Sony KV-29FS12A Service Manual ▷ View online
— 49 —
— 50 —
KV-29FS12A
[TUNING CONTROL, Y/C/J]
MA BOARD IC BLOCK DIAGRAM
MA BOARD: IC301 CXA2155S
B
C
D
1
2
3
4
A
5
7
6
8
Q303
C-5
D001
D-2
Q305
B-4
D002
D-4
Q310
B-3
D003
C-3
Q349
C-4
D004
D-3
Q350
B-3
D005
C-1
Q351
B-3
D006
C-2
Q352
B-3
D075
C-3
Q354
A-3
D301
C-7
Q355
B-2
D305
C-5
Q356
D-3
D360
B-4
Q358
B-4
Q359
B-4
IC001
C-2
Q365
C-4
IC002
C-1
Q368
C-6
IC003
C-2
Q369
B-3
IC301
D-7
Q370
A-3
IC302
B-1
Q375
B-5
Q387
C-5
Q001
D-8
Q388
B-5
Q002
D-5
Q389
C-5
Q003
D-5
Q004
D-2
X001
D-1
Q006
D-3
X301
C-8
Q082
B-3
X302
C-8
Q302
A-3
X303
C-8
IC
TRANSISTOR
CRYSTAL
DIODE
MA BOARD LOCATOR LIST
1
2
3
R4005
R4004
R4003
R4002
S4002
S4001
S4003
S4004
S4005
S4006
R4001
CN4001
6.8k
2.2k
820
680
100
:CHIP
3P
WHT-L
:S-MICRO
GND01
TV/V
POWER
CH+
CH-
VOL+
VOL-
POWER-SW
GND
KEY-SW
TO A BOARD
CN2003
(KEY)
BA5-892-HX
HX Board Schematic Diagram
[KEY]
1
2
A
3
4
5
H
KG
G2
CV
KR G1 G4 HV
KB
1
2
3
4
5
6
7
8
9
1
1
2
3
1
2
3
4
5
1
2
3
4
5
6
7
8
9
1
1
3
5
6
7
8
9
10
11
12
13
G2
G1-1
H1
H2
G1-2
KB
KG
KR
G1-3
G4
CV
1
2
3
4
5
6
C704
L701
C705
R708
R709
R711
R712
R713
D701
D702
D703
R714
D704
R715
R716
C707
C702
R707
C708
C701
C703
C709
C710
R702
R701
R705
R700
R720
R721
R719
R704
R703
R706
CN705
CN701
IC701
Q701
Q700
CN704
CN706
RV701
IC702
CN702
R710
R717
J701
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
0.0047
2kV
E
0.1
:MPS
1.5
:FPRD
0.1
:MPS
47
25V
47
25V
220
16V
16V
10
220
10k
10k
22k
2.2k
2.2k
220
2W
2.2k
100
4.7
250V
1
9P
3P
LA6500-FA
N/S AMP
2SC3311A
NS MUTE
2SC3311A
NS MUTE
6P
VSTAT CONTROL
110M
TDA6108JF/N1B
CRT DRIVE
:PIN-J
100
2.2
2W
G2
TO A BOARD
B
I
N
G
I
N
R
I
N
G
N
D
I
K
R
O
U
T
G
O
U
T
B
O
U
T
V
D
D
200V
N.C.
GND
HEATER
IK
R
G
B
N/S
N/S
MUTE
H-TRAP
GND
GND
(T505)
CRT
E
COIL+
COIL-
NC
N/S COIL
TO A BOARD
(T505)
FOCUS
-13V
+13V
TP47R
TP47B
TP47B
R OUT
B OUT
B OUT
TO MA BOARD
CN303
CN502
TO A BOARD
(RGB DRIVE)
(CRT DRIVE)
(CRT DRIVE)
BA5-892-CA
200V
200V
200V
-13V
-13V
13V
13V
1
2
3
R
G
B
G
B
R
0.3V
-0.6V
0.3V
2.2V
134.5V
1
3
8
.
