Casio QW-5311 - Testing and Diagnosis Procedures

QW-5311
– 19 –19 ––
8. TESTING: MODULE QW-5311
8-1. MEASURING CURRENT CONSUMPTION
Ifirregularityofcurrentconsumptionissuspected,measurethecurrentconsumption.
•Condition
 Short-circuittheMPandVSSterminalsusingametalobjectlikeastaple.
MPterminal
VSSterminal
staple
tape
Useastablepowersourceandanammeter.
 ConnectthepositiveelectrodetotheTERMINAL/BATTERY(+)5219,thenegativeelectrodeto
 theCIRCUITSUPPORTER5311.
V
(
_
)
(
+
)
A
TERMINAL/BATTERY(+)5219
CIRCUITSUPPORTER5311
1) Applyavoltageof2.5.
2) PerformAC.(Referto“5-2AC”onP5.)
3) Shieldthedialfromlight.
4) Measurethecurrentwithinoneminute.