Sony KV-XA21M30 Service Manual ▷ View online
– 70 –
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
A Board
✼ Mark List
KV-XA21M30
KV-XA21M63
KV-XA21N90
R656
#
#
1.0K
RY600
#
#
Relay Ac Power
TU101
BTF-WG441
BTF-WG441
BTF-WG411
VDR600
#
ERZV14D621
#
C1 Board
✼ Mark List
KV-XA21M30
KV-XA21M63
KV-XA21N90
C1803
10
#
#
C1804
10
#
#
C1809
1000 25V
#
#
C5955
47 16V
#
47 16V
CN1801
4P
#
#
CN1802
3P
#
#
D1803
1SS119-25
#
#
D1804
1SS119-25
#
#
D1808
GP08D
#
#
IC1800
LA6510
#
#
Q1802
2SC2785-HFE
#
#
Q5961
2SC3311A
2SC2785
2SC3311A
Q5962
2SC3311A
2SC2785
2SC3311A
Q5963
2SA1837
2SA1606-E
2SA1837
Q5965
2SC4793
2SC4159-E
2SC4793
Q5967
2SC3311A
2SC2785
2SC3311A
R1802
1.2
#
#
R1803
1.2
#
#
R1805
10K
#
#
R1806
4.7K
#
#
R1808
4.7K
#
#
R1809
33K
#
#
R1810
33K
#
#
R1811
82K
#
#
R1812
33K
#
#
R1821
82K
#
#
R1822
33K
#
#
R1823
5.6K
#
#
R1824
33K
#
#
F Board
✼ Mark List
KV-XA21M30
KV-XA21M63
KV-XA21N90
VDR461
#
#
TNR14V271K660
Note: The parts indicated as "#" in this circuit diagram are not listed
here, as they are not used for these models.
here, as they are not used for these models.
Note: The parts indicated as "#" in this circuit diagram are not listed
here, as they are not used for these models.
here, as they are not used for these models.
Note: The parts indicated as "#" in this circuit diagram are not listed
here, as they are not used for these models.
here, as they are not used for these models.
– 71 –
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
A (1/2) BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No
Voltage[v]
IC001
1
0
2
4.5 <4.0>
3
0.5 <0.3>
4
5.0
5
5.0
6
0
7
4.0
8
4.8
9
0.5
10
4.8
11
5.0
12
0
13
2.1
14
2.0
15
5.0
16
5.0
17
0
18
0
19
2.0 <2.7>
20
0.4
21
5.0
22
0
23
5.0
24
0.4
25
0
26
5.0
27
4.8
28
5.0
29
0
30
0
31
0
32
0
33
5.0
34
0
35
0
36
2.3
37
2.5
38
4.9
39
5.0
40
0
41
0.4
42
0.4
43
0
44
5.0
45
5.0
46
4.6
47
5.0
48
4.4
49
0
50
2.0
51
0
52
5.0 <0>
IC002
1
0
2
5.0
3
4.9
4
7.3
5
5.0
6
0
7
0
IC003
1
0
2
0
3
0
4
0
5
5.0
6
5.0
7
0
8
5.0
IC100
1
4.8
2
4.8
3
0
IC201
1
0
2
19.6
3
10.4
4
20.0
5
10.5
6
19.6
7
0
8
20.0
9
10.3
10
0.6
11
0
12
0
13
0
14
0.6
15
0
IC203
1
4.4
2
4.4
3
4.4
4
4.4
5
4.4
6
4.4
7
4.4
8
4.4
9
4.4
10
4.4
11
4.4
12
4.4
13
4.4
14
4.4
15
4.4
16
4.4
17
4.4
18
4.4
19
4.4
20
0
21
4.5
22
4.5
23
4.4
24
8.8
25
0
26
3.7
27
3.7
28
4.4
IC301
1
3.4
2
5.0
3
2.4 <1.9>
4
5.0
5
4.8
6
4.3
7
1.5
8
3.8
9
4.9
10
3.8
11
5.0
12
0
