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Can I replace a 0 Ohm resistor with a 1K Ohm resistor?
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Date: Mon, 8 Oct 2012 20:24:48 -0700 (PDT)
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Subject: Re: Can I replace a 0 Ohm resistor with a 1K Ohm resistor?
From: calabri...@yahoo.com
Cc: s...@flippers.com
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On Monday, October 8, 2012 11:24:09 PM UTC-4, (unknown) wrote:
> On Monday, October 8, 2012 11:18:13 PM UTC-4, John Robertson wrote:
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> > calabri...@yahoo.com wrote:
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> > > On Monday, October 8, 2012 8:49:32 PM UTC-4, (unknown) wrote:
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> > >> On Monday, October 8, 2012 7:40:18 PM UTC-4, (unknown) wrote:
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> > >>
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> > >>> I tested the w4 resistor (0 Ohm 1/4 watt) on my earthshaker and it =
appears bad.
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> > >> What are you seeing that you think a 0 Ohm resistor (jumper) is bad?=
??
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> > >> Mamushka
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> > > Pop bumpers and shaker motor stopped working. Grounded the solenoids=
but to no avail. Jumped power to the solenoids and they worked. Tested t=
he resistors and w4 had a different reading than w1 through w5. I replace=
d w4 (0 Ohm resistor) with a lead but still not working.
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> > And the machine is?
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> > Interesting list of tests - grounding the coils didn't work, but they=
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> > would work when you provided alternate power? Have the coils got power=
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> > when the game is powered on? Should be anything over 24VDC. Should see=
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> > the same voltage at the tabs of the driver transistors.
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> > If no voltage then you have a power issue, fuse, wiring, connectors,=20
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> > check if there is a solenoid power defeat switch by the front door hing=
e...
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> > John :-#)#
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> > --=20
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> > (Please post followups or tech enquiries to the newsgroup)
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> > John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
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> > Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)
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> > www.flippers.com
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> > "Old pinballers never die, they just flip out."
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> No voltage to the coils unless alternate voltage provided. Fuses good, w=
iring good, replaced the J11 connector. I will check the tabs tomorrow am.
Earthshaker.