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Put plug backwards Yolk caught fire is it salvageble
sollima:
Great thank you .
Do you perhaps know where I could find the schematics for the mtc9000 MZ 07 version?
Because this whole thing started with me wanting to check the voltage on R216 which as you can see in the 2 schematics is labeled 1 Ohm and 0,33 Ohm. Because I have a very, very small (only a band of 3 to 4 mm at the base near the connector) and very faint neckglow. I think that the resistor I placed of 1 Ohm is too high (I got the value from one of the schematics). I do get picture but I find it always dimm. Even though the brightness pot and R90 were replaced and the pot is wide open.
I would like to know/check what the correct value is for R216 for an MZ 07 chassis.
princess prin prin:
R216 is 1 ohm.
http://files.arcadeinfo.de/Monitore/Hantarex%20MTC%209000.pdf
sollima:
Thanks alot
I replaced the diodes and almost ready for testing.
sollima:
sadly the problem was not resolved.
I will try tr16, tr17, c57 and c58 next.
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grantspain:
4.7uf 50v bipolar cap normally causes that at c42
most people look at a cap and think thats ok without actually reading it