Sony KV-27HS420 (serv.man2) Service Manual ▷ View online
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
110
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
[R.G.B. DRIVE, CRT DRIVE]
CH
COMPONENT SIDE
CONDUCTOR SIDE
CH
[R.G.B. DRIVE, CRT DRIVE]
R
9
0
4
7
C
9
0
2
5
Q
9
0
1
4
J 9001
C
9
0
3
1
L9005
R
9
0
5
9
C
9
0
4
4
C
9
0
4
2
J
W
9
0
1
4
J
W
9
0
0
7
R9015
R
9
0
7
0
EY9012
J
W
9
0
0
3
J W
9004
J W
9009
J
W
9
0
0
5
C
9
0
2
3
R
9
0
4
3
EY9014
R
9
0
9
1
RV9003
C9046
R9033
R9034
C
9
0
2
2
R
9
0
3
7
R
9
0
4
0
C
9
0
1
2
C9018
D9006
EY9015
L9003
R
9
0
4
5
C9021
D9007
C
9
0
1
1
R
9
0
4
6
R
9
0
4
4
C
9
0
2
7
R9052
R9030
R
9
0
5
4
L
9
0
0
4
D9009
R9057
EY9011
C9033
D9010
EY9013
D9008
C
9
0
1
4
C9020
L
9
0
0
1
L9006
J W
9016
C
9
0
3
2
EY9003
EY9005
EY9007
EY9009
R9061
N
L
9
0
0
2
R9062
R
9
0
5
6
EY9001
C
9
0
1
6
NL9001
R9069
L
9
0
0
2
C9004
R
9
0
5
0
R9053
R
9
0
8
6
R
9
0
7
1
R
9
0
8
7
R9051
EY9010
RV9001
CLP9004
NL9003
J W
9001
J W
9013
J W
9006
J W
9011
J W
9010
J
W
9
0
1
8
J
W
9
0
0
8
J W
9015
J W
9012
SG9001
I
C
9
0
0
3
I
C
9
0
0
2
CN9002
CN9009
CN9003
CN9004
I
C
9
0
0
1
J W
9002
J
W
9
0
2
1
C9047
CN9001
J
W
9
0
1
7
C
L
P
9
0
0
1
CLP9002
C
L
P
9
0
0
3
CN9005
1
4
B
E
1
2
8
9
G1- 2
KR
KG
KB
H2
H1
G2
E2
1
2
8
9
1
2
8
9
G1- 1
G1- 3
H ST
E1
H1
E
200V
E
E
E
+
1
2
I
K
E
POW
ER- M
UTE
R
D
R
V
G
D
R
V
B
D
R
V
G2
NC
1
11
I
D
E
E
E
1
1- 684- 619- 13
( 1- 721- 150- 13)
A
-
1
4
0
0
-
5
5
0
-
A
1
A
B
C
D
E
2
3
4
5
6
Q
9
0
0
1
Q9005
Q
9
0
0
4
R
V
9
0
0
1
Q
9
0
0
9
Q9003
NL9001
Q9011
C9004
Q9010
Q
9
0
1
4
J 9001
R9061
D9009
C
9
0
3
1
R
9
0
5
6
L9005
R9062
C
9
0
1
6
R9069
R
9
0
2
6
C
9
0
0
6
R
9
0
1
8
C
9
0
0
9
R9038
R
9
0
4
3
R
9
0
4
5
C9029
C9003
R9041
C
9
0
2
3
C
9
0
1
9
C
9
0
1
2
C9028
R
9
0
4
0
R
9
0
3
7
C9005
R9035
C
9
0
2
2
R
9
0
0
1
C
9
0
0
8
R
9
0
3
1
C9018
D9006
C
9
0
1
5
R9036
C9021
C
9
0
1
1
C
9
0
2
6
D9007
C
9
0
2
7
C9010
R9019
R
9
0
4
4
C9002
R
9
0
4
6
R
9
0
0
8
R
9
0
4
2
C9030
R9068
C
9
0
1
4
D9008
R9052
R
9
0
5
4
R
9
0
4
7
R
9
0
5
0
L
9
0
0
2
L9003
R9053
R9051
L
9
0
0
4
C9033
D9010
R9030
R
9
