Ic Block Diagrams - Sony STR-SE381 Service Manual

3-12. IC BLOCK DIAGRAMS

IC300 LV1016
24
DEC
2 3
1
IC301 LA2786
CONTROL
20
23 22 21
ADM
VDD
ADM-CONT
A
B
IN-FILTER
(40kHz)
5 6 7
4 8
19 18 17 16
SRAM
+
L+DELAY
OUT-FILTER
–
(7k/5k)
L–R
+
L+R
(–6dB)
B-NR
9 10
CTRIM
MUTE
CMODE
S. P. S. P.
— 27 —
15 14 13
INV-PHASE
+
R+DELAY
VOL/MUTE
DC-OUT
S-TRIM
11 12
CONTROL
T DUAL