Ic Block Diagrams - Sony KP-51WS500 Service Manual

5-5.

IC BLOCK DIAGRAMS

A BOARD: IC305, 307 SN74LV4053ANSR
A 11
B 10
C 9
6
INH
A BOARD: IC308 CXD2085M
VDIN
VSIN
A BOARD: IC305, TDA7265
VDD
16
LOGIC LEVEL
BINARY TO
CONVERSION
1OF2
DECODERS
WITH
INHIBIT
LOGIC LEVEL
BINARY TO
CONVERSION
1OF2
DECODERS
WITH
INHIBIT
LOGIC LEVEL
BINARY TO
CONVERSION
1OF2
DECODERS
WITH
LOGIC LEVEL
INHIBIT
CONVERSION
7
8
VEE
VSS
7 SILCER
SYNC.
6
SEP.
13
XI
MUTE / ST-BY
L + IN
R + IN
IN/OUT
1Z 0Z 1Y 0Y 1X 0X
3 5 1 2 13 12
DECODE
12
XO
+VS
3
5
7
4 L OUT
8 L -IN
9
GND
10 R -IN
2 R OUT
11
1 6
R-VS L-VS
— 80 —
KP-51WS500/57WS500/65WS500
TG
X-
14
COMMON
TG
TG
Y-
15
OUT/IN
COMMON
TG
TG
Z-
4
COMMON
TG
O169
16
15 OLBX
9 SCL
2
I CBUS
INTERFACE
SDA
10