Sony KV-XF25M50 (serv.man2) Service Manual ▷ View online
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○
– 60 –
– 58 –
– 59 –
A
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
– A Board –
N OT E :
The circuit indicated at left contains high voltage of over
600 Vp-p. Please pay attention when inspecting or repair-
ing it to prevent an electric shock.
The circuit indicated at left contains high voltage of over
600 Vp-p. Please pay attention when inspecting or repair-
ing it to prevent an electric shock.
PRINTED WIRING BOARDS
A BOARD
D004
D-8
D005
B-8
D006
A-3
D100
B-5
D203
C-11
D300
A-9
D301
B-9
D302
B-6
D303
B-5
D304
B-5
D305
B-5
D306
C-5
D307
C-5
D308
C-5
D309
B-6
D310
A-6
D311
C-6
D312
C-6
D313
A-8
D315
B-7
D316
C-7
D317
B-9
D314
A-9
D319
C-6
D320
C-6
D321
B-6
D401
D-2
D402
D-3
D403
B-2
D404
C-2
D405
C-1
D406
B-1
D407
C-2
D408
C-1
D409
A-1
D504
D-5
D505
H-6
D506
F-6
D507
F-6
D508
I-6
D509
F-6
D510
F-5
D511
F-5
D512
G-5
D513
I-5
D517
F-2
D518
F-2
D519
F-2
D520
E-5
D521
I-4
D522
J-4
D523
H-4
D525
F-5
D527
F-3
D528
F-3
D529
F-5
D530
F-2
D531
E-6
D532
E-6
D533
D-2
D534
E-6
D600
G-13
D601
I-8
D602
G-13
D603
F-11
D604
J-7
D605
G-10
D606
E-11
D607
F-10
D608
F-11
D609
H-8
D611
I-7
D612
F-8
D613
I-7
D615
E-7
D616
E-9
D617
F-8
D618
F-9
D620
D-8
D621
F-9
D622
F-8
D623
F-12
D624
E-12
D625
D-12
D627
F-8
D628
G-5
D629
F-9
D630
E-10
D631
G-12
D632
F-12
D633
E-12
D634
F-11
D635
E-12
D636
D-12
D637
F-11
D638
E-11
D901
C-13
D902
C-13
D903
C-13
D904
D-13
D905
F-13
D906
I-13
IC
IC001
B-10
IC002
C-10
IC003
A-9
IC100
B-5
IC201
B-11
IC203
B-3
IC204
B-2
IC301
B-6
IC503
J-5
IC601
J-8
IC602
H-6
IC603
D-8
IC604
D-10
IC901
I-13
Q001
C-8
Q002
B-8
Q003
C-9
Q004
B-9
Q101
A-4
Q201
A-11
Q202
A-11
Q203
C-11
Q204
C-12
Q205
A-12
Q206
A-11
Q207
A-12
Q301
A-8
Q302
B-6
Q303
A-6
Q304
A-6
Q305
B-6
Q306
B-5
Q307
C-7
Q308
C-7
Q309
C-7
Q310
D-8
Q311
D-9
Q312
B-7
Q313
B-8
Q315
B-5
Q401
D-2
Q402
D-1
Q403
D-2
Q404
C-3
Q501
D-6
Q502
E-7
Q503
F-6
Q505
D-6
Q506
E-2
Q507
H-6
Q509
F-6
Q511
F-1
Q600
D-12
Q601
F-11
Q602
J-7
Q604
H-6
Q605
E-12
Q606
F-11
Q607
H-13
Q608
E-12
Q901
H-13
DIODE
D001
B-8
D002
C-8
D003
C-9
TRANSISTOR
[COMB FILTER]
B
2
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
(3) Schematic Diagram of B
2
Board
[POWER SUPPLY, HV, MICON, Y/C JUNGLE]
A
1
2
3
4
5
6
7
8
9
10
11
1
2
4
5
6
7
3
CN2302
YCM2301
11P
:BTOB
Y OUT
NC
GND
C OUT
NC
VIDEO IN
VCC
NC
NC
NC
NC
G
N
D
V
ID
E
O
V
C
C
C
G
N
D
Y
V
C
C
TO A BOARD
CN304
COMB FILTER
(
(
B-SSSBG3S-...-B2.25
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
B
C
D
E
F
G
H
I
J
K
L
M
N
O
– 62 –
– 63 –
– 61 –
– 64 –
(4) Schematic Diagrams of H
3
and VM
1
Boards
– VM
1
Board –
PRINTED WIRING BOARDS
VM
1
[VELOCITY MODULATION]
H
3
[FUNCTION KEY]
V
L
R
1
1
2
3
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
1
2
3
4
G
R
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
3
1
2
1
2
3
4
1
2
3
4
R3916
C3911
R3915
R3914
R3913
R3911
R3917
R3919
R3918
R3902
R3900
R3901
R3909
R3910
R3912
R3907
S3907
