Author Topic: Wharfedale L32TA6A - Phihong PSM210-417A R issue  (Read 17539 times)

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dervdub

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Wharfedale L32TA6A - Phihong PSM210-417A R issue
« on: March 24, 2012,12:27:53 »
Hi all, it's been a while.

I've got a friends Wharfedale L32TA6A that won't start up, I just get alternating red/blue LEDs on the front panel and a slight 'fitzzz' sound from the primary on the PSU when you power on (the set is unresponsive once asked to power on)

STBY 5v is good at 5.04v but the 24v line comes up to 8v then tails off slowly and the 12v line starts at 3v and tails off. What I believe to the mains smoothing cap is slightly bulged so needs replacing.

F101 is good, IC101 has no tell tail which is pin 1 (or 6 and 8) to test for a short there as per the kit instructions - and if I'm honest I'm not good enough at electronics to work out any further.

I've done much searching and all symptoms found so far don't match these, I read a post where another post was mentioned with 3 separate PSU's being used, but I can find no details on this mod.

Any help will be much appreciated and I'm happy to spend a few quid in the right place to get it sorted.

Thanks

Andy

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