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2
3
4
5
6
7
I
9
r 0
1 1
l 3
t 4
l 5
l 6
1 ?
l 8
l 9
20
2 1
4 2
4 l
4 0
39
3 7
36
a Â
34
33
3 2
3 1
30
29
28
21
25
24
23
22
lCl (Tuner Gircuit), 1C607: sPD7538
R E S E T
c L l
c L 2
VPRE
VLoAD
P53
P52
P51
P50
P23
P22
P2ltPTOUr
Pl03
P t 0 2
P t 0 1
P l 0 0
P 1 1 3
P 1 1 2
P l l 1
P i l 0
vDD
vss
P00llNT0
P0r /scK
PO2lSO
P03/Sl
P30
P31
P32
P33
P40
P4l
P42
P43
P80
P 8 1
P82
P83
P90
P9r
P92
P9:t
Por/-R Po2lso ru/sl
lC4: M74LS42 (lndicator Circuit)
INPUTS
1C601,602:
M4066BP
lG2: MSL9l2RS (lndicator Circuit)
lG3: At{6873 (lndicator Circuit)
o u T r
ouT2
ouT3
OUT4
o u T 5
ouT6
ourl
O U T ô
IN/OUT <+
I OUT/IN .e
2OUT|IN €
2rN/ouT .<+
2 C r N +
3Ctl +
vss
<-
lCtN
- 4 C t N
H
4IN/OUT
H
4OUT/|N
H
3OUT/|N
<+
3|N/OUT
-P23
22-É
4 )
l3'tG
a )
t7'20
l N t
l N r
l N r
l N o
l N s
l N o
l N r
l N a
o
1 2 3
4
5
6
7 I 9
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