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eStudio 352 with C970 code

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Old 03-23-2009   #1 (permalink)
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eStudio 352 with C970 code

I have an estudio 352 with C970 code.I swapped drum unit, main charger unit. I replaced the HV board. I have continuity from HV to front side of grid and to charger wire. I do have 24 volts to HV board. Any other ideas before I go to LGC board? Thanks, DC
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Old 03-24-2009   #2 (permalink)
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What about your Trans/Sep??? These can also cause C970.
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Old 03-25-2009   #3 (permalink)
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did you do the hv mod? to stop the corona from oscillating? (..... this only applies to units with a wire not a sawtooth)
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Old 03-26-2009   #4 (permalink)
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String the t/s and main charge by hand and make sure the spring is tight.
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Old 03-26-2009   #5 (permalink)
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^^ this is exactly what I have done to over come the C970s just string them extra tight and they won't vibrate. No tails!
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Old 03-26-2009   #6 (permalink)
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there is a mod... the stonger springs did not fix em here in canada.. the hv cover (the little black covers on the ends of the main charger) has been modded to be thicker harder and longer with a felt on one end that touched the wire to DAMPEN the oscillations..... it really does work ... ask your tosh rep they are free here in canada.. he sent me 50 or 60 to do all our machines....
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Old 03-27-2009   #7 (permalink)
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there is a mod... the stonger springs did not fix em here in canada.. the hv cover (the little black covers on the ends of the main charger) has been modded to be thicker harder and longer with a felt on one end that touched the wire to DAMPEN the oscillations..... it really does work ... ask your tosh rep they are free here in canada.. he sent me 50 or 60 to do all our machines....
I have installed these but I also restring the corona's by hand and do not ever have this issue. Even with the mod and springs, if I use prestrung coronas I will occasionally get these but never on the hand strung.
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Old 03-27-2009   #8 (permalink)
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Thanks for feedback.

Thanks for all the feedback. I am waiting on the T/S unit to arrive. This should fix it.
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Old 03-28-2009   #9 (permalink)
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It took the whole thing? What was wrong with it? Just wondering in case someone else sees it in the future....
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Old 03-28-2009   #10 (permalink)
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Actually the part that the wire hooks to and the wire.
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It took the whole thing? What was wrong with it? Just wondering in case someone else sees it in the future....
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