Sony KV-27HS420 (serv.man2) Service Manual ▷ View online
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
114
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
[KEY INPUT]
HAX
COMPONENT SIDE
HAX BOARD SCHEMATIC DIAGRAM
[KEY INPUT]
HAX
CONDUCTOR SIDE
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
R1010
R1009
S1001
S1002
S1003
S1004
S1005
S1006
S1007
S1008
R1011
R1006
R1012
R1005
R1004
R1003
R1002
R1013
R1007
CN1002
CN1001
R1008
470
1/4W
680
1/4W
1k
1/4W
2.2k
1/4W
2.2k
1/4W
1k
1/4W
680
1/4W
470
1/4W
15k
1/4W
4.7k
1/4W
4.7k
1/4W
6P
WHT
:S-MICRO
10P
WHT
:S-MICRO
15k
1/4W
S
T
B
Y
+
5
V
S
I
R
C
S
P
-
O
N
S
T
B
Y
-
S
T
R
-
L
E
D
T
I
M
E
R
-
L
E
D
E
KEYWAKE
P_ON
STBY_LED
TIMER_LED
E
SIRCS
KEY2
KEY1
E
STBY5V
VOL-
CH-
VOL+
CH+
TV/VIDEO
SELECT
MS
RIGHT
DOWN
UP
LEFT
MENU
I_LINK
KEY INPUT
TO_CN1052(HCX)
TO M CN2301
9-965-986-01<DA4> HAX
S1004
S1006
S1008
S1003
S1005
S1007
C1002
D1000
D1001
CN1001
CN1002
R1002
R1003
R1007
R1011
R1004
R1008
R1006
R1005
R1009
R1012
S1001
S1002
R1010
C1001
R1013
1
1
10
1
6
STBY+5V
P-ON
P-ON
STBY
LED
STBY
LED
TIMER
LED
TIMER
LED
E
E
SIRCS
SIRCS
E
KEYWAKE
VOL-
VOL+
TV/VIDEO
SELECT
M
S
RI GHT
DOW
N
UP
LEFT
M
ENU
I
LI NK
STBY+5V
KEY2
KEY1
CH-
CH+
A- 1405-
292- A
1- 689- 216- 11
( 1- 723- 026- 11)
1
A
B
2
3
4
S1004
S1006
S1008
S1003
S1005
S1007
C1002
D1000
D1001
CN1001
CN1002
R1002
R1003
R1007
R1011
R1004
R1008
R1010
R1006
R1005
R1009
R1012
S1001
S1002
C1001
R1013
1
10
1
6
STBY+5V
P-ON
P-ON
STBY
LED
STBY
LED
TIMER
LED
TIMER
LED
E
E
SIRCS
SIRCS
KEY2
KEY1
E
KEYWAKE
I
LI NK
M
ENU
LEFT
UP
DOW
N
M
S
SELECT
RI GHT
TV/VIDEO
VOL+
VOL-
STBY+5V
CH-
CH+
1- 689- 216- 11
( 1- 723- 026- 11)
S1004
S1006
S1008
S1003
S1005
S1007
C1002
D1000
D1001
CN1001
CN1002
R1002
R1003
R1007
R1011
R1004
R1008
R1010
R1006
R1005
R1009
R1012
S1001
S1002
C1001
R1013
1
10
1
6
STBY+5V
P-ON
P-ON
STBY
LED
STBY
LED
TIMER
LED
TIMER
LED
E
E
SIRCS
SIRCS
KEY2
KEY1
E
KEYWAKE
I
LI NK
M
ENU
LEFT
UP
DOW
N
M
S
SELECT
RI GHT
TV/VIDEO
VOL+
VOL-
STBY+5V
CH-
CH+
1- 689- 216- 11
( 1- 723- 026- 11)
1
A
B
2
3
4
115
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
HB BOARD SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
V
L
R
EMI
EMI
CN1100
D1100
D1101
C1100
C1101
R1100
R1101
R1105
R1102
R1107
VD1102
R1106
D1103
J1100
FL1103
FL1104
JR1100
JR1101
R1104
R1108
JR1105
JR1107
JR1104
JR1106
JR1103
JR1102
R1103
D1102
D1104
D1105
11P
WHT
WHT
:S-MICRO
1
1
470k
1/16W
:CHIP
470k
1/16W
:CHIP
0
1/16W
:CHIP
75
1/16W
:RN-CP
75
1/16W
:RN-CP
M1608C270M
1k
1/16W
:CHIP
:CHIP
UDZS-TE17-10B
UDZS-TE17-10B
UDZS-TE17-10B
ACM3225
ACM3225
0
1/16W
:CHIP
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
0 1/16W
:CHIP
75
1/16W
:RN-CP
DTZ10B
DTZ10B
DTZ10B
NC
V2R
GND
V2L
GND
V2SSW
V2L
GND
V2SSW
V2Y
GND
V2C
GND
V2C
GND
V2V
V2V
TO UY CN1501
FRONT TERMINAL
9-965-986-01<DA4> HB
[FRONT TERMINAL]
CONDUCTOR
SIDE
SIDE
HB
[FRONT TERMINAL]
COMPONENT
SIDE
SIDE
HB
