ISAK.M Posted September 4, 2023 Report Share Posted September 4, 2023 I just picked up a 1.6 Xbox and it does not turn on. Whenever I hit the power button there is 3.3V, 5V and 12V all present for about 1 second then nothing. All standby voltages are good too. Idk whats wrong. Quote Link to comment Share on other sites More sharing options...
Marty Posted September 4, 2023 Report Share Posted September 4, 2023 Have you opened it up and looked at the board? Has there been any work done on it previous? Quote Link to comment Share on other sites More sharing options...
trencherfield Posted September 4, 2023 Report Share Posted September 4, 2023 If you have another V1.6 console around, first thing and possibly easiest, is to just swap the power supply for another 1.6 supply. (Do not use any other version, only a 1.6 PSU) If the symptoms persist, then you know it's on the motherboard. This would then possibly indicate an inspection of the capacitors on the board. Quote Link to comment Share on other sites More sharing options...
TinkerMods Posted September 4, 2023 Report Share Posted September 4, 2023 1 hour ago, ISAK.M said: I just picked up a 1.6 Xbox and it does not turn on. Whenever I hit the power button there is 3.3V, 5V and 12V all present for about 1 second then nothing. All standby voltages are good too. Idk whats wrong. If the caps on the mobo aren't bad then you might have a bad PSU, just because you get voltage out for a second doesn't mean the PSU is working. The exception to this is if you or someone else has done work on the motherboard and damaged it. Unfortunately there is no way of knowing for sure until you replace something and see what happens. I would start with replacing the power supply since it would be cheaper. You can also find a 1.6 power supply for the original Xbox here: https://www.tinker-mods.com/buy-replacement-parts/original-xbox/power-supplies/original-xbox-1-6-power supply.php Luckily they are still sold cheaper here than you'll find on eBay. Quote Link to comment Share on other sites More sharing options...
ISAK.M Posted September 4, 2023 Author Report Share Posted September 4, 2023 Well I could just get another Xbox for that price to be completely honest. I do have a 1.4 PSU that is known working, is there any way of using a 1.4 PSU in a 1.6? Quote Link to comment Share on other sites More sharing options...
UltimateMe Posted September 4, 2023 Report Share Posted September 4, 2023 I recognize this behavior when the caps around the CPU are bad. So check them, even when they are very, very lightly bulged, it's an issue. Quote Link to comment Share on other sites More sharing options...
KaosEngineer Posted September 4, 2023 Report Share Posted September 4, 2023 2 hours ago, ISAK.M said: Well I could just get another Xbox for that price to be completely honest. I do have a 1.4 PSU that is known working, is there any way of using a 1.4 PSU in a 1.6? NO! 1 Quote Link to comment Share on other sites More sharing options...
ISAK.M Posted September 5, 2023 Author Report Share Posted September 5, 2023 It looks like this: https://imgur.com/a/EjSsplZ Quote Link to comment Share on other sites More sharing options...
Marty Posted September 5, 2023 Report Share Posted September 5, 2023 4 hours ago, ISAK.M said: It looks like this: https://imgur.com/a/EjSsplZ Yeah....they're toast. Quote Link to comment Share on other sites More sharing options...
KaosEngineer Posted September 6, 2023 Report Share Posted September 6, 2023 7 hours ago, ISAK.M said: It looks like this: https://imgur.com/a/EjSsplZ Bad caps on the motherboard. All 5 of those 3300 microFarad 6.3Vdc low-ESR electrolytics need to be replaced. Quote Link to comment Share on other sites More sharing options...
ISAK.M Posted September 6, 2023 Author Report Share Posted September 6, 2023 10 hours ago, KaosEngineer said: Bad caps on the motherboard. All 5 of those 3300 microFarad 6.3Vdc low-ESR electrolytics need to be replaced. So if I replace those it will boot? How can u tell they are bad just from this slight buldging? I guess these caps are supercheap so there is no reason not to replace them all too? If not how do I go about measuring each to see which one is faulty? Quote Link to comment Share on other sites More sharing options...
ISAK.M Posted September 6, 2023 Author Report Share Posted September 6, 2023 Would 5 of this one work: https://www.digikey.se/en/products/detail/panasonic-electronic-components/EEU-FS0J332/7381215 Quote Link to comment Share on other sites More sharing options...
ISAK.M Posted September 6, 2023 Author Report Share Posted September 6, 2023 Oh actually shipping costs a fortune if I would buy from that site so tell me if one of these are good instead: https://www.electrokit.com/produkt/upw0j332mhd-3300uf-6-3v-105c-o12-5x25/ https://www.elfa.se/sv/radiell-elektrolytkondensator-3300uf-207-9ua-3v-02a-panasonic-eca0jm332/p/16725604?trackQuery=cat-DNAV_PL_03020103&pos=649&origPos=3&origPageSize=50&track=true&filterapplied=filter_Kapacitans%7E%7EuF%3D3300%26filter_M%C3%A4rksp%C3%A4nning DC%7E%7EV%3D6.3 https://www.elfa.se/sv/radiell-elektrolytkondensator-3300uf-207-9ua-3v-18a-panasonic-eeufs0j332/p/30108269?trackQuery=cat-DNAV_PL_03020103&pos=662&origPos=4&origPageSize=50&track=true&filterapplied=filter_Kapacitans%7E%7EuF%3D3300%26filter_M%C3%A4rksp%C3%A4nning DC%7E%7EV%3D6.3 Quote Link to comment Share on other sites More sharing options...
UltimateMe Posted September 6, 2023 Report Share Posted September 6, 2023 18 hours ago, ISAK.M said: It looks like this: https://imgur.com/a/EjSsplZ Exactly what I've said in my previous post. 4 minutes ago, ISAK.M said: Oh actually shipping costs a fortune if I would buy from that site so tell me if one of these are good instead: https://www.electrokit.com/produkt/upw0j332mhd-3300uf-6-3v-105c-o12-5x25/ https://www.elfa.se/sv/radiell-elektrolytkondensator-3300uf-207-9ua-3v-02a-panasonic-eca0jm332/p/16725604?trackQuery=cat-DNAV_PL_03020103&pos=649&origPos=3&origPageSize=50&track=true&filterapplied=filter_Kapacitans%7E%7EuF%3D3300%26filter_M%C3%A4rksp%C3%A4nning DC%7E%7EV%3D6.3 https://www.elfa.se/sv/radiell-elektrolytkondensator-3300uf-207-9ua-3v-18a-panasonic-eeufs0j332/p/30108269?trackQuery=cat-DNAV_PL_03020103&pos=662&origPos=4&origPageSize=50&track=true&filterapplied=filter_Kapacitans%7E%7EuF%3D3300%26filter_M%C3%A4rksp%C3%A4nning DC%7E%7EV%3D6.3 The last one is the best. The first one doesn`t state the ripple, the second has a way to low ripple, the last one has an "okay" ripple current. Quote Link to comment Share on other sites More sharing options...
ISAK.M Posted September 6, 2023 Author Report Share Posted September 6, 2023 3 minutes ago, UltimateMe said: Exactly what I've said in my previous post. I was going to quote u to show what they looked like but forgot so it just became a normal post. 5 minutes ago, UltimateMe said: The last one is the best. The first one doesn`t state the ripple, the second has a way to low ripple, the last one has an "okay" ripple current. Alright ordering that then. Quote Link to comment Share on other sites More sharing options...
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