Akai PT 4298HDX/SMS -- dead?

dr_nukem · Joined: 08 Mar 2007 Posts: 7

there are several places you can buy it (from Samsung for example), with an average price of around $30 or so. On another forum, someone offered to it to another poster and I simply emailed the guy directly. He asked for a few $$$ via paypal, which I happilly supplied...a couple emails later and I had the guide in PDF (several pdfs to be exact).

cory · Guest

dont need service manual to replace this board.easy as pie.small mounted on frame.5 plugs.

dr_nukem · Joined: 08 Mar 2007 Posts: 7

I concur, it would only be needed to troubleshoot the pieces of the board rather than replacing it for $93...technicall possible, but a lot more effort for only a minimal difference in $$$

carlvilma · Joined: 29 Mar 2007 Posts: 1

I have a similar problem with my television. I turn on the television the red led blink for several times but the television don"t turn on. I remove the red conector of the pcb board but nothing wrong. I want to know if that problem comes from the PCB Board.

Byon · Joined: 27 Sep 2007 Posts: 2

I think I too am having a convergence problem. I have a 4 year old AKAI PT5598HDI with the bow-tie image. ( http://byon.com/akai1.jpg ). I ordered 2 STK392-040 from http://www.slelectronics.net/, and installed them, and get the same issue. In fact, I get the same image even with the board removed, so I do think something on the board is at fault. I checked the large resistors and all looked fine visually. They were marked 150 ohm, and there were all as 2 in parallel, and they each measures 75 ohms, which is correct. I couldn't find any pico fuses on the board to replace, perhaps someone else can point them out to me. http://byon.com/akai4.jpg . If not, I guess my next plan is to get a replacement BP41-00045B board. Thanks for any suggestions.

Byon

cory · Guest

right next to ics are about 6 sets of resistors in parrallel,3.9 ohm,should read orange,white color bands.check all sets,should measure about 2.1 ohms.and on some models you will see two pico fuses right under ics.green in color,check if they are open.3.15 amp pico fuses.there are about 5 or 6 sets of resistors,check all.

diesel man · Guest

i have a Samson 42hd43a TV and i had my convergence board go out replaced it with part # bp95-00142e it worked for a day. now it wont even power up. if i unplug it the red light by the power button stays on for about 4 min. any thoughts on why it is doing this now?

Guest · Posted: Wed Oct 10, 2007 8:22 pm Post subject:

Further Update. The power connector on the board is labeled "-20V GND GND +20V". I'm getting 20V, but not the -20V. Are the pico fuses located on the main power supply board perhaps?

Byon · Joined: 27 Sep 2007 Posts: 2

Sorry. the Guest post above was from me.

minnie · Joined: 18 Aug 2005 Posts: 2880 Location: Hell