Rohmdevice is closest that could find with a quick search, but is probably not the exact match.
-semiconductor/RPM7138-V4R/1596708
You could perhaps remove the part and measure each of the terminal with DMM. The Gnd pin should have a low resistance to the chassis ground, the Vcc pin should have +3.3V to +5V voltage when the unit is powered up. The third pin, which may measure Vcc or Gnd, but has higher impedance is then the signal pin. It seems to be a some sort of standard that the leftmost pin is the signal pin, Gnd is in the middle and Vcc on right.
The Rohm part that is linked above is obsolete with no remaining stock. I located another possibility for you to look at, Vishay Semiconductor Opto Division part number TSMP4138 or Digi-Key part number TSMP4138-ND. For web link click here -semiconductor-opto-division/TSMP4138/3672215
#Paco1038 - This is most likely a receiver for a remote. This would generally be a pretty standard frequency but if you had the original remote or the manual for the stereo/remote that might confirm the actual frequency. The frequency would be the biggest thing to consider on this. Otherwise, I would say the Vishay option is a pretty safe bet.
The damage suggests that the power supply circuit of the car player has a problem (e.g. may have provided battery voltage to the receiver). Try measuring the voltages at the receiver pads, if any of them is above 5V. If so, you should not attempt to replace the receiver before the supply problem is fixed.
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I was having issues trying to get my TV to pass Dolby Atmos to my Atmos receiver on the new Disney+ app. I convinced myself that maybe a factory reset might make a difference, so I did a reset on my TV. (Q70 2018)
As i went through the setup process after the reset, I came to the universal remote setup. I have an xbox and a satellite receiver both going into my Pioneer receiver, with the pioneer connected to TV HDMI4 (ARC). Before the reset I had set up my remote to control my TV, the receiver, the xbox and the satellite receiver. Now, I cannot get my remote to set up the receiver at all. When I go through the setup I select game console through av receiver. It asks for my receiver manufacturer, so I put in Pioneer. On the next page it says "There was an error while downloading, please select try again." When I hit try again I just get the same error over and over again.
I reset it again. Same thing. I power cycled. Same thing. I reseat the cables. Same thing. I unplugged the receiver from the TV, did a reset without it plugged I'm, and them reconnected the receiver after setup, same thing.
I opened a ticket with Samsung. They are telling me the issue is with my receiver. Bull. It worked fine until I reset the TV. My receiver isnt even connected to the Internet, so there cant be some kind of software update gone awry issue.
Needless to say, I'm ticked. I cant use my universal remote at all now because everything I own routes through my receiver. I have a full Atmos 9.2 system. There is no way I am bypassing it, and there is also no way I am ok with owning an almost 3000.00 TV with a remote that isnt universal.
I have a Q70 connected to pioneer vsx-933 on HDMI 4 and the signal plus is on. When I try to add the home theater system in the control test, it says "there was an error while downloading, please select try again."
I have the same exact problem. I connected my Q80 to Pioneer VSX-1021-K. I can control the receiver sound, but cannot set up the TV remote to control the devices though universal remote set up process (Fire TV box, Sony Blu-ray player)connected to the receiver. Says there was an error while downloading, please select try again." Please share any solution. Thanks!!
These days, most TVs are hooked up to all sorts of external devices like gaming consoles, streaming services, Blu-ray players, and even set-top boxes. This can make it confusing when you want to turn on the TV or turn off a console - which remote should you be using? You can streamline the process by using just one remote to control your Smart TV and other devices. For instance, you can rely on your Samsung universal remote or Amazon Fire Stick to get the job done.
Samsung TVs available in stores and on our website come with a universal One Remote. The remote can control third-party devices that are connected to the TV via HDMI only. For instance, if a Blu-ray player or Xbox is connected via HDMI, you can point the universal remote at the Blu-ray player to begin controlling its functions!
First, connect an external device (such as a Blu-ray player) to an open HDMI port on your TV, and then turn on the external device. Your TV will automatically recognize the device when connected through HDMI, and will switch the source.
