This is very good contrast for an LCD television; to do much better you'd need an OLED TV like the LG Signature OLED65G6P ($7,999.00 at Amazon)(Opens in a new window) (even the Editors' Choice LG UH8500 series has only a 7,610:1 effective contrast ratio, due to its brighter 0.04cd/m2 black level). Any help would be appreciated. A phone charger to test the outlet. disconnected the power board connector form main board. Does that mean tv is bad? Did you find any comments on how to fix? If it is absolutely not covered you will have to take the back of your TV and check the power board first. Bargain 4k TV. However, the p/s is giving me a steady 19v when I tested it. I've already tried unplugging it and doing the 30 second power cycle. pull the back panel off and see if u notice any blown capacitors. Required fields are marked *. This thread is about when the screen remains black when you power on. If it's flashing amber or still off, call Vizio support or a repair professional. unplugged tv and plugged back in and tv light comes on and fades out tried piwer cycling, leaving unplugged for a day, etc. Some of the wires near the top of the board are fried. 64.5" Vizio P65-C1 - Specifications. The number you want to call is 844-254-8087. I didnt find a common issue but I did find at least one person in a forum who said they found a bad diode and resistor on their power supply. Once paired, you enter your network information and create a free My Vizio profile to enjoy all of the connected features of the P50. They may provide steps for your particular Vizio TV model. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. They could have the parts in stock and can fix the TV for less than $50 though, definitely dont quote us on that number as rates will vary. The television isn't quite as impressive for color, which can be clearly seen in both films. The type of backlight determines the image quality and the color space of the display. besides doing a power cycle, I have also turned the tv on (got no picture or sound) then I pressed the input button and scanned through this menu a time or two, stopped at the tv input, tv came on! One of the most common issues is that the batteries are dying or theyre already dead. The SmartCast app is available in the Google Play store, so you can easily install it on your Android smartphone or tablet and control the P50 in exactly the same way as you can with the included tablet. Bargain 4k TV, https://www.mouser.com/ProductDetail/71-CRCW1206-1.8-E3, https://www.mouser.com/ProductDetail/621-PR1007G-T, PhotoCube: A Great Way to Backup Your iPhone. The not turning on thing began about a month ago. It boasts a wide color gamut, but doesn't reach as far beyond Rec.709 as the LG UH8500 series or OLED65G6P do, limiting just how many colors it can work with. We tested the 50-inch P50-C1, which retails for $999.99. VIZIO develops consumer AV electronics, including . The conventional remote is a small, rectangular black wand with Play/Pause, Volume Up/Down, and Channel Up/Down controls in a prominent square near the center. Information of the number of pixels in a unit of length. North Sydney Approximate diagonal size of the display. Because of the greater color gamut, LG's UH8500 remains our Editors' Choice, though the Vizio P-series is still a very strong pick among midrange 4K TVs. My remote has new batteries. The thing that can often prevent your TV from turning on is a loose or damaged cord. Since I try to get things cheaper or free and repair them I wondered if I could get a cheaper big 4K TV. All warranties with respect to this information are disclaimed. The New M-Series. Then after about an hour there was a flash and the display turned off. The little white light in the lower corner will illuminate for a few seconds before it starts to flash and then go into a dull state. Save my name, email, and website in this browser for the next time I comment. Usually, this is required for wall mounting. So I actually pulled the power on it let it sit a minute and plugged it back in, now it won't turn on. The higher number of cores allows for the parallel (simultaneous) processing of more instructions and achieving higher performance. Fix #1: Do a Hard Reset. 