13
3.8
14
2.3
15
3.5
16
3.4
17
5.4
18
7.6
19
0.8
20
3.6
21
3.0
22
3.8
23
3.0 <3.5>
24
1.5
25
1.5
26
1.6
27
0
28
4.5
29
4.5
30
4.5
31
8.8
32
4.1
33
4.1
34
3.6
35
8.8
36
4.5
37
4.5
38
0
39
4.1
40
4.7
41
4.7
42
0
43
5.1
44
4.9
45
7.1 <6.5>
46
5.0
47
8.7
48
0.2
49
5.1 (4.3) <0>
50
0
51
0
52
#
IC302
1
0.9
2
0
3
1.3
4
0
5
4.9
6
4.9
7
1.0
8
0
9
0.5
10
0
11
0
5-4. VOLTAGE LIST MEASUREMENT
– 72 –
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No
Voltage[v]
12
1.6
13
0
14
1.5
15
0
16
1.5
IC502
1
1.3
2
3.6
3
1.2
4
0
5
3.4
6
3.0
7
6.8
8
8.9
IC503
1
1.0
2
13.6
3
-12.4 <12.1>
4
-13.6
5
0.2
6
13.8
7
1.0
IC601
1
3.3 (1.8)
2
1.7 (0.2)
3
113.3
4
19.0 (17.5) <19.3>
5
1.6 (0.1) <1.9>
IC602
1
121.1
2
135.0
3
0
IC603
I
12.8
G
0
O
8.9
IC604
I
10.5
G
0
O
5.0
IC901
1
4.9
2
0
3
4.7 <4.1>
Q002
B
0
C
5.0
E
0
Q101
B
2.8
C
8.9
E
2.2
Q201
B
0
C
0
E
0
Q202
B
0
C
0
E
0
Q205
B
0
C
10.3
E
0
Q206
B
0
C
0
E
0
Q207
B
0
C
0
E
0
Q301
B
12.8
C
0
E
12.6
Q302
B
1.5
C
8.1
E
0.9
Q303
B
8.1
C
1.5
E
8.7
Q305
B
8.1
C
1.8
E
8.7
Q306
B
1.5
C
8.1
E
0.9
Q307
B
4.3
C
8.7
E
3.7
Q308
B
3.6
C
0.5
E
0.8
Q310
B
0.2
C
4.9
E
0
Q312
B
5.3
C
0
E
7.0 <6.5>
Q313
B
0
C
12.7
E
0
Q314
B
0.5
C
0
E
1.0
Q315
B
0
C
1.6 <1.9>
E
0
Q316
B
4.1
C
0
E
4.7
Q317
B
4.1
C
0
E
4.7
Q401
B
0
C
0
E
0
Q402
B
0
C
0
E
0
A (2/2) BOARD VOLTAGE LIST
Q403
B
4.5
C
0
E
5.2
Q404
B
4.5
C
0
E
5.2
Q503
B
0
C
3.6
E
0
Q505
D
8.6 <8.2>
G
6.9
S
0
Q506
B
-0.4
C
48.6
E
0
Q507
B
13.0
C
0
E
13.5
Q509
B
0.6
C
0.1
E
0
Q511
B
0
C
122.6
E
0
Q600
B
0
C
0
E
0
Q604
B
133.9
C
0
E
134.3
Q605
D
121.6
G
-0.4 <-0.6>
S
-2.1
Q606
B
-1.5
C
-0.5
E
-2.1
Q607
B
0.7
C
0
E
0
Q608
B
0
C
0.7
E
0
Q901
B
0.1
C
5.0
E
0.1
Q902
B
0
C
5.0
E
0
PH600
1
128.7
2
127.7
3
3.6
4
17.5
– 73 –
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
C1 BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No
Voltage[v]
IC700
1
1.6
2
1.6
3
1.5
4
0
5
4.9<5.3>
6
194.5
7
160.5 <154>
8
157.4 (155) <153>
9
155.3 (152.2) <150>
IC1800
1
6.7
2
6.7
3
6.7
4
6.6
5
0
6
6.6
7
6.6
8
6.6
9
6.6
10
13.1
J701
G2
325.8 (328.2) <323.4>
H1
0
KB
155.8 (153.2) <150.3>
KG
158 (155.7) <153.7>
KR
160.8 <154.57>
Q700
B
4.5
C
3.6 (3.4) <4.3>
E
4.9 <5.3>
Q1802
B
0.3
C
3.6
E
0
Q5961
B
2.4
C
8.9
E
1.8
Q5962
B
2.4
C
5.3
E
1.8
Q5963
B
134.1
C
67.1
E
134.7
Q5965
B
0.9
C
67.1
E
0.3
Q5967
B
5.9
C
8.9
E
5.6
Q5968
B
5.3
C
0
E
5.6
Click on the first or last page to see other KV-XA21M30 service manuals if exist.