Press the Home button on your TV remote to access the Home Screen. Using the directional pad on the remote, navigate to Source. When the selector is placed over Source, the Source menu will appear.
Third-party remotes, such as Sony PlayStation controllers or an Amazon Fire Stick, can be used to control a Samsung TV as well. You can find the latest TV models on the Samsung Shop that support third-party controllers and remotes.
If someone can't increase volume and decrease it from remote (I assume batteries and technically the remote is ok and everything else works on it), just mute and unmute and now Onkyo will let you increase and decrease volume from the remote.
I had this problem and decided to open the remote as it was working but for the volume. I used dental spatula, small flat screw drivers and finally a heavy guitar pick to slide in the seam and finally open the remote. It's not easy to avoid damaging the plastic edges when using metal on them. Looking over the volume contacts, only these were covered in a oily residue which I cleaned up nicely with q-tips and alcohol. I got the infrared on my cell camera for the first time. Thought I was done, but it stuck in zone 2 somehow and none of the buttons were helping me. I needed to repeat opening and repositioning to get things to work. The risk is trashing and replacing the remote and was my plan B as an older Denon remote raised and lowered the volume just fine.
I ended up here somehow while google why my Onkyo TX-NR636 remote volume is not working. as mentioned by John Hestad and billiams10, i pried open the remote and cleaned the volume contacts which were oily, due to being the most used buttons i presume. Very weird fix but i works!
Try 'resetting' the system. If it doesn't restore the function after the first attempt do it 4 more times in a row before you try it again. (Have read that it can sometimes take 4-5 consecutive resets to fully restore the system).
Given that a reset didn't solve anything, to me it rules out a software problem. More than likely it will be a problem between the IR controller and the volume controller. I'm assuming that the manual master volume control on the unit itself is functioning normally, in that you can incrementally step the volume up and down. Hopefully @oldturkey03 will pick up on this comment and in his usual inimitable fashion produce a service manual for the receiver or at least a wiring schematic so that we may be able to assist you further, as I have had no luck in finding one.
No answer but a similar problem. The volume works but seems to be a weak connection. You must push the volume buttons several times and hold for a long time for it to work. Quite often it isn't worth it and I just adjust on the unit. All other buttons function fine. Above answers were helpful in what isn't the problem!
As the Volume button is one of the most "popular" buttons on a remote control after the power button, it may be that the conductive coating on the button contact itself has been worn away so that there is not much left to make a good connection when pressed.
if the contact material has been worn away you could try coating the contact with "conductive glue" (look for it on Ebay) and see if this solves it for you. I have had mixed results using this method. Sometimes it only works for a few weeks and other times it is still working. When it didn't work I just ended up using a new learning remote. (not that I have the same receiver as you, just a similar problem with a remote/receiver.
Tried that but I'm not as smart as the remote and could not get it open without fear of busting it. Had only 1 screw beneath the batteries. The kitchen knife pry didn't work and it didn't seem to slide open either. Ended up ordering one since all other buttons are working, didn't want to risk total failure. Hope the new one has volume that works.
Try unlocking the battery-saving mode. When a button is pressed for longer than three minutes, the remote goes into battery-saving mode. Press the SAT mode button at the top to unlock it. Your remote should work properly.
Check the batteries. When you press a mode button, does it light up? If not, you may be out of juice. Check to make sure they are in the right way, with the metal ends making good connections with the metal in the remote. If they're in correctly and you still don't get power, try replacing them. They may be dead.
Check to make sure the remote is programmed properly, which basically means you reprogram it to work with your receiver, TV and any other components. Start with the receiver and work your way through programming each component that isn't working. We tell you how to program remotes in our guide to remotes.
I used a kitchen knife for spreading butter without a sharp edge to pry it open. I would stick the round end of the knife in the edge and twist the knife to separate the remote. One must be careful not to continue that action where the battery compartment is. First, one must open the battery compartment, take out the batteries and then unscrew a small Phillips screw. After that, one can continue working it apart or it might even easily open at that point.
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