Ic Block Diagrams - Sony STR-WX7 Service Manual

4-18. IC BLOCK DIAGRAMS

• MAIN (1/2) SECTION
IC401 M65850P
14 13 12 11
OSCILLATOR
D/A
1/2 VCC
DO1
CLOCK
MO
AUTO
MAIN
RESET
RESET CONTROL
MI
D1 DO0
A/D
LPF1
2 3 4 5
1
• MAIN (2/2) SECTION
IC112 MC14052BCP
2X0 1 16
15
2X2 2
14
2XCOM 3
13
2X3 4
12
2X1 5
INH 6
11
VEE 7 10
VSS 8
IC851 uPC1237HA
OVER LOAD DET
OFFSET DET
LATCH/
AUTORESET
1 2 3
26
10 9 8
LPF2
20KBIT
SRAM
6 7
VDD
X2
X1
XCOM
X0
X3
A
9 B
F/F
AC OFF
DET
4 5 6
IC402 MC14053BCP
B1 1
B0 2
OPEN
C1 3
C.COM 4
OPEN
CO 5
6
INH
VEE 7
OPEN
VSS 8
V ON
CC
MUTE
V
CC
7 8
VDD
16
B.COM
15
14 A.COM
13
A1
A0
12
11
A
10 B
9 C