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Insignia NS-R5100 5.1ch receiver shuts down in a few seconds and Stand-by light starts flashing.

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  • wlherbort Sep 12, 2008

    Insignia NS-R5100 5.1ch receiver shuts down in a few seconds and Stand-by light starts flashing.


  • naresh2u Apr 11, 2009

    Insignia NS-R5100 5.1ch receiver goes into standy after 3-4 seconds after it is switched on

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The output transistors are blown in one or more channels also the driver transistors are blown in the same channel.

you can find this problem real easy using a DVOM (digital volt ohm meter) on the continuity test(BEEP).

start be removing the amp section from the receiver and laying it on the table bench whatever no going from B-C and C-E if any beeb there junk and the driver transistors are also and there are a few resistors that are junk.

parts list

2@2sd2390 sanken get from newark and only newark/farnell
2@2sb1560 sanken get from newark and only newark/farnell
2@2sd947 from newark
4@ 2sc1841 or 2sc1845 to replace 2sc1845
4@ 2sa998 or 2sa992 to replace 2sa992
8@ .22 ohm 1/4 watt metal film resistor 1%
2@ 4.7 ohm 1/4 watt metal film resistor 1%

this is a parts list for 2 channels
only get the powertransistors (the sanken) from newark any others i have found as counterfeit and destroy stuff and dont work

i dont remember location #'s on the board but

Posted on Mar 17, 2010

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