Sony KV-HA21M50 Service Manual ▷ View online
– 43 –
KV-HA21M50/HA21M60/HA21M80/
KV-HA21M80/H/HA21M81/HA21P52
RM-969
5-4.
VOLTAGE MEASUREMENTS
A BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
IC001
1
(4.6)[0]
2
0
3
0
4
(0)[4.5]
5
4.8
6
(0)[4.9]
7
0
8
0
9
4.9
10
4.6
11
0
12
0
13
0
14
4.7
15
4.9
16
0
17
4.7
18
0
19
(0.9)[1.8]
20
0
21
4.9
22
0
23
(0)[4.9]
24
(4.9)[0]
25
0.4
26
3.6
27
0
28
(0.8)[1.6]
29
4.9
30
4.7
31
4.9
32
0
33
4.9
34
2.3
35
2.1
36
4.9
37
0
38
(2)[4.8]
39
(0.3)[1]
40
4.9
41
4.9
42
(3.4)[3.0]
43
(0.9)[1.6]
44
4.9
45
(4.9)[2.6]
46
4.9
47
0.4
48
4.7
49
0
50
0
51
0
52
0
53
4.9
54
4.5
55
4.9
56
4.5
57
3.6
58
(0)[0.3]
59
8.9
60
(0.1)[8.9]
61
0
62
0
63
4.9
64
4.9
IC002
1
0
2
4.9
3
4.8
4
11
5
4.9
6
0
7
0
IC003
1
0
2
0
3
0
4
0
5
4.9
6
4.9
7
0
8
4.9
IC004
1
4.7
2
3.6
3
0
IC101
I
9
G
0
O
0
IC201
1
4.5
2
4.5
3
4.5
4
4.5
5
4.5
6
4.5
7
4.5
8
4.5
9
4.5
10
4.5
11
4.5
12
4.5
13
4.5
14
4.5
15
4.5
16
4.5
17
4.5
18
4.5
19
4.5
20
0
21
4.6
22
4.6
23
4.5
24
9
25
0
26
3.8
27
3.8
28
4.5
IC203
1
0
2
0
3
20.3
4
0
5
0
6
0
7
(*)[9.8]
8
0.4
9
0
10
21
11
9.7
12
9.7
IC301
1
(0.9)[1.1]
2
3.7
3
0
4
0
5
(2.4)[3.6]
6
(2.9)[4.4]
7
4.6
8
4.5
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
9
6.6
10
0
11
3.3
12
8.2
13
(3.8)[4.6]
14
0
15
3.1
16
(0.2)[0.5]
17
(3.3)[3.9]
18
6.7
19
(2.8)[3.1]
20
(2.7)[2.9]
21
(2.8)[3.0]
22
3.3
23
3.4
24
3.4
25
3.4
26
0
27
(2.7)[2.9]
28
(2.7)[2.9]
29
2.3
30
2.4
31
2.3
32
2.4
33
0.3
34
2.4
35
2.4
36
(4.8)[4.3]
37
8.2
38
2.5
39
4.9
40
1.5
41
0.64
42
3.1
43
3.9
44
0
45
4.1
46
1.3
47
1.4
48
4.6
49
4.6
50
1.6
51
3.7
52
3.8
53
(4.6)[1.2]
54
(4.2)[8.2]
55
2.9
56
(3.2)[4.1]
IC402
1
5.5
2
2.5
3
2.5
4
0
5
(9)[2.5]
6
(5.5)[2.5]
7
(2.5)[5.5]
8
(2.4)[9]
IC520
1
9.4
2
5.8
3
5.8
4
0
5
2.2
6
2.2
7
2.2
8
11.6
– 44 –
KV-HA21M50/HA21M60/HA21M80/
KV-HA21M80/H/HA21M81/HA21P52
RM-969
A BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
IC551
1
0.5
2
13.6
3
-12
4
-13
5
0.2
6
13.7
7
0.5
IC601
1
*
2
*
3
(*)[159]
4
(*)[7]
5
(*)[2]
IC602
1
(*)[118]
2
(*)[135]
3
0
IC604
1
(11)[11.6]
2
9
3
0
4
4.7
IC850
1
