Model # PA-19DK5 I believe, also says 900T on the back as well. I have
12V but no 5 V on power supply, think it might be what I suspect id a 5 volt regulator but part numbers on it do not come up on google. They are 21A3 and 65U6Z
have you checked all the chemicals capacitors with an esr meter ? you should...
here are schematics to build your own esr meter
regards,
-- --- Kripton
Not certain but they might be Sharp part Nos.
On Tue, 14 Jun 2011 06:45:35 -0700 (PDT), snipped-for-privacy@sympatico.ca put finger to keyboard and composed:
FWIW, the following repositories of free downloadable service manuals turned up in my Google searches for Proview:
(I tried to create a TinyURL, but got a "not found" error )
I suspect that "21A3" is a date code. Such formats are used by some Japanese IC manufacturers. You could compare it against the markings on other ICs.
Could we see a photo of the relevant section of the PCB?
- Franc Zabkar
-- Please remove one 'i' from my address when replying by email.
ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.