6-6. Ic Block Diagrams - Sony KP-HR432K90 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
VSS VEE
A BOARD : IC308 CXD2085M
7 SILCER
VDIN
SYNC.
6
VSIN
SEP.
A BOARD : IC708 TDA7265
5
MUTE / ST-BY
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
KP-HR432K90/HR532K90/HR532N90/HW572K90
RM-Y909K
1X 0X
13 12
TG
X-
14
COMMON
TG
TG
Y-
15
COMMON
TG
TG
Z-
4
COMMON
TG
2
I CBUS
INTERFACE
– 99 –
RM-Y909K RM-Y908
OUT/IN
O169
16
15
OLBX
9 SCL
SDA
10
RM-Y909K