0
5
9
R9057
L9006
L
9
0
0
1
N
L
9
0
0
2
C
9
0
3
2
C9020
C
9
0
2
4
R9013
C
9
0
4
2
R
9
0
4
9
R
9
0
4
8
R9087
R
9
0
7
1
R9015
R9086
R
9
0
7
0
C9046
RV9003
R
9
0
9
1
R9034
C
9
0
4
4
C
9
0
4
5
R9033
C
9
0
2
5
D
9
0
0
5
R9073
C9013
C
9
0
0
7
R
9
0
0
7
R9039
R9063
R
9
0
6
4
C9036
C9037
R
9
0
7
7
R9089
R
9
0
1
4
R9016
R9012
R9006
R9065
R
9
0
7
2
R9088
SG9001
Q
9
0
1
6
I C9003
CN9002
CN9009
CN9003
CN9004
I C9002
I C9001
C9047
CN9001
R
9
0
7
4
D
9
0
0
2
CLP9002
C
L
P
9
0
0
3
L
P
9
0
0
3
R9003
J R9002
J R9001
CN9005
J R9003
C
L
P
9
0
0
1
B
E
1
2
8
9
H1
E1
E2
G2
H2
G1- 1
KR
KG
KB
G1- 2
G1- 3
E
E
1
2
8
9
1
2
8
9
H
S
S
T
E
G2
200V
H1
E
E
E
E
I K
+12
1
4
NC
RDRV
GDRV
BDRV
POW
ER- M
UTE
1
1 1
I D
E
1- 684- 619- 13
( 1- 721- 150- 13)
Q
9
0
0
1
Q9005
Q
9
0
0
4
R
V
9
0
0
1
Q
9
0
0
9
Q9003
NL9001
Q9011
C9004
Q9010
Q
9
0
1
4
J 9001
R9061
D9009
C
9
0
3
1
R
9
0
5
6
L9005
R9062
C
9
0
1
6
R9069
R
9
0
2
6
C
9
0
0
6
R
9
0
1
8
C
9
0
0
9
R9038
R
9
0
4
3
R
9
0
4
5
C9029
C9003
R9041
C
9
0
2
3
C
9
0
1
9
C
9
0
1
2
C9028
R
9
0
4
0
R
9
0
3
7
C9005
R9035
C
9
0
2
2
R
9
0
0
1
C
9
0
0
8
R
9
0
3
1
C9018
D9006
C
9
0
1
5
R9036
C9021
C
9
0
1
1
C
9
0
2
6
D9007
C
9
0
2
7
C9010
R9019
R
9
0
4
4
C9002
R
9
0
4
6
R
9
0
0
8
R
9
0
4
2
C9030
R9068
C
9
0
1
4
D9008
R9052
R
9
0
5
4
R
9
0
4
7
R
9
0
5
0
L
9
0
0
2
L9003
R9053
R9051
L
9
0
0
4
C9033
D9010
R9030
R
9
0
5
9
R9057
L9006
L
9
0
0
1
N
L
9
0
0
2
C
9
0
3
2
C9020
C
9
0
2
4
R9013
C
9
0
4
2
R
9
0
4
9
R
9
0
4
8
R9087
R
9
0
7
1
R9015
R9086
R
9
0
7
0
C9046
RV9003
R
9
0
9
1
R9034
C
9
0
4
4
C
9
0
4
5
R9033
C
9
0
2
5
D
9
0
0
5
R9073
C9013
C
9
0
0
7
R
9
0
0
7
R9039
R9063
R
9
0
6
4
C9036
C9037
R
9
0
7
7
R9089
R
9
0
1
4
R9016
R9012
R9006
R9065
R
9
0
7
2
R9088
SG9001
Q
9
0
1
6
I C9003
CN9002
CN9009
CN9003
CN9004
I C9002
I C9001
C9047
CN9001
R
9
0
7
4
D
9
0
0
2
CLP9002
C
L
P
9
0
0
3
L
P
9
0
0
3
R9003
J R9002
J R9001
CN9005
J R9003
C
L
P
9
0
0
1
B
E
1
2
8
9
H1
E1
E2
G2
H2
G1- 1
KR
KG
KB
G1- 2
G1- 3
E
E
1
2
8
9
1
2
8
9
H
S
S
T
E
G2
200V
H1
E
E
E
E
I K
+12
1
4
NC
RDRV
GDRV
BDRV
POW
ER- M
UTE
1
1 1
I D
E
