SET YOUR VOM TO THE WDCV
SCALE AND CONNECT IT ACROSS
P2-l (+) AND P2-7 (-) ON THE
POWER SUPPLY. USE THE
ILLUSTRATION BELOW FOR
REFERENCE.
NO
I
I
NO
LEVEL BETWEEN
30 AND 40VDC
YES
LEVEL MISSING
REPLACE POWER
SUPPLY BOARD
LOWER LEFT-HAND
CORNER OF WWER
SUPPLY SOAR0
NOTE
If you replace 02. first remove power to the ET as
follows:
s Disconnect batteries first.
l
Disconnect AC last.
After you replace 02, reverse this sequence to
apply power to the ET.
FOLLOW FIELD
PROCEDURE IN
GENERAL SERVICE
LElTER #14-83
POWER/BATTERY FAIL Trouble
FIGURE 4C
21
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