XianXi
Member
Big Bang
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Missing sprites, narrowed it down to one of the roms. Rom tests good has 100% continuity with the board as well. When I remove the rom and boot the game it makes no difference to the graphics. CE and OE flash normal during attract mode.
Gaiapolis EAF
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Board boots to RAM/ROM test says these are all bad:
4C, 4G, 7K, 7L, 9C and 9F
Verified socketed chips, tried the eeprom reboot with no change. Reflowed all the QFPs and no change.
Super X
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Games has missing background graphics, all roms verified. OE and CE lines flash as normal. I noticed in some pics on the net that they use some resistor packs but on the board I have there isn't any for certain roms but has factory soldering plugging the holes.
Pink Sweets - Cave
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Board works intermittently. When powered on the board has status lights D1 and D4 lit. Looks like it will boot then goes to black screen with status lights lit. Already changed some caps on the +5v and +12v line that weren't reading correct and no difference. The only other caps are used for filtering which I don't think would cause these problems unless Cave SH3 boards are known for it.
Atomic Robo Kid - FIXED
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Coin up stuck error. Resistor pack was showing it bad, rebuilt a new one and error still exists. IC handling the coin in is under the metal box in the middle of the board. The box supposedly is some type of suicide battery enclosure.
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Missing sprites, narrowed it down to one of the roms. Rom tests good has 100% continuity with the board as well. When I remove the rom and boot the game it makes no difference to the graphics. CE and OE flash normal during attract mode.
Gaiapolis EAF
--------------
Board boots to RAM/ROM test says these are all bad:
4C, 4G, 7K, 7L, 9C and 9F
Verified socketed chips, tried the eeprom reboot with no change. Reflowed all the QFPs and no change.
Super X
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Games has missing background graphics, all roms verified. OE and CE lines flash as normal. I noticed in some pics on the net that they use some resistor packs but on the board I have there isn't any for certain roms but has factory soldering plugging the holes.
Pink Sweets - Cave
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Board works intermittently. When powered on the board has status lights D1 and D4 lit. Looks like it will boot then goes to black screen with status lights lit. Already changed some caps on the +5v and +12v line that weren't reading correct and no difference. The only other caps are used for filtering which I don't think would cause these problems unless Cave SH3 boards are known for it.
Atomic Robo Kid - FIXED
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Coin up stuck error. Resistor pack was showing it bad, rebuilt a new one and error still exists. IC handling the coin in is under the metal box in the middle of the board. The box supposedly is some type of suicide battery enclosure.
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