC002
8
4.2
18
3.5
23
5.1
pin
volt
pin
volt
9
5.1
19
3.1
24
0.0
1
0.6
1
7.1
10
4.2
20
2.5
25
1.1
2
4.8
2
GND
11
NC
21
1.6
26
0.0
3
0.0
3
5.4
12
GND
22
1.8
27
2.5
4
0.0
4
GND
13
4.9
23
1.8
28
5.1
5
4.8
5
GND
14
4.3
24
1.8
29
2.3
6
0.0
6
4.9
15
4.3
25
NC
30
2.3
7
0.0
7
GND
16
4.3
26
NC
IC401
8
0.2
8
4.9
17
GND
27
NC
pin
volt
9
0.0
IC003
18
GND
28
NC
1
0.7
10
NC
pin
volt
19
4.9
29
0.0
2
NC
11
NC
1
GND
20
4.9
30
4.6
3
2.3
12
3.3
2
GND
21
GND
31
4.6
4
14.3
13
0.0
3
GND
22
NC
32
4.6
5
2.3
14
4.9
4
GND
23
5.0
33
8.9
6
GND
15
0.0
5
4.9
24
NC
34
4.9
7
0.3
16
0.0
6
4.9
25
4.2
35
4.9
8
6.9
17
-0.3
7
GND
26
4.2
36
0.0
9
GND
18
4.9
8
4.9
27
5.0
37
4.4
10
6.9
19
4.9
IC004
28
NC
38
5.2
11
6.9
20
1.8
pin
volt
29
NC
39
5.2
12
GND
21
0.0
1
2.9
30
GND
40
GND
13
6.9
22
2.2
2
4.9
31
NC
41
NC
IC402
23
GND
3
GND
32
4.2
42
8.9
pin
volt
24
2.3
33
4.2
43
5.2
1
4.4
IC010
25
2.3
pin
volt
34
5.0
44
9.0
2
GND
26
GND
1
0.0
35
0.0
45
4.9
3
4.4
27
4.9
2
0.5
36
4.3
46
4.7
4
4.4
28
0.0
3
0.0
37
NC
47
1.9
5
4.4
29
0.0
4
GND
38
9.0
48
NC
6
4.4
30
4.9
5
NC
39
NC
IC302
7
4.4
31
4.9
6
9.0
40
4.2
1
5.1
8
4.4
32
2.8
7
0.0
41
5.1
2
0.0
9
4.4
33
4.9
8
GND
42
4.2
3
0.0
10
1.5
34
2.5
IC202
IC301
4
NC
11
4.9
35
NC
pin
volt
pin
volt
5
1.2
12
4.9
36
4.9
1
7.6
1
3.4
6
0.0
13
5.6
37
4.9
2
7.6
2
5.1
7
5.1
14
4.4
38
4.9
3
7.6
3
4.3
8
1.1
15
4.4
39
4.9
4
GND
4
5.1
9
5.1
16
4.4
40
0.5
5
7.6
5
4.8
10
0.7
17
4.4
41
0.0
6
7.6
6
4.4
11
0.0
18
4.4
42
0.0
7
7.6
7
2.2
12
2.0
19
4.4
43
4.9
8
15.3
8
4.9
13
2.8
20
4.4
44
0.1
IC203
9
5.1
14
1.0
21
9.0
45
NC
pin
volt
10
GND
15
2.2
22
4.4
46
4.9
1
4.9
11
4.3
16
0.0
IC521
47
0.0
2
4.2
12
2.4
17
0.0
pin
volt
48
0.0
3
4.9
13
3.5
18
0
1
0.1
49
0.0
4
4.2
14
3.5
19
0
2
3.8
50
0.0
5
4.9
15
5.7
20
NC
3
2.5
51
0.0
6
6.1
16
7.6
21
0
4
GND
52
0.0
7
4.9
17
0.7
22
5.1
5
9.1
— 33 —
KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/
29AL66C/29SL42/29SL42C/29SL46/29XL42M
4
3.6 Vp-p (8MHz)
8
4.0 Vp-p (V)
12
1.4 Vp-p (V)
16
3.8 Vp-p (H)
0.7 Vp-p (H)
24
23.4 Vp-p (H)
28
31.1 Vp-p (V)
A BOARD IC VOLTAGE LIST
6
10.2
B
C
E
B
C
E
7
0.1
Q001 4.3
4.8
4.9
Q351
1.4
8.3
0.8
8
13.8
Q080 0.0
3.9 GND
Q352
8.3
1.2
8.9
IC541
Q082 0.2
4.6 GND
Q353
1.2
GND
1.8
pin
volt
Q083 0.0
0.6 GND
Q354
1.1
GND
1.7
1
1.6
Q101 0.0
4.6 GND
Q355
1.7
8.2
1.1
2
13.8
Q170 4.4
9.0
0.0
Q356
8.2
1.5
8.8
3
-13.4
Q200 0.0
0.0 GND
Q357
1.5
GND
2.2
4
-15.3
Q201 0.6
0.0 GND
Q358
5.9
9.0
5.2
5
0.0
Q203 2.4 GND 0.7
Q359
3.8
GND
4.4
6
14.6
Q280 5.2 GND 5.9
Q360
4.7
GND
5.3
7
1.6
Q281 4.1 GND 4.7
Q361
1.3
5.1
1.2
IC601
Q282 4.1 GND 4.7
Q390
5.0
9.0
4.4
pin
volt
Q283 0.0
5.9 GND
Q391
0.0
5.0
GND
1
1.8
Q284 0.6
0.0 GND
Q501
-0.1
97.3
GND
2
0.2
Q285 0.6
0.0 GND
Q521
0.1
4.2
GND
3
151.7
Q286 4.4 GND 4.9
Q522
0.4
11.2
GND
4
17.3
Q287 5.0 GND 5.7
Q550
0.7
0.1
GND
5
GND
Q288 7.3
9.0
6.7
Q555
2.1
4.0
1.5
IC602
Q300 0.2
3.5 GND
Q571 134.0
0.8
134.6
pin
volt
Q302 4.4
9.0
3.8
Q601
-0.1
0.2
0.0
1
135
Q305 3.8 GND 4.4
Q602
0.0
17.0
0.0
2
121
Q306 1.7 GND 2.4
Q603
17.0
2.9
17.3
3
GND
Q307 1.8 GND 2.4
Q604
0.1
3.9
GND
IC604
pin
volt
Q308 1.8 GND 2.4
Q607
0.7
0.1
GND
Q309 3.6
1.6
3.8
Q610
0.0
0.7
GND
IN
11.7
OUT
9.0
Q310 3.6 GND 3.8
Q630
0.0
135.0 GND
Q349 5.2
9.0
4.6
Q650
5.7
9.0
5.1
GND
GND
Q350 0.7 GND 1.4
All voltages are in V
All voltages are in V
— 34 —