PCB Repair Logs Missle Command - Revision history

Brad at 04:11, 15 August 2012

2012-08-15T04:11:01Z

← Older revision		Revision as of 12:11, 15 August 2012
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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.		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.
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	Parts Needed to Repair:<br>		Parts Needed to Repair:<br>

Brad at 04:10, 15 August 2012

2012-08-15T04:10:32Z

← Older revision		Revision as of 12:10, 15 August 2012
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	'''Repairer:''' [http://www.aussiearcade.com.au/member.php/133-GameDude GameDude]<br>		'''Repairer:''' [http://www.aussiearcade.com.au/member.php/133-GameDude GameDude]<br>
	'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/10302-Missile-Command-Atari Missile Command PCB Repair]<br>		'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/10302-Missile-Command-Atari Missile Command PCB Repair]<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.		Started of by making a basic harness, nothing more than +5 +12 -5 and GND and the RGB and sync.
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Brad at 04:09, 15 August 2012

2012-08-15T04:09:19Z

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 '''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/10302-Missile-Command-Atari Missile Command PCB Repair]<br>
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 [[PCB_Repair_Index|Back to PCB Repair Index]]

Brad at 03:56, 15 August 2012

2012-08-15T03:56:38Z

← Older revision		Revision as of 11:56, 15 August 2012
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			'''Repairer:''' [http://www.aussiearcade.com.au/member.php/133-GameDude GameDude]<br>
			'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/10302-Missile-Command-Atari Missile Command PCB Repair]<br>
			<br>

	[[PCB_Repair_Index\|Back to PCB Repair Index]]		[[PCB_Repair_Index\|Back to PCB Repair Index]]

Brad at 23:03, 14 August 2012

2012-08-14T23:03:26Z

← Older revision		Revision as of 07:03, 15 August 2012
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	OK, won a Missile Command off ebay, description said parts pcb, but anyway.		OK, won a Missile Command off ebay, description said parts pcb, but anyway.

	OK Recieved the pcb, quick look, missing the crystal 3 eproms 2 eprom sockets and the cpu.		OK Recieved the pcb, quick look, missing the crystal 3 eproms 2 eprom sockets and the cpu.

	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.		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.

	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.		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.
	Try the test mode, goes into it, give a rom 2 error sometimes. Verfy the rom, nothing, resolder the socket, nothing.
			Try the test mode, goes into it, give a rom 2 error sometimes. Verfy the rom, nothing, resolder the socket, nothing.

	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		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
	But, seems to have the yello background missing, odd, will get the schematics and have a look.		But, seems to have the yello background missing, odd, will get the schematics and have a look.

Brad at 23:03, 14 August 2012

2012-08-14T23:03:09Z

← Older revision		Revision as of 07:03, 15 August 2012
Line 18:		Line 18:
	'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/4723-Missile-Command Missile Command PCB Repair]<br>		'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/4723-Missile-Command Missile Command PCB Repair]<br>

			OK, won a Missile Command off ebay, description said parts pcb, but anyway.
			OK Recieved the pcb, quick look, missing the crystal 3 eproms 2 eprom sockets and the cpu.
			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.
			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.
			Try the test mode, goes into it, give a rom 2 error sometimes. Verfy the rom, nothing, resolder the socket, nothing.
			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
			But, seems to have the yello background missing, odd, will get the schematics and have a look.

			Okay, found the problem with the missing yellow mountains, bad 7474 at A7, replaced with a good one and now running 100%

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	[[PCB_Repair_Index\|Back to PCB Repair Index]]		[[PCB_Repair_Index\|Back to PCB Repair Index]]

Brad: Created page with "== Missile Command ==
2012-08-14T23:00:49Z
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..."
New page
== Missile Command ==

<p><table class="infobox vevent" style="width:22em;" cellspacing="5">
<caption class="summary" style=""><b>Missile Command</b></caption>
<tr class=">
<td colspan="2" class="" style="text-align:center;">[[Image:marquee_missile_command.jpg|200px]]</td>
</tr>
<tr class="">
<th scope="row" style="text-align:left; white-space: nowrap;">PCB Image</th>
<td class="" style="">reserved</td>
</tr>
<tr class="">
<th scope="row" style="text-align:left; white-space: nowrap;">Pin Out</th>
<td class="" style="">Reserved</td>
</tr>
</table></p>
'''Repairer:''' [http://www.aussiearcade.com.au/member.php/59-Prof Prof]<br>
'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/4723-Missile-Command Missile Command PCB Repair]<br>

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Missile Command