set came to shop standby led only.replaced two individual leds & now have backlights.no vidio,audio,menu,or input selection.replaced main but no joy.no schemo available.voltages on power supply board are completely wrong.voltages on 10 pin connector to main are as follows,21v,3.7v,12v,2.8v,3.4v.can anyone tell me if these are correct?
-
-
Re: hisense 50h5g no video or audio
You list 5 voltages on a 10 pin plug? Look on the board they should be listed. -
Re: hisense 50h5g no video or audio
We also need the pictures so we can see what we are dealing with.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
-
Re: hisense 50h5g no video or audio
Did you check your diodes on powrboard?Comment
-
The Problem: This player has a toggle switch to select between Stereo, Mono R, and Mono L. Regardless of the setting it outputs the sound to both the L&R audio jacks. In the Mono R position, the audio output level is normal (from both the L and R audio output jacks), in the Stereo position the audio output is about half the volume, and in Mono L, it's about 3/4 the volume. Something about putting it into Stereo mode is causing the volume to drop significantly and I can't figure it out.
The player processes the audio signal using two different reference frequencies. The "R"... -
I was able to get a Hisense 43H4030f3 43" TV for free, however, after it has been on for about 40 minutes or so, the audio will start to flip between Earphone and TV speaker mode most likely indicating a failure of a switch, or the audio sensing chip.
I'm just curious at this point, whether it's better to just replace the main board -- at least that's my inclination.
Looking at the main board, I do not see any blown capacitors.
I uploaded a pic of the main board, and a short 22 second clip which shows the issue.... -
Hi There,
This TV was auto switching off after few seconds with some vertical lines on the screen, so got a new TCON board and replaced it.
After replacing the TCON board it was working fine and i set it up with everything, used for few hours, then had the bright idea to update the software on it. During the update process, TV switched off and now no audio or video. No relay switch sound.
More Details
TV Model - LG OLED77G1PUA
Got the same exact TCON board from TVPartsToday and replaced it. But didnt transfer the EPPROM data (didnt... -
Hey everyone!
I've gotten this TV for free, neither have it seen a TV repair man, neither have it been opened before.
This post describes my entire troubleshooting process of this TV.
When I turn it on using the ON/OFF switch at the side of the TV, the light rapidly flashes green, then it stays on, but it does not react to any of the remote buttons, side buttons, and doesn't play audio.
I've taken the unit apart, and I've started to check some voltages:
- On the P11 connector, there is 15V DC only for a brief moment, then it goes
-
This specification for the HP Compaq dc7700p Intel Core2 Duo Processor E6300 2x512M/80G DVD-ROM WXP Pro Small Form Factor PC can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the Compaq dc7700p Intel Core2 Duo Processor E6300 2x512M/80G DVD-ROM WXP Pro Small Form Factor PC boardview and Compaq dc7700p Intel Core2 Duo Processor E6300 2x512M/80G DVD-ROM WXP Pro Small Form Factor PC schematic. Our users have donated over 1 million documents which are being added to the site. This page will...09-12-2024, 03:36 PM
Comment