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the tv goes on stand by mode by itself. My 57' sony does not turn on but remains in stand by mode. Blinks 8x then... the tv goes on stand by mode by itself. My 57' sony does not turn on but remains in stand by mode. Blinks 8x then...
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Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.
The Blue SCREEN setting is too high. These adjustments are located inside the TV behind the front panel. There are two screws behind covers and then a wooden panel to remove to access the adjustments. The leftmost set are for BLUE, the middle are GREEN, and the right are RED. The top row are FOCUS and the bottom are SCREEN. Focus will focus/unfocus the tube and Screen will adjust the power of that tube (there are 3 tubes, one for each color). If Screen is adjusted too high, horizontal lines will appear (my TV had red lines, but I played around with the knobs and saw that it could happen on any of the colors). Additionally, if SCREEN is set even higher than that, the tube could go so high that it turns the whole screen that color (in your case, blue). If this happens the TV will shut down, probably due to either overheating or overvolting. To fix this issue, turn the appropriate SCREEN dial down until the lines go away. In your case, you want to turn the lower left dial down. Don't turn it too far down, if you turn it more than necessary the TV can give you an AKB error (noted by the STANDBY light flashing a sequence of 5 blinks).
if you take the front cover off the tv, you will see 6 little nobe, the top 3 are focus, bottom 3 are brightness, should be RED-BLUE-GREEN in order from left to right, find the one that is blue, turn it down a quarter turn, should fix the problem
or a new lamp. you could first replace the lamp. the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.
Mine just did the same thing. Except for it was green instead of blue. The service manual states 8 flashes from the light stands for an overvoltage. After reading the manual for a bit I realized the bottom row of 3 adjuster screws from behind the speaker grill adjust the output for the red, green, and blue colors. BEFORE OPENING ANY TV OR MONITOR PLEASE KNOW THAT THE VOLTAGE INSIDE CAN KILL YOU EVEN IF UN-PLUGGED so please be careful and only adjust what is mentioned here. I un-plugged the tv, removed the grill and the board covering the internals, and carefully turned the 3 adjustment screws all the way down. I then waited about 10 minutes (don't know if this made a difference). I turned on the tv, turned the channel to an auxilary input (for a black screen), and slowly raised each of the 3 bottom screws one by one up clockwise until i could see a faint green, blue, or red line (depending on the screw), and then turned each one back a hair until the screen was black again. Only adjust one at a time, the order for colors are blue, green, then red from the left. I hope this fixes your problems. Be careful when working inside a tv, I suggest not using a screw driver to adjust the screws due to the possibility of it slipping and someone getting hurt.
the tv goes on stand by mode by itself. My 57' sony does not turn on but remains in stand by mode. Blinks 8x then...
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