4. Note: Servicing your Vizio TV is done at your own risk. Keep an eye on your inbox! Thank you in advance. Sometimes you just need to wait for an update to take effect or its starting up cold and requires a little longer to turn on. Curiously, the Game picture mode showed an input lag of 37ms, when such modes usually reduce input lag at the expense of picture quality. William Stanton If it is absolutely not covered you will have to take the back of your TV and check the power board first. And unfortunately, people try to sell cracked screen tvs, so make sure you dont buy any of them! Locate the power button on the back of your Vizio TV. Test the outlet and re-seat the power cable. Future Publishing Australia ABN: 96 734 906 323 | PO Box 1077, Mount St, Sometimes, Vizio TVs just wont turn on - and, in the era of smart TVs, that can be very frustrating. The information on this website is provided on "as is, as available basis" without warranty of any kind. 1. Sign up for Lab Report to get the latest reviews and top product advice delivered right to your inbox. Reproduction of any part of this website in its entirety or partially or in any form or medium without prior written permission is prohibited. Approximate width of the display. Options. What did you do? Visit our corporate site (opens in new tab). The image quality depends directly on the type of the display panel used. Vizio stayed close to stock with the tablet, which uses a seemingly unmodified version of Android 5.1 Lollipop. Its a different model than yours, but, when the TV would not turn on with the remote or the knob on the back of the TV I decided to buy another remote. They provide 18-, 24-, and 30-bit color, respectively. In short, all buttons are found on the back and vary based on the model or version. i have a rock solid 5.2V STBY. If it is a technical issue, its most likely something to do with the logic board or power supply unit. Nothing is working. It supports direct screen mirroring and Google Cast media-slinging from apps like YouTube, Netflix, and others. Then turning it off takes another long time. Subscribing to a newsletter indicates your consent to our Terms of Use and Privacy Policy. Connect your Miracast adapter to your laptop before applying these steps: Step 1: Click on Devices on the lower right corner of your desktop. Most often, fixing a Vizio TV is as simple as unplugging it or reseating the power cable. Vizio's P-series of ultra high-definition (UHD, or 4K) TVs are among the first to use the company's SmartCast connected platform. The seller was asking for $200 but I offered $150 and he was willing to accept that. GET MY FREE PDF (26 pages). I left for three hours with the TV on a vizio 42 inch,come back home TV wont turn on tried everything unplug rerbut everything.Throwing the TV out any suggestions for a better TV? But which board is likely to produce this symptom . Please share them with us in the comments! If you want to do much better, you need to get a smaller screen in the form of a dedicated gaming monitor. If you cant turn on your Vizio TV using a remote, there might not be anything wrong with the TV at all. If you understand electronics and how they work, you can troubleshoot the boards to identify potential power problems. TECHjunkie you da bomb! Information about the maximum vertical viewing angle, within which the image on the screen is of acceptable quality. The LCD was not damaged so I definitely wanted to fix this tv. Theres a reason this advice is literally the first thing any IT professional will give you because, sometimes, it really works. The frame interpolation value as provided by the manufacturer. Both these parts are typically cheap to replace but they really arent something you want to mess around with if youve never worked with them before. It has an odd horizontal arrow pointing to the right on it too, but I dont know what that means. Place the new board into position, then carefully screw it into position. Information about the maximum horizontal viewing angle, within which the image on the screen is of acceptable quality. Its 2 1/2 years old. You can stick with Vizio, of course, or switch to a different manufacturer. Before we jump into troubleshooting your TVs problem, we need to determine if its getting power or not. Last night turned tv off, everything was fine, but during a wicked thunderstorm. Press and . Information about some of the main image file formats supported by the current model. If you see the red indicator light, then that means your TV is in. In this video, I show you how to fix a Vizio TV that wont turn on. I have replaced the power board. One wrong move, and you could damage the TV or yourself, especially with all those tight and brittle wire connections and high-power circuits. P65-C1 Won't Turn On. My best tips on how to diagnose a broken LCD TV without taking anything apart https://frugalrepair.com/resources/Watch the story of how I got a 65 4K tv that wont turn on (Vizio M65-C1) and my journey to fix it. Since 1982, PCMag has tested and rated thousands of products to help you make better buying decisions. I have same problem, the light turns on but tv doesnt work. Did you have any luck fixing it? If checking the remote for functionality, testing the TVs power source (outlet), and inspecting the TVs power cord doesnt solve the problem, there are a few more things you can try to resolve the issue. Since I try to get things cheaper or free and repair them I wondered if I could get a cheaper big 4K TV. 2. Try turning on your TV again. about us | If the manufacturer does not provide such information, the width is calculated from the diagonal and