DocktaCake Posted March 26, 2016 Share Posted March 26, 2016 (edited) So I have done a lot of research on this but haven't found a solution. I bought an Atari 5200 off of eBay. Later, I bought a box that was labeled as tested and 100% working. I didn't have a power supply though, so I used one of a similar output to the 5200. The light on the 5200 came on but no signal on the TV nor did I hear a click from the box. I found a really cheap 5200 on eBay, so I bought it, plugged it in, same result. I have tried multiple cartridges. Any tips? Edited March 26, 2016 by DocktaCake Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted March 26, 2016 Share Posted March 26, 2016 Few question I have since I have to be honest, you're description of the issue or issues is slightly confusing: You said you later bought a box? What box? Box for what? You state you don't hear the clicking, so I'm guessing you have a 4 port model with the funky auto switchbox? Quote Link to comment Share on other sites More sharing options...
bohoki Posted March 27, 2016 Share Posted March 27, 2016 the janky auto switchbox has a normal/standby switch make sure its on normal Quote Link to comment Share on other sites More sharing options...
0078265317 Posted March 27, 2016 Share Posted March 27, 2016 Plus an official 5200 supply helps. Ebay one. The one you are using maybe close but not close enough. Not supplying enough power to your 5200. Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted March 27, 2016 Author Share Posted March 27, 2016 Yes, I meant the switch box. I also have tried to change the mode from standby to on, but to no avail. Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted March 27, 2016 Share Posted March 27, 2016 I've had a few like that. Usually what happens is that a power spike etc takes out the transistor that is inside the switch box. Pretty easy to replace actually. Quote Link to comment Share on other sites More sharing options...
0078265317 Posted March 29, 2016 Share Posted March 29, 2016 (edited) Here is a good deal. Take it. 28 minutes left. http://www.ebay.com/itm/Vintage-Atari-5200-Power-Supply-AC-Adapter-Model-No-DV9319A-Great-Condition-/152026920204?hash=item236582b50c:g:Cr8AAOSwZ8ZW5Lb2 Edited March 29, 2016 by 0078265317 Quote Link to comment Share on other sites More sharing options...
0078265317 Posted March 29, 2016 Share Posted March 29, 2016 Or here better deal and no bidding. http://www.ebay.com/itm/Atari-Power-Supply-for-Atari-Game-Console-CX-5200-Power-Adaptor-Model-DV9319A-/222058033930?hash=item33b3b0b30a:g:LBwAAOSwQItUBhIL Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted March 29, 2016 Author Share Posted March 29, 2016 Thanks. I will buy a replacement power supply. If that doesn't work, I will post on here again asking for advice. Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 1, 2016 Author Share Posted April 1, 2016 (edited) No luck . No image on the screen, no clicking sound with either system. The LED on the console is on though. I think it's the switch box. Unfortunately, I bought it a year ago so can't return it... Later I'll get my ohms meter to test the parts of the switch box to see where the issue may be. Edited April 1, 2016 by DocktaCake Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 1, 2016 Author Share Posted April 1, 2016 I have seen some other people with this issue. What component in the switch box is likely the culprit? Quote Link to comment Share on other sites More sharing options...
zylon Posted April 2, 2016 Share Posted April 2, 2016 (edited) The little IC inside the box tends to fail. They can be had cheaply on ebay or electronics supply houses. LM393P is the replacement Edited April 2, 2016 by zylon Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 8, 2016 Author Share Posted April 8, 2016 Just got my multi-meter and tested every component in the unit. Everything seems to be working. I don't know what the problem could be at this point. Quote Link to comment Share on other sites More sharing options...
BigO Posted April 8, 2016 Share Posted April 8, 2016 I'm guessing it's possible to test the switchbox without having the 5200 plugged into it. If true, you could measure to see if the box is feeding the required voltage out through the RF connector where the console hooks up. Quote Link to comment Share on other sites More sharing options...