2.1
2
0.7
3
1.5
4
0
5
2.5
6
2.1
7
5.8
8
9
IC851
1
(2.3)[2.7]
2
3.2
3
3.2
4
(0)[0.1]
5
(0)[2.8]
6
(2.6)[2.8]
7
3.7
8
9
Q001
B
0
C
4.9
E
0
Q002
B
0
C
4.9
E
0
Q003
B
0
C
4.9
E
0
Q004
B
0.1
C
4.9
E
0.1
Q005
B
0
C
4.7
E
(0)[0.2]
Q100
B
(3.6)[7.4]
C
9
E
(4.2)[8.1]
Q102
B
3.1
C
2.4
E
9
Q103
B
0
C
3.2
E
0
Q104
B
0
C
(0)[5.5]
E
3.2
Q105
B
0
C
9(0)
E
(0.3)[0.6]
Q106
B
0
C
3.8
E
0.6
Q201
B
5.6
C
9
E
6.2
Q202
B
(6)[3.3]
C
(0)[1.3]
E
(13)[13.4]
Q203
B
(5.5)[5.2]
C
13
E
(6.1)[5.8]
Q204
B
21.4
C
21.4
E
20.7
Q205
B
0
C
0
E
(4.7)[0.7]
Q208
B
1.3
C
1.4
E
4.8
Q300
B
(3.1)[0.2]
C
0
E
0
Q301
B
(3.2)[4.1]
C
0
E
(2.4)[4.8]
Q302
B
(0)[4.1]
C
0
E
(3.8)[3.6]
Q303
B
(2.4)[4.8]
C
(7.8)[4.8]
E
(3.0)[5.5]
Q304
B
(3.0)[5.8]
C
(2.4)[4.8]
E
(0)[9]
Q305
B
(2.9)[5.8]
C
(2.3)[4.8]
E
(2.3)[9]
Q306
B
9
C
9
E
(2.9)[4.3]
Q307
B
9
C
9
E
(2.9)[4.4]
Q308
B
0
C
9
E
0
Q309
B
(2.3)[9]
C
9
E
(2.9)[0.1]
Q310
B
0
C
9.0
E
0
Q311
B
(9)[3.5]
C
9
E
(2.9)[4.4]
Q312
B
0
C
(0)[9.0]
E
(3.8)[0]
Q313
B
0
C
(8.9)[0]
E
(0)[3.3]
Q314
B
0
C
0
E
4
Q315
B
2.7
C
9
E
0
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q316
B
0
C
4.9
E
0
Q317
B
0
C
9
E
0
Q318
B
2.6
C
6.2
E
3.2
Q319
B
3.8
C
(8.2)[0.2]
E
4.4
Q320
B
0
C
(3.3)[5.4]
E
0
Q400
B
11.4
C
(1)[4.4]
E
11.6
Q401
B
0
C
(0.1)[0]
E
(0.1)[0.2]
Q402
B
0
C
(0.1)[0]
E
(0.1)[0.2]
Q403
B
5.2
C
0
E
4.5
Q404
B
5.2
C
0
E
4.5
Q405
B
5.1
C
0
E
(4.4)[4.5]
Q406
B
1.8
C
4.2
E
2.5
Q407
B
3.5
C
9
E
4.2
Q500
B
(*)[133.7]
C
0
E
(*)[133.6]
Q520
B
0.6
C
0
E
0
Q800
B
0
C
(*)[30]
E
0
Q801
B
(0.1)[0]
C
(*)[99]
E
(*)[0]
Q802
D
(5.6)[10]
G
(8)[5.5]
S
0
Q850
B
5.6
C
9
E
5.9
Q851
B
5.6
C
0
E
5.7
Q922
B
2.0
C
5.3
E
2.7
Q923
B
(1.4)[1.9]
C
(2.5)[9]
E
(2.1)[2.4]
– 45 –
KV-HA21M50/HA21M60/HA21M80/
KV-HA21M80/H/HA21M81/HA21P52
RM-969
A3 BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
IC2401
1
5
2
5.5
3
5.5
4
0
5
2.3
6
0
7
0
8
0
9
0
10
0
11
5.1
12
4.7
13
4.3
14
0
15
0
16
0
17
0
18
0
19
0
20
5.1
21
0
22
5
23
0
24
0
25
0
26
0
27
0
28
0
29
0
30
0
31
0
32
0
33
0
34
0
35
3.3
36
0
37
2.4
38
2.4
39
0
40
4.8
41
0
42
0
43
0
44
0
IC2601
I
7
G
0
