REPLACEMENT OF PRINTED CIRCUIT BOARDS

TM 11-6625-2884-30/NAVAIR 16-35TS3615-2

REPLACEMENT

(1) Position replacement -15 V dc Power Supply PS4 (7) and bracket (6)

on RF modulation assembly.

(2) Fasten PS4 to power supply bracket, using pan head screw and lock-

washers (4).

(3) Fasten hold down bracket (6) to RF modulation assembly, using pan

head screw and lockwasher (4).

(4) Solder 115 Vac input wires (2) and two output wires (3) to Power

Supply PS4, observing dc polarity.

(5) Reinstall caution plate (1), with five pan head screws, lock-

washers and flat washers.

(6) Replace RF modulation assembly in BTS as in paragraph 3-32b.

REPLACEMENT

PRINTED

CIRCUIT

BOARDS

Replace either or both printed circuit boards in 1A3 or 1A4,

3-38.

CCA, Pulse Generator 1A3/1A4-A1

CCA, CS and Pulse Control 1A3/1A4-A2

as follows.

REMOVAL

a. Perform the following steps.

CAUTION

Disconnect all cables from rear of unit before

retracting it from case.

(1) Disconnect cables from rear of 1A3/1A4 as follows: