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No Picture, but sound for a minute, then shuts off
Before starting, Operation indicator is red (TV is in standby mode). When power button is pressed, Operation indicator flashes orange (as it should). After about a minute, Operation indicator turns green(as it should) and after a few more seconds the sound comes on, but no picture. After about a minute, the TV shuts off, the Operation indicator goes red, and the Lamp function light flashes red (Indicating a problem with the lamp or around it)for about 5 seconds then goes off. I replaced the bulb for the third time about 2 months ago. The Lamp indicator does not go orange which would indicate the lamp is nearing the end of it's life. The TV is a bit over 9 years old. I removed the bulb, and it looks fine (no haze, or cracking, etc.).
Replaced bulb with a new Osram original equipment bulb, and there is no change to operation.Replaced bulb with a new Osram original equipment bulb, and there is no change to operation.
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Most likely you can have 1 or 2 problems.
1! the light is busted and you will have to replace that. You might also need to check your cooler fan bearing as you indicate it makes noise.
Please open following link( you need acrobat reader)
this is the service manual for your TV
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Try following the steps below. Step 1 Press the power button once. If the TV does not turn on, observe the LED indicator, usually located on the TV's lower front panel. If the LED indicator turned off after you pressed the power button once, it is in standby mode. Press the power button once again to exit standby and turn on the TV.
Step 2 Observe the Standby light if the remote control will not work. If the Standby light stays on, the television is in Standby mode. Press the power button on the television, then try to use the remote.
Step 3 Turn the Energy Saving Switch off, then press the power button. The Energy Saving Switch is located on the rear or side panel on most Sony model TVs. Refer to your TV user manual for the exact location of the switch.
hi Shaun. How do I get my TV out of standby mode?
Press the power button once. If the TV does not turn on, observe the LED indicator, usually located on the TV's lower front panel. If the LED indicator turned off after you pressed the power button once, it is in standby mode. Press the power button once again to exit standby and turn on the TV.31 Mar 2015
In most cases the standby light might blink with different rapidity to indicate a fault relevant to the processor. It is possible that most of these indicate that there are errors in the processing section . Since there is a possible short or leak in the circuit the output driver section can take in huge current to trip the SMPS or from advice from the micro processor.Remove the power plugs and make sure thathigh voltage sections are discharged of the potential stored in capacitors. Look for visible signs of leak or of busted capacitors. Look for bulged capacitors or damaged components- burnt or busted. Use a multimeterto check the continuityor shorting in components, if so detach from circuit and test . If the voltage builds up and the set power ON and then shuts up then the suspected section must be checked in detail.
The processor must have the +5voltage to the function properly , the +B and secondary voltages also must be checked to infer the fault. Trace with caution and in running through the signal path , circuit trail.
The remote control will not operate the TV when the TV is in the OFF mode (No LED lit on front bezel). To change the mode from OFF to STANDBY or ON, press the POWER button on the side of the TV. Once the POWER button is pressed, the LED will change to either red to indicate STANDBY or green to indicate ON, whichever mode the TV was in prior to being turned off with the TV POWER button.
By pressing the POWER button on the side of the TV, the mode will toggle from OFF to either STANDBY or ON. If the POWER button is pressed and then the LED on the bezel is red, the TV is in STANDBY mode and will need to be turned on using the remote control. If the POWER button is pressed and then the LED on the bezel is green, the TV is ON.
On mine the indicator light is indicating that it is in STANDBY mode, which means it is OFF. Press the button again, which will turn off the light and now the tv is ON. Now merely press(possibly multiple times) SOURCE to find the correct source for your Cable/SAT and your good to go.
good grief - my TV just did the same thing - its locked in standby mode - I disconnected power several times - each time i reconnect the green light comes on for about a minute 9nothing happens on the screen) and then returns to the stanby mode
It does sound like a power supply problem but that can be misleading because a problem somewhere else in the TV can be "holding down" the power supply. This can usually be determined by using some isolation techniques.
Hi
Check the standby power supplies, then the run supplies, then the
h-driver circuit, then the H.O.T and flyback circuit. And in general look for bad transistors, diodes,
capacitors, resistors, faulty solder connections and etc.
BE ADVICE!!! if you don't have any repair experience and electronics knowledge leave it. Take it to an experienced tech or a service shop.
Good luck
Replaced bulb with a new Osram original equipment bulb, and there is no change to operation.
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