I also have the akai PDP4273M1 tv with power and no picture and I looked at the power supply board inside and found 1 of the FMG26S chips blown and I am looking into replacing this to see if that does it and if not do a search for SANKEN PSC10165B M and for approx 170.00 you can get a whole new power supply for it and its easy to put in..
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Check to see what input setting the tv is on. It could still be looking for a signal from the pc input connection and no pc is hooked up thus getting no signal. Have the device you are trying to display on the tv connected and turned on and cycle through the inputs on the tv until you get a signal.
I found one of these at the dump with the same issue. Bought a Z sustain board for $75 , replaced it and it works great. I plan on installing some PC style cooling fans in the cabinet as heat is what destroys these sets
You could smash the TV and find that it will work better or call a local repairman. I know the exact problem with this TV, but only a technician should even open a TV.
The guy I got the TV from totally butchered the inside of his Akai in a failed attempt to fix his TV himself. Instead, he created a fire hazard and is lucky he did not burn his house down.
Yeah. I had the same problem. About 1 month ago my AKAI PDP4273M1 TV began turning off...then on. I happened to stumble on a temporary solution. I held one of the buttons down on the t.v. without letting go...and what do you know....the tv stayed on. So I rigged it to where the button (the "source" button) stayed in and I stuck a small object into the hole next to it (a small nail in my case). The catch is you have to use the remote becase none of the buttons on the tv work. Wonderful...so...I got that fixed and then today my picture gave out about 75 percent. What a Piece of S%#* TV. That is all I can say. My 2 1/2 year old TV is a POS and is going into the dump. Can you say hello to a new VIZIO. Hope that helps. Remember. NEVER BUY AKAI TV PRODUCTS AGAIN!!!!!
The sound is a failing relay. It seems you have an issue with the power board. You may have to swap out the board to get this rectified. I recommend contacting a local service center to get this repaired.
This sounds to me that you blew a fuse, or something wrong with the mainboard. im no expert, by any means...Have you taken up the courage to open it up? there is about 40 screws, just draw diagrams and such where it goes.. also, there are 2 small screws by where the computer and dhmi digit port are (like your comp at home) AND also the nut on the coax. after this, it's home freee. power is right on top middle. check out my other post for pics of it...Hope this helps!
what do you have connected? you can try withe basics. if you can try a rg-6 cable into the f connector. then try a dvd on video 1 and change the input to input 1 and see. if nothing else try a hard reboot thats unpluging the tv for about 2 min. then reconnect.