T-1054(P)/GRC-144(V) and T-1054 (P)A/GRC-144(V) Troubleshooting Chart-continued

TM 11-5820-695-35

Item No.

Symptom

Probable trouble

Corrective action

24 RADIO REPEATER OPERA-

a. Defective wiring in electrical

a. Use the T-10 U4/OFR-144 inter-

TION indicator not lighted

equipment cabinet 1A15.

connecting diagram (fig. 5-16)

and standard radio repeater

and TS-352 B/U to check con-

operation is being used.

tinuity of wiring between pin 2

of connector 1A15W27XA1B and

indicator assembly 1A1XDS28.

b. Indicator assembly 1A15XDSZ

b. Replace indicator anembly

defective.

1A16XDS2s (fig. 5-15).

CABLE TERMINAL OP-

a. Defective wiring in electrical

a. Use the T-1014/GR-144 inter-

ERATION indicator not

equipment cabinet 1A15.

connecting diagram (fig. 615)

lighted and standard cable

and TS452 B/U to check con-

terminal operation is being

tinuity of wiring between pin

used.

2 of connector 1A15WT7XA1B

and indicator assembly

1A15XDSZ2.

b. Indicator assembly 1A16XDS22

b. Replace indicator assembly

defective.

1A16XDS22 (fig. 3-5).

26 Meter indication for MODU-

Defective wiring or component in

Perform the plate assembly 1A16

LATOR OUTPUT, FREQ

plate assembly 1A16.

checks (para 3-10c, sections 5

CONTROL CTR FREQ,

and 6).

or FREQ CONTROL OUT-

PUT meter selector switch

position not in its color

band.

27 Meter indication for TRAF-

a. Meter calibration required ------------------a. Calibrate the T-1054/GRC-144

FIC meter selector switch

traffic metering circuit (para

position not in orange band.

3-60).

b. Defective wiring in plate assembly

b. Perform the corrective action

1A16.

given for-item No. 18 in this

chart.

28 Meter indication for SYN-

a. Defective wiring in electrical

a. Perform the electrical equipment

THESIZER meter selector

equipment cabinet LAI1.

Cabinet1A1S checks (para

switch position not in yellow

3-11c, section 8).

band.

b. Electrical equipment chassis

b. Replace electrical equipment

1A14A10 defective.

chassis 1A14A10 (para 3-1).

29 Meter indication for AMPI,

a. Meter calibration required-------------------- a. Turn meter selector switch to

MULT meter selector

SYNTHESIZER If meter in-

switch position in yellow

dication is not in yellow band,

band.

perform the corrective action

given for item No. 28 in this

chart If meter indication is In

yellow band, calibrate the

AMPILMULT metering cir-

cuit (pare 3849).

b. Defective wiring in plate assembly

b. Perform the plate assembly 1A16

1A16.

checks (para 3-10c, section 7).

c. Coaxial cable lA16W16 defective-----------c. Check coaxial cable 1A1SW16

(fig. 3-13) by substitution.

d. Coaxial circulator 1HY1 defective---------- d. Replace coaxial circulator 1HY1

(para 3-28).

30 Meter indication for 2ND

a. Meter calibration required-------------------- a. Turn meter selector switch to

MULT meter selector switch

AMPI-PLMULT. If meter indi-

position not in yellow band.

cation is not in yellow band,

perform the corrective action

given for item No. 29 in this

chart. If meter indication is in

the yellow band, calibrate the

2ND MULT metering circuit

(para 3-59).

b. Coaxial circulator 1HY1 defective----------- b. Replace coaxial circulator 1HY1

(para 3-28).

CHANGE 6 3-8