Sony KV-25FS12B Service Manual ▷ View online
— 29 —
KV-25FS12B
1
|
2 |
3
|
4
|
A
—
B
—
C
—
D
—
E
—
F
[RGB DRIVE, CRT DRIVE]
CB
3
2
CB BOARD WAVEFORMS
1
132.8V p-p (H)
135.9V p-p (H)
140.6V p-p (H)
C702
R707
IC701
R702
R705
C700
R704
R706
R719
R717
R718
R715
D704
R716
RV701
R708
D702
R712
D701
R710
R709
R711
D703
R713
CN705
R700
CN701
CN706
CN704
CN703
R721
Q701
GAP
S P A R K
G R O U N D
GROUND
GAP
G R O U N D
G R O U N D
1
9
1
6
1
2
4
5
E
B
1
3
E
B
ROU T
BOU T
" R G B & T I L T A M P . "
1
GN D
G OUT
BOU T
R OUT
T P70 2
T P70 1
1-677-297-41
1 7 1 8 1 8 9 4 1
— 30 —
KV-25FS12B
1
|
2 |
3
|
A
—
B
HZ BOARD SCHEMATIC DIAGRAM
1
2
1
2
S901
CN901
CN902
4P
AC POWER SW
2P
WHT
:AC
2P
WHT
:AC
AC
AC
AC
AC
AC IN
220V/50Hz
TO A BOARD
CN602
(AC POWER SW)
BA5-918-HZ
HZ
[AC POWER SW]
1
|
2 |
3
A
—
B
—
CN901
CN902
EY901
EY902
EY903
EY904
SW901
1-656-403-11
171025611
A-1372-117-A
— 31 —
KV-25FS12B
K BOARD IC VOLTAGE LIST
11
N/C
23
N/C
35
N/C
PIN
VOLT
12
4.5
24
1.3
36
N/C
1
4.5
13
4.5
25
1.3
37
N/C
2
4.5
14
1.0
26
4.4
38
4.5
3
4.5
15
4.5
27
3.9
39
4.5
4
N/C
16
0.9
28
4.5
40
4.5
5
4.5
17
0.9
29
4.5
6
N/C
18
4.8
30
N/C
7
4.7
19
4.9
31
4.5
8
4.5
20
GND
32
4.5
9
4.5
21
8.9
33
4.5
10
4.5
22
N/C
34
4.5
All voltages are in V.
IC404
1
|
2 |
A
—
B
—
C
K
[AUDIO PROCESSOR]
C415
C
2
0
1
C202
C
4
1
4
C
4
2
7
C
4
2
8
C426
C
4
5
8
C450
C451
C422
C423
C416
C417
JW402
J
W
4
0
5
J
W
4
0
6
CN450
C
N
4
5
1
JW407
C446
J
W
4
2
3
C413
C460
C447
C
4
4
8
CN402
C441
J
W
4
0
8
JW400
JW417
1
AUDIO PROCESSOR
S.R.S
1
3
A
-
1
3
8
0
-
6
2
8
-
A
C
L
K
D
A
T
G
N
D
PIPL
PIPR
2
1 7 1 8 4 6 4 2 1
1-678-026-21
K BOARD SCHEMATIC DIAGRAM
1
|
2 |
3
|
4
|
5
|
6
|
7
A
—
B
—
C
—
D
—
E
—
F
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 31
32 33
34 35
36 37
38 39
40
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
1
2
3
JW407
JW408
JW405
R455
R456
L410
C475
C446
C440
C490
R439
R430
R436
R434
R438
R437
R432
R431
C411
C406
C404
C441
CN450
CN402
C407
R404
C417
C416
C408
C405
C412
C415
C414
C413
C422
C423
R435
C419
C418
C410
C409
JR474
R433
C447
C458
IC404
R468
R469
R470
R403
Q433
Q432
Q430
Q431
JR408
C448
R409
R442
R405
R410
5MM
100
100
0.1
100
16V
16V
10.0MM
0.1
25V
F
0
4.7k
:CHIP
4.7k
:CHIP
4.7k
4.7k
220
220
10k
10k
0.0033
B:CHIP
B:CHIP
0.0015
B:CHIP
0.0033
B:CHIP
100
20P
3P
0.22
25V
:CHIP
100
4.7
4.7
0.22
25V
:CHIP
0.033
:CHIP
:CHIP
0.1
25V
:CHIP
4.7
4.7
4.7
4.7
4.7
220
1 16V
:CHIP
0.1
25V
25V
:CHIP
0.033
:CHIP
0.0015
B:CHIP
0 SHORT
0
JW(5mm)
JW(5mm)
NJW1130AG-TE2
AUDIO PROCESSOR
0
0
100
1/10W
0
2SB709A
BUFFER
2SB709A
BUFFER
2SD601AX
MUTE
2SD601A
MUTE
JW(5mm)
100
220
100
100
IN1A
IN2A
IN3A
IN4A
IN5A
IN6A
BBEA
BBEA
TONE
B
TONE
B
MONA
MONB
LINE
B
OUT
B
PS
AGC
AGC
VREF
DAC
DAC
DAC
DAC
SDA
AUX0
SCL
AUX1
GND
VCC
IN1
IN2
IN3
IN4
IN5
IN6
BBEB
BBEB
M
O
N
-
L
M
O
N
-
R
V
A
R
/
F
I
X
-
R
O
U
T
-
L
O
U
T
-
R
9
V
G
N
D
Y
U
V
-
L
Y
U
V
-
R
V
3
-
L
V
3
-
R
V
1
-
L
V
1
-
R
T
V
-
L
T
V
-
R
V
2
-
R
V
2
-
L
V
A
R
/
F
I
X
-
L
N
.
C
.
M
U
T
E
TO A BOARD
CN460
TO MB BOARD
OUT A
LINE A
TONE A
TONE A
(AUDIO PROCESSOR)
CN1000
S
D
A
G
N
D
S
C
L
BA5-918-K
9V
9V
9V
AUDIO-R
AUDIO-L
AUDIO-L
AUDIO-R
A
U
D
I
O
-
L
A
U
D
I
O
-
L
AUDIO-R
A
U
D
I
O
-
R
AUDIO-R
5.2V
4.5V
4.5V
5.1V
0.3V
0V
0.3V
0V
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