Re: Sharp LC-52E77UN DET_D3V3 (52pin) error (L). D3.3V is not applied.
Good evening and thanks for the reply.
Sorry about the pictures, took them as still and focused as I could get them.
PIN2 of P2003 is labeled OPT+3.3V and reads 3.3V with power on.
PIN5 of IC9703 shows 3.3V with power on.
So I have a logic theory question. While the TV is in a working state, all voltages read as they should from every spot I've checked (I've been all over to the level I understand). When the tv turns itself off and gives me the flashing error lights,...
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Re: Sharp LC-52E77UN DET_D3V3 (52pin) error (L). D3.3V is not applied.
Thanks Budm. Pins are labeled as follows:
Off
Pin 1,2= 13.5V (SIGNAL) - 0V
Pin 5,6= SGND(AUDIO) - Ground
Pin 9= AC_DET - 3V
Pin 10= PS_ON - 0V
Pin 11= BU5V - 5V
Pin 12= PNL_POW - 0V
On
Pin 1,2= 13.5V (SIGNAL) - 13.1V
Pin 5,6= SGND(AUDIO) - Ground
Pin 9= AC_DET - 2.99V
Pin 10= PS_ON - 2.85V
Pin 11= BU5V - 5.01V
Pin 12= PNL_POW - 3.18V
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Sharp LC-52E77UN DET_D3V3 (52pin) error (L). D3.3V is not applied.
Good afternoon all,
I have a Sharp Aquios LC-52E77UN that will not stay powered on. Sometimes it works for 3-5 minutes other times it will make it an hour but it always makes a popping sound before turning off. It then flashes the power light twice as well as the OPC light twice. I have attached the service manual and according to page 6-17, my error is "DET_D3V3 (52pin) error (L). D3.3V is not applied."
I have read another post on BADCAPS that had a similar issue but with no resolution:
[URL="https://www.badcaps.net/forum/showthread.php?t=84559"]https://www.badcaps.net/forum/showthread.php?t=84559[/URL]...
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Re: New Members - please post your introductions here
Good evening everyone. I stumbled across this forum while trying to troubleshoot my favorite TV that I don't want to send to the dump. I have a pretty good understanding of electronics and hope to jump right in and get this TV up and running again.
Thanks in advance for any help or suggestions in the future!
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