21V-W70M primo sharp black out - Sharp 25R-S100 25" TV

Sharp 36C-230 36" TV Repair Questions,... - Fixya - Answer

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I forget my password TV sharp model 21s-fx10a · Sharp Standard. ... What is thevalue of resistor R704 in SHARP TV model 21V-FK200M circuit diagram.

[WML]sharp 21v-fk200m flat screen crt

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sharp 21v-fk200m flat screen crt. Pages: (1/4) > >>. bobet20: pahelp po mga master,may problema ako malaki,,,sunog po resistor sa power supply r704,,syaka

How do i unlock sharp crt tv model 21v-fk200m? i forgot the ...

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Feb 17, 2015 - Question about Sharp Standard (CRT) Televisions .... What is the valueof resistor R704 in SHARP TV model 21V-FK200M circuit diagram.

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Sharp value 2 watt resistor Standard (CRT) Televisions ...

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value of r707 sharp model #27c241 R707 is 27 ohm 1/2 watt carbon resistor,if you ... What is the value of resistor R704 in SHARP TV model 21V-FK200M circuit ..

Check whether the audio is muted by accidental press at remote control button. Enter its sound menu, and check it. If muted, as you know there will be no audio output. If not muted, check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/
Check the voltage goes to audio amp circuit section.
Check speaker/s [If there is two speakers, both of it should be checked for coil continuity]
Check whether the audio is muted.
If all these are OK, check and replace the audio output IC.

http://elektrotanya.com/sharp_20lk31_20lk61_chassis_sn-70a.pdf/download.html

Try asking in English without all the acroknyms. I do not recommend opening one up and repairing it yourself.

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Short circuited component at its main board. 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 absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Give a special attention to its horizontal output transistor. Replace it, and check. Check this device for collector to base, or collector to emitter leak. Even a slightest leak, will cause sivere problem.

Service manuals are in PDF and cannot be included here by this window. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts.

TV sharp premo ret race line model no 20 W 70M

These sets are quite outdated, there are fewer and fewer repair shops out there for them.
The problem is most likely the power supply (internal), this can be repaired quite simply if you know what to look for. Other problems may or may not include a blown IC, fuse, lamp, or the tube itself.
The cheapest option you've got is to buy a new TV I'm afraid.