Sony STR-V7770 - Page 32

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IC506 BA3833F-E2
• PANEL BOARD
IC505 µPD4053BC
1
2
3
4
5
6
7
8
B1
B0
C.COM
CO
INH
VEE
VSS
VDD
B.COM
A.COM
A1
A0
A
B
C
C1
9
10
11
12
13
14
15
16
OPEN
OPEN
OPEN
2
3
14
1
f04
13
f
12
VCC
11
NC
10
NC
15
f03
5
GND
6
BIAS
C
7
NC
8
NC
9
NC
4
16
f02
17
f01
18
RESET
RESET
C
PREF
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF DET
BPF DET
BPF DET
DET
RESET
Bias
• MOTOR BOARD
IC891 LB1641
1
2 3
4
5 6 7 8 9 10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1 VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D O.C.P
FWD/REV/STOP
CONTROL LOGIC
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2 3
4
5 6 7
89
10
14 13 12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC CLOCK REF OP2IN OP2OUT LPF2IN LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1 CC2
GND
• MIC/ECHO BOARD
IC6002 M65850P