Ic Block Diagrams - Sony KP-HW51K90J Service Manual

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