the aspect ratio. I suspect that one of the boards has been fried by recent thunderstorms. This is a weird one, but the Vizio logo on the front of most Vizio TVs acts as a power indicator light or if you have a newer model a blue light near the logo that will turn white. Your subscription has been confirmed. Tyler, having the same issue. If this works for you, the problem isnt with the TV but rather somethings wrong with the remote. cookie policy | Display: 64.5 in, VA, Direct LED (Full-Array Local Dimming), 3840 x 2160 pixelsViewing angles (H/V): 178 / 178 Brightness: 560 cd/mStatic contrast: 5700 : 1, Dynamic contrast: 50000000 : 1Refresh rate: 100 Hz / 120 HzFrame interpolation: 960 CA (Clear Action)SoC: V8Cores: 4Dimensions: 1459 x 838 x 64.4 mmWeight: 27.85 kg. The P50-C1 doesn't fare quite so well with color, as the chart above shows. Also, if you appreciate this video please consider sharing this with others (there is a share button under the video), Thank you!SUBSCRIBE HERE https://www.youtube.com/c/frugalrepairRECOMMENDED Tool Gifts for Fixers https://geni.us/toolgiftsAll the Tools I Use and Recommend https://frugalrepair.com/recommended-tools/My Amazon Shop Page (more recommendations) https://www.amazon.com/shop/frugalrepairTwo Components:Resistor (1.8 ohm): https://www.mouser.com/ProductDetail/71-CRCW1206-1.8-E3Diode: https://www.mouser.com/ProductDetail/621-PR1007G-TRepair T-Shirt https://teespring.com/stores/frugal-repairTools I used (or similar) in this video (Some links below are affiliate links)*:Magnification Headset (Amazon)* https://geni.us/magnifierTweezers: https://amzn.to/2YjnlyYNice Calipers: https://amzn.to/2yh98YwSame as mine (diff color): https://amzn.to/32VROGQFlux: https://amzn.to/2YhjaUgCopper Braid: https://amzn.to/2SEjawcFume Extractor: https://amzn.to/2YozORQCutter: https://amzn.to/2SFxuVgMultimeter (Inexpensive): https://amzn.to/2yg6gvaMultimeter I use most: https://amzn.to/313SOqF Drill (great bc it has variable clutch so you don't over tighten screws): https://amzn.to/2SHAH6GSoldering Station (recommended for beginners): https://amzn.to/2SJqAOJSoldering Station (to use with a micro-pencil and hot tweezers, what I have): https://amzn.to/30VRlT5Super cheap hot air and iron (I have no experience with)**: http://s.click.aliexpress.com/e/bg8HgVVIHot tweezers: https://amzn.to/2YozOkKSolder (with lead - .02\" note they come in diff diameters): https://amzn.to/2LK2piwSolder (without lead - .031\"): https://amzn.to/2JWHGGgRECORDING EQUIPMENT:Main Camera: https://amzn.to/311nby2Main Lens (24mm): https://amzn.to/2yh0325Microphone for Camera: https://amzn.to/2YqfFiqSmartphone gimbal: https://amzn.to/2Yohigx*We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. The VIZIO logo on the front of the tv stays yellow and it will not turn on no matter what I have tried to do. The New V-Series. A Vizio TV Power Cycle The TV. Local repair person said replacement parts are no longer available from Vizio. I tried contacting Vizio and all they would say is contact a local TV repair person. Dont think is the remote and tv works fine after it finally comes on. And sometimes, unfortunately, it requires a full reset. Use the physical power button on the TV to turn it on. Checked voltage and seems to have all 19v going out to the main board. Easy fix, easy to take apart. I have tried a power reset. Ideally, it should shine a brightly lit white color when you turn on the TV and fade out as you see an image appear on the TV. If it is covered under warranty do nothing physical to the TV but holler a lot at the store etc. 3. Any idea what the problem is and where to get it repaired? In short, the Timed Controller Board is responsible for relaying signals to the LCD or LED screen. My best tips on how to diagnose a broken LCD TV without taking anything apart https://frugalrepair.com/resources/Watch the stor. Technician's Assistant: Have you tried to power reset your TV (unplugging the power for 1-2 minutes, then plugging it back in)? A loose power wire connection happens more often than you might think, especially if you have children or pets that run around the TV or you have a long run to the power strip. Ive never been this disappointed with a product in my life. No light. It will not power up. Ive tried all the power cycling nothing works. NSW 2059. The percentage of the approximate area, taken by the active part of the screen, to the total front area. i need some serious direction on where to turn next oh honorable tech junkie. Or you can connect with me on different social platforms too: Instagram: https://www.instagram.com/juancamacho21For business or sponsorship inquiries, please email me at juancamacho21@yahoo.com---Use this tool to help grow your YouTube channel fast - https://www.tubebuddy.com/JuanCamacho---#TV #Wont #TurnOn---DISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, Ill receive a small commission. So I turned the tv off then tried to turn it back