DOWNLOAD Sony KV-XR25M50 (serv.man4) Service Manual ↓ Size: 5.82 MB | Pages: 94 in PDF or view online for FREE

Model
KV-XR25M50 (serv.man4)
Pages
94
Size
5.82 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xr25m50-sm4.pdf
Date
PREV: Sony KV-HW212M60 Service Manual

Sony KV-XR25M50 (serv.man4) Service Manual ▷ View online

A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
KV-XR25M50
RM-W104
KV-XR25M50
RM-W104
4-3-10. VM Board Schematic Diagram
– 52 –
– 53 –
1
2
3
4
5
6
7
8
8P
CN5904
QP-
QP-
QP+
QP+
E
E
VM
VM
1
2
3
CN5902
XX
E
NC
VM
16V
330
C5902
47
R5901
47uH
L5901
PT
0.047
C5906
  1SS119-25
D5901
1K
R5907
1K
R5906
1K
R5905
330
R5904
200V
100
C5905
160V
33
C5907
500V
0.0047
E
C5903
FPRD
39
R5903
FPRD
560
R5902
FPRD
1.5
R5908
 1SS119-25
D5905
820
R5917
1.5K
R5916
10K
R5915
10K
R5918
16V
100
C5909
47K
R5912
    1SS119-25
D5903
  2SC2458-YGR
      BUFFER
Q5905
2W
RS
10
R5929
  2SC2458-YGR
    AMPLIFIER
Q5901
68
R5910
220
R5909
68
R5914
  2SC2458-YGR
    AMPLIFIER
Q5903
16V
100
C5914
   2SA1606-E
VM DRIVER 1
Q5902
200V
PT
0.047
C5908
68K
R5911
  RD39ES-B
REGULATOR
D5902
   RD39ES-B
REGULATOR
D5904
PT
0.001
C5910
200V
2.2
C5911
PT
0.001
C5913
68K
R5920
200V
PT
0.1
C5912
FPRD
1k
R5919
3W
RS
180
R5921
500V
100p
B
C5918
    2SC4159-E
VM DRIVER 2
Q5906
PT
0.047
C5916
560
R5922
FPRD
1.5
R5923
16V
470
C5917
FPRD
39
R5925
WHT
XX
CN2801
QP+
NC
QP-
  2SA1175-HFE
     BUFFER
Q5904
R5937
120
JW5902
5.0MM
D5906
XX
D5907
XX
C5915
XX
R5913
XX
C5904
XX
R5936
120
1
2
3
4
5
6
WHT
6P
CN5901
VM
GND
9V
GND
NC
+B
47K
R5938
47K
R5939
MPS
0.1
C5919
 2SC2458-YGR
  AMPLIFIER
Q5907
470
R5940
7.5
JW5901
VM
TO A BOARD
(PROCESSOR) 
CN003/CN005
TO VM COIL
TO DL BOARD CN8802
(FOR KV-XR34 MODEL) 
TO D3 BOARD CN2802
(FOR KV-XR29 MODEL)
TO VM COIL
1
2
3
(VELOCITY MODULATION)
9V
B-SSSBX1L-VT.-VM..XR25M50
– 54 –
KV-XR25M50
RM-W104
A BOARD VOLTAGE LIST AND WAVEFORM
4-4. VOLTAGE MEASUREMENT AND WAVEFORM
Ref
Pin No.
Voltage[v]
IC001
1
0
2
3.3
3
(3.3)[0]
4
(1.4)[0]
5
(3.3)[2.0]
6
(0)[3.3]
7
0
8
0
9
0
10
3.0
11
2.0
12
2.0
13
2.0
14
1.0
15
4.9
16
0
17
2.0
18
2.0
19
3.3
20
4.0
21
4.0
22
5.0
23
0
24
0
25
2.0
26
1.0
27
3.3
28
0
29
2.0
30
1.0
31
1.0
32
(3.3)[0]
33
(1.0)[0]
34
0
35
(3.3)[0]
36
2.0
37
0
38
2.0
39
(3.3)[0]
40
0
41
3.3
42
2.0
1.560Vp-p
PAL
1
2.600Vp-p
NTSC
1
43
2.0
1.540Vp-p
PAL
2
1.280Vp-p
NTSC
2
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
44
2.0
2.240Vp-p
3
45
3.2
46
(0)[2.0]
47
(2.1)[5]
48
0
49
(1.2)[0]
50
1.2
51
(1.2)[1.0]
52
0
53
0
54
0
55
2.0
56
2.0
57
(1.2)[0]
58
1.2
59
1.2
60
5.0
61
0
62
(0)[1.5]
3.360Vp-p
4
63
0
5.760Vp-p
5
64
0
448.0mVp-p
6
65
(1.2)[1.5]
66
(0)[3.3]
67
(3.2)[0]
68
(3.2)[6.3]
69
(3.2)[0]
70
(2.0)[0]
71
(1.4)[0]
72
(0)[2.2]
73
(2.3)[0]
74
(1.4)[0]
75
(0)[2.3]
76
(0)[2.3]
77
2.0
78
(1.4)[2.1]
79
2.3
80
2.3
81
(1.3)[1.7]
2.240V
PAL
7
2.120V
NTSC
7
82
4.9
83
0
84
