A Harman/Kardon AVR 645 repair has been a hobby of mine for the past several years. My latest attempt involved the purchase of a DOA unit for part swapping and testing. The original AVR would power up then shut down after a few seconds. I completely tore down both units, found a couple of bad components and reassembled one of them. Same issue, no speakers connected. After extensive research I found a repair document from Harman/Kardon that explains the protection circuit in fantastic detail and provides specific test points for each fault (power, DC detection, overload & power) and the voltage...

Nope, just the big white sign-post looking thing, with 3 legs.

Would I be able to swap a 0.27 Ohm Kx2 5W resistor for a 0.22 Ohm Jx2 5W resistor in a Harman/Kardon AVR? Cement type.

Short but meaningless.

Electronics hobbyist looking for good advice and help from time to time.

First "computer": Atari 400 - Pacman, Defender, Digdug, Starquest(?), Qix
1st PC: IBM XT x86 10 or 20 mhz cpu, few hundred kb of ram (I think). 10MB hard drive
IBM AT with better specs than XT. Setting internal DIP switches to add peripherals.
autoexec.bat & config.sys optimization.
DOS4GW
Manually parking HD heads when moving computer around.
DOT Matrix printer
5 1/4" floppy disks that were actually floppy.
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