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In order for future consultations to be solved, the problem of low power in the EPT3600-14B, both final transistors, was in optimal conditions the problem occurs in the MV1Y diodes, as diodes are tested and seem good, but it is not so, it is not so, Simply replace with 1N4148, and a drop of...

Super Jopix 2000 , main board EPT3600-14B dual final RF

it is a double ended equipment, replace both driver and both ends, i have a modern meter for the gain of the transistors the power is lost after leaving the driver, replace some capacitors according to the scheme until the arrival of the base of the ends but I still do not get enough power only...

Hi, I know that a lot of time has passed since this entry, could you indicate which diodes you found defective, I have the same low power problem, I replaced the final TX, and the problem persists

WOW I thought that this would be a dead post when I uploaded the manual and the diagram was more than 3 years old without any response, well guys, my English is not very good, uncle google help me, I had that microphone a long time, I lost the year when I buy it I think that in the 90s I do not...

Hi, I know this post is very old, scanned the manual with the schematic, and I want to leave it here so that someone in the future can find it and be useful for someone else.