https://wiki.pcbs.com.au/index.php?action=history&feed=atom&title=PCB_Repair_Logs_Missile_Command
PCB Repair Logs Missile Command - Revision history
2026-04-26T20:14:32Z
Revision history for this page on the wiki
MediaWiki 1.44.2
https://wiki.pcbs.com.au/index.php?title=PCB_Repair_Logs_Missile_Command&diff=2649&oldid=prev
Brad at 04:12, 6 February 2013
2013-02-06T04:12:14Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:12, 6 February 2013</td>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><th scope="row" style="text-align:left; white-space: nowrap;">Manufacturer</th></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><td class="" style="">[[PCB_Manufacturers_Atari|Atari]]</td></ins></div></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td class="" style=""><del style="font-weight: bold; text-decoration: none;">Reserved</del></td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td class="" style=""><ins style="font-weight: bold; text-decoration: none;">[[PCB_Pinouts_missile_command|Missile Command]]</ins></td></div></td></tr>
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Brad
https://wiki.pcbs.com.au/index.php?title=PCB_Repair_Logs_Missile_Command&diff=998&oldid=prev
Brad at 20:41, 22 August 2012
2012-08-22T20:41:14Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 04:41, 23 August 2012</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><th scope="row" style="text-align:left; white-space: nowrap;">PCB Image</th></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><th scope="row" style="text-align:left; white-space: nowrap;">PCB Image</th></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td class="" style="">[http://wiki.aussiearcade.com.au/index.php/File:Pcb_repair_missile_command_1.JPG Missile Command <del style="font-weight: bold; text-decoration: none;">PCB</del>]</td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td class="" style="">[http://wiki.aussiearcade.com.au/index.php/File:Pcb_repair_missile_command_1.JPG Missile Command]</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></tr></div></td></tr>
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Brad
https://wiki.pcbs.com.au/index.php?title=PCB_Repair_Logs_Missile_Command&diff=997&oldid=prev
Brad at 20:40, 22 August 2012
2012-08-22T20:40:47Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 04:40, 23 August 2012</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><th scope="row" style="text-align:left; white-space: nowrap;">PCB Image</th></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><th scope="row" style="text-align:left; white-space: nowrap;">PCB Image</th></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td class="" style=""><del style="font-weight: bold; text-decoration: none;">[</del>[http://wiki.aussiearcade.com.au/index.php/File:Pcb_repair_missile_command_1.JPG Missile Command PCB<del style="font-weight: bold; text-decoration: none;">]</del>]</td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td class="" style="">[http://wiki.aussiearcade.com.au/index.php/File:Pcb_repair_missile_command_1.JPG Missile Command PCB]</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></tr></div></td></tr>
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</table>
Brad
https://wiki.pcbs.com.au/index.php?title=PCB_Repair_Logs_Missile_Command&diff=996&oldid=prev
Brad at 20:40, 22 August 2012
2012-08-22T20:40:35Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 04:40, 23 August 2012</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><th scope="row" style="text-align:left; white-space: nowrap;">PCB Image</th></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><th scope="row" style="text-align:left; white-space: nowrap;">PCB Image</th></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td class="" style=""><del style="font-weight: bold; text-decoration: none;">reserved</del></td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td class="" style=""><ins style="font-weight: bold; text-decoration: none;">[[http://wiki.aussiearcade.com.au/index.php/File:Pcb_repair_missile_command_1.JPG Missile Command PCB]]</ins></td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></tr></div></td></tr>
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Brad
https://wiki.pcbs.com.au/index.php?title=PCB_Repair_Logs_Missile_Command&diff=524&oldid=prev
Brad: Created page with "== Missile Command == <p><table class="infobox vevent" style="width:22em;" cellspacing="5"> <caption class="summary" style=""><b>Missile Command</b></caption> <tr class="> <t..."
