Sony KV-SZ252M50 (serv.man2) Service Manual ▷ View online
C
4103
C4109
10V
C4108
G
R
SPB-25MVWF
D4106
VCC
GND
OUT
IC4101
L
R
V
J4102
5
JW
41
01
50V
CH
C4104
1/10W
RN-CP
10
R4110
1/10W
RN-CP
R4104
50V
CH
C4106
1/10W
RN-CP
220
R4108
1/10W
RN-CP
220
R4109
C4110
16V
F
C4107
1/10W
RN-CP
100
R4111
16V
F
C4105
1/10W
RN-CP
R4106
R4103
E
C4111
CAM002
CAM004
CAM001
CAM003
1
CN4111
TAB B
1
2
3
4
5
CN4105
CV I
N
GND
L I
N
GND
R I
N
D4101
D4102
R4101
1SS133T-77
D4111
L4101
C4112
C4113
1
2
3
4
CN4106
SP L
O
U
T
SP G
N
D
SP G
N
D
SP R
O
U
T
1SS133T-77
D
4110
L4102
C4114
C4115
1
2
3
CN4109
GND
GND
NC
C4116
C4117
5
JW4131
5
JW
4132
1/10W
150
R4118
RN-CP
1/10W
220
R4117
RN-CP
1/10W
330
R4116
RN-CP
1/10W
470
R4115
RN-CP
1/10W
680
R4114
RN-CP
1/10W
R4113
RN-CP
1/10W
R4112
RN-CP
R4119
7.5
JW4664
7.5
JW4663
1
23
4
T4604
VDR460
1
2
3
4
5
6
7
8
CN4107
PH
L
I
N
SP
L
I
N
SP G
N
D
SP G
N
D
SP
R
I
N
PH
R
IN
GND
3D
I
N
PT
C4602
C4603
FH4101
FH4102
1
2
CN4102
AC OUT
AC OUT
0.5W
RN
R4122
1
23
4
T4600
R4120
R4121
J4104
1/10W
RN-CP
R4105
1/10W
RN-CP
R4107
J4103
F
5
C
2
A
D
4
A
1
E
E
B
D
8
C
10
7
B
F
9
6
3
250V
5A
F4101
20
JW4661
20
JW4662
Q
4101
Q4102
1
2
2
CN4101
AC IN
AC IN
AC IN
1
2
3
4
5
6
CN4112
CV I
N
GND
L I
N
GND
R I
N
GND
1/4W
10
R4123
JW4135
D4103
D
4104
D4105
D4107
D4115
MA111-TX
D4108
C4604
C4605
S4102
1
2
S4103
1
2
3
S4104
1
2
3
S4105
1
2
3
S4106
1
2
3
S4107
1
2
3
S4108
1
2
3
S4109
1
2
3
1
2
3
4
5
6
7
WHT
CN4113
KEY
LE
D R
LED G
GND
VCC
GND
SI
RC
S
1
2
3
4
RED
CN4110
SP
L
I
N
SP G
N
D
SP G
N
D
SP
R
I
N
1
2
3
4
5
6
7
CN4103
KEY
LE
D R
LED G
GND
VCC
GND
SI
RC
S
1
2
3
4
CN4108
SP
L
I
N
SP G
N
D
SP G
N
D
SP
R
I
N
D4109
H2
TO SPEAKER
MENU
VOL -
VIDEO
CH -
VOL +
MODE
SOUND
CH +
POWER
TO A(Block 006)
CN9201
TO Power cord
(FRONT PANEL / CISPR)
TO A(Block 003)
CN6101
TO A(Block 002)
CN2101
TO K2 Board
CN2402
TO A(Block 001)
CN3101
TO A(Block 006)
CN9202
470PF
1UF
470PF
1UF
470UF
47UF
35V
0.68UF 10
0V
DTZ5.6B
D
TZ5
.6B
DTZ5.6B
DTZ5.6B
DTZ5.6B
DTZ5.6B
0A
0V
0A
0V
RPM7240-H5
3P
DTC
143T
K
A
-T146
DTC143TKA-T146
220K
27K
220K
27K
1.5K
1K
820K
*
*
BX1L(07)13982-E..-H2.-SZ252
0.0047UF
125V
22UF
50V
22UF
50V
4P
4P
7P
330
1/4W
330
1/4W
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
5-3-9. H2 Board Schematic Diagram
RM-GA002
KV-SZ252M50/M61/M81/N50/N60
KV-SZ252M50/M61/M81/N50/N60
RM-GA002
- 55 -
- 56 -
– 57 –
KV-SZ252M50/M61/M81/N50/N60
RM-GA002
A BOARD VOLTAGE LIST AND WAVEFORM
5-4. VOLTAGE MEASUREMENT AND WAVEFORM
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No
Voltage[v]
IC001
1
0
2
0
3
1.8
4
3.3
5
3.2
6
0
7
3.2
8
0
9
3.2
10
*
11
*
12
0
13
0.1
14
2.4
15
4.8
16
1.9
17
2.2
18
0
19
2.2
20
2.2
21
2.8
1.480Vp-p
9
22
1.3
1.560Vp-p
8
23
1.3
1.800Vp-p
PAL
7
1.760Vp-p
NTSC