5
V
144.4V
2
.
0
V
2
.
2
V
3.6V
0.3V
0.0V
1.7V
0.0V
— 51 —
— 52 —
KV-29FS12A
Boards &
Z
Boards
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)
BA5-892-HZ
HZ Board Schematic Diagram
2
CA Board Schematic Diagram
SW901
SW901
SW901
SW901
171695111
171695111
171695111
171695111
1-674-476-11
1-674-476-11
1-674-476-11
1-674-476-11
1
[AC POWER SWITCH]
A
B
Z
[RGB DRIVE, CRT DRIVE]
B
C
1
2
A
3
D
E
CA BOARD WAVEFORMS
1
132.8V p-p (H)
2
135.9V p-p (H)
3
140.6V p-p (H)
S
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
3
4
C901
C902
C903
R901
R902
R903
R904
D901
D902
R905
R906
C905
R907
R908
R909
C907
C908
C909
C910
R910
C911
R911
R912
R913
R914
D903
R915
R916
R917
R918
R919
R920
R921
R922
C912
C914
R923
D806
D805
L802
D804
L801
D807
C913
R876
R818
R826
C906
C904
CN902
CN901
L901
Q808
CN904
Q904
Q906
Q902
Q901
Q807
C805
C811
Q903
Q905
2.2
160V
0.047
:PT
470
10V
47
:FPRD
2.7
:FPRD
560
:FPRD
18k
MTZJ-T-77-39
MTZJ-T-77-39
1k
:FPRD
18k
0.047
200V
:PT
2.7
:FPRD
560
:FPRD
47
1/2W
:FPRD
33
160V
470
10V
10V
0.0047
500V
E
0.1
200V
:PT
180
3W
:RS
100
10V
68
220
68
270
1SS133
TEMP-CORR
1k
1k
1k
100
100
820
10k
22
:FPRD
470
25V
0.047
:PT
47
1SS133T-77
1SS133T-77
10mH
RGP10GPKG23
10mH
ERA82-004TP5
0.001
1k
100
2.2k
0.001
:PT
0.001
:PT
8P
5P
2SB734
9V DRIVE
4P
2SC3311
AMP
2SC3311
VM OUT
2SA1837
VM.DRIVE.1
2SC4793
VM.DRIVE.2
IRF614
QP-H-OUT
0.033
630V
0.047
200V
2SC3311
AMP
2SA1309A
VM OUT
GND01
VM OUT
E
+B
9V
Q.P.-
Q.P.+
E
VM
Q.P.-
Q.P.+
E
VM
NC
TO A BOARD
V MOD
V MOD
9V DRIVE
QP DRIVE
CN506
QP
QP
VM
VM
CN801
TO D BOARD
(VELOCITY MODULATION)
BA5-892-VA
9V
9V
+B
6.1V
5.7V
5.7V
5.4V
5.4V
2.4V
1.8V
1.8V
2.4V
67.9V
0.9V
0.4V
67.9V
135.4V
134.9V
6.8V
6.4V
0.6V
6.8V
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
1
2
JW405
L410
C475
C446
C440
R433
C490
R468
R436
R437
R438
R434
R404
R470
C404
R469
C406
R477
R478
C441
R432
R431
C423
C422
C413
C414
C415
C416
C417
C202
C458
C450
R445
R444
C451
R446
CN402
CN450
R435
Q433
Q432
Q431
Q430
C409
C411
C405
C407
C408
C410
C412
C418
C419
JR474
R403
R455
R456
R443
R4
0
8
R
40
9
R4
05
R4
42
R4
10
IC404
C
44
8
R4
07
JR408
JR407
C201
C447
5MM
0.1
100
16V
0.1
25V
F
0
0
0
4.7k
220
220
4.7k
100
100
0.0033
B:CHIP
B:CHIP
0
0.0015
B:CHIP
220k
220k
100
10k
10k
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
JW(5mm)
4.7
220k
220k
4.7
220k
3P
20P
220
2SB709A
BUFFER
2SB709A
BUFFER
2SD601A
MUTE
2SD601A
MUTE
0.0015
B:CHIP
0.0033
B:CHIP
B:CHIP
0.033
:CHIP
:CHIP
0.22
:CHIP
0.22
:CHIP
0.033
:CHIP
0.1
:CHIP
0.1
:CHIP
1
:CHIP
0
0
22k
22k
220k
10
0
10
0
10
0
2
20
1
00
NJW1130G-TE2
AUDIO PROCESSOR
J
R(
5.
