Electra bearcat IV - Technical Charts and Logic; Voltage Charts (ICs and Transistors); Logic Chart for Operation

VOTTAGE CHARI
The Voltage
Chart
may
be
used as an approximate
guide
in following circuit operation or locating a defective stag
You
should be
familiar
with the entire manual before attempting measurements.
INTEGRATED
CIRCUIT VOLTAGES
TRANSISTOR
VOLTAGES
LOGIC CHART
The
logic
sequence for counting is shown
by
"0"
under .5v
and
"l
"
over 4v. I.C.-6
pins
8 and
9
(*)
change
state on each
movement,
up or
down,
of
the
"Manual-Scan"
Switch.
IC
No. I
2 3 4 5 6
7
8 9
PIN
1
2
3
4
5
6
7
8
9
10
1l
t2
l3
t4
1.4
GND
r.45
GND
11.6
t2
t2
GND
x
x
x
x
x
x
1.4
GND
r.45
0
10.5
ll
10.2
0
x
x
x
x
x
x
5.6
3.4
0
1.4
t.4
1.4
GND
GND
.15
1.5
NC
3.4
t2
6.2
0
6
6
GND
NC
6
t2
NC
x
x
x
x
x
x
8
NC
GND
NC
GND
.6
0
1.3
NC
6.4
NC
t5.2
NC
15.6
NC
5.2
5
NC
.2
5.2
GND
5
.l
t.6
6
5
6
6.2
NC
5
.t
NC
.l
5
GND
5
.l
NC
5
5
NC
6.2
.1
.l
t2
.1
5
t2
GND
.2
5
5
t2
5
.l
5.2
5
5
t2
5
.t
t2
GND
t2
.l
.l
t2
.l
5
.2
Channel
No.
I selected.
COI.JNT
I.
C.
No. PIN
I
2 3 4 5 6
7
8
6
5
6
8*,
9*
0000lltl
llrr0000
rlllllll
00000000
01010101
10101010
r1001100
00ll00tl
0lltllll
l0ltllll
rr0lllll
lllOtttl
llll0lll
lllll0ll
llllll0l
lllllll0
7
5
6
8
9
9
8
ll
6
3
8
3
6
ll
8
TEST CONDITION
Q
No.
E
B
c
L(HUr)
LH/ur
NO XTAL/XTAL..
LH/UT
LUT/H
SQLJELCH,CWCCW
SQUELCH
CW/CCW
SQIJELCH CW/CCW
MAN/SCAN
MAN/SCAN
LHi{n
LUT/H
Ql
2
3
4
5
8
9
l0
ll
l2
t3
t4
t5
r6
t7
l8
l9
20
2l
22
QO
Q7
2.3
.8
GND
GND
t2.o
t2.0
3.4
.2s
lr.2
t2
lt.7
t2
GND
GND
.007/.0003
GND
014
t2
5.4
5.4
15.6
3
1.5
.7
0lo7
rt.4
rr.3lrr.6
3.8
.9
rr.9lrr.3
r2lrr.3
.41.7
.7
l.M
.081.7
0
6
t2
6
6
l5
12.0
I1.0
6.0
t2:0
r2.ol0
t2
r2lrr.8
0lt2
0l12
.7
l.M
.08/10.s
GND
6
0
.0s/4.0
t2
l5
t2
D
s Gt G2
11.8/0
tl
GND
GND
0
0
4
01.7
*Tuning
Voltage
-
varies
with
crystal frequency.
-9-