7
24
1.8
25
1.8
26
0
27
1.9
28
0
29
1.8
30
1.8
31
4.5
32
1.2
33
0
34
2.1
35
2.1
36
3.4
37
3.4
38
2.2
39
2.4
40
0
41
1.9
42
1.7
43
0.2
44
3.5
45
8.4
46
4.6
47
4.6
48
1.4
2.480Vp-p
PAL
6
2.160Vp-p
NTSC
6
49
2.1
50
2.1
51
1.3
52
1.5
53
2.1
54
2.1
55
1.4
56
2.1
57
2.1
58
1.4
59
1.4
60
3.4
61
3.4
62
3.4
63
3.4
64
0.3
65
1.9
66
0.3
5.520Vp-p
5
67
1.8
4.960Vp-p
PAL
4
5.040Vp-p
NTSC
4
68
0
69
4.8
70
1.2
71
1.2
72
1.2
73
1.9
74
1.6
75
0.1
76
0
77
0.1
78
1.2
79
1.2
80
1.2
81
0
82
4.8
83
2.2
84
3.1
85
1.6
2.200Vp-p
PAL
3
2.920Vp-p
NTSC
3
86
1.5
1.960Vp-p
PAL
2
1.760Vp-p
NTSC
2
87
1.7
2.200Vp-p
PAL
1
2.640Vp-p
NTSC
1
88
3.2
89
0
90
3.3
91
1.6
92
0
93
1.8
94
3.2
95
0
96
1.9
97
2.9
98
3.0
99
3.2
100
1.6
101
0
102
0.2
103
0
104
2.4
105
0
106
2.8
107
2.5
108
3.6
109
3.3
110
3.2
111
4.8
112
0.8
113
0
114
0
115
0.1
116
0.2
– 58 –
KV-SZ252M50/M61/M81/N50/N60
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
117
1.7
118
1.7
119
2.2
120
2.8
121
0
122
0
123
3.2
124
1.7
125
0
126
3.2
127
0.1
128
3.0
IC003
1
0
2
0
3
0
4
0
5
3.4
6
3.7
7
3.2
8
3.2
IC200
1
0
2
0
3
22.5
4
0
5
0
6
0
7
11.3
8
0
9
0
10
24.1
11
4.0
12
11.2
IC502
1
0.1
2
5.6
3
0.1
4
0
5
4.1
6
3.8
7
7.4
8
8.9
IC503
1
0.4
820.0mVp-p
PAL
10
840.0mVp-p
NTSC
10
2
13.3
3
(-12.7)[-12.5]
29.60Vp-p
PAL
11
28.80Vp-p
NTSC
11
4
-14.8
5
0.2
6
(13.3)[13.8]
7
0.4
760.0mVp-p
12
IC601
1
146.0
2
-
3
-0.1
4
10.8
5
0.1
6
0.2
7
0.1
IC602
1
10.6
2
8.9
3
0
4
2.1
IC603
I
3.6
G
0
O
1.9
V
2.4
IC604
I
8.9
G
0
O
4.8
IC605
V
134.8
G
0
O
19.2
IC606
I
23.4
G
0
O
3.3
IC607
I
3.6
G
0
O
1.7
PH600
1
22.0
2
21.0
3
4.3
4
*
Q001
B
0
C
2.0
E
0
Q010
B
1.9
C
0
E
2.5
Q016
B
2.4
C
0
E
0
Q018
B
0.1
C
3.2
E
0
Q100
B
4.5
C
8.9
E
3.9
Q102
B
3.2
C
8.9
E
2.4
Q103
B
(0)[3.0]
C
(3.3)[0]
E
0
Q104
B
3.2
C
0
E
0
Q111
B
0.1
C
8.9
E
0
Q200
B
2.0
C
0
E
0
Q201
B
23.3
C
24.1
E
24.1
Q206
B
2.5
C
0.1
E
0
Q501
B
199.5
C
175.7
E
199.9
Q502
B
0.5
C
0.1
E
0
Q505
S
0
G
7.4
D
20.9
Q506
S
0
G
2.8
3.440Vp-p
13
D
66.5
Q511
B
0.1
12.480Vp-p
PAL
14
12.560Vp-p
NTSC
14
C
137.8
E
0
Q512
B
0
C
4.8
E
0.1
Q513
B
1.2
C
0
E
1.8
Q515
B
1.5
C
2.0
E
1.0
Q601
B
0.1
C
10.6
E
0
Q608
B
0
C
20.1
E
0
Q609
B
0.6
C
0
E
0
Q900
B
1.4
C
0
E
2.0
Q902
B
0.1
C
0.1
E
0
– 59 –
KV-SZ252M50/M61/M81/N50/N60
RM-GA002
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
V-
0
2.360Vp-p
PAL
17
2.320Vp-p
NTSC
17
V+
0.2
51.20Vp-p
PAL
18
52.00Vp-p
NTSC
18
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
DY1
H+
*
280.0Vp-p
PAL
15
282.0Vp-p
NTSC
15
H-
*
162.0Vp-p
PAL
16
190.0Vp-p
NTSC
16
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC4101
VCC
3.2
GND
0
OUT
2.9
Q4101
B
3.2
C
1.9
E
1.9
Ref
Pin No.
Voltage[v]
Q4102
B
0
C
3.2
E
0.1
H2 BOARD VOLTAGE LIST
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