Electronics > Repair

What more i can do?

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Harry_22:
From which leg of which chip are these signals?
Please provide this information for every picture.

Harry_22:
Ok, seems I found this info

222Lab_Test222:

--- Quote from: Harry_22 on November 11, 2024, 06:00:29 am ---From which leg of which chip are thnese signals?
Please provide this information for every picture.

--- End quote ---

Its related to name in picture
ic23    its 10 pin
ic53    its 2 pin

ic23n ic53n is not working board similiar pins.

Harry_22:
Could you check the rest PD4990A signals.
Please set up the zero line and 1v/div scale on your scope for all measurements.

222Lab_Test222:

--- Quote from: Harry_22 on November 11, 2024, 06:37:39 am ---Could you check the rest PD4990A signals.
Please set up the zero line and 1v/div scale on your scope for all measurements.

--- End quote ---

These are all no working board images,

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