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Motorola XM702. Just like the tag in the bottom of the first picture says
-Ian
I have a Gun Fight it has the Midway monitor in it not the Motorola, Does anyone know where i can find a Schematic for it?
thx,
Do I measure +73V DC on pin 2 on the outer edge of the chassis board?
I just connect one lead of VM to pin 2, and the other lead to chassis ground?
If the voltage is off, I assume the adjustment is on R74?
Thanks
The voltage at R79 was 101VDC. I think you said it should be 90VDC. Is that a problem?
The B+ voltage is showing 100.5 on pin 2. I assume that means Q14,15, or 16 is not regulating the voltage properly.
I am not sure how to test them. I tried looking for parts, and cannot find them.
They are labled:
Q14 - A2J M721
Q15 - M624
Q16 - ECG130
185-7926
Cannot find any of the replacement transistors anywhere. Any ideas?
Manual say +-10% on the voltage readings, so 100VDC out of the transformer instead of 90VDC sounds within tolerance.