O
5.1
A BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
Q924
B
(5.5)[0]
C
9
E
(6.1)[8.5]
Q956
B
0
C
0
E
0.6
Q961
B
(1.9)[1.4]
C
(9)[2.4]
E
(2.5)[2.1]
Q962
B
8.3
C
3.2
E
7.7
Q964
B
0.9
C
6.6
E
1.5
Q966
B
1.0
C
6.1
E
1.6
IC2701
1
0
2
4.3
3
4.2
4
4.3
5
4.3
6
4.2
7
0
8
0
9
0
10
0
11
0
12
0
13
34
14
4.2
15
4.3
16
0
17
*
18
*
19
5
20
0
21
*
22
*
23
*
24
*
25
*
26
0
27
0
28
0
29
3
30
3.6
31
0
32
0.8
Q2101
B
*
C
*
E
*
Q2301
B
*
C
*
E
*
Q2302
B
3.9
C
9
E
3.2
Q2303
B
3.9
C
9
E
3.1
Q2304
B
3.9
C
9
E
3.2
Ref
Pin No.
Voltage[v]
– 46 –
KV-HA21M50/HA21M60/HA21M80/
KV-HA21M80/H/HA21M81/HA21P52
RM-969
V2 BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
IC5801
1
(1.4)[1.8]
2
(1.4)[1.8]
3
(1.4)[1.8]
4
(1.4)[1.8]
5
(1.4)[1.8]
6
(1.4)[1.8]
7
(1.4)[1.8]
8
(1.4)[1.8]
9
(1.4)[1.8]
10
(1.4)[1.8]
11
(1.4)[1.8]
12
(1.4)[1.8]
13
0
14
(1.4)[1.6]
15
(1.4)[1.6]
16
(1.4)[1.6]
17
(1.4)[1.6]
18
(1.4)[1.6]
19
(1.4)[1.6]
20
(1.4)[1.6]
21
(1.4)[1.6]
22
0
23
0.9
24
0
25
0.9
26
1.2
27
0
28
0
29
(1.4)[1.7]
30
(1.4)[1.7]
31
3.2
32
0
33
0
34
0
35
0
36
2.6
37
4.7
38
0
39
3.2
40
0
41
1.5
42
1.6
43
0
44
3.3
45
(1.5)[1.8]
46
(1.5)[1.8]
47
(1.5)[1.8]
48
(1.5)[1.7]
49
4.6
50
(4.6)[4.4]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
51
3.3
52
3.3
IC5802
1
4.8
2
0
3
1.2
4
3.3
5
5.3
Q5801
B
0
C
3.2
E
0
Q5803
B
0
C
0
E
0.6
Q5805
B
0
C
2.7
E
0
Q5806
B
0
C
3.3
E
1.4
Q5810
B
0
C
2.7
E
0
Q5817
B
0
C
4.7
E
0
CV BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
J701
KR
(110)[102]
KG
(112)[104]
KB
(103)[96]
H2
(0.1)[0]
G2
218
Q704
B
(8.7)[9]
C
(105.8)[96]
E
(8.1)[8.4]
Q705
B
9
C
(112)[104]
E
8.3
Q706
B
9
C
(111)[103]
E
8.4
Q707
B
(105.6)[96]
C
(7.8)[8.2]
E
(102.5)[95]
Q708
B
(112)[104]
C
8
E
(109)[102]
Q709
B
(111)[102]
C
(8.1)[8.3]
E
(108)[100]
Q710
B
2.9
C
8.4
E
(2.2)[2.4]
Q711
B
(2.7)[2.9]
C
8.4
E
(2.1)[2.3]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q712
B
2.8
C
8.4
E
2.1
Q1763
B
133.9
C
68.9
E
134.5
Q1765
B
0.9
C
68.9
E
0.3
Q1767
B
5.5
C
9
E
4.8
Q1777
B
0.7
C
0
E
0
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