Sony KV-27HS420 (serv.man2) Service Manual ▷ View online
102
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
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A BOARD SCHEMATIC DIAGRAM (2 OF 2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
1
2
3
CN900
C903
C915
C918
C921
C924
C927
C930
C933
C939
C942
C945
CN903
D900
D903
IC903
L900
R900
R909
R915
R918
R921
R930
R939
R942
R945
R949
R954
C900
C909
C912
R903
R906
R912
R920
R927
R933
R948
R950
R951
R6945
R6946
R6947
IC900
10P
:B TO B
0 :CHIP
0 :CHIP
0 :CHIP
VSIN
1
2
V
5
V
H
P
L
S
SIIC
ACRLY
+BOVP
OCP
DFDAC
+15V
-15V
VDRV-
-15V
+15V
5V
S
C
L
K
S
D
A
T
*
*
*
*
*
*
*
*
*
*
*
*
25V
*
25V
*
50V
*
50V
* 16V
B:1608
*
16V
B:1608
*
10V
B:1608
* 50V
CH:1608
*
50V
:PT
:PT
*
16V
*
50V
CH:1608
*
16V
*
:WHT
*
PROT
*
PROT
*
DY-CONY.CONT
*
:EL0606
*
1/16W
:CHIP
:CHIP
*
:1608
*
2W
:RS
*
:RN-CP
*
:RN-CP
*
:RN-CP
*
:1608
* 1W :RS
*
:1608
*
:RN-CP
*
:1608
*
CONV AMP
REF.V-OUT
H_STAT
V_STAT
A_GND
V_SIN
H_DY-CONV
V_DY-CONV
D_GND
SCL
SDL
D_VCC
REF.V-IN
HD-IN
H-SAW_C
H-AGC_C
A_VCC
V_SAW
NC
OUTPUT
MUTE
SUB
CY+
NC
CY-
ACRLY
GND
-15V
GND
AFC-PLS
+15V
+BOVP
+BOCP
TO D CN5011
GND
DFDAC
DY-CONV.
3.3
3
.
3
0
.
1
-
1
5
.
7
1
5
.
3
3.3
4.9
4.9
4.9
4.9
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1.2
4.6
4.6
9-965-986-01<DA4>A 2/2
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