TM11-6625-441-34
Table 3-2. Troubleshooting of Test Set, Radio TS- 1588A/AIC Continued.
Probab/e cause
Corrective action
Malfunction
Same as step 3.
4. Repeat of step 3 except TRANS-
Same as step 3.
MITTER SEL switch S5 is in
positions 2, 3, 4 and ALTN.
Replace lamp.
Lamp 13
5. KEY ON lamp 13 fails to light
Replace lampholder.
Lamp holder
when SIGNAL switch S6, is held
Replace switch.
Switch S6
in HD MIC, and remaining
Replace switch.
switch positions as in step 3.
Switch S5
Replace switch.
Switch S2
Repair or replace wiring.
Wiring
Same as step 5.
Same as step 5.
6. Same se step 5 except OUTPUT
SEL switch S2 is placed to I, C,
and T, end remaining switches as
in step 5.
Same as step 5.
7. KEY ON lamp 13 fails to light
Same as step 5.
when SIGNAL switch S6 is held
in HD MIC, with OUTPUT SEL
switch at T. TRANSMITTER
SEL switch S5 in 4, 3, 2, and 1.
Replace lamp.
Lamp 13
8. KEY ON lamp 13 fails to light
Replace lampholder.
when RECEIVER SEL switch S4
Lampholder
Replace switch.
is in positions 1 through EMER,
Switch S5
Replace switch.
with TRANSMITTER SEL
Switch S4
Repair or replace wiring.
Wiring
switch S5 in 1.
Replace lamp.
9. KEY ON lamp 13 fails to light
Lamp 13
Replace lampholder.
when RECEIVER SEL switch S4
Lampholder
Replace switch.
is OFF, OUTPUT SEL switch S2
Switch S5
is in R, INPUT SEL switch S3 is
Replace switch.
Switch S3
Repair or replace wiring.
in 1, and TRANSMITTER SEL
Wiring
switch S5 is in 1.
Replace switch.
10. KEY ON lamp 13 fails to go out
Switch S3
Repair or replace wiring.
and remain out when switches are
Wiring
as in step 10 and INPUT SEL
switch S3 is in R and T.
Replace lamp.
11. SELF TEST lamp 12 fails to go
Lamp 11
out and OPERATE lamp 11 fails
Replace lampholder.
Lampholder
Replace relay.
Relay K 1
to light when test cable connector
P1 is disconnected from SELF
Wiring
Repair or replace wiring.
TEST RECEPTACLE J8.
12. OPERATE lamp 11 fails to go
Switch S7
Replace switch.
out when POWER-OFF switch S7
Wiring
Repair or replace wiring.
is in OFF.
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