FL1102
F
L
1
1
0
1
F
L
1
1
0
0
C
1
1
0
6
C
1
1
0
7
D
1
1
0
2
D
1
1
0
5
C
1
1
0
5
R1106
D
1
1
0
3
R
1
1
0
5
R
1
1
0
3
V
D
1
1
0
5
D
1
1
0
4
V
D
1
1
0
3
V
D
1
1
0
4
V
D
1
1
0
2
V
D
1
1
0
1
V
D
1
1
0
0
R
1
1
0
2
R
1
1
0
7
R
1
1
0
0
D
1
1
0
0
D
1
1
0
1
R1108
R1101
R1104
J R1104
J R1105
J R1106
J R1107
J R1102
J R1103
J R1100
J R1101
F
L
1
1
0
3
F
L
1
1
0
4
C1100
C1101
C1102
C1103
CN1100
J 1100
V2R
V2L
V2SSW
V2Y
V2C
GND
GND
GND
GND
NC
V
L
R
Y
C
V2V
J 1100
VI DEO 2
I NPUT
XXX- A
T
O
U
Y
1
1
1
( 1- 725- 948- 11)
A- 1104-
1- 868- 185- 11
997- A
1
A
B
C
2
3
C
1
1
0
0
C
1
1
0
1
C
1
1
0
2
C
1
1
0
3
C
N
1
1
0
0
J 1100
J R10
J R11
J R12
V
2
R
V
2
L
V
2
S
S
W
V
2
Y
V
2
C
G
N
D
G
N
D
G
N
D
G
N
D
N
C
5
1
0
V
L
R
Y
C
V
2
V
V
I
D
E
O
2
I
N
P
U
T
T
O
U
Y
1
11
(
1
-
7
2
5
-
9
4
8
-
1
1
)
1
-
8
6
8
-
1
8
5
-
1
1
1
A
B
C
2
3
116
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
HCX BOARD SCHEMATIC DIAGRAM
1
2
3
4
5
6
OUT
VCC
GND
C1051
R1052
R1054
R1055
IC1051
CN1052
S1052
D1052
10
SBX3081-71
220
1/4W
22k
1/4W
2.2
1/4W
6P
WHT
:S-MICRO
SWITCH TACT
LNK0120022G
STBY+5V
SIRCS
P-ON
STBY-STR-LED
TIMER-LED
E
STBY/TIMER
TO_CN1002(HAX)
P ON
SIRCS
9-965-986-01<DA4> HCX
117
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
[P ON, SIRCS]
HCX
COMPONENT SIDE
[P ON, SIRCS]
HCX
CONDUCTOR SIDE
D
1
0
5
2
C
N
1
0
5
1
D1054
D
1
0
5
5
D1056
C
1
0
5
2
J
W
1
0
5
2
J
W
1
0
5
3
J
W
1
0
5
4
I
C
1
0
5
1
S
1
0
5
2
C1060
C1061
C1062
C1063
R1060
R1061
R1062
R1063
R1064
R1065
R1066
R
1
0
6
7
R
1
0
6
8
R
1
0
6
9
R1070
R
1
0
7
1
R
1
0
7
2
R
1
0
7
3
R1074
R1075
R1076
J W
1071
R1081
J
W
1
0
7
2
R1082
R1080
J
W
1
0
7
4
J
W
1
0
7
5
J W
1051
C
1
0
5
1
R
1
0
5
4
R
1
0
5
2
R
1
0
5
5
C
N
1
0
5
2
R1057
R1058
C1054
C1053
R
1
0
5
6
TH1051
I C1052
J W
1073
J
W
1
0
7
6
D1057
R1083
C1064
C
1
0
6
5
C1066
D
1
0
5
3
D
1
0
5
1
R1051
R
1
0
5
3
I
C
1
0
5
3
Q1060
Q1061
Q
1
0
5
1
Q
1
0
5
2
C
N
1
0
5
3
I C1055
R1059
C1067
STBY+5V
SI RCS
O
VCC
16
13
E
B
E
B
E
E
I
LI NK
E
TI M
ER- LED
STBY- STR
- LED
P- ON
1
12V
EN- DET
14
8
7
1
1
7
E
B
E
B
GND
S
M
U
T
E
SW
3
SW
2
5V
1
3
4
6
293- A
A- 1405-
4
1
8
5
1- 689- 217- 12
( 1- 723- 027- 12)
1
A
B
C
2
3
4
D
1
0
5
2
C
N
1
0
5
1
D
1
0
5
4
D
1
0
5
5
D1056
C
1
0
5
2
I C1051
S1052
C1060
C1061
C1062
C
1
0
6
3
R1060
R1061
R1062
R1063
R1064
R1065
R1066
R
1
0
6
7
R
1
0
6
8
R
1
0
6
9
R1070
R
1
0
7
1
R
1
0
7
2
R
1
0
7
3
R1074
R1075
R1076
R1081
R1082
C
1
0
5
1
R
1
0
5
2
R1054
R
1
0
5
5
C1054
C
1
0
5
3
TH1051
R
1
0
5
6
R1080
I C1052
CN1053
R
1
0
5
7
R1058
Q
1
0
5
1
Q
1
0
5
2
Q1061
Q1060
C
N
1
0
5
2
D1057
R1083
C1064
C
1
0
6
5
C1066
D
1
0
5
3
D
1
0
5
1
R1051
R
1
0
5
3
I C1053
I C1055
R
1
0
5
9
C1067
STBY+5V
SI RCS
O
VCC
1
6
1
3
B
E
B
E
E
E
I
LI NK
E
TI M
ER- LED
STBY- STR
P- ON
- LED
E
N
-
D
E
T
12V
14
8
1
7
1
7
B
E
B
E
GND
5V
SW
2
SM
UTE
SW
3
1
3
4
6
1
4
5
8
1- 689- 217- 12
( 1- 723- 027- 12)
1
A
B
C
2
3
4
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