Just got my R50XBR1 back from the shop after replacing power supply, now the picture is fuzzy around images.. Looking at text on screen,can see green on one side and red on the other, colors not aligned together... Now what??
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Re: Picture quality poor
1. Try this - hold the menu button down for 10 seconds. TV should power up; you will have to turn off front panel buttons on menu.
2. You can also try a hard reset: Unplug TV from AC mains and remove all cables from TV. Wait about 30 minutes and replug to AC power and redo the cabling. Switch on the TV and see if it works..
if not please follow these:
Troubleshooting Tips: 1) Main cause of defective will be located on the KD-board 2) Confi rm KD-board is securely seated on the G2-board 3) Replace KD-board
Thats a fairly complex Chassis. Unless youre really good at dissassemble and reassembly of small components, I would suggest a Sony authorized reapir tech do the repair.
Certainly, I can help you. I would recommend going to the following link and getting the service manual so he can see first hand disassembly instructions and testing proceedures. Its only 10.99 and they email it to you shortly after purchase. The manual is a valuable resource as it will have part numbers in case you do need a new KD board. heres the link. http://servicemanuals.vstore.ca/
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By poor color quality, do you mean that if you turn the color control all the way down, the black and white picture is more like black and red, green or blue - or do you have a good black and white image? If the B&W image is good, and the TV is an old (8+ years) one, maybe the mirror inside the set needs a good cleaning - especially if there are smokers in the room. If you have a B&W picture that is tinted, then you may have to go into a service menu to adjust it back to a better picture. Hard to guess the problem without more specific description of symptoms.
Picture quality problems (such as lines, fuzzy image, or wrong colors)Check the cables and connections:
Make sure that cable connections are securely fastened to the connectors and try reaseating the connectors. If connecting a device using component cables, make sure all three color-coded cables are connected correctly into the corresponding connectors.
Check the condition and length of the cables. Cables that are longer than 3 meters (10 feet), become more susceptible to promoting signal degredation (small dots "sparkling" on the screen and image ghosting). Cables that have been bent or pinched may also cause picture quality problems. Replace the cable or try a different cable type. Press the CH button to display a different channel. Picture quality problems on a single channel or on all channels may be caused by the TV station signal (antenna) or the cable signal source.
Make sure that the image quality issue is not coming from your source signal. For example: if the image quality issues occur while viewing TV, switch the source to a DVD player to see if the image quality problems go away. If selecting a different input source (using the remote control) causes the problem to go away, troubleshoot the source device causing the problem - adjust aerial antennas, call the cable company for assistance, and . If a picture quality problem occurs on all sources, the TV or its settings may be the cause of the problem. NOTE: Higher resolution TVs will make it much easier to view signal problems coming from source signals - especially TV signals. For example, if your TV cable company experiences heavy load on their system, you may be able to detect small miscolored squares that briefly scatter across the screen (macro-blocking). On a smaller standard TV, this type of quality problem is much less noticeable on a standard TV, but can become very annoying when viewed with greater detail.
Open OSD to adjust the picture: Press the Menu button to open the OSD. Select the Picture menu and adjust the image as needed. If you cannot adjust the TV to fix the problem, reset the settings from the OSD to see if the problem goes away.
Unplug the TV from its power source. With the power cord unplugged, press and hold the power button for five seconds. Turn on the TV. If the image quality problems still exists across all types of signal sources, the TV should be serviced.
If this dosent solve your problem, letus know and we will find another solution, Dahaka
Below are some troubleshooting tips for a TV that has a fuzzy or blurry picture;
If your Plasma or LCD TV picture is blurry or fuzzy there are several things that may be causing the problem. It's worth running through the following list before seeking service. You may find yourself saving the full cost of a TV repair.
Make sure you are using the appropriate cable box for your TV. If you have a high-definition TV you should also be using a high-def channel box from your cable provider. Watching standard definition channels on a high-def TV can make the picture look distorted and fuzzy.
Not all cable channels are broadcast in high-definition. When you stretch a standard definition picture to fill the full frame of your wide-screen TV it may look distorted. You can try changing your TV display settings to show standard-def channels at their native resolution. This will create black or gray bands on either side of your picture.
Ideally all of your video components will be connected to your TV with HDMI cables. Your next best option will be component video cables. If your cable box does not have HDMI capabilities, contact your cable company about upgrading your box to one that does include HDMI.
Make sure there is no glare on your TV from a window or other strong light source. This can significantly degrade the quality of the image you are watching.
If your TV has digital noise reduction, try turning that feature on.
You can adjust your TV's sharpness and picture modes to see if that improves picture quality.
Try plugging the power cord into a different electrical outlet and/or surge protector. You may be receiving electrical interference through your power cord.
Trying moving any nearby electrical devices away from the TV. They may be creating interference that can degrade the picture quality.
Let me know if the above helps or not, so that I can direct you further on what do next.....
Hi, 4 times blinking light indicates problem with exhaust fan in KDS-R50XBR1 and possible causes are as follows: -Fan 1-4 power is not supplied. (ASU board) -Fan connector is not attached securely. -Fan caught wires or harnesses. Please check exhaust fan in tv, it is located at lower right of tv looking at rear of tv. Thanks.
You have problem with convergence. Have you tried adjusting in the users menu. This is a common problem in this type of TV, usually two convergence amp need to be replaced and sometimes sets of resistors are also to be changed.
This set has 3 CRT's (picture tubes)
Remove the back bottom cover
Clean the CRT's with windex and a soft cloth.
(Find the Screen/Focus block)----Remove front grill cover and panel which covers the Screen/focus block.
Cover 2 crt's and adjust the focus control for remaining crt---(using the convergence pattern in the menu for the set)
adjust for the best focus.
cover that crt and move on to the next crt using the same procedure.
After setting the focus on all 3 tube's you will have the best focus possible for this set. If picture is still bad, you have bad crt's and the set is junk.
Cost to replace the CRT's is enormous!
The problem is probably the convergence power supply.The switching power supply chip on the convergence board will burn out, producing a rounded picture with 3 separate colors. The chip is a long, heat-sinked SIP (single-in-line package) located on the convergence board. You can find replacements on ebay.
Your convergence module is probably bad.
It is a plug in module, so labor would be lower if the convergence settings are still good. The bill would be about $300.00 If not, the labor for convergence would add to the bill. If the whole job needed full convergence the cost would be about $500 to $600.
Hope this helps,