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Entries from 2022-05-13 to 1 day

CRT control discrete circuit for 15kHz RGB modified F520 and G420 CRT display / 15kHz RGB改造ディスプレイ CRT制御マイコン代替回路

It is a replacement for micro computer. Please also refer to the service manual. Never apply excessive anode voltage or cathode current to the CRT, even during adjustment. A high voltage probe, oscilloscope, and experimental DC power suppl…

High-voltage control discrete circuit for 15kHz RGB modified F520 and G420 CRT display / 15kHz RGB改造ディスプレイ 高圧制御

It is a replacement for the horizontal amplitude control IC and the high voltage control IC. Please also refer to the service manual. Never apply excessive anode voltage or cathode current to the CRT, even during adjustment. A high voltage…