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Author Topic: sanwa 29e31S dead  (Read 2634 times)

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RichSorr

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sanwa 29e31S dead
« on: June 27, 2011, 04:49:02 pm »
I have another one of these that died over night.

Its from a sega extreme hunting 2, no glow in the neck, no noises at power up. Fuse is good. I pulled the chassis out to check for anything obvious but do not see anything. Any ideas as where to start?
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grantspain

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Re: sanwa 29e31S dead
« Reply #1 on: June 28, 2011, 02:29:42 pm »
start with the HOT
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RichSorr

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Re: sanwa 29e31S dead
« Reply #2 on: June 29, 2011, 08:27:17 pm »
sorry, thought i had put that in the initial post. checked HOT out with the meter, seems good
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RichSorr

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Re: sanwa 29e31S dead
« Reply #3 on: June 29, 2011, 08:28:53 pm »
also, im pretty sure this monitor failed while being ON over night
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MonMotha

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Re: sanwa 29e31S dead
« Reply #4 on: June 29, 2011, 09:22:50 pm »
Looks like this has a SMPS.  Is the power supply running at all?  Output voltages reasonable?

Manual in this BYOAC thread.
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RichSorr

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Re: sanwa 29e31S dead
« Reply #5 on: June 30, 2011, 03:13:40 pm »
I can't make use of those schematics one bit...

I need to check out the ps, its tough to reach in there and not bump into things. Theres also a plate that covers the entire bottom of the board.
I might be sending this thing out if I can't come up with a fix soon.
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RichSorr

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Re: sanwa 29e31S dead
« Reply #6 on: July 01, 2011, 06:00:32 pm »
i have power coming out of the bridge...i cant find a way to see if theres anything coming off the large transformer after that with the monitor in the machine..

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RichSorr

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Re: sanwa 29e31S dead
« Reply #7 on: July 04, 2011, 08:55:58 am »
Ok, so I finally was able to have two of these next to each other and compare readings..I found d821 open. Im going to order a fmlg14s along with a cap kit...anything else I should check out or replace just to be safe....
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