TM 11-6625-539-14-4
14.
Lock washer
1. Setscrew
27.
Variable resistor R15
40.
Flat washer
15.
Flat washer
2. Knob
28.
Variable resistor R13
41.
Screw
16.
Nut
3. Setscrew
29.
Variable resistor R35
41.
Lock washer
17.
Toggle switch S5
30.
Screw
4. Knob
43.
Flat washer
18.
Nut
31.
Lock washer
5. Nut
44.
Bracket
19.
Lock washer
32.
Standoff spacer
6. Red test jack J1
45.
Printed circuit board
20.
Flat washer
33.
Bracket
7. Black test jack J2
46.
Captive screw
21.
Nut
34.
Bracket
8. Yellow test jack J3
47.
Lock washer
22.
Toggle switch S4
35.
Screw
9. Screw
48.
Flat washer
23.
Nut
36.
Lock washer
10. Nut
49.
Front panel
24.
Lock washer
37.
Meter assembly
11. Lock washer
25.
Flat washer
38.
Nut
12.Transistor socket X1
26.
Lock washer
39.
Lock washer
13. Nut
7-12. Maintenance of Printed Circuit Board
across circuit paths on the board. This can cause
a. Remove the printed circuit board for mainte-
circuit path cracks that result in hard-to-locate
nance as described in paragraph 711a.
defects of the equipment.
b. Replace printed circuit board components
e. Printed circuit board installation is described
only if troubleshooting indicates that they are
faulty.
f. Circuit connections between the board and
c. Take care to prevent overheating heat-sensi-
other electronic components are illustrated in fig-
tive components when soldering them to the
ure 7-5.
printed circuit board. Use a heat sink between the
g. Identification of printed circuit board compo-
component. and the solder connection when in-
nents is provided in figure 7-6. To locate a particu-
stalling these components.
