20 Most Recent
Sharp 25R-S100 25" TV Questions & Answers
Service mode
Hello
Here is the service mode entering process for Sharp Tv.
Unplug the TV
* Press and hold the {VOL -} & {CH+} buttons.
* While holding the above buttons, plug in the TV.
* The TV will turn on with the Service Menu displayed.
* There are 5 category menus:
Deflection - Signal - Feature - Fix Value - EEPROM
* Use {CH+} {CH -} buttons to select a category.
Note: Not all models will have 5 categories.
Some will jump to 'Signal' category.
* Use {VOL+} to enter the category.
* Use {CH+} {CH -} buttons to select the item to be adjusted.
* Use {VOL+} {VOL -} buttons to adjust the value.
* Turn the set off to exit the Service Menu.
Ok.
Shut off itself
sounds like you might have an auto overvoltage shutdown circuit kicking in. The hivoltage goes to high and the monitoring circuit auto shuts down. More than likely trouble is in hivoltage circuitry. If you have a transformer that will allow you to bring up the set slowly without shutting down and you can look to see what's happening.
Tv trouble shooting guide
Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Type in this key phrase
" my service table today "
in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site.
What isrca systemlink4 codes for sharp tv
Set-up (Programming) procedure is too much to type in here, and is not practical and it will differ brand-to-brand remote controls. If you wish to get more; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. One among it has general set-up codes to check with TVs and other devices are given, in the order of the 'device's brand name list' in alphabetical order. Pull up older posts. Search the sites by type in the brand name to your device in its search box at the top right part of the display window. It will help you to find the document easily.
http://electrohelponline.blogspot.com/
http://remotesearch.blogspot.com/
Can this TV be hooked up to satellite?
If all u have is a screw on connector u will have to get a RCA converter which the round connector hooks on to and the Sat will plug into it and set the channel button on the converter to what the TV is.
My 25" sharp not turning on
As i can not see the circuit or the schematic diagram... as you have said..there had no 5 volts, please check the IC regulator coded: 7805.
Sharp model 29V- FL250s
ac supply track check this ic ac pals track on resister 240k or470k &diode check this track
Sharp primo tv 21" str ic number?
To know more about this, you have to download the repair manual to this set. Its schematic diagram section have all details. If you wish to get some details; check the site linked here. Viewing it in "
Mosaic" or "
Magazine" will make surf easy. Pull up older posts. Surf the site with patience.
Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
Power supply regulator schematics to many popular TVs are given.
Not finding what you are looking for?