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. . .
. '."
,
TEST
NUMBERS
Set SW3 and SW4 to the ON position.
a.
pre-set value.
b.
Rotate RVl
the supply trips out; indicated by the voltmeter reading going
t o
This voltage should be between 5.3 and 5.16
Rotate RVl a few degrees clockwise, switch SW3 and SW4 OFF.
After 5 seconds switch SW3 and SW4 ON and readjust
that the voltmeter reads 5.10 volts.
Rotate SW1 to position 6.
8.
Voltage should be in range 5.1 to 5.7 volts.
Return SW1 to position 1.
With SW2 in position 1 press and release push button, the
a.
lamp should go on and then go off.
b.
Repeat a further 10 times with SW2 in positions 2 thru 11.
Rotate SW2 to position 12,
C .
d.
Repeat
2 and 3 respectively.
Return SW2 to position 1. .
e .
10.
Remove board and apply a small quantity of sealant on RVl
taking care not to disturb the adjustment of RVl.
11.
a.
Clean the contacts. of the board.
b.
Paint colored stripe on board over its serial number.
.
to position 5.
SW1
slowly anti-clockwise noting the point at which
z e r o , the LED going out and the relays releasing.
PROCEDURE
LDPS-BOARD
TEST
ROUTINE
pressing push button will cause
in positions 13 and 14, activating RL's
. .
Meter to read previously
volts.
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