TM 11-5820-803-12
SECTION II MAINTENANCE ALLOCATION CHART
FOR
MODEM, DIGITAL DATA - PHASE SHIFT KEYING MD-921/G - Continued
(1)
(2)
(3)
(4)
(5)
MAINTENANCE CATEGORY
TOOLS AND
GROUP
COMPONENT/
MAINTENANCE
EQUIPMENT
CODE
ASSEMBLY
FUNCTION
C
O
F
L
D
020122
Dump Circuit, A2A1A2A7
(Same as FGC 020119)
020123
Quantizer, A2A1A2A8
(Same as FGC 020118)
020124
Timing and AGC, A2A1A2A9
Inspect
0.1
Test
0.3
6, 8, 13,
15, 16
Adjust
0.3
6, 8, 13,
15, 16
Replace
0.1
17
Repair
0.1
25
020125
Phase and Loss of Lock Detector
Inspect
0.1
A2A1A2A10
Test
0.1
34, 35
Replace
0.1
17
Repair
0.1
25
020126
Loop Filter, A2A1A2A11
Inspect
0.1
Test
0.1
34, 35
Replace
0.1
17
Repair
0.1
25
020127
D/A Converter, A2A1A2A12
Inspect
0.1
Test
0.1
34, 35
Replace
0.1
17
Repair
0.1
25
C-9
