Sony STR-W777 Service Manual page 40

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3 7 63 1515 0
• 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 5
1 4
• Main (2/2) section
IC112 MC14052BCP
2X0 1 16
15
2X2 2
14
2XCOM 3
TE
L 13942296513
13
2X3 4
12
5
2X1
INH 6 11
VEE 7 10
VSS 8
• MIC/ECHO section
IC6002 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
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http://www.xiaoyu163.com
10 9 8
LPF2
20KBIT
SRAM
6 7
IC851 uPC1237HA
VDD
X2
X1
XCOM
X0
X3
A
9 B
1 2
10 9 8
LPF2
20KBIT
SRAM
6 7
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y
i
http://www.xiaoyu163.com
8
IC402 MC14053BCP
B1 1
B0 2
OPEN
C1 3
C.COM 4
OPEN
CO 5
INH 6
VEE 7
OPEN
VSS 8
OVER LOAD DET
OFFSET DET
Q Q
3 6 7 1 3
LATCH/
AUTORESET
AC OFF
DET
3 4
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.
— 58 —
2 9 9 4 2 8
VDD
16
B.COM
15
14 A.COM
13 A1
A0
12
11
A
10 B
9 C
V ON
CC
F/F
MUTE
1 5 0 5 8 2 9 9 4
5 6 7
m
co
9 9
2 8 9 9
V
CC
8