Sony KV-25FS12B Service Manual ▷ View online
— 26 —
KV-25FS12B
6
8
4
7
3
2
5
9
1
A BOARD WAVEFORMS
3.4 Vp-p (H)
190.5 Vp-p (H)
25.9 Vp-p (H)
1.08 KVp-p (H)
27.9 Vp-p (V)
54.3 Vp-p (V)
29.0 Vp-p (V)
2.4 Vp-p (V)
201.2 Vp-p (H)
A BOARD IC VOLTAGE LIST
IC402
13
5.2
8
14.0
3
53.2
IC604
TU101
14
N/C
PIN
VOLT
14
6.8
IC502
4
-23.8
PIN
VOLT
PIN
VOLT
15
N/C
1
6.8
15
14.1
PIN
VOLT
5
-32.7
1
13.3
1
8.6
16
4.5
2
GND
16
GND
1
2.1
IC602
2
5.0
2
30.7
17
4.7
3
14.1
17
6.8
2
13.0
PIN
VOLT
3
GND
3
5.1
18
4.4
4
6.8
IC501
3
-12.6
1
135.9
IC2001
4
4.9
19
5.0
5
4.3
PIN
VOLT
4
-13.0
2
123.4
PIN
VOLT
5
4.9
20
5.0
6
N/C
1
0.2
5
0.2
3
GND
1
5.0
6
GND
21
0.3
7
4.1
2
3.7
6
14.3
IC603
2
5.0
7
5.5
22
0.0
8
4.1
3
2.5
7
2.1
PIN
VOLT
3
GND
8
N/C
23
N/C
9
6.8
4
GND
IC601
I
13.3
All voltages are in V.
9
8.9
24
0.0
10
4.1
5
9.5
PIN
VOLT
0
8.9
10
4.1
25
N/C
11
4.1
6
10.1
1
-31.8
G
GND
11
GND
26
4.5
12
4.1
7
0.1
2
-32.7
4
13.3
12
N/C
27
4.5
13
N/C
All voltages are in V.
KV-25FS12B
— 27 —
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
[POWER SUPPLY, DEFLECTION, TUNER/IF, AUDIO, MTS]
A
D611
C-6
D201
C-11
D612
D-2
D202
C-11
D613
C-6
D203
C-11
D614
C-6
D204
B-10
D615
F-5
D205
A-11
D616
F-6
D206
A-11
D617
H-2
D208
A-11
D618
H-2
D209
C-11
D619
D-2
D210
B-11
D620
D-7
D211
C-11
D622
F-3
D212
B-1
D623
G-2
D213
B-1
D624
G-5
D214
D-11
D625
H-2
D215
C-11
D626
G-1
D230
D-11
D627
H-2
D231
D-11
D628
G-2
D232
E-11
D2001
E-2
D233
E-11
D2002
F-1
D401
D-8
D2003
B-1
D501
H-8
D2004
A-2
D502
G-9
D2005
A-2
D503
G-9
D504
H-8
IC402
B-9
D505
G-7
IC501
D-9
D506
F-8
IC502
F-10
D507
E-8
IC601
B-5
D508
D-9
IC602
C-7
D509
H-5
IC603
D-7
D510
E-10
IC604
C-8
D511
G-10
IC2001
E-1
D512
E-9
D513
F-10
Q101
A-9
D514
F-11
Q410
B-7
D515
E-9
Q411
D-8
D516
G-11
Q501
H-7
D517
F-11
Q502
H-7
D518
F-11
Q503
D-9
D519
D-10
Q504
E-9
D520
F-12
Q505
G-12
D521
I-5
Q506
A-6
D522
E-9
Q507
A-6
D601
D-2
Q601
B-3
D602
E-2
Q602
A-3
D603
B-3
Q603
C-6
D604
B-3
Q604
A-5
D605
D-4
Q605
G-3
D606
C-3
Q606
H-3
D607
B-4
Q607
D-2
D608
B-3
Q608
D-2
D609
C-4
Q609
A-4
D610
B-4
TRANSISTOR
A BOARD LOCATOR LIST
DIODE
IC
R438
R522
R541
R450
R445
C625
L601
C402
R451
R446
R439
C454
C628
R566
C611
S2005
S2001
S2002
R609
T604
R614
VDR601
T602
R617
TH601
C640
S2006
R2005
C633
C605
R2003
S2007
S2008
R2007
R653
R655
C608
RY602
R236
R235
R239
R238
R237
C216
C210
R651
R663
R661
R508
R634
R635
R442
R443
R444
R114
R115
R106
R204
R102
L101
L103
R105
R213
C205
L102
R215
C448
R436
R454
C213
R241
R240
R527
R525
R514
R567
R225
R529
C530
C546
R563
R218
R227
C542
C541
C518
R231
R232
R557
C552
R543
C532
R537
R540
C543
C519
R535
L507
R546
R534
R545
C551
L510
R533
R524
R515
R516
C503
C536
C504
C513
R507
T503
T502
C527
R659
C629
L602
R447
D507
C659
R402
FB610
R643
C644
C646
R644
C652
FB603
R647
RY601
THP601
R623
C631
D603
C613
R618
C614
C630
R627
FB601
C617
FB609
R632
C524
R539
R518
FB502
R505
R506
L501
C606
T601
CN602
F601
Q605
Q606
Q607
CN604
CN601
CN603
CN2001
CN503
CN402
Q602
Q609
Q604
Q603
C627
Q410
Q507
CN2006