2012-08-15T04:18:06Z
<p>Created page with "== Missile Command == <p><table class="infobox vevent" style="width:22em;" cellspacing="5"> <caption class="summary" style=""><b>Missile Command</b></caption> <tr class="> <t..."</p>
<p><b>New page</b></p><div>== Missile Command ==<br />
<br />
<p><table class="infobox vevent" style="width:22em;" cellspacing="5"><br />
<caption class="summary" style=""><b>Missile Command</b></caption><br />
<tr class="><br />
<td colspan="2" class="" style="text-align:center;">[[Image:marquee_missile_command.jpg|200px]]</td><br />
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'''Repairer:''' [http://www.aussiearcade.com.au/member.php/59-Prof Prof]<br><br />
'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/4723-Missile-Command Missile Command PCB Repair]<br><br />
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OK, won a Missile Command off ebay, description said parts pcb, but anyway. <br />
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OK Recieved the pcb, quick look, missing the crystal 3 eproms 2 eprom sockets and the cpu. <br />
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Burnt 3 new roms and installed 2 sockets, put a good cpu and crystal in, changed all the 4116 rams (I bought a few nos off ebay) Fired it up, yellow screen.<br />
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OK, time to have a better look, ended up straighting all the pins on the back of the pcb that where touching, tried again, now a white screen and reseting, better.<br />
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Try the test mode, goes into it, give a rom 2 error sometimes. Verfy the rom, nothing, resolder the socket, nothing. <br />
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Check the rom addressing ciruit, found a bad 74ls42 at N2 and a bad 74ls153 at F3. Changed with new chips, voila, working Missile Command <br />
But, seems to have the yello background missing, odd, will get the schematics and have a look.<br />
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Okay, found the problem with the missing yellow mountains, bad 7474 at A7, replaced with a good one and now running 100% <br />
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'''Repairer:''' [http://www.aussiearcade.com.au/member.php/133-GameDude GameDude]<br><br />
'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/10302-Missile-Command-Atari Missile Command PCB Repair]<br><br />
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Started of by making a basic harness, nothing more than +5 +12 -5 and GND and the RGB and sync.<br />
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[[File:Pcb repair missile command 1.JPG]]<br />
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This board needs all voltages for the notorious 4116 memory. Powered on to a rather pathetic red screen, I noted that the screen also had dots that slowly disappeared as the PCB warmed up.<br />
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[[File:Pcb repair missile command 2.JPG]]<br />
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Started by checking the clock and since there was no crystal I installed one with no real change to the fault except now the watchdog resets.<br />
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Checked a few of the roms and repaired badly corroded legs... still no change although the bad rom connections would not help so it was a step forward.<br />
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Since the ram had a high chance of being bad based on the observation of the screen when first turned on I desoldered and socketed all 4116 ram and inserted known good memory as I will test the 4116 later when the rest is fixed.<br />
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Tried again and now get a nice solid red stripped screen no dots.<br />
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Decided to stick it on the fluke to see what was happening, system bus test OK but RAM and ROM test returned instant failures. Since the bus test was OK I moved onto the memory address decoders and probed around the associated IC's. The 7442 at N2 was not outputing on any output so I piggybacked a 74LS42 and BINGO! the MISSILE COMMAND attract screen came up.<br />
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[[File:Pcb repair missile command 4.JPG]]<br />
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[[File:Pcb repair missile command 3.JPG]]<br />
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OK now desoldered the bad 7442 and replaced I checked the 4116 ram that was originally in the PCb and found one was bad.<br />
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[[File:Pcb repair missile command 5.JPG]]<br />
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[[File:Pcb repair missile command 6.JPG]]<br />
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Now with a working PCB I wired up the rest of the harness and attached a 2.5inch trackball, since there is no onboard amp for the audio I decided to make an audio probe. Basically the audio probe is nothing more than a set of cheap speakers and a set of probes with interchangeable clips. <br />
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Hooked all the rest and had a game<br />
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I have never played Missile Command before except on the 2600 and it is a bit different. Much more fun with a trackball and three buttons to fire missiles.<br />
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Parts Needed to Repair:<br><br />
1 x 74LS42<br><br />
1 x 10Mhz Crystal<br><br />
8 x 16pin dual wipe sockets<br><br />
1 x 4116 memory IC<br><br />
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Brad