1- 684- 619- 13
( 1- 721- 150- 13)
1
A
B
C
D
E
2
3
4
5
6
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
112
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
D BOARD SCHEMATIC DIAGRAM (2 OF 2)
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
PG.1
PG.1
HV
12
2
3
4
11
1
FV
7
8
9
17
16
G2
14
18
19
6
10
5
13
15
1
2
4
3
1
2
3
1
2
3
1
2
4
3
1
2
4
3
+
-
S
S
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
+
-
1
2
4
3
1
4
5
3
1
2
3
4
5
6
7
8
9
10
11
12
1
2
4
5
6
8
10
S
S
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
4
3
3
1
2
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
I
O
G
C8042
D8011
D8012
R8003
R8005
R8016
C8001
C8007
C8002
D8024
R8031
R8030
R8035
R8041
R8029
R8027
D8019
D8023
R8004
R8146
D8026
D8015
R8097
R8020
C8063
C8040
R8015
R8013
R8010
R8012
R8066
PH8003
IC8005
R8014
D8009
R8025
R8026
R8028
R8135
R8136
R8138
R8137
C8074
C8073
C8075
C8077
D8034
R8159
R8158
R8200
R8160
R8203
R8161
PH8001
PH8004
C6519
C6517
D6502
C6508
L6505
D6514
C6584
C6592
C6502
CN6502
IC6501
R6526
D6519
D6520
C6546
C6549
C6550
D6513
FB6500
C6552
C6593
C6555
D6524
C6514
C6513
L6516
D6516
D6518
C6557
C6558
L6501
L6502
L6514
L6506
RY6502
R6516
D6532
RY6501
R6519
R6521
PH6501
D6505
L6517
L6518
D6523
D6504
L6507
IC6503
FB6519
L6503
L6510
L6511
FB6501
C6559
CN6504
JW6505
C8033
C8024
R8050
R8049
C8025
D8010
R8201
D5007
D8013
D8014
R8043
D8028
R8105
C8079
R8106
D6521
R8082
C8041
R8058
R8061
R8063
R8062
C8036
C
80
3
5
R8070
C8037
R8051
D8001
C8006
L8002
R8011
R8072
D8022
IC8001
D8007
C8018
C8017
C8020
C8016
D8005
D8003
R8079
R8087
R8096
SG8002
D8030
C8065
R8145
IC8004
C8003
D8006
R8144
IC8006
D8140
C8076
R8206
PH6502
R6542
R6547
C6518
C6510
R6529
R6531
R6535
R6533
C6526
C6525
R6556
C6532
R6590
R6593
R6602
R6605
R6544
C6516
IC6505
R6501
D6530
C6590
R6515
R6539
D6508
R6502
C6503
C6511
R6505
R6518
C6507
R6536
R6557
R6508
R6510
C6515
R6595
D6533
R6507
C6595
R6527
D6534
R6530
R6528
R6532
C6596
R6537
R6538
R6509
D6537
R6545
R6548
C6551
R6503
JW6500
JW6501
CN6506
D6538
IC8002
R8056
C8032
R8057
C8028
C8027
R8006
