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Old 29th Oct 2022, 5:44 pm   #18
ms660
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Join Date: Apr 2011
Location: Cornwall, UK.
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Default Re: Grundig CUC 220 Restoration

Quote:
Originally Posted by andyw25 View Post
I'll attach some pictures of the RGB board, can't see anything in the service manual referring to a Decoder so I'm assuming they are combined but I'm not sure, I'm not very familiar with decoders.
Yes, the colour decoder is on the board in the photo you posted, it's the TDA3561 IC (IC 2515) in the schematic I'm looking at, the RGB outputs to the driver transistors (which feed the cathodes of the CRT) are pins 12, 16 and 14 of the IC respectively.

Lawrence.
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