Question about Technics Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: Technics SU-G91 OVERLOAD PROBLEM
I had the same problem. As soon as the volume reached about 24db it would go into overload. I was able to fix it by soldering all the connections on the larger power module. The one connected the the heat sink. When I took it apart there where several solder points that had come loose.
Posted on Dec 01, 2007
I just got mine back from repair shop, same symtoms, they replaced power supply, in your case it was hit and miss for a while, so maybe bad power supply connections inside.
Posted on Jan 18, 2008
i have the same unit and a similar problem, after a fall of the tuner on the floor while i was cleaning my room, first times the st-x302l was powering fine but after some minuts it quit alone.. now (i dont know why) it remains on but if there is an interruption of electricity it dont turn on anymore, it turn on only by removing the metal chassis and moving random the electronics.. i think it has some electronic contact or circuit break.. i brought it to a specialist in electronics and he told me the reparation would be too expensive so i prefer to try fix it by myself.
Posted on Apr 10, 2008
its the ic that controls the + and - voltage and there are capacitors that have leaked all the caps on that board need changing could be expensive and time consuming but its the age of it . if i was going to do that job £200 plus\
Posted on Dec 08, 2008
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