Sony KV-SZ29M50 (serv.man2) Service Manual ▷ View online
KV-SZ29M50/M90/M91/N90
RM-GA002
KV-SZ29M50/M90/M91/N90
RM-GA002
4-3-9. H1 Board Schematic Diagram
– 49 –
– 50 –
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
35V
47
C4103
35V
47
C4109
10V
470
C4108
G
R
SPB-25MVWF
D4106
MA111-TX
D4108
VCC
GND
OUT
RPM7240-H5
IC4101
L
R
V
J4102
JW4101
XX
1
2
3
4
5
6
7
WHT
7P
CN4103
KEY
LED R
LED G
GND
VCC
GND
SIRCS
S4101
1
2
3
4
470p
CH
C4104
RN-CP
10
R4110
RN-CP
220k
R4104
470p
CH
C4106
RN-CP
220
R4108
RN-CP
220
R4109
XX
C4110
16V
1
F
C4107
RN-CP
100
R4111
16V
1
F
C4105
RN-CP
220k
R4106
RN-CP
75
R4103
250V
4700p
E
C4111
CAM002
CAM004
CAM001
CAM003
1
CN4111
TAB B
RD5.6SB-T1
D4109
RD5.6SB-T1
D4107
1
2
3
4
5
5P
CN4105
CV IN
GND
L IN
GND
R IN
RD5.6SB-T1
D4104
RD5.6SB-T1
D4103
D4101
XX
D4102
XX
RD5.6SB-T1
D4105
1
2
2P
CN4101
AC IN
AC IN
XX
R4101
1SS133T-77
D4111
XX
L4101
XX
C4112
XX
C4113
1
2
3
4
4P
CN4106
SP L OUT
SP GND
SP GND
SP R OUT
1SS133T-77
D4110
XX
L4102
XX
C4114
XX
C4115
1
2
3
CN4109
XX
GND
GND
NC
S4104
S4107
S4105
S4108
S4102
2
1
S4103
S4106
22
C4116
22
C4117
5
JW4131
5
JW4132
RD5.6SB-T1
D4115
150
R4118
RN-CP
220
R4117
RN-CP
330
R4116
RN-CP
470
R4115
RN-CP
680
R4114
RN-CP
1k
R4113
RN-CP
1.5k
R4112
RN-CP
R4119
XX
1
GND_2
GND_2
GND_2
GND_2
GND_2
GND_2
GND_2
GND_2
GND_2
GND_2
GND_2
7.5
JW4664
7.5
JW4663
1
23
4
T4604
XX
VDR460
1
2
3
4
5
6
7
8
XX
CN4107
PH L IN
SP L IN
SP GND
SP GND
SP R IN
PH R IN
GND
3D IN
275V
PT
0.68
C4602
250V
PT
C4603
*
FH4101
FH4102
JW4135
XX
1
GND_2
UN2216
Q4101
UN2216
Q4102
1
2
2P
CN4102
AC OUT
AC OUT
0.5W
RN
R4122
820k
14
T4600
330
R4120
330
R4121
J4104
RN-CP
27k
R4105
RN-CP
27k
R4107
J4103
1
2
3
4
4P
CN4108
RED
SP L IN
SP GND
SP GND
SP R IN
250V
5A
F4101
20
JW4661
20
JW4662
(Front Panel / CISPR)
H1 BOARD
TO SPEAKER
TO K BOARD
CN8202
TO A BOARD
CN2101
MENU
VOL - VIDEO
CH -
VOL +
MODE
SOUND
CH +
!
!
!
!
!
!
!
!
!
B-BX1L(06)-E..-H1.-SZ29M50
169243121
169243121
169243121
169243121
169243121
169243121
169243121
178664912
143118211
153322311
153322311
3P
XX
177078631
180499511
TO A BOARD
CN3101
– 51 –
KV-SZ29M50/M90/M91/N90
RM-GA002
1
2
4
5
6
3
12
11
9
8
7
L6601
56mH
1
3
3P
CN6620
WHT
AC OUT
AC IN
PF
(Power Factor Correction)
TO D BOARD
CN6607
B-BX1L(06)-E..-PF.-SZ29M91
!
