DOWNLOAD Sony KV-SW293M50 Service Manual ↓ Size: 5.29 MB | Pages: 64 in PDF or view online for FREE

Model
KV-SW293M50
Pages
64
Size
5.29 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-sw293m50.pdf
Date
PREV: Sony KLV-26S200A / KLV-32S200A / KLV-40S200A / KLV-46S200A (serv.man3) Service Manual

Sony KV-SW293M50 Service Manual ▷ View online

– 47 –
KV-SW293M50
RM-GA002
4-3-9. H4 Board Schematic Diagram
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
VCC
GND
OUT
RPM7240-H5
IC1900
G
R
SPB-25MVWF
D1903
S1650
470p
B
C1901
1SS133T-77
D1902
1
2
2P
CN1651
AC OUT
AC OUT
1
2
2P
CN1652
AC IN
AC IN
470p
B
C1900
RD5.6ESB2
D1901
RD5.6ESB2
D1900
1
2
3
4
5
WHT
5P
CN1900
LED G
LED R
GND
SIRCS IN
3.3V SEN
VD601
XX
H4
(AC SWITCH)
TO H5 BOARD
CN3907
TO A(003) BOARD
TO F1 BOARD 
CN4602
CN600
!
!
!
B-BX1L(06)13541-VT-H4.-SW293M50
3.3V
178664912
KV-SW293M50
RM-GA002
KV-SW293M50
RM-GA002
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
4-3-10. H5 Board Schematic Diagram
– 48 –
– 49 –
 3.3V
220
R3911
220
R3914
47
R3916
1k
R3907
1.5k
R3915
680
R3920
470
R3908
330
R3909
220
R3910
150
R3912
D3901
RD5.6ESB2
27K
R3918
1uF
C3906
220K
XX
XX
R3902
R3922
D3902
XX
 75
R3924
27K
R3919
D3907
1uF
C3913
220K
R3917
XX
R3904
XX
R3905
47
25V
C3914
  XX
L3902
10uH
L3901
J3904
    XX
1
2
3
4
5
6
CN3903
XX
PH L IN
SP L IN
SP GND
SP GND
SP R IN
PH R IN
1
2
3
4
5
6
7
CN3905
7P
STBY 3.3V
GND
LED G
LED R
SIRCS
GND
KEY
1
2
3
4
5
6
7
8
9
XX
CN3904
R IN
GND
L IN
GND
CV IN
S IN
C IN
GND
Y IN
3
4
1
2
J3902
XX
5.0MM
JW3913
JW3919
5.0MM
5.0MM
JW3904
5.0MM
JW3905
JW3906
  XX
JW3918
RD5.6ESB2 
D3908
L
R
V
J3903
XX
R3925
5.0MM
JW3914
1
2
3
4
WHT
4P
CN3901
SP L OUT
SP GND
SP GND
SP R OUT
1
2
3
4
5
WHT
5P
CN3907
LED G
LED R
GND
SIRCS IN
3.3V SEN
1
2
3
4
5
CN3908
5P
R IN
GND
L IN
GND
CV IN
R3926
XX
1SS133T-77
D3912
1SS133T-77
D3913
J3901
25V
47
C3910
25V
47
C3911
D3900
KRC110M
Q3901
KRC110M
Q3902
1
2
3
WHT
XX
CN3909
MICIN
GND
MICSW
1
2
3
XX
CN3910
GND
GND
NC
1
2
3
XX
CN3906
W GND
W GND
3D OUT
1
2
3
4
5
6
7
8
9
XX
CN3902
PH L IN
SP L IN
SP GND
SP GND
SP R IN
PH R IN
GND
3D IN
3D IN
J3905
S3909
2
1
S3907
S3908
S3902
S3903
S3904
S3905
1
2
3
4
5
6
7
8
XX
CN3911
STBY 3.3V
GND
LED G
LED R
SIRCS
GND
KEY
9V
4
3
2
1
IC3900
R3928
C3916
C3917
R3930
C3915
C3918
C3920
R3927
R3929
 
 XX
C3900
XX
C3901
 
XX
C3902
XX
XX
C3903
D3914
D3915
D3903
D3904
XX
D3905
XX
JW3910
XX
L3903
H5 
(FRONT PANEL)
TO A(002) BOARD
CN2101
TO H4 BOARD
CN1900
MENU
VIDEO
VOL -
VOL + 
CH -
CH + 
SOUND
MODE
CN7003
TO K BOARD
TO A BOARD 
CN016
+
-
-
+
8
7
6
5
B-BX1L(06)13541-VT.-H5.-SW293M50
3.3V
 9V
 
3P
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
1-692-431-21 1-692-431-21 1-692-431-21 1-692-431-21 1-692-431-21 1-692-431-21 1-692-431-21
XX
XX
RD5.6ESB2
– 50 –
KV-SW293M50
RM-GA002
4-3-11. F1 Board Schematic Diagram
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
1
2
2P
CN4601
AC IN
AC IN
1
2
WHT
2P
CN4602
AC OUT
AC OUT
1
1P
CN4603
GND
1
4
T4602
JW4603
XX
JW4604
XX
JW4601
XX
JW4602
XX
JW4605
XX
1431118211
JW4606
XX
JW4607
XX
JW4608
XX
FH001
FH002
XX
R4602
     XX
R4603
C4602
0.68
1
2
2
3
3
4
T4601
820k
R4601
RN
C4601
 XX
250V
4700p
B
C654
F4601
5A
250V
C4603
F1 
(CISPR)
SPARK GAP
TO POWER CORD
TO H4 BOARD
CN1652
!
!
!
!
!
!
143521411
B-BX1L(06)13541-VT.-F1.-SW293M50
!
!
XX
0.5W
LFT
– 51 –
KV-SW293M50
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
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