Difference between revisions of "PCB Repair Logs Vulcan Venture"
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'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/27152-Gradius-II-Vulcan-Venture-Repair-Log Vulcan Venture PCB Repair]<br> | '''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/27152-Gradius-II-Vulcan-Venture-Repair-Log Vulcan Venture PCB Repair]<br> | ||
<br> | <br> | ||
'''Symptom:''' Boardset won’t boot, just resetting<br> | |||
'''Cure:''' No outputs on the LS32 at location 1K on the top board – replaced IC<br> | |||
<br> | |||
'''Symptom:''' Boardset constantly resetting<br> | |||
'''Cure:''' No input on address line four on the main program ROMs – bad LS244 at location 6L on the top board – replaced IC<br> | |||
<br> | |||
'''Symptom:''' Board boots and there’s video sync, but approx once every 13 seconds it reboots<br> | |||
'''Diagnosis:''' Seemed like it was running the diagnostics but something preventing video output and obviously then failing some tests<br> | |||
'''Cure:''' Bad LS244 at location A4 on the board board – replaced IC<br> | |||
<br> | |||
'''Symptom:''' Vertical grey lines through many sprites<br> | |||
'''Cure:''' Bad LS244 at location E23 on the bottom board – replaced IC <br> | |||
<br> | |||
<br>[[PCB_Repair_Index|Back to PCB Repair Index]] | <br>[[PCB_Repair_Index|Back to PCB Repair Index]] | ||
Revision as of 08:52, 22 August 2012
Vulcan Venture
 |
|
| PCB Image | Reserved |
|---|---|
| Pin Out | Reserved |
Repairer: VectorGlow
Forum Thread: Vulcan Venture PCB Repair
Symptom: Boardset won’t boot, just resetting
Cure: No outputs on the LS32 at location 1K on the top board – replaced IC
Symptom: Boardset constantly resetting
Cure: No input on address line four on the main program ROMs – bad LS244 at location 6L on the top board – replaced IC
Symptom: Board boots and there’s video sync, but approx once every 13 seconds it reboots
Diagnosis: Seemed like it was running the diagnostics but something preventing video output and obviously then failing some tests
Cure: Bad LS244 at location A4 on the board board – replaced IC
Symptom: Vertical grey lines through many sprites
Cure: Bad LS244 at location E23 on the bottom board – replaced IC
