20 Most Recent Sharp 25R-S100 25" TV Questions & Answers

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.

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.

It may be a parental lock, so u need the code or u have to reset it, check the manual on how to reset it

how to reset password?? please help us Brand: 21V-FK190M

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.

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/

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.

Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/

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.

0032,0039,0036. Try these codes. If you wish to get more details; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Common codes to check devices with different brand TVs are given, in the order of the device's brand name list in alphabetical order. Pull up older posts. Surf the site with patience. http://remotesearch.blogspot.com/ http://electrohelponline.blogspot.com/

038,031,039. If you wish to get more details; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Common codes to check devices with different brand TVs are given, in the order of the device's brand name list in alphabetical order. Pull up older posts. Surf the site with patience. http://remotesearch.blogspot.com/ http://electrohelponline.blogspot.com/

0381,0388,0385,0380. Try these codes. If you wish to get more details; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Common codes to check devices with different brand TVs are given, in the order of the device's brand name list in alphabetical order. Pull up older posts. Surf the site with patience. http://remotesearch.blogspot.com/ http://electrohelponline.blogspot.com/

ac supply track check this ic ac pals track on resister 240k or470k &diode check this track

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.

No. It should have an antenna. Gopakumar Gopalan Google

No. You should connect an antenna to receive TV stations. Gopakumar Gopalan Google

Check and replace damaged component/s at its horizontal scan output section circuit. Contact any service technician. If you wish to get more details, check the site linked here. Surf the site in "MOSAIC" view. It will make surf easy. http://electronicshelponline.blogspot.com/