R8007
CN6503
R8088
R8090
R8001
C8052
R6511
T8001
IC8104
FB6520
FB6521
FB6508
FB6509
FB8001
FB8002
PS6505
PS6506
R8046
R8078
R8165
C6556
C8021
C8045
C8048
D6525
IC6502
JR8023
JR8022
R6513
R6514
R6517
R6524
R6525
R6646
R8017
R8019
R8032
R8053
R8054
R8055
R8059
R8060
R8076
R8085
R8086
JW6502
JW6504
JW6503
T6502
C8030
C8031
C8139
PS6550
R8069
C6597
C8012
C8015
R8021
R8036
R8037
R8038
R8039
R8040
R8052
Q6506
Q6507
Q8013
Q8014
R8022
R8024
Q6527
Q6532
Q8004
Q8003
Q8028
Q8008
Q8007
Q8034
Q6522
Q6530
Q8021
Q8011
Q8035
D8031
C6554
D6509
D6510
R8033
0.1
275V
D10SC4M
JW(7.5MM)
MA111
D4SB60L
JW(20)
JW(20)
0.1
250V
MTZJ-15B
MTZJ-15B
22k
1/16W
:CHIP
:CHIP
22k
1/16W
:CHIP
:CHIP
3.3k
10
0.001
F:1608
10
MTZJ-6.2B
100k
1/16W
:RN-CP
100k
1/16W
:RN-CP
3.9k
:RN-CP
0
1/16W
:CHIP
:CHIP
68k
1/16W
:RN-CP
68k
1/16W
:RN-CP
JW(5)
MTZJ-5.1B
IK-PROT-REF
4.7k
:CHIP
1k
1/10W
:CHIP
:CHIP
MA111
MA111
STOPPER
10
:CHIP
10k
:CHIP
0.01
800V
:MPP
800V
:MPP
220
2.2k
:RN-CP
10k
:CHIP
0
1/16W
:CHIP
:CHIP
1.5k
1k
:CHIP
PC123Y22
HV FEEDBACK
CONTROL
1k
:CHIP
UDZS-15B
1k
:CHIP
1.8k
1/16W
:RN-CP
5.6k
1/16W
:RN-CP
10k
1/16W
:CHIP
:CHIP
10k
1/16W
:CHIP
1M
1/16W
:CHIP
1k
1/16W
:CHIP
0.01
25V
B:1608
470p
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
MTZJ-7.5B
15k
1/16W
:CHIP
:CHIP
100
1/16W
:CHIP
10k
1/16W
:CHIP
470k
1/16W
:CHIP
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
PC123Y22
HV FEEDBACK
PC123Y22
HV FEEDBACK
10
4.7
UF4005
PUMP-UP
47
25V
:LHL10
D4SBS6
AUDIORECT
470p
250V
250V
0.001
B:1608
2P
:MINI(LOCK)
MCZ3001D
DRIVER
0.1
1/2W
:RF
D1NL20U
D1NL20U
3300
50V
220
100
D10SC4M
7V RECT
JW(5)
4700
16V
2200
16V
100
25V
D4SBL20U
1000
16V
330
25V
JW(5)
D5LC20U
D1NL40
200V RECT
33
250V
47
3.3
10W
ERA22-08
STOPPER
DLS12-D1
0
1/16W
:CHIP
:CHIP
1k
1/2W
:FPRD
PC123Y22
MA111
D4SBS6-F
5V RECT
DM-58
CONTROL
1.1UH
1.1UH
1000
25V
12P
WHT
WHT
:S-MICRO
10
47
33
1/16W
:RN-CP
100
1/16W
:RN-CP
47
25V
UF4005
JW(5)
MA111
UDZS-15B
UDZS-15B
12k
:RN-CP
UDZS-5.1B
100
1/16W
:CHIP
:CHIP
0.22
16V
B:CHIP
0.47
:FPRD
3.3M
1/16W
:CHIP
:CHIP
0.1
:PT
10
:FPRD
