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In Reply to: RE: Hafler DH-101 PROBLEM posted by Camrahnbay on August 23, 2015 at 20:17:31
Have you taken off the lower cover and looked at the condition of the circuit traces and solder joints on the underside of the main circuit board?
This sounds like a cracked solder joint or a broken trace to me.
Also look for bulging electrolytic capacitors.
SF
Follow Ups:
The manual is something I need on paper, I do not have a printer and am computer illiterate.
If yourself or anyone could help me out on this I would compensate you for your time.
I also need a manual for the DH-200 amp, I think there might be a problem there also.
The preamp has been modified, there are many capacitors that are not listed on the original unit. There are also film resistors on the main board. It isn't a pretty preamp but it did work and it will again.
Thanks to the inmates here, I can not thank you enough.
Funny thing,last night I took the cover off the bottom and looked around.
There was 1 bad tracer that I found,I ran a separate wire and soldered in place.There was another in question that was not broken,just lifted off the board so I left it alone.I haven't tried it out yet but will let you know.Thanks for the manual.
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