(2.1)[8.2]
85
(1.0)[1.4]
86
(0)[3.0]
87
(1.6)[0.2]
88
(2.0)[3]
89
0
90
2.4
91
2.2
92
3.2
93
3.2
94
2.3
95
2.3
96
0
97
0
98
(2.5)[4.8]
99
2.0
100
2.0
101
0
102
2.0
103
2.3
104
(1.2)[2.0]
105
(0)[2]
106
2.2
2.400Vp-p
8
107
2.0
2.200Vp-p
9
108
(2.0)[2.3]
1.300V
NTSC
10
1.000V
10
PAL
109
2.3
110
(3.0)[2.3]
111
0
112
2.2
113
2.0
114
(2.2)[2.5]
115
2.5
116
0.1
– 55 –
KV-XR25M50
RM-W104
Q015
B
2.0
C
0
E
0
Q100
B
2.5
C
8.8
E
2.0
Q103
B
(0)[3.2]
C
(3.2)[0]
E
0
Q104
B
(3.2)[0]
C
0
E
0
Q106
B
(0)[3.1]
C
2.4
E
(9.0)[8.4]
Q110
B
(2.0)[2.6]
C
8.8
E
2.0
Q111
B
2.3
C
2.3
E
2.2
Q202
B
6.4
C
0
E
(0)[6.9]
Q203
B
0.6
C
0
E
0
Q300
B
(1.2)[2.0]
C
0
E
0
Q501
B
0
C
0
E
0
Q502
B
0
C
(1.9)[1.3]
E
0
Q505
S
0
G
6.0
O
22.0
Q506
B
0
C
78.5
2.90Vp-p
15
E
0
Q511
B
0
378.0Vp-p
16
C
137.4
E
0
Q512
B
0
C
5.0
E
0
Q513
B
2.0
C
0
E
2.7
Q514
B
(2.7)[5.0]
C
5.0
E
(2.2)[1.7]
Q515
B
1.5
C
2.2
E
1.0
Q516
B
133.4
C
0
E
(0)[57.4]
117
0
118
*
119
*
120
3.3
121
0
122
3.3
123
0
124
0
125
3.3
126
2.0
127
0
128
0
IC003
1
0
2
0
3
0
4
0
5
4.0
6
4.2
7
0
8
3.3
IC200
1
0
2
0
3
19.0
4
0
5
0
6
0
7
9.3
8
0
9
0
10
20.1
11
20.1
12
9.3
IC502
1
0
2
(1.0)[0]
3
(1.07)[0]
4
0
5
(3.0)[2.5]
6
2.0
7
6.2
8
(9.0)[0]
IC503
1
0
920.0mVp-p
11
2
13.0
3
30.0
30.00Vp-p
12
4
-14.7
5
0
6
(0)[13.1]
7
0
1.580Vp-p
13
IC602
1
(3.0)[2.3]
2
2.0
3
2.0
4
2.5
5
0
6
(0)[4.5]
7
(5.0)[17.4]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
8
(17.5)[0]
9
0
10
10.4
11
0
12
(5.2)[5.0]
13
0
14
(142)[140]
15
13.
16
(137)[135]
17
0
18
(269)[275]
IC603
1
134
2
0
3
2.7
4
2.7
5
2.4
940.0mVp-p
14
6
11.0
7
0
8
0
IC604
I
13.4
G
(0)[8.7]
O
(3.61)[0]
IC605
1
(2.0)[0.1]
2
0
3
0
4
7.0
5
0
IC606
I
4.0
G
0
O
1.7
IC607
I
6.4
G
0
O
5.0
IC608
1
0
2
2.5
3
2.4
4
2.5
5
15.3
6
(0)[0.2]
7
(0)[0.2]
8
(0)[0.2]
9
(0)[0.2]
10
(0)[0.2]
11
(0)[0.2]
IC609
1
5.0
2
0
3
5.0
4
2.0
5
0
PH600
1
13.4
2
12.4
3
0
4
1.7
Q001
B
0
C
2.0
E
0
Q009
B
0
C
0
E
2.3
Q012
B
(0)[0.3]
C
5.0
E
0
Q013
B
0
C
(2.0)[1.3]
E
0
Q014
B
(0)[1.0]
C
0
E
0
– 56 –
KV-XR25M50
RM-W104
Q600
B
0.14
C
13.4
E
0
Q607
S
(132)[130]
G
(132)[135]
O
276
Q608
S
0
G
(5.2)[4.9]
O
132
Q609
B
0.7
C
0
E
0
Q612
B
0
C
4.9
E
0
Q613
B
1.0
C
0
E
0
Q614
B
0.4
C
1.0
E
0
Q615
B
(0.3)[0]
C
4.9
E
0
Q900
B
1.26
C
0
E
2.0
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
Q901
B
0
C
0
E
0
Q902
B
0
C
0
E
0
Q910
B
0
C
0
E
0
Q911
B
0
C
(0)[9.0]
E
0
Q912
B
0
C
0
E
0
DY1
H+
378.0Vp-p
17
Ref
Pin No.
Voltage[v]
H-
182.0Vp-p
18
V-
2.560Vp-p
19
V+
56.00Vp-p
20
VM BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q5901
B
2.6
C
(0)[8.7]
E
2.0
Q5902
B
135
C
80.0
E
135
Q5903
B
(0)[2.6]
C
4.6
E
2.0
Q5904
B
4.6
C
0
E
5
Q5905
B
5.5
C
8.7
E
5.0
Q5906
B
0.3
C
80.0
E
0
Q5907
B
3.6
C
8.7
E
2.9
H3 BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
IC3901
VCC
3.2
GND
0
OUT
2.9
Q3900
B
0
C
3.2
E
0
Q3902
B
3.2
C
3
E
1.8
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