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PC board 702 failure modes [message #3797] Tue, 02 March 2004 12:29 Go to next message
JB
Messages: 32
Registered: January 2003
Location: Maryland
Member
Hi, I have a PC board 702 with problems. Does anyone know the likely failure modes on this board?

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Re: PC board 702 failure modes [message #3816 is a reply to message #3797] Fri, 05 March 2004 07:35 Go to previous message
stevem is currently offline  stevem
Messages: 4886
Registered: June 2004
Location: NY
Senior Member
The driver transistors that are part of the square heat sinks they are mounted in, The 5 watt emitter resistors on that board that are wired off the emitter leg of the output transistors, and the outputs mounted on the floor of the amp, and posibly some transistors in the power supply regulator section on that board.

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