TM 11-6625-2638-30
Table 2-3. Test Set Troubleshooting - Continued
STEP
PROCEDURE
NORMAL INDICATION
ABNORMAL INDICATION
CORRECTIVE ACTION
29
Use DVM to measure resistance between J1-EE and J5-B.
Less than one ohm.
One ohm or more.
Check wiring (para 2-12).
30
Set MODE switch to SCAN B.
31
Use DVM to measure resistance between J1-HH and J5-B.
Less than one ohm.
One ohm or more.
Check wiring (para 2-12).
32
Place POWER switch to ON.
AC and DC POWER lamps on.
33
Use DVM to verify logic levels between J5-B () and the following connector pins with
corresponding CODE switch settings.
NOTE
1 = 3.0 vdc min.
0 = 0.5 vdc max.
- = any
J1-p
CODE
J1-X
J1-Y
SWITCH
1
1--
1
1
1
2--
o
1
1
3--
1
0
4--
1
0
0
5--
1
1
0
0
6--
0
1
7--
1
0
0
0
8--
0
0
2-12
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