0m
m)
1
00
:
CH
IP
0
0
4.7
JW(5mm)
I
N
1
A
I
N
2
A
I
N
3
A
I
N
4
A
I
N
5
A
I
N
6
A
B
B
E
A
B
B
E
A
T
O
N
E
A
T
O
N
E
B
T
O
N
E
A
T
O
N
E
B
M
O
N
A
M
O
N
B
L
I
N
E
A
L
I
N
E
B
O
U
T
O
U
T
B
B
P
S
S
A
G
C
A
G
C
V
R
E
F
D
A
C
D
A
C
D
A
C
D
A
C
S
D
A
A
U
X
0
S
C
L
A
U
X
1
G
N
D
V
C
C
I
N
1
I
N
2
I
N
3
I
N
4
I
N
5
I
N
6
B
B
E
B
B
B
E
B
A
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
S
D
A
G
N
D
S
C
L
N
.
C
.
M
U
T
E
(AUDIO PROCESSOR)
TO MB BOARD
CN309
TO A BOARD
CN460
BA5-892-K
9V
9V
AUDIO-R
A
U
D
I
O
-
R
A
U
D
I
O
-
R
A
U
D
I
O
-
R
AUDIO-R
AUDIO-L
AUDIO-L
AUDIO
-L
AUDIO
-L
KV-29FS12A
— 54 —
— 53 —
K Board Schematic Diagram
[VELOCITY MODULATION]
B
C
1
2
3
4
A
5
6
4.5
13
4.5
20
GND
27
3.9
34
4.5
pin
volt
7
4.7
14
1.0
21
8.9
28
4.5
35
4.5
1
4.5
8
4.5
15
4.5
22
NC
29
4.5
36
4.5
2
4.5
9
4.5
16
0.9
23
NC
30
N/C
37
4.5
3
4.5
10
4.5
17
0.9
24
1.3
31
4.5
38
4.5
4
4.5
11
N/C
18
4.8
25
1.3
32
4.5
39
4.5
5
4.5
12
4.5
19
4.9
26
4.4
33
4.5
40
4.5
All voltages are in V
IC404
K BOARD IC VOLTAGE LIST
VA Board Schematic Diagram
[AUDIO PROCESSOR]
1
2
A
B
C
C201
C408
C409
C410
C411
C404
C406
C428
C426
C431
C432
C430
C424
C455
C456
C457
C450
C451
C422
C423
JR407
R410
R409
C418
C419
IC404
R404
JR429
C405
C413
C412
C415
JR427
C446
R456
JR426
JR420
R403
R479
CN450
IC403
CN402
Q433
R437
R438
R439
Q430
R433
R431
R432
Q431
C490
R435
R434
Q432
C440
R443
R436
R459
R469
1
1
21
1
1
3
24
S.R.S
13
12
1
20
40
20
AUDIO PROCESSOR
1-678-026-13
171846413
pin
volt
pin
volt
pin
volt
pin
volt
B
0.3
B
0.3
B
4.5
B
4.5
C
0.0
C
0.0
C
GND
C
GND
E
GND
E
GND
E
5.1
E
5.2
All voltages are in V
Q433
Q430
Q431
Q432
K BOARD TRANSISTOR VOLTAGE LIST
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