4-20. REPLACEMENT OF TRANSISTOR Q1. Continued
e. Mounting pad
f. Transistor Q1
Install mounting pad (7) on audio amplifier See figure 4-7.
Replace insulation sleeving. Using soldering Before and after soldering,
kit, solder tagged wires to correct leads of clean wires and leads with
replacement transistor. Remove wire tags.
alcohol and cotton swabs.
Using cross tip screwdriver, install two re-
tained screws (1), Iockwashers (2), flat
washers (3), terminal lug (4), and two
insulating washers (6) securing transistor
to audio amplifier chassis (8).
Access cover (2)
See figure 4-5. This was
removed in step b.
Refer to paragraph 4-19 for
access cover installation
4-21. REPLACEMENT OF CONNECTOR J9.
Flat tip screwdriver
Paragraph 4-19 for removal and installation of access cover.
a. Mounting adapter
Set on work surface with right side
b. Access cover (2)
c. Protective cap (12)
Remove protective cap (12) from
defective connector J9 (9).
d. Connector J9 (9)
Using 7/8-inch socket and socket wrench,
remove and discard nut (11) securing
protective cap retainer (10) and connec-
tor J9 (9) to audio amplifier chassis (8).
Disassemble connector. Slide insulator
back on wires to expose solder connec-
tions. Using soldering kit, tag and desolder
wires from connector J9. Remove and
discard defective connector J9.
See figure 4-5. Refer to
paragraph 4-19 for access
cover removal procedures.
See figure 4-7.
A replacement nut is
supplied with replacement