Philips model 42PF9967D schematics
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From: RubbishRat on 18 Mar 2010 13:42 Hi guys, could anyone help me with this Philips 42PF9967D Plasma, a link to a schematic of the PSU would be really helpful. The problem is a heat sensitive component in the primary section. The set will start up after the aplication of a hair drier for around five minutes or so. I have reflowed all solder joints and checked caps for esr etc but I'm feeling in the dark without some voltage info etc. Any help appreciated, Cheers, Pete -- Just add a little Rub to email me :^)
From: Steve Wright on 30 Mar 2010 18:47 Look for Two 3300uf 10 vdc electrolytic capacitors in SMPS (switch mode power supply). I'll look for a service manual.
From: Steve Wright on 30 Mar 2010 18:50 Another tip not the exact set, but similar. Try the Crystal location IHOO a 27Mhz on the SSB Board. Part# is 823827736071
From: RubbishRat on 30 Mar 2010 19:20
Steve Wright <nhltriviaman(a)gmail.com> wrote in news:e68789cb-a4d7-40db- 966d-c4623c468956(a)10g2000yqq.googlegroups.com: > Another tip not the exact set, but similar. Try the Crystal location > IHOO a 27Mhz on the SSB Board. Part# is 823827736071 > Cheers steve I'll look at those sugestions, but I think I killed it completely. when checking the caps for esr I didn't realise that 2505 (1000uf 50v) was saving a stonking 30v for me to find after being on the bench for 4 Days, you wouldn't think 30v would make such a bright spark, pity I'm not as bright a spark myself these days. Regards, Pete -- Just add a little Rub to email me :^) |