sharp aquos LC-80LE632U led tv lamp error

[johnboy1313]

Re: sharp aquos LC-80LE632U led tv lamp error

I purchased a main board for the LC-52LE830U that showed up with a 1-1 error. According to the service manual, everytime the error is thrown, it triggers a counter. If the counter gets to 5 without being reset in the service menu, it looks like the main board needs to be replaced.

[freakaftr8]

Re: sharp aquos LC-80LE632U led tv lamp error

Very possible. I know its gotta be a lamp issue thats seems to be sharps forte.

[tom66]

Re: sharp aquos LC-80LE632U led tv lamp error

I have the 60" LE635U, maybe similar enough?

[freakaftr8]

Re: sharp aquos LC-80LE632U led tv lamp error

that's great news Tom thank you for your help. I did notice even though those emmiters are grounded I still get 40 plus volts to the backlights even on those pins so it looks like they're working. sharp seems to have problems with the LED backlighting for some reason I'm not too sure why. When the screen comes on its only on for a split second not even enough time to have the mainboard send a signal for a raster.

[tom66]

Re: sharp aquos LC-80LE632U led tv lamp error

Emitter of transistors can often be connected to ground.

I might have a service manual for this model. I'm uploading some now.

[freakaftr8]

Re: sharp aquos LC-80LE632U led tv lamp error

Power supply is a sharp runtka903wjqz

[freakaftr8]

Re: sharp aquos LC-80LE632U led tv lamp error

Looks like emmiter of q7610 q7608 and q7607 are shorted to ground. These are the inverter transistors for the leds off the power supply. Looks like they run the center of the screen. Hmmm

[freakaftr8]

Re: sharp aquos LC-80LE632U led tv lamp error

well success... Sort of..
Holding down power input ch dn while plugging it in gets the backlights to come on for a split second. Then immediate shutdownand 1 slow 1 fast blink again. Nothing is on the screen during this. It looks as if the center of the screen may be a little darker than the rest. Not sure yet. I ohmed each wire going to the led's and no shorts. All seem to ohm out reletively the same readings, just to make sure none of the led wiring is shorted to the panel. I have heard of this happening. There are a group of blue wires and a group of grey wires. Both on seperate connectors out of the power supply. Cannot tell if all are lighting up or not.

[freakaftr8]

Re: sharp aquos LC-80LE632U led tv lamp error

It's absolutely amazing. All the boards are the same size as a 32 inch!

[martino]

Re: sharp aquos LC-80LE632U led tv lamp error

Plz post a ton of pictures, wanna see what an 80" looks like inside

[freakaftr8]

hey all well I picked up this 80 inch Sharp Aquos and I'm getting one short flash and 1 long flash. according to the error sheet it appears to be a lamp error. Now this is an LED TV and a lamp air would be generated by possibly a bad LED backlight? This is the biggest TV I have ever worked. Has anyone else encountered lamp errors with the Sharp Aquos line?

by the way nothing lights up on the screen upon powering it up it immediately goes in the lamp error flash sequence