Re: TOTAN Ramp Magnet Coil and Ramp Divertor Problem

Sorry, the table did not work. I put it on my web site at:

http://pvillepinball.com/TOTANCoils.asp

Thanks
Michael

"Michael Belofsky" <mbelofsky@xxxxxxxxxxxx> wrote in message
news:W7SdneRf5v76LVTeRVn-iQ@xxxxxxxxxxxxxxx
> Martin:
> I think c and d are backwards.
>
> Here is a table with all the tests. Hopefully it will display correctly
> when you open it.
>
>
> Fuse 104 Blown
> Fuse 104 Replaced
>
> Attract Mode (door closed)
>
> Magnet Connected
>
> Ground R55 (Ramp Diverter) Coil 21
> Coil 21 fires and releases
> Coil 21 fires and releases
>
> Attract Mode (door closed)
>
> Magnet Connected
>
> Ground R117 (Ramp Magnet) Coil 8
> Coil 21 fires and releases
> Coil 8 pulses (LED 105 flickers)
>
> Test Mode (door open)
>
> Magnet Connected
>
> Test Coil 21 (Ramp Diverter)
> Coil 21 fires and releases
> Coil 21 fires and releases
>
> Test Mode (door open)
>
> Magnet Connected
>
> Test Coil 8 (Ramp Magnet)
> Coil 21 fires and releases
> Coil 8 pulses (LED 105 flickers)
>
> Attract Mode (door closed)
>
> Magnet DISCONNECTED
>
> Ground R55 Ramp Diverter) Coil 21
> Coil 21 fires and STAYS ENERGIZED (Need to turn off machine
> immediately)
> Coil 21 fires and releases
>
> Attract Mode (door closed)
>
> Magnet DISCONNECTED
>
> Ground R117 (Ramp Magnet) Coil 8
> Nothing
> Nothing
>
> Test Mode (door open)
>
> Magnet DISCONNECTED
>
> Test Coil 21 (Ramp Diverter)
> Coil 21 Fires and Stays ENERGIZED until I stop pressing coil door
> buttons
> Coil 21 fires and releases
>
> Test Mode (door open)
>
> Magnet DISCONNECTED
>
> Test Coil 8 (Ramp Magnet)
> Nothing
> Nothing
>
>
>
> I also manually moved the diverter with the magnet connected and
> disconnected and the fuse blown and new fuse (4 tests), the diverter
> manually moved back to the resting position.
>
> The two questions I have are:
> 1. Why would disconnecting the magnet affect ramp diverter? I though these
> were on two totally different circuits.
> 2. Since the LED105 flickers and gets dim for the split second that the
> magnet pulses, and then in game play the fuse 104 is blown, does this mean
> there is a bad magnet? I did order one today. Would a new magnet solve the
> fuse blowing problem?
>
> Thanks
> Michael
>
>
> "martin" <martin.reynolds@xxxxxxxxx> wrote in message
> news:1137284833.531081.112990@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> But none of this explains why the diverter fired when you activated the
>> magnet connection. The magnet and transistors are all presumed innocent
>> until we figure that one out.
>>
>> I am really thinking P/D board here.
>>
>> next step is to check the voltage at the banded end of the clamp diodes
>> for coil 8 and coil 21. These are the diodes associated with TIP36C
>> output transistors. They should be 70V with the fuse in, almost nothing
>> with the fuse out (for coil 8).
>>
>> I am expecting to see something at the diode for coil 8 with the fuse
>> out.
>> Here's the distillation:
>>
>> a) Both drivers appear to work because we can fire them by grounding
>> the resistor
>> b) Driver 8 also fires coil 21 with the magnet connected but no magnet
>> fuse in place
>> c) Magnet connected, coil 21 fires but does not release
>> d) Magnet disconnected coil 21 fires and releases
>> e) Magnet fuse is OK until magnet fires, then blows.
>>
>> on b) does coil 21 fire when you activate the driver for coil 8 but the
>> magnet is disconnected?
>> With the machine on and magnet connected, if you manually move the
>> diverter over does it stick until you open the coin door? This would
>> indicate a current flow through the magnet to the diverter coil.
>>
>
>


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