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1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
A3
Date:
16-Oct-2002
Sheet of
File:
C:\Protel Files\CDTRAX\CD6264-1.DDB Drawn By:
R23
10K
R22
10K
R21
22K
R16
4K7
IC6
LM741
R5
8K2
C5
47u
D4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
IC1
16C54
IC4B
IC4A
V1
R1
1K8
R2
220R
R7
47K
R13
4K7
R10
18K
R3
1M
RN
1A
10K
RN
1B
10K
RN
1C
10K
RN
1D
10K
D1
D2
D3
C18
22P
C21
22P
XT1
R4
100R
C6
100u
IC5
R12
2K7
C7
.47u
R14
22K
C8
.47u
R17
10K
R6
10K
R11
10K
R18
10K
D5
R15
100K
V3
BC546
R19
10K
D7
R20
100R
D6
C9
.1u
RY1
IC2
LM78L09
IC3
LM78L05
R8
10R
R9
100K
C1
47u
C4
47u
C3
47u
C10
.1u
C2
.1u
C11
.1u
C12
4u7
C57
100u
ACM604 TONE GEN
9VDC
1
1
CD6264-1
11
10
9
X1
5
4
3
2
1
9VDC
15VDC
X2/1
RS
TONE OUT
MUTE
VDD 5VDC
9VDC
LM358
LM358
4VDC
2V7
EVAC
BELL
ALERT
PRE AN
COM
NO
NC
GND
GND