Re: Another A5 board repair attemp - help needed


Siggi
 

Þann lau., 14. nóv. 2020 kl. 05:32 skrifaði Rogerio O <rodd414@gmail.com>:

Since I will have to wait for the Mouser parts to arrive, I intend to
follow your suggestion to measure the voltages drop across the DAC
resistors.
Can I turn the scope on without U2521/U2420 soldered in place?

The only damage that could happen is CRT burn. If the beam intensity is
still under control or low/none, you’re fine. If the beam is too bright, it
helps to defocus it, and you can always turn down the CRT bias.

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