The main circuit of the monitor
https://mastodon.sdf.org/system/media_attachments/files/114/513/719/509/089/509/original/8b668f49f20bed1a.png
The screen is also horribly dirty. I opened it (after buying a set of long security Torx bits). Its electronic circuit is quite simple, as it’s a monochrome monitor, yet it is not very nice to work on: you have to disassemble almost everything to check components. I was suspicious of the capacitors and the TDA1170 that controls the vertical deflection. #repair #IBM #monitor
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