Difference between revisions of "PCB Repair Logs Wonderboy Bootleg"
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<td class="" style="">Reserved</td> | <td class="" style="">Reserved</td> | ||
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< | ===Board 1=== | ||
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'''Repairer:''' [http://www.aussiearcade.com.au/member.php/4762-kane kane]<br> | '''Repairer:''' [http://www.aussiearcade.com.au/member.php/4762-kane kane]<br> | ||
'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/38583-Wonder-Boy-Bootleg Wonderboy (Bootleg) PCB Repair]<br> | '''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/38583-Wonder-Boy-Bootleg Wonderboy (Bootleg) PCB Repair]<br> | ||
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===Board 2=== | |||
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'''Repairer:''' [http://www.aussiearcade.com.au/member.php/1983-Womble Womble]<br> | |||
'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/14991-Wonderboy-Bootleg-Repair Wonderboy (Bootleg) PCB Repair]<br> | |||
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<br>[[PCB_Repair_Index|Back to PCB Repair Index]] | <br>[[PCB_Repair_Index|Back to PCB Repair Index]] | ||
Latest revision as of 09:20, 5 September 2012
Wonderboy (Bootleg)
 |
|
| PCB Image | Wonderboy Bootleg PCB |
|---|---|
| Pin Out | Reserved |
Board 1
Repairer: kane
Forum Thread: Wonderboy (Bootleg) PCB Repair
This Wonder Boy bootleg came with a cabinet I bought a while ago and was fully working when I got it.
One day while playing, the game backgrounds started to flicker on and off and eventually disappeared altogether. I shelved it for a while, but got stuck into it now I have some time over Christmas.
The three ROMs with the orange labels contain the background tiles, and they read ok, so the fault was going to be a bad TTL or RAM. All the RAM seemed OK, but found a 74LS157 with an output stuck low on a daughter board just left of those ROMs.
Replacing the 157 brought all the backgrounds back.
Board 2
Repairer: Womble
Forum Thread: Wonderboy (Bootleg) PCB Repair
