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Coin mech problem
grantspain:
if you used a mechanical mech then you use the com a and one of the accept lines
com a is the coin switch common
acc is the +12volts
ground is the voltage common
all the a1,a2 etc are the coin accept switch lines a4 being the lowest value coin
all the i1 etc are the inhibit lines for each coin
i could really do with a pic of your mech so i can without doubt id the correct pinouts
wyld_mann:
Here is the sentinel.
grantspain:
i think your best bet is to get this mech repaired as it only probably needs recalibrating,a couple of things to check first to prove its the mech at fault
+12 volts is good
all the acc lines at around +5 volts
all the inh line at around +1 volt
if all the above check out then its almost certainly the mech at fault