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Apple macintosh ii.iix.iifx Service Manual

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 Additional Procedures
Battery Verification - 2
 
Safety.
Set the voltmeter to the 10 
volts DC scale.
1 Hold the positive probe 
of the voltmeter to the 
positive end of the 
battery (marked “+” 
on the logic board) and 
the negative probe to the 
negative end of the 
battery. 
2 If the battery voltage is 
below 3.2 volts, replace 
the battery. Refer to 
“Battery Replacement” 
in this chapter.
Negative
Probe
Positive
Probe