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Tag Archives: Repair
Groundhog Day radio
(AI translated, original post from 2022.06.02) Groundhog Day radio. Well, not quite, the original is the Panasonic RC-6025, but mine is a Sanyo Sterocast RM5320, probably manufactured in 1972 (it could also be under another brand, such as Siemens alpha). … Continue reading
XRF repair
(AI translated) Continuing while still feeling under the weather (symptoms suggest COVID, but PCR says no), I took another look at the old XRF. I have already somewhat explained how it works and mentioned that the “black fin” isn’t trying … Continue reading
Posted in AI translated, FPGA, MCU, Vandalising
Tagged AI, CPLD/FPGA, Oddity, Repair
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Sinclair QL – modifications for EPROM
I have Sinclair QL, “issue 5” with 3 EPROM chips. One of the chips is riding on the other chip. And yes, it is the original solution from Sinclair engineers- they were pressed by Apple computers new product and they … Continue reading
Real easy Video fix for ZX Spectrum +2 (gray, “Toast Rack”)
I bought a ZX Spectrum +2 gray (toast rack) for my retrocomputer collection and it was the fail. The video output was bad and also there is a serious problem with RAM or ULA. But this article is about making … Continue reading
Repair of the Atari 2600 jr
I found PCB from the classic 2600 JR. It was forcefully removed from the case maybe using a hammer. The PCB is bent, some parts torn out and missing switches. PCB was cracked and several traces were broken. I repaired … Continue reading