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CasetheCorvetteman



Joined: 09 Nov 2008
Posts: 6326
Location: Australia

Posted: Tue Mar 19, 2013 12:34 am    Post subject:

gjaky wrote:
Now, that could be an attempt to convert a barco to a normal projector Laughing Those are basic features on a NEC from the begining (~1992).

Yes they are, its a very comprehensive system Wink
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Decibel



Joined: 31 May 2007
Posts: 904
Location: Roma - Italia

Posted: Tue Mar 19, 2013 11:02 am    Post subject:

Decibel wrote:
I've notice these differences between DTV1100 / BG1209s

Defl. coil+switch
R7621385 / R762457

Focus board
R7625035* / R762271

Horiz. defl.
R76226715* / R7621085

Vert. defl.
R762637** / R7621127 (sub board R7621127s is the same)

G2 board
R763014** / R762120

Motherboard
R762941** / R7627591 or R7627581

Splitter + EHT are newer version and are the same as BG1209s
Quad is older version but works.
All boards into convergence tray and SMPS board*** are the same as BG1209s
The controller board is the same but, obviously, different firmware and RWI.

*: same as BG808s
**: unknown
***: in my Runco the SMPS board was replaced. So I don't know if his serial number is the same of genuine Runco.


The tests continue ...

Defl. coil+switch
R7621385 / R762457
Swappable!

Horiz. defl.
R76226715* / R7621085
Swappable!

Vert. defl.
R762637** / R7621127 (sub board R7621127s is the same)
Swappable!

G2 board
R763014** / R762120
Swappable!

So NOW the projector work with the same hardware of BG1209s except focus board and firmware+RWI
I tried to install BG1209s firmware and RWI (also only RWI or only firmware) but the projector not work, i think because the focus board is incompatible.
Unfortunately I don't have R762271 focus board for try to complete the conversion.

The issue of the pulsating brightness on blue tube (with or without source connected) for now not fix Crying or Very sad

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Domenico (Barco fan!)
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Decibel



Joined: 31 May 2007
Posts: 904
Location: Roma - Italia

Posted: Thu Mar 21, 2013 9:51 am    Post subject:

Noise from EHT board in bright images Fixed!
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Domenico (Barco fan!)
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Decibel



Joined: 31 May 2007
Posts: 904
Location: Roma - Italia

Posted: Sat Mar 23, 2013 8:45 am    Post subject:

Decibel wrote:

Focus board
R7625035* / R762271


Well today I checked that also the focus boards above are swappable.

The pulsating brightness (on the blue tube) is reduced and retrace lines (all tubes) are completely disappeared Shocked
Now I seek a R762271 latest version because what I put is very very old.
If someone have one, pm me thanks

Decibel wrote:
NOW the projector work with the same hardware of BG1209s except focus board and firmware+RWI


With the inclusion of the focus board, my Runco have SAME hardware of BG1209s
But when I swapped the firmware the projector won't work Confused Confused Confused

Really strange thing Question Question Question Question

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Domenico (Barco fan!)
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