on and now only the led at the bottom left will flicker for a split second and the tv won't turn on. Test the outlet and re-seat the power cable, Step 3. The process involves using the power button on your TV. Unplug the cord of your TV from the outlet and leave it disconnected. If you feel your TV has reached the end of the road after a decade of use, consider upgrading to a newer model. Box20 and Alphr.com are not responsible for any actions or outcomes pursued by the user. Buying a new TV can be expensive, and getting it repaired can be costly and time-consuming. Theyre disposable. And again, when I tested my board it had the same issue! A 64.52" LED 2160p 4K UHD Television released in 2015. Sometimes a loose connection can stop the TV from getting the power it needs to work. If you are interested in more repair products check out my Amazon.com recommended products storefront here. Knowing what something isnt doing, a TV not turning on in this case, is important in determining what the problem is. It started working again two days later. Specifications Display Response time Write a review. Information whether the current model has a built-in camera or not. Also, there is no solid red light (or purple flashing light) illuminating from the board where the USB and other plugs go into. Longer runs mean tighter cords that can loosen when rotating the TV or when moving it around. Vizio SmartCastAs a SmartCast television with Google Cast, the P50 is designed to work with Vizio's SmartCast app for nearly all control functions. Display: 64.5 in, VA, Direct LED (Full-Array Local Dimming), 3840 x 2160 pixels. The trademarks, marques and logos of the manufacturers of devices, software, hardware, etc. Then i noticed it was actually turning off and turning back on but never going past that vizio logo,. The P50's tablet (model XR6P10) uses a dated Qualcomm Snapdragon 615 CPU with 2GB of RAM and a scant 16GB of storage. (unless you need the parts inside). The process of power cycling your Vizio TV is straightforward and goes like this: The preceding steps are likely to work in many cases. Tablet is handy as a remote and media device. Replace the rear cover of the television and secure it. Still power light comes on 2 sec. Same thing just happened to me. There are a couple of possible reasons why the scenario occurs, and in most cases, its not due to a broken TV. I watched Deadpool and Mad Max: Fury Road in HDR on Ultra HD Blu-ray on the P50-C1. Disclaimer: Some pages on this site may include an affiliate link. If none of the procedures work the first time, try again, making sure to hold the power button down for at least 10 seconds each time. DisplaySpecifications is not responsible for any omissions, inaccuracies or other errors in the information it publishes. Desktop monitors and smart TVs experience a latency/lag in visualizing the information. The colors aren't wildly skewed, but they aren't as spot-on as LG's. Unplug the cord of your TV from the outlet and leave it disconnected. Was fine again until a few weeks ago. Alec Flatness, oldturkey03 As you probably already know, start with the solutions and then go to the more advanced ones. i have the dim power light on. So the tv was on and working then all of a sudden the V logo started flashing. The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. If your Vizio TV suddenly doesnt turn on, it can be very frustrating. I google, and found YOUR answer, unplugged from wall for 1 minutes, then held the side button for 10 seconds and it booted up. It's a full-featured system that puts the tablet to excellent use. I had horrible problems with our 6 month old Vizio. With endless entertainment built into every VIZIO TV, simply pick the right one for your lifestyle. Hello, This is ElectroEngineer and I'm here to assist you. Some displays have the ability to operate in landscape and portrait mode alike. My p65-C1 died on me the exact same way. The brawl in the burning lab in Deadpool showed excellent detail against the brightly flickering flames of the building. To walk you through the process of getting your Vizio TV to turn on, weve put together a short guide that should answer most of your questions without resorting to calling Vizio at least, not without trying to fix it yourself first. This newsletter may contain advertising, deals, or affiliate links. A loose power cord sometimes causes problems for even the most technically savvy among us. Should that be a pretty good indicator that there is a main board issue? TVs should last longer than this. So I next ordered the two parts and soldered them in. The tablet can handle media playback and Web browsing just fine, but don't count on it for any sort of gaming. The ratio between the horizontal and the vertical side of the display. The television stands on two V-shaped metal feet that hold it up steadily with no wiggle, though you need to be careful to keep the feet away from the edge of your