Sharp LC46D64U Power and OPC Flash

[Icitte]

Hi guys

I am working on this unit for a couple of weeks and now I need your help!

So when I plug it nothing happen but the green power light blink at 1 sec.

When I plug the TV while holding Vol- and Input nothing happen BUT power light blink twice and OPC blink once.

So in the manual this mean: PS_ON DET_10V failure ''DET_10V (pin 57). UR10V or A9V is not applied.
If error is detected during operation, the power is turned on
again by interrupt handling (instantaneous blackout processing).''

I just istalled the Shopjimmy kit (https://www.shopjimmy.com/sharp-rden...repair-kit.htm) but nothing change

I tested the voltage at the connector from the P/S board that goes to the Main Board

Here's the result:
LNB - NO WIRE
LNB_POW - NO WIRE
LNB_CONT - NO WORE
PS_ON - 0V
AC_DET - 3V
PNL_POW - 0V
SGND - 0V
BU5V - 5V
SGND - 0V
SGND - 0V
UR15V - 0V
UR15V - 0V

Could you help me?

Another question, how can I know which pin too test the huge transformer? thanks

[budm]

Re: Sharp LC46D64U Power and OPC Flash

Here's the result:
LNB - NO WIRE
LNB_POW - NO WIRE
LNB_CONT - NO WORE
PS_ON - 0V
AC_DET - 3V
PNL_POW - 0V
SGND - 0V
BU5V - 0V
SGND - 0V
SGND - 0V
UR15V - 0V
UR15V - 0V
Are you 100% sure that you count the pins and measure those Voltages correctly? Your report shows ZERO Volt for the standby power supply to run the main board, so no Standby Voltage then there will be any Voltage to run the main board to produce any error codes or to light up any Indicators. Recheck your measurement again.

[neilc6]

Re: Sharp LC46D64U Power and OPC Flash

So how many times does the Power LED blink and how many times does the OPC LED blink. It is confusing but you need to count them separately since they may flash together.

Service manual here

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

You are right, I made an error, just edit the post, BU5V is 5V

Here's the result:
LNB - NO WIRE
LNB_POW - NO WIRE
LNB_CONT - NO WORE
PS_ON - 0V
AC_DET - 3V
PNL_POW - 0V
SGND - 0V
BU5V - 0V
SGND - 0V
SGND - 0V
UR15V - 0V
UR15V - 0V
Are you 100% sure that you count the pins and measure those Voltages correctly? Your report shows ZERO Volt for the standby power supply to run the main board, so no Standby Voltage then there will be any Voltage to run the main board to produce any error codes or to light up any Indicators. Recheck your measurement again.

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

So how many times does the Power LED blink and how many times does the OPC LED blink. It is confusing but you need to count them separately since they may flash together.

Service manual here

When I plug the TV while holding Vol- and Input nothing happen BUT power light blink twice and OPC blink once.

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

Anyone have a clue for me?

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

I really need your help guys!

[nomoresonys]

Re: Sharp LC46D64U Power and OPC Flash

I would try a software update/reapply as described in the service manual provided by neilc6 in post #3, chapter 5 of the manual.

[budwich]

Re: Sharp LC46D64U Power and OPC Flash

I "played" with one of these for a friend. Ultimately, he replaced the main board although his symptoms were different (only over the air worked). As suggested, try a software reload / update from usb. Actually, iirc, you don't even need anything "great" on the usb other than it being formatted (fat16/fat as opposed to fat32... which everywhere seem to suggested... fat32 didn't work). Anyways, IF the set powers up with the usb in, it will attempt to do the software update, asking before proceeding. IF this occurs, you will at least know that the "boot" / "upgrade ware" is working on the board. IF not (nothing happens with the set), then you likely have a main or powering problem.

One question, what is the history of the set and problem?

Further: I am not sure you are interpreting the flash codes correctly... if the codes are correct then my "read" is you have DET_D3V3 fault.

[budm]

Re: Sharp LC46D64U Power and OPC Flash

https://elektrotanya.com/showresult?...oria=&kat2=all

Service manual for 42, 46, 52":
It does not show error code chart in this manual, and I do not know for sure if 32/37 codes are valid for 46INCH or not.
32 & 37 inch: Power LED twice + OPC once = PS-ON, DET_15V failure.

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

I tried the upgrade firmware but the TV doesn'T even try to open....it blink power at 1 sec

Its strange how I get 1 sec power light blink when I just plug the power and 2 blink/sec power light and 1 blink OPC light when I plug it while pressing VOL - and INPUT at the same time!

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

ok so I open plugged the TV with CH- and VOL+ at the same time to reset the blink once I got when I was just plugging the tv

So now when I plug it I got the 2 blink power light and 1 blink OPC

so here's what is in the manual:

https://www.dropbox.com/s/pjqps0alh2...anual.jpg?dl=0

[budm]

Re: Sharp LC46D64U Power and OPC Flash

I do not know if the code for the 32, and 37 is applied to 46 inch or not. See post 10.

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

I do not know if the code for the 32, and 37 is applied to 46 inch or not. See post 10.

I have the 46 manual

so the image is good for me

https://www.dropbox.com/s/pjqps0alh2...anual.jpg?dl=0

[budwich]

Re: Sharp LC46D64U Power and OPC Flash

I "played" with one of these for a friend. Ultimately, he replaced the main board although his symptoms....
One question, what is the history of the set and problem?

Further: I am not sure you are interpreting the flash codes correctly... if the codes are correct then my "read" is you have DET_D3V3 fault.

oops... I misread the number of flashes you posted.
It would appear to be a "det_10v" failure.

but... can you provide a history of the set?

[budm]

Re: Sharp LC46D64U Power and OPC Flash

I have the 46 manual

so the image is good for me

https://www.dropbox.com/s/pjqps0alh2...anual.jpg?dl=0

Can you please provide the link to the one you have since the one from ELEKTROTANYA does not show error code?

[Icitte]

Re: Sharp LC46D64U Power and OPC Flash

Can you please provide the link to the one you have since the one from ELEKTROTANYA does not show error code?

here we go!

https://www.dropbox.com/s/khu7oealtn...2d64u.pdf?dl=0

[budm]

Re: Sharp LC46D64U Power and OPC Flash

Thanks!

[R_J]

Re: Sharp LC46D64U Power and OPC Flash

I have the manual with the error codes but its larger than the sites 19.07 MB limit

[R_J]

Re: Sharp LC46D64U Power and OPC Flash

Here it is, Error codes on page 62