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F-41
TROUBLESHOOTING & REPAIR
F-41
DC POWER SUPPLY TEST (continued)
NA-5
CHECK POINT TEST CONNECTOR LEAD NO. NORMAL
LOCATION DESCRIPTION PLUG PIN NO. ACCEPTABLE
VOLTAGE
READING
PROCEDURE CHECK +15VDC PLUG J19 515 +
PC BOARD SUPPLY FROM PIN 5 +
J19 CONNECTOR LOGIC BOARD 14.0 - 16.0 VDC
PLUG TO PLUG J19 500 -
PROCEDURE BOARD PIN 15 -
VOLTMETER CHECK +5VDC TEST POINT
1.
TP5 +
BOARD SUPPLY TP5 +
PRODUCED 4.75 - 5.25 VDC
ON THE
VOLTMETER TEST POINT
1.
LEAD 510P -
BOARD 510P -
SPEEDMETER CHECK +5VDC TEST POINT
1.
TP5 +
BOARD SUPPLY TP5 + 4.75 - 5.25 VDC
PRODUCED
ON THE TEST POINT
1.
LEAD 510P -
SPEEDMETER 510P -
BOARD
TABLE F.1 DC POWER SUPPLY CHECKS (continued)
500 -
515 +
1.
Scrape encapsulation from test points.
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