Q101
CN2007
CN2002
CN2008
CN2005
CN2009
CN407
IC405
IC406
IC502
CN502
Q411
CN511
CN506
CN515
Q501
IC601
C403
JR2003
JR503
JR2001
R657
C603
C607
Q505
C102
C602
C619
C654
C699
IC501
L502
R532
CN2004
JR002
D233
D232
D520
R561
D234
D235
D2
09
R206
CN406
C615
R565
R558
R559
TH501
R633
R511
R503
C554
C525
C511
R2015
S2003
D2002
S2004
D2001
D400
CN408
D212
D2005
D604
D606
D609
FB602
C661
JR603
JR604
D616
D521
R502
R547
R504
C505
D506
CN501
R568
D511
D514
D517
D518
R226
D236
R2051
D208
D205
D206
IC401
IC604
PH601
D510
R404
R407
D627
D624
C211
IC402
R490
D620
C649
D611
R641
D210
R403
Q401
Q201
Q503
D631
Q206
Q205
Q502
R553
C555
C515
C509
C624
IC602
R2020
R804
R803
R802
R801
R800
R531
R573
R423
C550
C496
R495
D516
R554
R555
T505
CN504
JR501
L505
T504
L509
R660
D605
R601
C547
C444
JR410
JR409
J201
R210
1
2
6
7
B
E
1
7
B
E
1
9
10
18
6.3A
1
11
1
6
1
4
1
5
1
5
1
3
1
10
1
10
1
9
1
9
1
5
G
1
9
1
3
1
1
4
B
E
RI SK OF FI RE
S
B
E
25
27
23
17
1
6
E
1 35V
B
E
5
4
B
E
+
-
1
2
1
4
5
8
1
1
4
5
8
I
O
C
B
2
6
4
AC I N
A C I N
RGO
RBK
LBK
LGO
LGO
GN D
1
TO MA /MB B OAR D
L ED- TI MER
PO WE R-S W
ME NU
IR
KE Y
V 2
C2
G ND
S TBY -5 V
Y 2
G ND
11
G ND
L 2
L ED -MA IN
L ED -MA IN
RB K
RG O
L BK
L GO
H DY +
H D Y -
V DY +
V DY -
H DY +
H D Y -
1
2
3
4
5
6
B
C
13
1 5
2 1
7
G ND
6
1
2
3
20
1 8
1
6
D 213
4
G ND
H- OUT
D ET- OUT 1
7.5 V STB Y
9V SE T
S CL
SD AT
5 V SET
30V
AG C
H. PRO T
HE ATE R
-1 3V
200 V
H.P UL SE
H. DRI VE
+B
AS MA RKE D
R EP LAC E F US E
5
JU MP ER- ID
T6.3AL
8
F BT
1
6
31
11
15
21
1 - 6 7 7 - 2 9 5 - 4 1
— 28 —
KV-25FS12B
1
|
2 |
3
|
4
|
5
|
6
|
7
|
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
CB BOARD SCHEMATIC DIAGRAM
H
KG
G2
CV
KR G1
G4 HV
KB
1
2
3
4
5
6
7
8
9
1
1
2
3
4
5
1
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
1
3
5
6
7
8
9
10
11
12
13
G2
G1-1
H1
H2
G1-2
KB
KG
KR
G1-3
G4
C V
1
2
3
L701
C705
R708
R709
R711
R712
R713
D701
D702
D703
R714
D704
R715
R716
C707
C710
C709
C708
R705
C701
R707
C702
C703
R702
R701
R700
R720
R721
R719
R704
R703
CN704
R706
J701
R717
R718
IC701
Q700
CN705
CN706
CN702
CN701
IC702
Q701
R710
RV701
C704
C706
10
250V
100
100
1k
1/2W
1k
1/2W
1k
1/2W
1SS83TD
1SS83TD
1SS83TD
100
1/2W
RGP10GPK23
560k
1/2W
100k
1/2W
1/2W
0.0047
2kV
E
10
220
16V
16V
0.1
:MPS
10k
:CHIP
47
25V
1.5
:FPRD
0.1
:MPS
47
25V
220
10k
22k
2.2k
2.2k
220
2W
2.2k
100
1
2.2
2W
3.3
2W
LA6500-FA
N/S AMP
2SC3311A
NS MUTE
9P
6P
:PIN-J
3P
TDA6108JF/N1B
RGB DRIVE
2SC3311A
NS MUTE
100
V STAT CONTROL
110M
4.7
250V
0.1
250V
G2
TO A BOARD
B
I
N
G
I
N
R
I
N
G
N
D
I
K
R
O
U
T
V
D
D
E
IK
R
G
B
H-TRAP
N/S MUTE
200V
N.C.
GND
HEATER
N/S COIL-
N.C.
N/S COIL+
GND
N/S
CRT
27V: TIGER
N/S COIL
G
O
U
T
B
O
U
T
-13V
+13V
200V
-13V
-13V
13V
13V
TP47R
TP47B
TP47B
R OUT
B OUT
B OUT
CN1303
TO MB BOARD
CN502
TO A BOARD
FOCUS
T505
G
B
R
R
G
B
(CRT DRIVE)
(RGB DRIVE)
GND
BA5-918-CB
1
2
3
200V
0.0V
0.3V
1.7V
0.0V
2.2V
134.5V
144.4V
138.5V
2
.
0
V
3
.
6
V
2
.
2
V
0.3V
-0.6V
0.3V
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