Sony KV-AR25M50A Service Manual ▷ View online
A
1
2
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9
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B
C
D
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KV-AR25M50A
RM-952
KV-AR25M50A
RM-952
(4) H1 Board Schematic Diagram
– 35 –
– 34 –
V
L
R
1
2
3
1
2
3
4
5
6
1
3
1
2
3
4
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
C3901
C3903
D3902 #
R3924
C3904
C3905
C3906
C3910
C3911
C3913
C3914
CN3901
CN3902
CN3904
CN3905
L3901
L3902
Q3901
Q3902
R3900
R3901
R3902
R3904
R3905
R3907
R3908
R3909
R3910
R3911
R3912
R3913
R3914
R3915
R3916
R3917
R3918
R3919
R3920
R3921
R3922
R3923
S3902
SWITCH
SWITCH
S3903
SWITCH
SWITCH
S3904
SWITCH
SWITCH
S3905
SWITCH
SWITCH
S3906
SWITCH
SWITCH
S3907
SWITCH
SWITCH
S3908
SWITCH
SWITCH
L3903
CN3907
CN3903
CN3906
#
C3907
D3900
D3901
D3905
D3907
D3908
J3901
J3902
#
#
J3903
C3900
C3902
#
#
#
#
4.7
4.7
47
35V
47
35V
#
JW(5mm)
4P BLK :S-MICRO
6P WHT :S-MICRO
9P RED:S-MICRO
9P WHT:S-MICRO
:EL0606
:EL0606
DTC144ESA
LED DRIVE
LED DRIVE
DTC144ESA
LED DRIVE
LED DRIVE
330
330
#
10k
10k
5.6k
470
1k
1.8k
330
3.3k
10k
330
10k
47
#
#
#
100
100
#
JW(5MM)
6P BLK :S-MICRO
0.01
:PETP
0.01
:PETP
3P
#
PROTECTOR
PROTECTOR
#
PROTECTOR
PROTECTOR
NNCD9.1A-T1
PROTECT
#
PROTECTOR
PROTECTOR
NNCD9.1A-T1
PROTECT
#
#
#
S
P
R
O
U
T
S
P
G
N
D
S
P
G
N
D
S
P
L
O
U
T
S
P
G
N
D
S
P
G
N
D
W
I
N
W
I
N
G
N
D
G
N
D
G
N
D
S
T
B
Y
+
5
V
G
N
D
7
V
L
E
D
2
L
E
D
1
G
N
D
K
E
Y
2
K
E
Y
1
S
I
R
C
S
S
P
R
I
N
S
P
L
I
N
R
I
N
L
I
N
W
G
N
D
W
G
N
D
W
G
N
D
W
G
N
D
3
D
O
U
T
P
H
L
I
N
P
H
R
I
N
C
I
N
S
I
N
C
V
I
N
Y
I
N
S
Y
C
CN901
CN904 / CN7403
CN904
L
E
D
G
L
E
D
R
G
N
D
G
N
D
S
I
R
C
S
I
N
5
V
S
E
N
B-SSSBG3R-...-H1.
TO H2 BOARD
CN3603
2
4
TO A BOARD
TO SPEAKER
TO A BOARD / B9 BOARD
TO A BOARD
(FRONT AV IN,KEY SW)
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
KV-AR25M50A
RM-952
KV-AR25M50A
RM-952
– 37 –
– 36 –
(5) VM1 and H2 Boards Schematic Diagrams
1
2
3
4
5
6
G
R
1
2
3
4
1
2
3
4
VCC
OUT
GND
CN3601
D3906
S3601
CN3602
IC3901
C3912
CN3603
4P
:VH
SPB-25MVWF
WAKE INDICATOR
WAKE INDICATOR
4P
:VH
470p
B
6P
BLK :S-MICRO
AC-PUSH-SW
.
1
.
RPM7140-H5
SIRCS RECEIVER
SIRCS RECEIVER
A
C
O
U
T
N
C
N
C
A
C
I
N
N
C
N
C
A
C
I
N
CN7602
TO B9 BOARD
L
E
D
G
L
E
D
R
G
N
D
G
N
D
S
I
R
C
S
I
N
5
V
S
E
N
A
C
O
U
T
(RECEIVER,POWER SW,LED)
B-SSSBG3R-...-H2.
