Sony KV-XV293M50 Service Manual ▷ View online
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
– 48 –
KV-XV293M50
RM-GA002
4-3-9. F1 Board Schematic Diagram
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
143118211
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
PT
XX
250V
4700p
B
C654
F4601
5A
250V
C4603
F1
(CISPR)
SPARK GAP
TO POWER CORD
TO A (Block 001)
CN100
TO H3 BOARD
CN3601
!
!
!
!
!
143521411
B-BX1L(06)13565-VT.-F1.-XV293M50
!
!
XX
0.5W
LFT
LFT
0V
!
KV-XV293M50
RM-GA002
KV-XV293M50
RM-GA002
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
B
C
D
E
F
G
H
I
J
K
4-3-10. H3 Board Schematic Diagram
– 49 –
– 50 –
VCC
GND
OUT
RPM7240-H5
IC3901
G
R
SPB-25MVWF
D3906
S3601
XX
F3601
470p
B
C3912
1SS133T-77
D3909
1
2
2P
CN3602
AC OUT
AC OUT
1
2
2P
CN3601
AC IN
AC IN
1
2
3
4
BLK
XX
CN3901
SP L OUT
SP GND
SP GND
SP R OUT
S3902
S3903
S3904 S3905
S3907
S3908
Q3901
Q3902
220
R3911
220
R3914
25V
47
C3910
47
R3916
25V
47
C3911
R3907
S3909
R3915
R3920
R3908
330
R3909
220
R3910
150
R3912
D3901
RD5.6ESB2
27K
R3918
1
C3904
220K
R3902
D3900
XX
XX
R3922
D3902
RD5.6ESB2
75
R3924
27K
R3919
D3907
RD5.6ESB2
1
C3913
220K
R3917
XX
R3904
XX
R3905
PT
XX
C3900
PT
XX
C3902
XX
C3901
XX
C3903
47
C3914
470p
B
C3915
XX
L3902
XX
L3901
J3901 XX
J3904
1
2
3
4
5
6
7
8
9
CN3902
XX
PH L IN
SP L IN
SP GND
SP GND
SP R IN
PH R IN
GND
3D IN
3D IN
1
2
3
4
5
6
WHT
XX
CN3903
PH L IN
SP L IN
SP GND
SP GND
SP R IN
PH R IN
1
2
3
4
5
WHT
5P
CN3908
R IN
GND
L IN
GND
CV IN
1
2
3
4
5
6
7
WHT
7P
CN3905
STBY 3.3V
GND
LED G
LED R
SIRCS
GND
KEY
1
2
3
4
5
6
7
8
9
CN3904
XX
R IN
GND
L IN
GND
CV IN
S IN
C IN
GND
Y IN
1
2
3
CN3906
3D OUT
W GND
W GND
FH001
FH002
3
4
1
2
J3902
XX
7.5MM
JW3602
7.5MM
JW3601
1
CN3604
XX
XX
C3916
5.0MM
JW3904
5.0MM
JW3905
RD5.6ESB2
D3908
RD5.6ESB2
D3910
RD5.6ESB2
D3911
L
R
V
J3903
PIN 3P
JACK
PIN 3P
JACK
XX
R3925
5.0MM
JW3914
R3926
TO SPEAKER
TO A(001) BOARD
CN202
TO J BOARD
TO A(001) BOARD
CN9201
TO A(001) BOARD
CN014
TO F1 BOARD
CN4602
TO A(003) BOARD
CN6101
SOUND
MODE
MENU
VIDEO
VOL -
VOL +
CH -
CH +
AUDIO(L)
AUDIO(R)
Y
S
C
H3
(FRONT PANEL)
BX1L-13565-VT-H3.-XV293M50
CN3400
XX
470
680
1K
1.5K
XX
9P
TO B BOARD
CN207
D3912
1SS133T
-77
D3913
1SS133T
-77
KRC110M
1
2
3
GND
GND
NC
CN3909
XX
KRC110M
178664912
LED DRIVE
PROTECTOR
XX
25V
WAKE UP INDICATOR
LED DRIVE
LED DRIVE
XX
XX
C3917
470P
C3919
XX
C3920
XX
C3918
470P
JW3603
20.0MM
JW3605
25.0MM
SP L IN
SP GND
SP GND
SP R IN
1
2
3
4
XX
C3921
XX
C3922
XX
R3928
XX
R3972
XX
CN3900
– 51 –
KV-XV293M50
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
– 52 –
KV-XV293M50
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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