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Posts posted by Vbruno305
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Just now, TGB1718 said:
I think the first step is to re-seat any chips that are socketed and the RAM and CPU boards, just
to eliminate any possible corrosion causing problems.
Are you happy to open it up and do this sort of thing ?
Very comfortable...I've been an IT Tech for 25 years, and I mod video game systems...i just do not know what to do here ..i also already reseated the boards so I will do the chips next
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On 10/9/2017 at 5:02 PM, vipah said:
Hey!
Well this morning I decided to pull the ROM chips as a last attempt (before seeing this reply) and lo and behold? Blue memo pad screen. It looks like it was the CO14599A (R3279-11) chip all along. Appreciate the response. Your card is working perfectly and helped me resurrect this system.
Thanks again!!
I am having this problem with a stock 400 when you pulled the C014599A chip did you just leave it out or did you have a replacement? This has been very frustrating for me.
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I live in Florida..I would probably use Bests Electronics because I would rather have NEW OLD STOCK if possible
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And how would i check it under load, pull the cover off and test the terminals on the plug with it on?
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Yes...but its Amazon if ot doesnt do it ill send it back for my $13...got to love the return policy
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Bought! I hope this is the issue
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Tested the supply and its putting out 11.2vac so its over powered. So i guess i will need a proper Atari power supply
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I understand that..but the screen shot is from the link in last message is straight from Amazon where I bought it...I was just trying to understand where you got the ac dc from... someone else responded that the green screen is a problem woth the ram or rom card....i do appreciate the advice
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I bought it about 6 years ago and didnt have a ps so it sat in a tub while I worked on other projects. I really didnt want it but since I haven't gotten an XL or XE I decided to get a PS for it. So lets take the PS out of the equation what else can it be or is there an AV mod that may bypass this issue? Also where can I get a good PS for it, Best Electronics?
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The description does not say anywhere in there that it is AC-DC but it does say 9-12 V in the pic. That being said could it just be that it is under powered?
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VoltxAmps=Watts so it 9watts
Also I do not know who to test for AC vs DC volts using a multimeter
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SpoilerSpoilerSpoilerSpoiler
So based on the conversation calculator VxA=Watts fo 9vac 1amp is 9 watts so its probably low
This one. T POWER Compatible with 9VAC AC-ONLY: Atari CO17945 400, 800, 810, 850, 1010, 1050, 1200XL Replacement AC Adapter Switching Power Supply Cord Charger https://www.amazon.com/dp/B077PFTXGR/ref=cm_sw_r_apan_i_9Q09V7ZVY64HDA5MCY9G?_encoding=UTF8&psc=1
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SpoilerSpoilerSpoilerSpoiler
This one. T POWER Compatible with 9VAC AC-ONLY: Atari CO17945 400, 800, 810, 850, 1010, 1050, 1200XL Replacement AC Adapter Switching Power Supply Cord Charger https://www.amazon.com/dp/B077PFTXGR/ref=cm_sw_r_apan_i_9Q09V7ZVY64HDA5MCY9G?_encoding=UTF8&psc=1
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My 400 that I got a few years back and never turned on until now only displays a green screen. Is there a AV mod or fix for this. I have an aftermarket PS for it could that be the issue?
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Thanks....
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I have 4 Original Xboxs, 2 have K4D263238F-QC50 ram chips and 2 have K4D263238M-QC50. I can get better deal on the "F" ram..Are they interchangeable? meaning can I install the "F" chips on the xbox's with the "M" ram?
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Im having no luck installing addons in to xbmc4xbox 3.5.3 is it even possible? All the tuts I found say to go to system then addons which doesnt exist. I did install this on a pc and it was there but not on the xbox version...any advise?
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Thanks...can you send me that link?
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Is it possible to mount a second hdd in a tsop xbox removing the dvd? Dont need permanent replacement want to copy my f partition to put on other xboxs and xplorer360 sucks and the xbrowser with xboxhdm i cant mount a 2nd drive of format.
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Ok Bad new for me....the XBOX that I deleted the hdd accidentally is a ver 1.6 by the chart http://www.informit.com/articles/article.aspx?p=367210&seqNum=2on Table 3.4...my video chip is an Xcalibur...so I guess the only thing I can do with this one is put ion a mod chip and build a new hdd...
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I am going to try a few of your suggesions..especially the TSOP flash., I am actually about to make a eeprom reader I found on saturday here http://www.instructables.com/id/XBox-EEPROM-ReaderWriter/ I bout the diodes and resister yesterday so I can extract the info from the board.
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None are 1.6. I accidently wiped the original hard drive to one of these. My problem is i have not been successful using xboxhdmv1.9 to lock the drives so the will boot. They lock fine but not with a password that the xboxes can open. While chimp2.6.8 locks and unlocks perfectly bur again neither of these will run chimp properly. One of them will boot chimp with no video making it useless and the other will boot chimp with fatx missing from the selections. I have made paperweights out of 5 hdds using xboxhdm to lock them.
Atari 400 Green Screen
in Atari 5200 / 8-bit Programming
Posted
I pulled every chip on the ram and rom cards and all chips on the motherboard used detoxit on both the sockets and the chip pins, replaced all chips and inspected them for proper seating after I air dried everything and the same result, Green Screen and if I flip the power on and off I will get a very grainy memo pad or if the only cart i have is in I can kinda make out basketball court. FRUSTRATING...i even tried adjusting the knob on the rom card all that did was take the green screen to blue or red