Sony KV-SZ252M50 Service Manual ▷ View online
C4103
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
250V
E
C4111
CAM002
CAM004
CAM001
CAM003
1
CN4111
TAB B
1
2
3
4
5
CN4105
CV
I
N
GN
D
L I
N
GN
D
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
1SS1
33
T-7
7
D
4110
L4102
C4114
C4115
1
2
3
CN4109
GN
D
GN
D
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
IN
SP L
IN
SP G
N
D
SP G
N
D
SP R
I
N
PH R
I
N
GN
D
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
GN
D
L I
N
GN
D
R I
N
GN
D
1/4W
10
R4123
JW4135
D4103
D
4104
D4105
D4107
D4115
MA111-TX
D4108
C4
60
4
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
KE
Y
LE
D
R
LE
D G
GN
D
VC
C
GN
D
SI
R
C
S
1
2
3
4
RED
CN4110
SP L
IN
SP G
N
D
SP G
N
D
SP R
I
N
1
2
3
4
5
6
7
CN4103
KE
Y
LE
D
R
LE
D G
GN
D
VC
C
GN
D
SI
R
C
S
1
2
3
4
CN4108
SP L
IN
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
4700PF
0.68UF 10
0V
DTZ5.6B
D
TZ5.6B
DTZ5.6B
DTZ5.6B
DTZ5.6B
DTZ5.6B
0A
0V
0A
0V
RPM7240-H5
3P
DT
C14
3T
K
A-
T
146
DTC143TKA-T146
220K
27K
220K
27K
1.5K
1K
820K
*
*
*
*
*
*
*
*
*
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
BX1L(07)13771-ME.-H2.-SZ252
5-3-9. H2 Board Schematic Diagram
RM-GA002
KV-SZ252M50/M58/M80/M88
KV-SZ252M50/M58/M80/M88
RM-GA002
- 56 -
- 57 -
– 58 –
KV-SZ252M50/M58/M80/M88
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
– 59 –
KV-SZ252M50/M58/M80/M88
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
– 60 –
KV-SZ252M50/M58/M80/M88
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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