BigO Posted April 8, 2016 Share Posted April 8, 2016 The little IC inside the box tends to fail. They can be had cheaply on ebay or electronics supply houses. LM393P is the replacement If that op-amp is a common failure, I should check out the stash of broken boxes I got when I bought a pile of dead 5200/CX53/switchboxes several years ago. That's an easy fix. Seems like people are looking for functional switchboxes now and then. I should set some of these loose into the wild. Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 8, 2016 Author Share Posted April 8, 2016 I did find this http://www.atarihq.com/5200/5200faq/04_14.html. If I can't get it to work I may just build this. Still trying to find the issue though. No click. Maybe I am not testing the fuse right? I am not very good at testing these. I will try plugging the unit back in. Maybe last time I was doing something incorrectly. Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 9, 2016 Author Share Posted April 9, 2016 So I plugged it in, inserted Joust, turned the unit on, and nothing. I flicked the switch to standby and what do you know, I heard a click! I switched it back, and click! No picture on the screen though. I turned the unit off and turned it back on, and now I don't hear a click, even when changing it to standby. Now none of my tvs switch to channel 2. Maybe it's on channel 2? Is there a way to switch this? Quote Link to comment Share on other sites More sharing options...
BigO Posted April 9, 2016 Share Posted April 9, 2016 My two port has a selector switch. I just tested it: Circle=channel 3 Square=channel 2 Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 9, 2016 Author Share Posted April 9, 2016 It was on the wrong channel. I changed it and- nothing. I haven't heard the click since I mentioned it last time. I either imagined it or the relay worked until I turned the console off, and then stopped working again. I am so lost. I have no idea what to do at this point. I don't know if it is the console, switchbox, or something else :/ Quote Link to comment Share on other sites More sharing options...
chas10e Posted April 9, 2016 Share Posted April 9, 2016 I have a 4 port model with the switchbox I lost picture for awhile & discovered it must have been a dirty cart slot .... could also be a bad game cart I'm using it on an old CRT as well , I'm not sure if your on a newer TV or not I believe there is a channel selector on the switchbox & mine only works on channel 3 oh it says "standby" & "normal" .... ONLY works on "normal" Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 9, 2016 Author Share Posted April 9, 2016 (edited) I have tried multiple carts. I have another system, I may try it with that, but I think it has to do with the switchbox. Also the TV is a newer TV but works with my 2600 and Odyssey fine so it should work with the 5200. Edited April 9, 2016 by DocktaCake Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 9, 2016 Author Share Posted April 9, 2016 I am thinking I'll just sell all my 5200 stuff. I have been collecting for years and I have never had a system not work like these do. I don't know what the issue is! It could be the box or the units. Does anyone know what it could be? Quote Link to comment Share on other sites More sharing options...
chas10e Posted April 9, 2016 Share Posted April 9, 2016 there is a "power mod" that can be done but I have never tried it myself my switchbox clicks as you have said ... had to put my ear right on the thing ... I'm supposing you get no red LED on the console now also I recall needing to clean the barrel that would plug into back of TV , I used 90 % rubbing alcohol ... I use the same stuff on cart edge connectors & while wet I slip in & out of console to clean the cart slot the 5200 it definatly a collectors system to be tinkered with ... I hope you get it going Quote Link to comment Share on other sites More sharing options...
DocktaCake Posted April 10, 2016 Author Share Posted April 10, 2016 I ended up just buying a 2 port model. It has an issue though, it can't power off. I will post a new thread when I get it for tips on fixing it. Also, if anyone is interested I will take offers for my 4 port model with the switchbox. Quote Link to comment Share on other sites More sharing options...
BigO Posted April 10, 2016 Share Posted April 10, 2016 I ended up just buying a 2 port model. It has an issue though, it can't power off. I will post a new thread when I get it for tips on fixing it. Also, if anyone is interested I will take offers for my 4 port model with the switchbox. I've seen threads for that issue. I'd give it a good thorough search before starting a new thread. Pretty sure you'll find some answers. My memory is nothing like perfect, but I recall reading that it's sometimes a flip-flop IC that fails. I think it was a 4013. Quick search turns up: http://atariage.com/forums/topic/239854-my-5200-dont-turn-on http://atariage.com/forums/topic/152841-5200-no-longer-powers-on Quote Link to comment Share on other sites More sharing options...
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