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mhalsan
Joined: 09 Nov 2007
Posts: 146
Location: Astoria, Oregon
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| Posted: Sat Jan 12, 2008 1:03 am Post subject: Focus Board Mods for Marquee - Anyone heard of these? |
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I found some older threads on the other site regarding mods made to Marquee focus boards by someone named Chris Stephens. Does anyone know more about this? There wasn't much more said about it. I found a website by an individual by that name, but I haven't actually been able to get ahold of anyone.
Thanks, Mark
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CZ Eddie
Joined: 23 Mar 2006
Posts: 1601
Location: Austin, TX
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| Posted: Sat Jan 12, 2008 2:18 am Post subject: |
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Your focus board is already slightly modded with higher value caps per Chris Stephens suggestions but without tantalums. Modding the focus board doesn't produce any heavy gains in performance from what I've seen. The changes are somewhat less noticeable than modding areas like the HVPS and LVPS which are recommended, after the VIM & VNB's have been modded.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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CZ Eddie
Joined: 23 Mar 2006
Posts: 1601
Location: Austin, TX
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| Posted: Sat Jan 12, 2008 2:58 am Post subject: |
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Hi Athansios, I look forward to hearing about all your mods whenever you are finally done with everything. 
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garyfritz
Joined: 08 Apr 2006
Posts: 12088
Location: Fort Collins, CO
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| Posted: Sat Jan 12, 2008 3:58 am Post subject: |
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I don't think he ever will be. By the time he finishes every single mod, his caps will already be aged and ready for replacing again. 
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Sat Jan 12, 2008 4:34 am Post subject: Marquee mod fever! |
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| garyfritz wrote: | | I don't think he ever will be. By the time he finishes every single mod, his caps will already be aged and ready for replacing again. |
Isnt that the truth! have you seen how many mods there are for the Marquees! plus it deosnt help that i look at each board and associated schematics look at the components that the video path goes through or any other parts that may send "noise" to the video path then scour the chip makers catalogs looking for a newer better version of the chips! I am Addicted! So far i have done fan mods , just go done with the hd144 lens' with the old style mounting plates,and the ceramic resistor mods to the HVPS and the neck boards. the back ground noise when looking into the tubes on all white field went down . but the bigest reduction of that noise was my installation of the 2035-03p Vim, not modded. If you dont have this Vim look for one! worth the 400 clams i paid for it.The board i had in before was an old 2005-03p that had max 4224 chips on it, it had some smearing that i think was cause by it not having the right feedback resistors that should go with that chip.
Athansios
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