10
:FPRD
10k
1/16W
:CHIP
:CHIP
10k
1/16W
:CHIP
:CHIP
330p
1kV
R
33
0
p
1
kV
R
0.1
2W
:RS
0.047
800V
:MPP
:MPP
0.1
1/2W
:RF
MA111
1
220k
1/16W
:CHIP
:CHIP
0.47
:FPRD
D1NL20U
HD RECT
NJM2903M
PROTECT
MA111
10
10
0.1
:PT
:PT
0.1
:PT
MA111
MA111
15k
0
1/16W
:CHIP
0
1/16W
:CHIP
UDZ-18B
0.22
16V
B:1608
47k
1/16W
:CHIP
:CHIP
NJM2904M
BUFF
0.01
25V
B:1608
D1NL20U
STOPPER
220k
:CHIP
NJM2903M
MA111
4.7
470
1/16W
:CHIP
:CHIP
PC123Y22
MAIN CONTROL
1k
1/16W
:CHIP
0
1/16W
:CHIP
:CHIP
0.001
:PP(2%)
0.1
:PT
10
:FPRD
10
:FPRD
10k
1/16W
:CHIP
10k
1/16W
:CHIP
:CHIP
680p
1kV
R
680p
1kV
0.1
2W
:RS
0.039
800V
:MPP
680
:FPRD
100
:FPRD
1k
1/16W
:CHIP
2.2k
:CHIP
0
1/16W
:CHIP
:CHIP
0.001
B:1608
SE-140N
+B OVP
56
1/16W
:RN-CP
1200
250V
470k
1/2W
1/2W
22k
2W
:RS
MTZJ-33C
33V-RECT
470k
1/2W
1/2W
1200
250V
250V
0.01
25V
B:1608
100
1/16W
:RN-CP
13k
1/16W
:RN-CP
0.1
:PT
1k
:FPRD
0.1
2W
:RS
10 :FPRD
10
:FPRD
0.1
16V
B:1608
0.47
:FPRD
MA111
4.7k
1/16W
:CHIP
:CHIP
220
25V
25V
4.7k
1/16W
:CHIP
:CHIP
MA111
4.7k
1/16W
:CHIP
:CHIP
100
1/16W
:CHIP
10k
1/16W
:CHIP
:CHIP
1
10k
1/16W
:CHIP
:CHIP
10k
1/16W
:CHIP
:CHIP
4.7k
1/16W
:CHIP
:CHIP
MA111
4.7k
1/16W
:CHIP
:CHIP
1.5k
1/16W
:CHIP
:CHIP
0.022
25V
B:1608
15k
:CHIP
10P
:B TO B
MTZJ-5.1B
MCZ3001D
DRIVER
8.2k
1/16W
:RN-CP
680p
:PP(2%)
13k
1/16W
:RN-CP
0.0022
B:1608
0.1
:PT
:PT
2.2M
1/2W
1/2W
2.2M
1/2W
1/2W
5P
WHT
:S-MICRO
10k
1/16W
:CHIP
:CHIP
10k
1/16W
:CHIP
:CHIP
100
1/16W
:CHIP
:CHIP
100
25V
25V
3.3
1/2W
:FPRD
NX-6020
TL431CZ-TP
VREF
0UH
0UH
0.45UH
0.45UH
0UH
0UH
10 AMP
90V
10 AMP
90V
1.5k
1/16W
:RN-CP
100k
1/16W
120k
100
160V
:HR
0.01
F:1608
0.0022
:PT
0.22
:PT
MTZJ-33C
33V-RECT
PQ12RF21
12V REG
0
1/16W
:CHIP
:CHIP
0
1/16W
:CHIP
:CHIP
470k
:RN
430k
:RN
8.2k
1/16W
:RN-CP
220
1/16W
:CHIP
220
1/16W
:CHIP
5.0MM
:RN
3.6k
1/16W
:RN-CP
13k
82k
1/16
:CHIP
470k
:RN
470k
:RN
5.0MM
:RN
220
1/16W
:CHIP
:CHIP
220
1/16W
:RN-CP
220
1/4W
4.7k
1/2W
1/2W
10k
1/2W
JW(7.5MM)
JW(7.5MM)
JW(7.5MM)
PIT
0.022
16V
B:1608
33
25V
0.047
B:1608
10 AMP
2.2k
1000
25V
100
25V
25V
100
25V
25V
2SK3568
CONVERTER
2SK3568