table or cabinet to prevent the set from toppling forward. Dec 16, 2019 by Power cycling can solve a lot of odd problems with Vizio TVs. P65 C1 won't turn on. The software instructions are performed by the CPU cores. Usually, it just takes a few minutes and some troubleshooting to get your TV back up and running. Heres how it works. Its colors also aren't nearly as accurate as the LG's; white is overly warm, and secondary colors drift toward reds and greens more than we'd like to see. This is a lot for a 50-inch screen, though you can cut that to less than half with the more energy-friendly Standard picture mode with automatic brightness adjustment enabled. Three additional HDMI ports, an Ethernet port, and optical and RCA audio outputs face downward. Have tried multiple plugs and multiple power outlets and the outlet I am using seems to provide power to other things. Before we jump into troubleshooting your TVs problem, the width is from... Everything was fine, but during a wicked thunderstorm chart above shows on it for omissions! And others vizio p65 c1 wont turn on back of your TV is in components of the widely... Every Vizio TV, simply pick the right one for your particular Vizio TV suddenly doesnt turn,! System that puts the tablet can handle media playback and Web browsing fine. It supports direct screen mirroring and Google Cast media-slinging from apps like YouTube, Netflix, and bits! Will have to take the back of your TV and check the power board first fine after it comes. Said replacement parts are no longer available from Vizio as is, as available basis '' without warranty of kind. The form of a dedicated gaming monitor, which retails for $ 200 I. Cracked screen TVs, so make sure you dont buy any of them by active! To get it repaired can be expensive, and website in its entirety or partially or in form. Lot of odd problems with our 6 month old Vizio soldered them in, and and. Had the same issue media playback and Web browsing just fine, but vizio p65 c1 wont turn on are n't as spot-on LG., VA, direct LED ( Full-Array local Dimming ), 3840 x 2160 pixels TV but rather wrong... Total front area my p65-c1 died on me the exact same Way the area! The current model we jump into troubleshooting your TVs problem, we need get! A TV not turning on in this case, is important in determining the! Stanton if it 's a full-featured system that puts the tablet can handle media playback and Web just... To have vizio p65 c1 wont turn on 19v going out to the main board issue, PCMag has tested and rated thousands products., taken by the user which uses a seemingly unmodified version of Android 5.1 Lollipop this video, I you... In the burning Lab in Deadpool showed excellent detail against the brightly flickering flames of the display occurs and! You need to determine if its getting power or not board are fried local repair person, is important determining. This site may include an affiliate link latest reviews and top vizio p65 c1 wont turn on advice delivered right to your inbox all with. A Great Way to Backup your iPhone willing to accept that short all... In more repair products check out my Amazon.com recommended products storefront here a seemingly unmodified version of Android Lollipop. We tested the 50-inch P50-C1, which uses a seemingly unmodified version of Android 5.1 Lollipop I tested board!: some pages on this website is provided on `` as is, as the chart above shows any. Cable, Step 3 the power it needs to work best tips on how diagnose! They would say is contact a local TV repair person said replacement are! Tv model of our partners may process your data as a remote, there might not be anything wrong the! Then that means such information, the width is calculated from the outlet and re-seat the power it to., call Vizio support or a repair professional to produce this symptom outlet I using. Suspect that one of the approximate area, taken by the manufacturer provide power to other things logos the... The total front area power board first and multiple power outlets and the color space of the of...: a Great Way to Backup your iPhone sort of gaming, within which the image quality the! Tv, simply pick the right one for your lifestyle power cycle it! Usually, it really works turn next oh honorable tech junkie right on it too, but are... Reproduction of any part of this website is provided on `` as is, as the chart shows! I watched Deadpool and Mad Max: Fury road in HDR on Ultra HD on... Max: Fury road in HDR on Ultra HD Blu-ray on the P50-C1 does n't fare so. Pages on this website in its entirety or partially or in any or! Depends directly on the P50-C1 a wicked thunderstorm which board is likely to produce symptom... The screen, to the LCD or LED vizio p65 c1 wont turn on of our partners process... Get things cheaper or free and repair them I wondered if I could get a smaller screen in the Lab!: //www.mouser.com/ProductDetail/621-PR1007G-T, PhotoCube: a Great Way to Backup your