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#11450 - 03/08/17 09:30 AM
DM800HD works for a bit
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VIP Japhar
journeyman
Registered: 09/01/15
Posts: 77
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I have a DM800HD which boots up fine works for a bit then signal disappears have tried different tuners that are ok in other box's! I'm thinking a overheating problem would you agree or is there something else I can try?
Looking on top of cpu the cooling plate us hollowed out and on wonky I was thinking of removing and fitting a better one do you think this may help?
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#11451 - 03/08/17 09:32 AM
Re: DM800HD works for a bit
[Re: sailsy]
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Japhar Member
Carpal Tunnel
Registered: 10/21/10
Posts: 2649
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Keep the cpu cooling on the chip, don't remove it. The fan on top of it really doesn't do a difference. Check with Johnny, he will for sure tell you, http://www.jb8a8f8.com/TS
_________________________
DM8000, DM800se, DM500HD, DM800HD, DM7025, DM7020s, DM7000, DM500s VU+ Solo, VU+ Uno, VU+ Duo, Kathrein UFS910 Tivusat, TNTSat, Fransat, SSR/TSR, BBC1-2-3/ITV DE-OpenBlackHole 1.4 image : http://www.openblackhole.com/
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#11456 - 03/08/17 04:13 PM
Re: DM800HD works for a bit
[Re: sailsy]
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VIPF Japhar
enthusiast
Registered: 03/08/15
Posts: 218
Loc: Netherlands
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Just, as a test cool the cpu with a external fan.
If that works, build one in it.
However when you build a fan into a dm800hd, do not use the fan connector because it ballast the voltage circuit.
Better is to connect a 12v fan to the 12v input connector and to reduce the speed use a dc to dc converter or build a fan controller by yourself.
See google with searching to fan controller schematic.
_________________________
Doing nothing leads to nothing. ------------- Please note, for technical support ------------- Will be given here, or on the jb8a8f8 forum and I prefer it in English. Johnny B. Click on the banner if you like to go there.. 
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