TM 11-6625-3081-23
7-30. PROGRAMMABLE PULSE GENERATOR (PPG)
7-30
INPUT CODE: PPGTST (cont)
b. REPLACEMENT PROCEDURE REFERENCE
The following list provides a cross reference of replacement items to
replacement procedures.
The item column identifies the item to be replaced by
reference designation and part number.
The reference column identifies the
procedural paragraph used to perform the replacement action. The VDT screen will
display the proper sequence of repair/replace actions.
Item
Reference
(Ref Des/Part No.)
(Para No.)
2A2A6XX (SLOT 406)/69331B
2-46
2A2A7A6A8/13083050-19
2-51
2A2A7A6A9/13081467-19
2-51
2A2A11XX (SLOT 400)/69433A
2-57
c. PROGRAMMABLE PULSE GENERATOR FAILURE
1. VDT DISPLAY
PROGRAMMABLE PULSE GENERATOR FAILED TEST.
PERFORM THE FOLLOWING REPLACE
ACTIONS IN THE ORDER LISTED.
(REFERENCE TM 11-6625-3081-23 FOR REPLACEMENT
PROCEDURES.)
REF. DES.
PART NO.
NAME
1. 2A2A7A6A8
13083050-19
PULSE GENERATOR CCA #1
2. 2A2A7A6A9
13081467-19
PULSE GENERATOR CCA #2
3. 2A2A6XX
HP69331B
DIGITAL OUTPUT CCA (SLOT 406)
4. 2A2A11XX
HP69433A
RELAY READBACK CCA (SLOT 400)
20 CORRECTIVE ACTION - PPGTST
(a) Remove Pulse Generator CCA #1 2A2A7A6A8.
Check contacts of mating
connectors and repair if required.
Install replacement 2A2A7A6A8 and
perform PPGTST test.
If PPGTST test passes, no further action
required.
If PPGTST test fails, proceed to (b).
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