CONVERTER
2SK3568
CONVERTER
2SK3568
CONVERTER
22k
1/16W
:CHIP
22k
1/16W
:CHIP
:CHIP
2SC1623-L5L6
AC-RLY-DRV
2SC1623-L5L6
LATCH-1
2SC1623-L5L6
NECK-PROT
2SC1623-L5L6
HV-PROT
2SC1623-L5L6
2SC1623-L5L6
2SC1623-L5L6
2SC1623-L5L6
2SA1235-F
OVP SW
2SA1235-F
LATCH-2
2SA1235-F
HV PROT1
2SA1235-F
HV PROT3
2SA1235-F
MA111-TX
2200
16V
47k
:CHIP
HV PROT
MAIN 9V
MAIN 12V
+
15
V
+15V
SET ON
+B_OVP
IK-PROT2
AC RECT+
AC RECT+
P_SW(-)
P
_S
W
(-
)
UNREG 7V
U
NR
E
G
7
V
AC
-H
O
P
VC
C
AC
RE
CT
-
AC RECT-
AC RECT-
IK-PROT2
UN
RE
G
11
V
33V
UNREG 5V
UN
R
EG
5V
UNREG 11V
ABL
AFC-PLS
H PROT
PDF
+135V
-15V
MAIN 200V
AC_RLY
HOLDDOWN
DQPDAC
+15V
V_PARA1
V_PARA2
+B_OVP
MAIN 9V
MAIN 12V
+135D
H-COMP
15V-1
2
1
2
1
2
1
2
1
3
4
2
1
3
4
2
1
2
1
2
1
2
1
16
14
H-COMP
ABL
15V-1
PDF
HOLDDOWN
DQPDAC
GND01
GND02
*
*
:RN
*
1/16W
:RN
*
:RN
*
:RN
*
:RN
*
1/16W
:RN-CP
*
*
(HV REG)
HV-PROT-ADJ
ANODE
CATHODE
REF.
TO P1
TO
CATHODE
ANODE
REF
AC OUT
AC OUT
VSENSE
F/B.
CT
RT
GND
TIMER
SS
VC1
OCP
VD
VG(H)
VS
VB
VG(L)
P-GND
VC2
UNREG5V
UNREG7V
UNREG5V
UNREG7V
GND
GND
GND
GND
GND
GND
UNREG11V
UNREG11V
GND
GND
MAIN+33V
MAIN19V
GND
GND
MAIN+12V
V_PARA1
V_PARA2
TO P1
SET_ON
P_SW(-)
P1
P1
TO
P1
TO
P1
TO
P1
TO
P1
TO
P1
TO
V SENSE
F/B
CT
RT
GND
TIMER
SS
VC1
OCP
VC2
P.GND
VG(L)
VB
VS
VG(H)
VD
AUDIO VCC
AUDIO VCC
NC
AUDIO GND
AUDIO GND
DQPDAC
POWER SUPPLY
AC RECT
DEFLECTION
9
.
8
.
7
6
10
11
.
.
12
13
.
15
17
.
.
14
.
18
.
16
1
.
2
2.8
1.8
2.2
2.5
0.0
0.0
4.6
17.9
10.5
4.8
151.8
142.2
146.3
306.1
133.8
2.5
1
1
.
0
15.4
1
3
3
.
8
0.1
2
.
5
2
.
1
2
.
3
2
.
5
0
.
0
1
7
.
5
2.6
1.8
2.2
2.5
0.0
4.6
17.9
0.0
10.5
146.3
142.2
151.8
4.8
6.9
6.9
6.9
6.9
6.9
15.0
9.9
2.5
0
.
0
2
.
5
2
.
2
7
.
5
4
.
5
14.8
2.5
2.5
15.4
0.0
0.8
0.1
3.2
3.2
0.0
0.1
2.6
0.1
0.1
0.6
0.1
0.6
0.0
11.9
1
1
.
7
0
.
0
0.0
11.7
0.0
12.0
11.6
2.5
140.1
305.6
4.5
136.0
131.0
305.0
TO A CN524
TO A CN521
TO A CN526
TO A CN514
9-965-986-01<DA4> D(2/2)
UNREG 7V
UNREG 5V
-15V
+15V
UNREG 11V
+200V
+15V
UNREG 11V
+15V
+15V
+15V
UNREG 11V
+12V
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