Question about Sharp 25L-M100 25" TV

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No reception but video ok ,sound ok raster already replace tuner

Sanyo

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Check whether the tv is in music mode .if yes turn it off

Posted on Sep 28, 2008

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How to fix 14v-s100 sharp crt tv no raster only channel and volume display on screen


If there is no video signal input, this kind of fault can occur. An abnormal "Screen" voltage too can be the cause. If video processor IC or the tuner is faulty, this kind of fault can occur too. You should check all this. If you wish to get some details; check the site linked here. 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 and press "Enter".
http://electronicshelponline.blogspot.com/

Jul 25, 2014 | Sharp Televison & Video

1 Answer

Channel is blaster only av is ok


if only a white raster and can not get any channel you have either a loose connection or a bad RF tuner which you need a proper trouble shooting.

Jun 19, 2014 | Sanyo Televison & Video

1 Answer

Sanyo lcd-32k40 features


  • Model: Sanyo 32K40 Multi System LCD TV
  • World-Wide NTSC/PAL/SECAM Color System - Watch any video signal on this TV!!
  • World-Wide NTSC M, PAL BG, PAL I, Secam BG, DK/ PAL DK TV tuners
  • 32 inch LCD TV with 3 HDMI inputs and PC input
  • USB input for direct media playback
  • 45,000:1 Dynamic Contrast: While viewing either very bright or very dark scenes, it can be difficult to distinguish main images which blend into the background.
  • Dynamic Contrast dramatically mitigates this problem by adjusting the backlight intensity, providing up to a 4X improvement in contrast.
  • 6.5ms Response Time
  • Widescreen 16 X 9 Format
  • World-wide Dual Voltage 110-240 volts 50-60 hertz
  • HDTV monitor (HDTV tuner required for HD reception)
  • This is a multisystem TV. All Multi System TVs in the market do not have a digital TV tuner: What does this mean?
  • To watch digital channels (ATSC Broadcasting in US and DVBT broadcasting overseas) you need a digital source/tuner like a cable box, digital tuner, satellite service, etc.
  • To get the best quality video on this TV you need a source that has a digital connection like HDMI or component.
  • Wide Screen Mode allows you to watch conventional 4:3 aspect ratio broadcasts in wide screen (16:9) mode.
  • Steady Sound® equalizes volume levels so there is consistent output between programs and commercials.
  • Built-in hidden speakers includes 2 (5W x 2) speakers to deliver dynamic sound.
  • Component Video Input offers the best video quality for DVD (480p and 480i), and digital set-top box (1080p, 1080i, 720p, 480p and 480i) connections.
  • PC Input allows you to connect your PC and display the PC screen on your TV.
  • Surround Sound Audio Effect

Mar 04, 2011 | Sanyo 42 in. LCD TV

1 Answer

Aquos LCD tv no pic or sound on HD tv


The tuner is one board but I wouldn't suggest anyone but a qualified technician to replace it.

Oct 17, 2009 | Televison & Video

1 Answer

Sony lcd kp60xbr800 no raster in tuner all voltages ok. in tuner power ok, menu ok, but no raster please help sergioaguirre0182@hotmail.com thanks


You have a lamp driver error that can be and most likely is faulty and has to be replaced,Also i would not recommend you putting a bigger lamp unless the part numbers are the same to the lamp you are replacing.Moreover most of sony's error codes are the same from crt to lamp tv set like your lcd model tv set, the same concept was used to built your lcd tv set just with different features.

Sep 08, 2009 | Televison & Video

1 Answer

IM A TV TECH. I HAVE A SONY LCD KP-60XBR800 I HAVE NO RASTER. POWER OK, MENU OK BUT NO RASTER ON TUNER, TUNER VOLTS OK,CAN YOU HELP ME PLEASE. THANKS my email sergioaguirre0182@hotmail.com


check the high voltage with the screen control turned up high where there is no raster. suspect problem within the video circuit where there is no high voltage or defective picture tube.some time when the screen is black and the screen control advanced,you can see if the tv has video or vertical or horizontal problems on the screen.service the high voltage circuit if there is no raster or high voltage is seen.no raster can be caused by the no heater or filament in the CRT.---- a defective picture tube can cause many problems, such as, poor brightness ,missing colors,intermittent picture,poor focus,a single-colored raster,arching in the gun assembly,retrace lines in the picture,negative picture,chassis shutdown,noheater or filament lit and no raster to name a few.an open filament or heater can cause no picture or no raster symptom.a defective CRT can have an extremely bright screen.loose particles of the cathode element can lodge between the grids and cause an intermittent black and white picture. simply tap the ends of the CRT gun assembly and notice if the picture begins to flash off and on.---- with a leaky picture tube after turn on the raster dims and get extremely bright.a dim picture with no green in the raster can result from a bad green assembly. a heater-to-cathode short can cause a raster to change colour or a result in no raster at all.replace the picture tube if there is severe arching in the neck of CRT. excessive brightness with retrace lines and a vertical collapse to a thin line can be caused by a bad coil on the neck board of the picture tube.rejuvenate the picture tube when there is very bright green screen. check for the resistance change on the resistors of the CRT neck board for an excessively bright picture with retrace lines.excessive dust inside the CRT spark gaps within the picture tube socket can cause the very bright raster and the chassis shutdown.a defective video amp,luminance buffer,or reference transistor can cause a bright picture with retrace lines. -------- for getting any required parts to replace you can get it from www.radioshack.com or from www.partstore.com or from www.shopjimmy.com --------- thanks.please do rate the solution.thank you for using fixya.keep updated.

Sep 06, 2009 | Televison & Video

2 Answers

SANYO DS31590 TELEVISION


No digital tuner inside. Will have to have a converter box in Feb 2009 for digital: Search "the fcc on digital tv transmission" on the internet for useful information on the upcoming digital age..

Dec 22, 2007 | Sanyo DS31590 31" TV

1 Answer

Sound problem


 

  1. no picture &no sound raster ok.

 

  1. your problem is in tuner to vif section.
  2. check supply to TUNER & VIF section .
  3. check loose contact in above section.
  4. check components in VIF section.
  5. for ckt open the web site & download it fron there as given here.
  6. hope this will help.
  7. good luck.

http://www.eserviceinfo.com/index.php?what=search2

Oct 11, 2007 | Televison & Video

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