Re: Fujitsu PSD4222W-S Blinking red light

Nobody answer the last thread that I started. I still at a loss. My main concern is where I can get a schematic of the AC/DC power supply. The one that has two relays side by side that turn the power off if it overheat or is not adjuted correctly. If you answer this thread, please tell me how the little sensor board that "plugs" right next to the two relays must be mounted. Also what sort of shortcut can I to turn the the two "safety" relays on to cut off the power. I REALLY NEEED A SCHEMATIC OF THE AC/DC POWER SUPPLY...

What type of signal flows out of the temperature sensor (Small board connected to the Main board) that seems to float on top of the AC/DC power supply? Where it supposed to be attached? Where Can I get the schematic of the AC/DC power supply board?

1. My first problem is that I took the back cover off and can not find a way to mount the thermo board back into the set.
2. Initial problem was that the set turn on and it comes off after 30 seconds of operation. The red light blinks on and off constantly. Supposed to be one of 4 boards is bad or all are bad.
3. Second. Now that I have the set mounted on a stand I built it does now turn on for any time. The red light just keeps on blinking on. I heard a relay clicking right after the voltage is turned on on the set. Center switch on.
4. I believed I disturbed the temperature...

Re: fujitsu pds4222w-s Plasmavision TV


I have the service manual for the tv. I can email you some of the useful pages to trouble shoot the problem by using the blinking light. My email is [email]calaw@surewest.net[/email]. I am an electronics engineer (MSEE)Re: fujitsu pds4222w-s Plasmavision ...ngineer (MSEE)Re: fujitsu pds4222w-s Plasmavision TV...

Re: fujitsu pds4222w-s Plasmavision TV

I just got the same tv. My problem is as follows. upon plugging in and the on switch turn on, the red light is on. 5 volts are created immediately for remote, thermo-sensor board, and probably anything else that uses the 5 volts. When I turn the on button at the center of the tv panel, the green light momentarily tuns on and I hear a click turning the AC/DC relay on switching the power off. The AC can still be measured coming through the noise suppression coils that shelter the Power supply from noise or interference. The Red light turn on...

Re: fujitsu pds4222w-s Plasmavision TV



I just got the same tv. My problem is as follows. upon plugging in and the on switch turn on, the red light is on. 5 volts are created immediately for remote, thermo sensor board, and probably anything else that uses the 5 volts. When I turn the on button at the center of the tv panel, the green light momentarily tuns on and I hear a click turning the AC/DC relay on switching the power off. The AC can still be measured coming through the noise suppression coils that shelter the Power supply from noise or interference. The Red...