Daniels Electronics Ltd. VT-3A130-SYD410 Manuel d'instruction - Page 13

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4.3

Frequency Select Handle Schematic Diagram

+5Vdc
R2
R3
10K0
10K0
1
2
SW1
3
Up
4
1
2
SW2
3
Down
D1
D2
4
BAS16
BAS16
1
2
SW3
3
Option
4
HIGHEST REFERENCE DESIGNATORS
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UNUSED REFERENCE DESIGNATORS
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DANIELS
ELECTRONICS LTD.
Frequency Select Handle Instruction Manual
+5Vdc
R5
10K0
D3
D4
BAS16
BAS16
X1
C1
8 MHz
22pF
+5Vdc
R9
10K0
+5Vdc
U2
PDSP1881
15
Vcc
D7
D0
A4
30 29 28 27 26 25 21 20
10 6
5
2
R8
10K0
1
+5Vdc
U1
16C63A
20
Vcc
/CE
11
Rc0
/RD
12
Rc1
/WR
13
Rc2
14
Rc3
15
Rc4
16
Rc5
17
Rc6
18
Rc7
9
OSC1
10
OSC2
C2
22pF
MCLR
Gnd
1
8
+5Vdc
R4
6K81
+5Vdc
C5
100nF
+5Vdc
C3
22uF
R7
10K0
DANIELS
ELECTRONICS LTD.
TITLE:
FREQUENCY SELECT HANDLE SCHEMATIC DIAGRAM
DATE: 01 December 99
DWG No: FSH3M2B
BOARD No: 50088-04
16
18
GND
/RD
/FL
A0
/WR
/CE
/RST CLS CLK
4
3
13 19 14 2
1
11
12
+5Vdc
+5Vdc
21
Rb0
22
D0
Rb1
23
D1
Rb2
24
D2
Rb3
25
D3
Rb4
26
D4
Rb5
27
D5
Rb6
28
D6
Rb7
2
A0
Ra0
3
A1
Ra1
4
A2
Ra2
5
A3
Ra3
6
A4
Ra4
7
Ra5
Gnd
19
+5Vdc
R1
10K0
U3
78L05
3
1
OUT
IN
GND
C4
2
100nF
R6
D5
D6
0R0
BAS16
BAS16
APRVD:
DWN BY: Paul Ellis
DWG REV DATE:
BOARD REV: V 04
J1
J2
Sin
J3
Sout
J4
Power Up
J5
VICTORIA B.C.
4-3