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Old 13th Jan 2017, 8:31 pm   #2
Bill
Pentode
 
Join Date: Dec 2005
Location: Denton, Manchester, UK.
Posts: 186
Default Re: Philips 521 Lamps (22RH521)

I have a similar design Philips 720 receiver/ amp. it works fine except that most of the dial lamps(there are many) have failed.looking at the circuit, there are 3 or 4 different types of lamp, different voltages etc.Your LED solution looks promising, I will investigate further, thank you.
Bill
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