Arcam DiVA AVR250, Руководство по обслуживанию

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AVR250
SURROUND SOUND RECEIVER
P1
.0
(T2
)
VCC
P1
.1
(T2
EX)
P0
.0
(AD
0
)
P1
.2
A L E / P R O G
(RD)
P
3
.7
XT
AL
1
E A / V P P
(WR
)
P3
.6
GND
(R XD ) P3 .0
P0.7 (AD7)
P2 .6 (A1 4 )
P0.6 (AD6)
P0.5 (AD5)
P0.4 (AD4)
P0
.3
(AD
3
)
P1
.4
P0
.2
(AD
2
)
P1
.3
P0
.1
(AD
1
)
P S E N
XT
AL
2
(IN T 0 ) P3 .2
(T XD ) P3 .1
(T 1 ) P3 .5
(IN T 1 ) P3 .3
(T 0 ) P3 .4
P2 .7 (A1 5 )
(A1
1
)
P2
.3
(A
12)
P
2
.4
(A
10)
P
2
.2
(A9
)
P2
.1
(A8
)
P
2
.0
NC
2 3
1
R ST
P1 .7
P1 .6
P1 .5
I N D E X
C O R N E R
N C
NC
P2 .5 (A1 3 )
3 4 N C
4 2
4 3
4 0
4 1
6
5
4 4 4
3
2
2 6
2 5
2 8
2 7
1 8
1 9
2 0 2 4
2 1
2 2
7
8
9
1 0
11
1 2
1 3
1 4
1 5
1 6
1 7
2 9
3 0
3 9
38
37
3 6
3 5
3 3
3 2
3 1
KEY BOARD
U1002: AT89S52
MAIN BOARD
U101: AT89S52