S3908
S3902
S3903
S3904
S3905
S3906
R3908
C3900
C3902
C3913
Q3901
Q3902
D3906
R3921
R3920
R3904
R3905
R3924
J3902
JW3900
C3901
C3903
R3922
J3903
F3601
R3923
S3601
D3900
D
3
9
0
2
D3901
D3907
D3905
D3908
L3902
CN3901
CN3902
CN3904
CN3905
CN3603
CN3601
J3901
L3901
C3910
C3904
CN3602
C3905
C3906
C3914
C3912
CN3903
CN3906
C3907
L3903
C654
J
W
3
6
0
2
J
W
3
6
0
1
IC3901
47
47
16V
10k
330
10k
330
75
220
220
75
330
330
1k
1.8k
3.3k
5.6k
470
0.01
:MPS
:MPS
1
DTC144ESA
DTC144ESA
SPB-26MVWF
100
100
0.01
:MPS
:MPS
10k
10k
75
#
#
#
2.2k
3P
#
220
AC-PUSH-SW
NNCD9.1A-T1
N
N
C
D
9
.1
A
-T
1
NNCD9.1A-T1
NNCD9.1A-T1
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
:EL0606
4P
BLK
:S-MICRO
6P
WHT :S-MICRO
9P
RED :S-MICRO
9P
WHT :S-MICRO
1P
:TAB
4P
:VH
JACK
:EL0606
47
16V
47
25V
4P
:VH
4.7
4.7
470p
B
#
#
#
#
#
#
#
SBX1981-51(21)
*
A
C
O
U
T
N
C
N
C
N
C
A
C
O
U
T
A
C
IN
N
C
N
C
A
C
IN
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
IN
W
IN
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
IR
C
S
E
S
P
R
IN
S
P
L
IN
R
IN
L
IN
W
G
N
D
W
G
N
D
W
G
N
D
W
G
N
D
3
D
O
U
T
P
H
L
IN
P
H
R
IN
C
IN
S
IN
C
V
IN
Y
IN
S
Y
C
TO SP
CN6204
CN6202
CN3451
CN1400
CN904
CN104
CN601
CN4602
TO F BOARD
TO A BOARD
TO A BOARD
TO A BOARD
TO B3 BOARD
TO J2 BOARD
TO B3 BOARD
TO B3 BOARD
A
U
D
IO
(L
)
Y
Y
A
U
D
IO
(R
)
A
U
D
IO
(R
)
A
U
D
IO
(L
)
S
S
C
S
FUNCTION KEY
(
(
+5V
+5V
4.9
4.9
0
0
0
1.0
1.4
0.1
0
B-SSSBG3S-...-H3.25
– H
3
Board –
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
1
2
3
C5903
C5907
C5908
C5910
C5912
C5913
C5914
C5916
C5917
CN5901
D5901
D5903
D5905
R5902
R5904
R5908
R5910
R5913
R5915
R5919
R5921
R5923
R5924
R5929
C5901
C5904
C5915
R5928
L5901
R5909
R5916
CN5904
C5911
JW5901
CN2801
C5918
R5911
R5903
R5920
R5925
R5914
R5912
R5917
R5907
C5905
Q5904
D5907
D5906
R5922
C5909
R5918
Q5901
Q5903
Q5905
C5906
R5906
R5905
C5902
Q5907
C5900
C5920
C5921
C5919
L5902
Q5902
D5902
D5904
Q5906
Q5908
R5934
R5927
R5901
R5935
R5931
R5932
JW5900
R5933
Q5909
R5930
10k
0.0047
500V
E
33
160V
0.047
200V
:PT
0.001
:PT
0.1
200V
:PT
0.001
:PT
100
16V
16V
0.047
:PT
470
10V
10V
7P
BLK
:S-MICRO
1SS119
TEMP-CORR
1SS119
1SS119
560
:FPRD
330
1.5
:FPRD
68
1k
:FPRD
180
3W
:RS
1.5
:FPRD
JW(5)
10
2W
2W
:RS
220
#
#
#
#
1.5k
#
8P
:BTOB
2.2
160V
10MM
#
120
500V
68k
:FPRD
39
1/2W
:FPRD
68k
39
:FPRD
68
47k
820
1.0k
470
10V
10V
2SA1175
BUFFER
120
120
560
100
16V
16V
10k
2SC2458-YGR
AMP
2SC2458-YGR
2SC2458-YGR
0.047
:PT
1k
1k
330
16V
16V
2SC2785TP
#
10
#
#
2SA1606-E
VM.DRIVE.1
RD39ES-B2
DC.BIAS
RD39ES-B2
DC.BIAS
2SC4159-E
VM.DRIVE.2
2SC2785-HFE
BUFFER
12k
1/2W
:RN
#
220
1/2W
:RN
10k
1/2W
:RN
470
1/2W
:RN
470
1/2W
:RN
#
470
1/2W
:RN
2SC2785-HFE
470
1/2W
:RN
Q.P.-
Q.P.+
E
VM
QP
QP
VM
+B
9V
E
VM
M
U
T
E
GND
GND
VM
TO A BOARD
CN306
N
C
QP-
QP-
QP+
QP+
E
E
VM
VM
QP-
NC
QP+
VELOCITY MODULATION
(
(
B-SSSBG3S...VM1-25.
8.8
5.0
5.5
9V
0
0
.4
0
8.8
0.1
0.2
0
8.8
0.3
0.2
134.7
134.7
5.0
8.6
4.9
4.5
4.5
2.7
0.3
59.7
59.3
9V
9V
9V
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