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colectorad

02-21-2021 08:33 PM

2001 'Sima CopyMaster SED-CM' PCB

https://i.postimg.cc/svpz81G0/SED-CM-PCB-Top.jpg

https://i.postimg.cc/XpM3Q9qC/SED-CM-PCB-Reverse.jpg

Only four ICs are used: L7808CV, LM339N, HEF4053BP & HEF4538BP.

'U5', 'VR1' and an unlabeled resistor in between 'R02' & 'R04' aren't installed.

Most of the "Wendell" branded electrolytic capacitors tested bad and have since been replaced.

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