|07-03-2009||Re: JVC UX-N1W repair||[quote:862752b65c="pltepe"]How to repair common problem with JVC UX-N1W. Powers on then powers off? Replace blown 20 ohm resister #3403 on main board To the bottom and left of fuse. I've repaired 7 of these units with the identical problem.[/quote:862752b|
|07-03-2009||Bad Caps||[quote:b39bb75658="Anonymous"]I have the FSP228-3F01 that is also dead, my C33 looks fine but C20, 21, 22 and 28 are about to pop.everything else on the bord looks fine. Is there a specific problem that causes these cape to expand? what do I need to re|
|07-03-2009||Re: FSB228-3F01||[quote:a7e2b4c22a="edzbox"]I also have the bad capacitor problem; my tv will not even turn on. I found C33 was most impressively blown apart, and several others are stressed (silver tops are bulging upward). They are CS19, 21, 22, & 28. If you see |
|08-03-2009||NEC PX-42vp4g Plasma panel goes into standby||My plasma panel goes into standby when I turn it on Its boots up runs for 5 seconds and then shuts down to standby. Checked the supplies. The HV 170v supply begins to drop after turn on the cuts off back to standby when it drops tp about 136V. Pictur|
|08-03-2009||Sony KV-35V36 T602||Thank You jts1957!
R607 was open on G board.
On A board I found bad solder joints on T501 (resoldered)
Q501 did not appear shorted but I replaced it.
I just want to inquire about T602 before powering up
T601 looks like a Transformer but all |
|08-03-2009||T602||I meant to say T602 has short circuit across all pins.
|08-03-2009||[quote:db50ba31d7="jryduke"]Alain28, Thanks for your reply. I am registered and I had already seen your webpage with the photos of the power supply. But you still did not tell me what U401 is. No matter what I do about the circuitry around U702 - the supp|
|08-03-2009||The less reliable part in electronic is electrolytic capacitor...
Some china product could have quality trouble.
But this can also for good product.(ELNA should be)
except that for electrolyte leakage
example where it is metal trouble on potmeter trimmer pins!
but fews monthes before it was an electrolytic capacitor trouble
Products are older.[/quote:1043c73237]
|08-03-2009||Working great||Installed last night and fired it up. Tuner sounds great. After these new caps burn in I'm replacing 24 diodes with the Phillips fast soft recovery diodes.
Thanks much for the replies, Richard|
|08-03-2009||Re: Centrifuge Heraeus Labofuge 200||[quote:3bfddd0e9e="SROCHA"]Hi, I need an electronic circuit schematic for the Heraeus Labofuge 200 centrifuge. Can send me to my email.
If you got such a scheme, can you send |