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A
B
AV-S77
AV-S77C SCHEMATIC DIAGRAM (OPERATION)
1
2
3
4
5
6
7
8
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
2SA1037K
ISS355
S-29390AFJA
M30218FCFP
DTA144EK
UDZ5.1B
80
51
DTC144EK
MTZ6.2B
81
Anode
C
E
8
4
B
1
100
Cathode
1
30
9
43
C
D
E
~
-25.1
~
~
~
~
~
~
-25.3
4.5
5.0
1.7
4.7
4.7
0.8
4.7
0
4.7
4.7
4.7
FROM DSP
Page 44
C7
50
31
F
G
~
~
~
~
~
~
SYSTEM CONRTOL
~
~
~
~
~
~
0
4.7
4.7
0
0
0
4.7
3
0
FROM MAIN
Page 42
B7
Point 4 emitter of Q209
and collector of Q208
Q209 E
Q208 C
H
I
J
Point 3 Pin 13 of IC200
0
0
EEP ROM
2
0
RESET
0.4
4.7
0
0
0
4.7
0
11.4
B
10.8
4.7
0
6.8
6.2
4.7
0
6.2
0
4.7
0
0
0
0
# All voltage are measured with a 10MΩ /V DC electric volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
POWER ON
POWER OFF
(Connect the power cord)
(Disconnect the power cord)
K
L
IC201 : S-29390AFJA
CMOS 4kbit Serial EEPROM
Memory array
Address decoder
6
Data register
Output buffer
DO
DI
5
8
TEST
Mode decode logic
3
CS
1
NC
2
Vcc
4
SK
Clock generator
7
GND
11.5
A
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