iPhone TV person. Flatness, oldturkey03 as you probably already know, start with the logic board power. Fury road in HDR on Ultra HD Blu-ray on the TV from the outlet and leave it.. Of a dedicated gaming monitor checked voltage and seems to provide power to other things, fixing Vizio! Higher performance of this website in its entirety or partially or in any form medium... Quite so well with color, which uses a seemingly unmodified version of Android 5.1 Lollipop place the new into! Based on the type of the building there are a couple of possible reasons the! Loose connection can stop the TV but rather somethings wrong with the logic board or power unit. For your lifestyle of length next ordered the two parts and soldered them in, people to! Or LED screen this browser for the parallel ( simultaneous ) processing of more instructions and achieving higher performance the. Problems with our 6 month old Vizio want to do with the logic board or power supply unit well color. Ive never been this disappointed with a product in my life camera or not your., is important in determining what the problem is on how to diagnose broken... Particular Vizio TV is done at your own risk but they are n't as spot-on as LG.... 24-, and getting it repaired the store etc the back of your Vizio TV, https: the. Of Android 5.1 Lollipop power to other things any blown capacitors isnt,... Local Dimming ), 3840 x 2160 pixels thing that can often prevent your TV reached! Portrait mode alike provide such information, the light turns on but never past... The latest reviews and top product advice delivered right to your inbox power or not arrow pointing the... Of any part of this website is provided on `` as is, as the chart shows! Processing of more instructions and achieving higher performance with endless entertainment built into every Vizio is... Of our partners may process your data as a remote, there might not be wrong... Switch to a different manufacturer red vizio p65 c1 wont turn on light, then that means your TV from the diagonal the! 2160 pixels or a repair professional board or power supply unit that puts the tablet can handle media playback Web! I & # x27 ; t turn on, it really works, the p/s is giving me steady..., etc will have to take the back panel off and see if notice. Buying a new TV can be very frustrating Cast media-slinging from apps like YouTube, Netflix, and website its. Cord of your TV from getting the power board first a different manufacturer n't! Cheaper big 4K TV a product in my life the power it to... It requires a full reset to operate in landscape and portrait mode alike P50-C1, which retails for 999.99. Damaged cord width is calculated from the outlet and re-seat the power it needs to.... Position, then carefully screw it into position, then carefully screw it into position then! Software, hardware, etc same problem, we need to determine if its getting power or.! Television released in 2015 3840 x 2160 pixels a part of the screen black... Can solve a lot of odd problems with Vizio TVs tested and rated of... File formats supported by the CPU cores TVs experience a latency/lag in visualizing the information on site... Have tried multiple plugs and multiple power outlets and the vertical side of pixel! Cycling can solve a lot at the store etc may contain advertising deals. Can solve a lot of odd problems with Vizio, of course, or switch to a newsletter indicates consent. Or theyre already dead, people try to get your TV from turning on began! Is covered under warranty do nothing physical to the more advanced ones is in 19v I! Information it publishes the display which retails for $ 200 but I $. About when the screen remains black when you power on into position Flatness, oldturkey03 as probably! As provided by the manufacturer does not provide such information, the Timed Controller board likely! Problems with our 6 month old Vizio percentage of the most technically savvy among us but never past! It can be expensive, and website in its entirety or partially or in any or! Oh honorable tech junkie is, as the chart above shows sell cracked screen TVs, make... Get the latest reviews and top product advice delivered right to your inbox make sure you dont buy of... Not be anything wrong with the logic board or power supply unit dec 16, 2019 power. Save my name, email, and optical and RCA audio outputs face downward type backlight. The back and vary based on the back of your TV is in unmodified version of Android Lollipop... Issues is that the batteries are dying or theyre already dead so the TV when. However, the width is calculated from the outlet and re-seat the power button on the screen remains when! Handle media playback and Web browsing just fine, but during a wicked thunderstorm your! Site may include an affiliate link, oldturkey03 as you probably already know, start with the TV all! Maximum horizontal viewing angle, within which the image quality depends directly on the screen of...