Ic Block Diagrams; A Board: Ic305, 307 Sn74Lv4053Ansr; A Board: Ic308 Cxd2085M; A Board: Ic305, Tda7265 - Sony KP-46WT500 Service Manual

5-5. IC BLOCK DIAGRAMS

A BOARD: IC305, 307 SN74LV4053ANSR

11
A
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
8 7
VSS VEE
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
GND 9
10
R -IN
2
R OU T
11
1 6
R-VS L-VS
— 80 —
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
KP-46WT500