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Author Topic: DEFENDER 'reverse'  (Read 3761 times)

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smartbomb2084

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DEFENDER 'reverse'
« on: August 19, 2020, 11:58:03 am »
Does anyone have an original Red Label ROM Defender cabinet where the 'reverse' button works 100% of the time?

THANKS in advance.
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bobbyb13

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Re: DEFENDER 'reverse'
« Reply #1 on: August 20, 2020, 03:12:18 am »
Is yours flaky?

Not trying to be obnoxious (honestly) but why would it not work all the time unless the switch was failing?

Glitchiness myabe?
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Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

smartbomb2084

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Re: DEFENDER 'reverse'
« Reply #2 on: August 20, 2020, 09:05:05 am »
REVERSE works about 98% during play and seemingly 100% of the time during Switch Test Mode.

I have changed the Interface Board Ribbon Cable and its Capacitor .  I reflowed the solder and cleaned the header pin connections and also removed and punched down the wires into the IDC Connector with the proper tool.

I have seen this issue on two original cabinets and boardsets and on a third boardset that is in a rescued black painted ROBOTRON Cabinet I was using to play DEFENDER with a STARGATE Control Panel.

I can't remember if back in 1981 that this REVERSE issue was present or not which is why I am looking for other Original Cabinet owners for input either way...
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smartbomb2084

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Re: DEFENDER 'reverse'
« Reply #3 on: August 21, 2020, 02:12:59 pm »
If anyone is curious...Here is the problem and the fix for this issue...

https://www.jbgaming.co.uk/info/defender-reverse-problem/
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Mike A

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Re: DEFENDER 'reverse'
« Reply #4 on: August 21, 2020, 02:17:48 pm »
That is interesting. I will have to pay attention next time I play defender on my cab.
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Gilrock

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Re: DEFENDER 'reverse'
« Reply #5 on: August 21, 2020, 03:38:34 pm »
Its coded that way on purpose just to make the game even more of a pain in the ass.
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Mike A

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Re: DEFENDER 'reverse'
« Reply #6 on: August 21, 2020, 05:38:30 pm »
That sounds plausible.
Defender is an ---uvula---.
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