Question about Toshiba MW20FM1 20 in. Combo
Hi Mike, I have a Toshiba TV/DVD/VCR Combo Model MW20FM3 and the original remote does not work. I then bought a replacement remote (part# 72796927 - this is the replacement remote that both replacementremotes.com and partstore.com said to use), put new batteries in it and that doesn't work either. This leads me to believe it's a problem with the IR receiver. So I pulled that out, but I don't know where to find a replacement IR receiver, nor do I know how to determine what kind (i.e. what kHz, etc.) I should be looking to buy. Could you tell me how to determine specs to look for in a replacement IR receiver? I see that RadioShack has a 38kHz IR receiver with 3 prongs like the one I pulled out of the TV, but how can I tell if this is compatible and which holes to solder the new prongs in (i.e. are the placements of the 3 prongs on all IR receivers standard)? Thanks!
i have a toshiba tv how do i reprogram it ,evry time the electric goes out the tv goes out to be reprogram and i for got how and do not have i book.
Posted on May 12, 2009
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.
Posted on Jan 07, 2017
One of the best ways to check if an infra-red remote controller is working properly is to look at it using a camera. (a webcam or phone camera will work) The camera will see the infra red radiation as visible light. If the LED lights up (on camera) consistently when buttons are pressed, then it may not be the remote at fault, but rather the receiver in the DVD player. Most of the time though, it IS the remote control at fault, and these are usually easy to get working again.
Couple of things to check are:
1) the battery terminals...
Batteries can leak and corrode the terminals in the battery compartments. Signs of this include rust, green coloured contacts, or a crystalline deposit. If you see any of this then clean the contacts using metal cleaner or some methylated spirit and cue-tips.
2) Broken wires connecting battery terminals to the circuit board...
The soldering in some remotes can be rather poor, and wires can sometimes come loose, especially if a remote has been dropped or bashed about a bit. Unscrew the remote and check everything is connected properly
3) Dirt under the buttons...
This can prevent a button from making contact with the circuit board properly. Unscrew the controller and separate the rubber button pads from the circuit board check for dirt both underneath the pads AND on the metal contacts on the circuit board. Clean as required with methylated spirit and cue-tips and then reassemble.
Hope that helps!
Posted on Jan 08, 2017
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