Difference between revisions of "PCB Repair Logs Terra Force"
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'''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/23440-Terra-Force-Repair-Log Terra Force PCB Repair]<br> | '''Forum Thread:''' [http://www.aussiearcade.com.au/showthread.php/23440-Terra-Force-Repair-Log Terra Force PCB Repair]<br> | ||
<br> | <br> | ||
'''Symptom:''' RAM TEST NG on power up<br> | |||
'''Cure:''' TMM2063 (8464) RAMs at locations F7 and H7 were faulty on the top board (TF-1A)<br> | |||
<br> | |||
'''Symptom:''' Some background graphics blocky<br> | |||
'''Cure:''' Bad TMM2015 (CY7C128) RAM at location F16 on the top board (TF-1A)<br> | |||
<br> | |||
'''Symptom:''' Sometimes one layer of background graphics turned into a dark, furry-edge ‘shadow’<br> | |||
'''Cure:''' Bad TMM2015 (CY7C128) RAM at location F17 on the top board (TF-1A)<br> | |||
<br> | |||
'''Symptom:''' Random dots, dashes etc in the rightmost columns if the display<br> | |||
'''Cure:''' Bad TMM2015 (CY7C128) RAM at location C12 on the top board (TF-1A)<br> | |||
<br> | |||
<br>[[PCB_Repair_Index|Back to PCB Repair Index]] | <br>[[PCB_Repair_Index|Back to PCB Repair Index]] | ||
Revision as of 13:15, 20 August 2012
Terra Force
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| PCB Image | Reserved |
|---|---|
| Pin Out | Reserved |
Repairer: Terra Force
Forum Thread: Terra Force PCB Repair
Symptom: RAM TEST NG on power up
Cure: TMM2063 (8464) RAMs at locations F7 and H7 were faulty on the top board (TF-1A)
Symptom: Some background graphics blocky
Cure: Bad TMM2015 (CY7C128) RAM at location F16 on the top board (TF-1A)
Symptom: Sometimes one layer of background graphics turned into a dark, furry-edge ‘shadow’
Cure: Bad TMM2015 (CY7C128) RAM at location F17 on the top board (TF-1A)
Symptom: Random dots, dashes etc in the rightmost columns if the display
Cure: Bad TMM2015 (CY7C128) RAM at location C12 on the top board (TF-1A)
