Question about Technics SA-DX750 Receiver
- if you've got any knowledge of takin these type of things apart then here goes. undo the six fixing screws (if it outs of warrenty that is).
what you'll see is a main board and a little pcb boad attached to the back in which the rca's are connected to. remove the screws that hold this in place and with a set of long nosed plyers gentlely close the plastic lugs so you can remove it ( also remove all wires as to remove it compleatly) if you look on this little board you will see 2 black chips that are next to each other. the 1 that stands out the tallest out of the pair CHECK IT FOR DRY JOINT (solder split ) as that 1 normally becomes loose and can move about (re solder it) and replce back. now on the main heat sink unit you have 2 amp chips. remove the screws and clean all heat sink compound. put new compund on and screw back ( these dont need removel if your gentle. replace the cover and see what it does
best of luck
Posted on Aug 13, 2010
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Posted on Jan 02, 2017
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