TB 9-6625-151-40
(12) Set TI SW1 Tube Select switch to first position in table 7.
(13) Connect a test lead to TI J5 FIRE DIRECT (center conductor) and measure
resistance to first test point listed in table 7. MULTIMETER will indicate as listed.
(14) Repeat technique of (12) and (13) above for remaining SW1 Tube Select
settings, J1 test points and limits in table 7.
Table 7. Continuity J5-Ctr to J1-x.
Tube select
Test point
Max Ω
SW1
J1-pin
1
A
0.5
2
B
0.5
3
C
0.5
4
D
0.5
5
E
0.5
6
F
0.5
7
G
0.5
8
H
0.5
9
J
0.5
10
K
0.5
11
L
0.5
12
M
0.5
13
N
0.5
14
P
0.5
15
R
0.5
16
S
0.5
17
T
0.5
18
U
0.5
19
V
0.5
(15) Set TI S5 to position listed in table 8.
(16) Measure resistance between connector TI J2 pin Z (center pin) and first test
point listed in table 8. MULTIMETER will indicate as listed.
(17) Repeat technique of (15) and (16) above for J2-Z and remaining S5 settings, test
Table 8. Continuity J2-Z to Jx Chassis Ground.
S5
Test point
Max Ω
Switch position
Ground ring on Jx
Chassis ground
J3
0.5
Chassis ground
J4
0.5
Chassis ground
J5
0.5
Chassis ground
J6
0.5
Chassis ground
Case screw
0.5
Off (up)
J3
0.5
Off (up)
J4
0.5
Off (up)
J5
0.5
Off (up)
J6
0.5
Off (up)
Case screw
Open
(18) Set TI S5 to Chassis Ground (down). Set S6 to 7 Tube position.
7