GreenBar0n's latest activity
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GreenBar0n replied to the thread Macintosh SE/30 Vertical & Horizontal Bars on Display "Simasima" Repair Guide.S1 is perfect everywhere else and throughout the Simasima Repair Guide, everything works except the Sony Sound chips Pin6. Just so... -
GreenBar0n replied to the thread Macintosh SE/30 Vertical & Horizontal Bars on Display "Simasima" Repair Guide.This guide was the reason I found this site and joined, well done and thank you for this! I wanted to ask about the Reset section, on...
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GreenBar0n replied to the thread Macintosh SE/30 M5119 - Year long troubleshooting battle.Hoping the CPU is what's bad. The UE10 DSC was really bad on this SE/30, the voltage line broke and probably four other lines were...
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GreenBar0n replied to the thread Macintosh SE/30 M5119 - Year long troubleshooting battle.I used the DMM to look at the ROM slot pins, they are all over the place in voltage, very few are always stuck at +5.05V, but nearly all...
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GreenBar0n replied to the thread Macintosh SE/30 M5119 - Year long troubleshooting battle.The Reset pin F12 on the CPU is functional, it goes from +5.05V to 0 - 0.80Mv when S1 is pressed. The only Reset pins that were...
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GreenBar0n replied to the thread Macintosh SE/30 M5119 - Year long troubleshooting battle.I have two different 4Mb sets of RAM that came with this SE/30. I was using the Ti set in the previous pictures. I also have two working...
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GreenBar0n replied to the thread Macintosh SE/30 M5119 - Year long troubleshooting battle.Looking for some advice on where to go next with this. The problem I'm having is that the CPU will not walk the bus. No matter what...
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GreenBar0n replied to the thread Macintosh SE/30 M5119 - Year long troubleshooting battle.Tried the ROM/CPU walk the bus test and I don't get a solid square wave from any of the pins, the wave form is a mess. Suspecting a bad...
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GreenBar0n replied to the thread Macintosh SE/30 M5119 - Year long troubleshooting battle.Was measuring RP7 pin7, not pin2, RP7 pin2 does go to 0V with Reset. RP7 is good, my mistake. Added sockets for UB10 and 11, the Sony...
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