TO H1 BOARD
CN3
9
0
7
CN2801
#
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
1
2
3
R5904
R5913
R5922
C5901
C5904
C5915
R5928
R5917
C5902
C5907
C5911
C5908
C5912
C5905
C5917
C5909
C5914
C5910
C5913
C5906
C5916
C5903
R5929
R5910
R5914
D5906
D5907
R5909
R5905
R5906
R5907
R5916
R5915
R5918
R5912
R5911
R5920
R5908
R5923
R5902
R5919
L5901
JW5901
R5924
CN5901
Q5901
Q5902
Q5906
D5901
C5918
R5903
R5921
R5925
C5900
R5927
R5934
R5901
C5920
D5908
R5935
Q5907
R5933
Q5909
R5932
R5931
Q5908
C5921
L5902
C5919
R5930
D5902
D5904
Q5903
Q5904
Q5905
D5905
D5903
JW5900 #
CN5904
330
560
820
#
#
#
#
#
33
160V
2.2
200V
0.047
200V
:PT
0.1
200V
:PT
470
10V
470
16V
16V
100
16V
16V
0.001
:PT
0.001
:PT
0.047
:PT
0.047
:PT
0.0047
500V
E
10
2W
2W
:RS
68
68
220
1k
1k
1k
1.5k
10k
10k
47k
68k
68k
1.5
:FPRD
1.5
:FPRD
560
:FPRD
1k
:FPRD
5MM
7P
:S-MICRO
1SS119-25
TEMP-CORR
330
16V
100
16V
120
120
10MM
2SC2458-YGR
AMP
2SA1606-E
VM.DRIVE.1
2SC4159-E
VM.DRIVE.2
120p
500V
500V
B
39
1/2W
:FPRD
180
3W
:RS
39
:FPRD
#
#
12K
220
10
#
10K
#
470
2SC2785-HFE
#
470
2SC2785-HFE
68P
:CH:CHIP
:CH:CHIP
#
470
RD39ES-B
DC.BIAS
RD39ES-B
DC.BIAS
2SC2458-YGR
AMP
2SA1175-HFE
BUFFER
2SC2458-YGR
BUFFER
1SS119-25
1SS119-25
8P
:BTOB
Q.P.-
Q.P.+
E
VM
QP
QP
VM
+B
9V
E
VM MUTE
GND
GND
VM
CN306
N
C
QP-
QP-
QP+
QP+
E
E
VM
VM
QP-
NC
QP+
9V
B-SSSBG3R-...-VM1
TO A BOARD
(VELOCITY MODULATION)
NECK ASSY
– 38 –
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
KV-AR25M50A
RM-952
(6) J Board Schematic Diagram
1
2
3
1
2
3
4
5
6
7
8
R2419
R2411
R2420
R2412
C2413
C2411
C2412
C2414
J2410
R2421
C2410
D2410
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
D2411
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
D2415
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
R2414
R2417
R2418
R2415
CN2410
D2412
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
C2418
C2419
R2410
CN3451 #
D3453
J3451
D3454
220
75
220
75
330p
B
47
47
330p
B
5P
220
47
220k
220k
75K
75K
8P
WHT
:S-MICRO
1
1
75
2
1
#
#
#
GN D
GN D
DV D Y
DV D B Y
DV D RY
GN D
DV D L
DV D R
Y
B- Y
R- Y
L
R
3D+IN
GND
GND/3D-
3 D SP + (R ED )
3 D S P - (B L K )
D2414
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
(DVD TERMINAL)
B-SSSBG3R-...-J
TO B9 BOARD
CN7501
– 39 –
KV-AR25M50A
RM-952
Ref
Pin No.
Voltage[v]
IC001
1
0
2
5.0
3
0.4
4
0.4
5
5.0
6
5.0
7
4.0
8
(5)[4.8]
9
0.3
5.2Vp-p
1
10
5.0
4.88Vp-p
2
11
5.0
12
0
13
2.1
14
2.1
4.16Vp-p
NTSC3.58
3
3.92Vp-p
PAL
3
15
5.0
16
5.0
17
0
18
4.5
19
(2.1)[2.4]
20
3.0
21
5.0
22
0
23
5.0
24
0.4
25
5.0
26
5.0
27
5.0
28
5.0
29
0
30
0
31
0
32
0
33
5.0
34
0
35
0
36
2.3
37
2.5
38
5.0
39
5.0
40
0
41
0.4
42
0.4
43
0
44
5.0
45
5.0
46
4.4
47
5.0
48
4.4
49
0
50
2.1
51
0
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
52
0
IC002
1
0
2
5.0
3
5.0
4
7.2
5
5.0
6
0
7
0
IC003
1
0
2
0
3
0
4
0
5
5.0
6
5.0
7
0
8
5.0
IC100
1
4.9
2
4.8
3
0
IC301
1
3.3
2
5.0
3
(4)[3.1]
4
5.0
5
4.8
6
4.3
7
0
8
3.9
9
5.0
10
3.8
11
5.0
12
0
13
4.0
14
2.4
15
3.6
16
3.4
424mVp-p
NTSC3.58
4
640mVp-p
PAL
4
17
5.4
18
7.6
19
0.8
20
3.7
21
3.1
22
3.8
23
3.0
24
1.4
1.22Vp-p
NTSC3.58
5
1.52Vp-p
PAL
5
25
1.3
1.42Vp-p
6
A BOARD VOLTAGE LIST AND WAVEFORM
4-4. VOLTAGE LIST AND WAVEFORM
26
1.6
1.024Vp-p
NTSC3.58
7
544mVp-p
PAL
7
27
0
28
4.5
29
4.5
30
4.5
31
8.7
32
4.1
210mVp-p
8
33
4.1
5.1Vp-p
9
34
3.5
3.6Vp-p
NTSC3.58
10
3.04Vp-p
PAL
10
35
8.7
36
4.5
37
4.5
38
4.6
39
4.5
2.7Vp-p
11
40
5.1
3.68Vp-p
NTSC3.58
12
3.44Vp-p
PAL
12
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