Question about Panasonic SC-PM27 CD Shelf System
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Posted on Jan 02, 2017
SOURCE: F61 error
whats wrong is that whilst the power amplifier is running and the system fan fails due to internal resistance of the fans resistor the main power amplifier overheats causing the main power NPN transistors to turn off the system power by the use of a logic AND gate that causes the error code F61 to appear and turn off the systems power supply. The solution is simple the main transistors are removed carefully and their terminals are shorted using a screw driver. the transistors contains a little voltage which activates the AND gate to shut off the power supply and the error F61 appears. make sure the transistors are replaced correctly and solder very light. If the problem still occurs provided that all transistors are fully shorted(all three terminals) and properly replaced then the radio should be taken to a professional
Posted on May 23, 2008
SOURCE: F61 code error
I had this problem! Panasonic 5CD Hi Fi. I opened the case to get a look at the circuits and noticed a covering of dust on the components. I took the hoover to it and an initial inspection could find no glaring problems, such as burnt PCB! I decided to power-up and to my joy the machine whizzed into life. Problem solved!!!!!!!! BTW, this unit is at aprox 10 years old and still goin great!
Posted on Oct 09, 2009
SOURCE: How to fix F61 error?
First re solder any dry joints on Transistors Q502, 504, 507, 515 & CN500, IC501. If there are no dry joins replace IC501 (STK470-0??) & maybe D501 (16.V) zener
Posted on Feb 26, 2010
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