Logic Chart - Sams 26-3134 Technical Service Data

LOGIC
CHART
(Continued)
PIN
IC
PIN
IC
PIN
IC
IC IC
IC IC
IC IC IC
NO. 13 NO.
13 NO.
14 15 16 17 18 19
20
21
1
P
13
P
1
*
*
*
*
*
* * *
2
P 14 P 2
P P P P
P
P P P
3 P 15 P 3
P
P
P P P P P P
4
P
16
P
4
P
P
P P P P
P
P
5
p
17 P 5
P P
P
P P P P P
6 P
18
P 6 P P P P P
P
P P
7
P
19
P
7
P P
P P
P P P P
8 P
20
P 8 H H H H H H H H
9
P
21
P
9
P P
P
P P P P
P
10 P 22 P 10
P
P P P P P
P P
11
P
23
P
11
P P P P
P
P
P
P
12
L
24 H 12
P
P
P
P P P P P
13 13 P P P P P P P P
14
14 P P P P
P
P
P
P
15 15
P P P P P P P P
16
16
L
L L L L L L L
PIN
IC
PIN
IC
NO. 22 NO. 22
1
P
21 P
2
P 22 P
3 P 23 P
4
P 24 P
5
P
25
P
6
P
26 P
7
P
27
P
8
P 28 P
9
P
29
P
10
P
30
P
11
P
31
P
12
P 32 P
13 P
33
P
14
P 34 P
15
P
35
P
16
P 36 P
17
P 37 P
18
P
38 P
19
P 39 P
20 L
40
H
Logic Probe Display
L
= Low
H
=
High
P=
Pulse
*
= Open
(No
light
On)
Note: Logic probe
readings taken with
computer
turned
On, no keys pressed, unless otherwise noted.
16