(KV-SZ29M91)
4-3-10. PF Board Schematic Diagram
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
– 52 –
KV-SZ29M50/M90/M91/N90
RM-GA002
A BOARD VOLTAGE LIST AND WAVEFORM
4-4. 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
*
4
3.2
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
1.8
17
2.1
18
0
19
2.1
20
2.2
21
2.9
1.140Vp-p
PAL
9
1.020Vp-p
NTSC
9
22
1.2
1.320Vp-p
PAL
8
1.480Vp-p
NTSC
8
23
1.3
1.780Vp-p
7
24
1.8
25
1.8
26
*
27
*
28
0
29
0.1
30
0.1
31
(3.3)[4.5]
32
1.2
33
0
34
2.1
35
2.1
36
(3.8)[3.4]
37
(3.8)[3.4]
38
2.1
39
2.5
40
0
41
*
42
0.1
43
0.1
44
3.7
45
8.4
46
4.6
47
4.6
48
1.4
1.980Vp-p
6
49
2.1
50
2.1
51
1.3
52
1.5
53
2.1
54
2.1
55
1.6
56
2.1
57
2.1
58
1.3
59
1.5
60
3.4
61
3.4
62
3.4
63
3.4
64
0.4
65
2.0
66
0.3
5.500Vp-p
PAL
5
5.320Vp-p
NTSC
5
67
2.0
5.240Vp-p
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
0.2
78
1.2
79
1.2
80
1.2
81
0
82
4.8
83
1.9
84
3.0
85
1.6
2.360Vp-p
PAL
3
2.400Vp-p
NTSC
3
86
1.6
1.960Vp-p
PAL
2
1.740Vp-p
NTSC
2
87
1.6
1.880Vp-p
PAL
1
2.280Vp-p
NTSC
1
88
3.2
89
0
90
3.2
91
1.5
92
0
93
1.8
94
3.2
95
0
96
1.8
97
2.8
98
3.0
99
3.2
100
1.7
101
0
102
0.6
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
0.1
114
0
115
0.1
116
0.3
– 53 –
KV-SZ29M50/M90/M91/N90
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
117
1.6
118
1.6
119
3.2
120
1.5
121
0
122
0
123
3.2
124
1.7
125
0
126
3.2
127
0.2
128
3.2
IC003
1
0
2
0
3
0
4
0
5
3.3
6
3.6
7
3.2
8
3.2
IC200
1
0
2
0
3
22.3
4
0
5
0
6
0
7
11.1
8
0
9
0
10
23.9
11
7.8
12
11.0
IC502
1
0.1
2
5.6
3
4.4
4
0
5
4.1
6
3.8
7
7.5
8
8.9
IC503
1
0.5
860.0mVp-p
PAL
10
920.0mVp-p
NTSC
10
2
13.3
3
(-12.3)[-12.0]
30.20Vp-p
11
4
-14.8
5
0.3
6
13.6
7
0.5
800.0mVp-p
12
IC601
1
149.9
2
-
3
-0.2
4
10.9
5
0.2
6
0.2
7
0.1
IC602
1
10.6
2
8.9
3
0
4
2.1
IC603
I
3.5
G
0
O
1.9
V
2.3
IC604
I
8.9
G
0
O
4.9
IC605
V
134.8
G
0
O
19.0
IC606
I
23.2
G
0
O
3.2
IC607
I
3.5
G
0
O
1.8
Q001
B
0
C
(2.2)[2.3]
E
0
Q010
B
2.0
C
0
E
2.6
Q016
B
2.4
C
0
E
0
Q100
B
4.3
C
8.8
E
3.6
Q102
B
3.1
C
8.8
E
2.4
Q103
B
(0)[3.1]
C
(3.2)[0]
E
0
Q111
B
0
C
8.9
E
0
Q200
B
2.0
C
0
E
0
Q202
B
3.5
C
(1.9)[1.7]
E
3.5
Q206
B
2.5
C
0.1
E
0
Q502
B
0.4
C
0.1
E
0
Q503
B
0.1
C
5.6
E
0
Q505
S
0
G
7.5
D
(17.5)[18.8]
Q506
S
0
G
2.9
202.0Vp-p
PAL
13
224.0Vp-p
NTSC
13
D
71.3
Q511
B
*
24.80Vp-p
14
C
134.0
E
0
Q512
B
0.1
C
4.9
E
0.1
Q513
B
1.2
C
0
E
1.8
Q515
B
1.5
C
2.0
E
1.0
Q516
B
133.9
C
*
E
134.3
Q601
B
0.1
C
10.6
E
0
Q605
B
11.9
C
(104.7)[104.3]
E
11.5
Q606
B
10.7
C
(12.0)[11.8]
E
11.1
Q608
B
0
C
19.9
E
0
Q609
B
0.6
C
0
E
0
Q610
B
-0.5
C
-0.3
E
0
Q900
B
1.4
C
0
E
2.1
Q901
B
0.2
C
0.1
E
0
Q902
B
0
C
0.1
E
0
PH600
1
22.6
2
21.6
3
4.5
4
11.0
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