AL-1651CS CIRCUIT DIAGRAM 13 - 27
OPERA
T
IO
N PW
B (
K
EY /
Buzz
er
Sect
ion)
R
322
2kJ
KEY318
NM4
K
KEY325
CL
K
KEY309
SHPK
R
320
2kJ
C
317
O
pen
C
320
O
pen
C
334
O
pen
D
301
1SS133
KEY323
NM2
K
C
313
O
pen
C
319
O
pen
Q
306
KR
C
106S
1
2
3
C
318
O
pen
KEY310
PSW
R
314
100J
KEY315
NM7
K
C
336
O
pen
R
311
100J
KEY319
NM5
K
IC
303
74H
C
238
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
A
1
B
2
C
3
G2
B
5
G2
A
4
G1
6
KEY308
NM0
K
R
321
2kJ
C
304
O
pen
KEY321
CAK
R
338
1kJ
C
335
O
pen
R
318
33J
R
339
10kJ
KEY306
MA
GK
KEY320
NM6
K
R
341
2kJ
D
302
1SS133
C
312
0.
1u
BZ301
PS1720P02
1
2
R
337
1kJ
R
340
2kJ
C
315
47pF
KEY302
CASK
R
319
2kJ
R
310
100J
KEY317
NM9
K
R
343
2kJ
C
321
0.
1u
R
336
1kJ
R
312
100J
C
316
O
pen
KEY316
NM8
K
KEY324
NM3
K
KEY303
DUPK
R
317
1kJ
KEY304
ESTK
R
342
2kJ
R
308
100J
C
309
O
pen
C
310
O
pen
KEY313
UPK
C
314
O
pen
R
313
100J
C
311
O
pen
KEY322
NM1
K
R
316
1kJ
KEY301
MODK
IC
302
74H
C
151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
KEY312
DW
K
C
337
O
pen
KEY307
ASTK
KEY305
EXMODK
KEY311
MENUK
KEY314
ENTK
R
307
100J
R
315
1kJ
R
309
100J
D
303
1SS133
5V
5V
5VEN
KEYSC1
KEYSC2
KEYSC3
KEYI
N
SELI
N
3
SELI
N
2
SELI
N
1
PSW
F-
KEYSC2
F-
KEYSC3
F-
KEYSC1
F-
KEYI
N1
F-
KEYI
N2
F-
KEYI
N3
F-
KEYI
N4
F-
KEYI
N5
F-
KEYI
N6
F-
KEYI
N7
F-
KEYI
N8
BZR
2/
3
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1