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Ic Block Diagrams - Sony KP-HW51K90J Service Manual

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6-6. IC BLOCK DIAGRAMS

A BOARD : IC305, 307 SN74LV4053ANSR
VDD
16
LOGIC LEVEL
A
11
CONVERSION
LOGIC LEVEL
B
10
CONVERSION
LOGIC LEVEL
C
9
CONVERSION
LOGIC LEVEL
6
INH
CONVERSION
8
7
VEE
VSS
A BOARD : IC308 CXD2085M
7
SILCER
VDIN
SYNC.
VSIN
6
SEP.
A BOARD : IC708 TDA7265
MUTE / ST-BY
5
L + IN
7
GND
9
R + IN
11
R-VS L-VS
IN/OUT
1Z
0Z
1Y
0Y
3
5
1
2
BINARY TO
1OF2
DECODERS
WITH
INHIBIT
BINARY TO
1OF2
DECODERS
WITH
INHIBIT
BINARY TO
1OF2
DECODERS
WITH
INHIBIT
DECODE
13
12
XI
XO
+VS
3
4
L OUT
8
L -IN
10
R -IN
2
R OUT
1
6
1X
0X
13
12
TG
X-
14
COMMON
TG
TG
Y-
15
COMMON
TG
TG
Z-
4
COMMON
TG
2
I
CBUS
INTERFACE
– 90 –
KP-HW51K90J/HW57K90J
RM-Y909K
OUT/IN
O169
16
15
OLBX
SCL
9
10
SDA
RM-Y909K

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