Question about Sony KP-53XBR45 53" Rear Projection Television

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Sony KP53XBR45 Customer was watching it and the picture just whent out but still had sound. Now when press power button the LED light flashes 7-times and won't turn on. Any suggestions? Thanks, Alltech Service.

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Are you getting sound? If not, then your power supply is faulty. If you sound but no picture, then an IC or STK capacitors are faulty depending on what type of tv it is.

Posted on Sep 23, 2009

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I have a Sony BDP S370 and I would like to make it region free for my DVDs.


hi,
u can make your dvd for region free DVD play back. but for that you have to purchase an universal remote (ONE FOR ALL URC-7950). through this remote only you can make player DVD region free.
first of all u have to set( program) the remote for the same purpose.

Full procedure for the OneForAll URC-7950 remote is as follows:(preparing remote)

1. Press DVD
2. Hold the magic button until the Power key flashes twice.
3. Press 0533

4. Hold the magic button until the red led flashes twice.
5. Press 994
6. Press Magic key (don't hold)
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11. Press Magic Key (don't hold)
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14. Hold the magic button until the red led flashes twice.
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16. Press Magic Key (don't hold)
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19. Hold the magic button until the red led flashes twice.
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24. Hold the magic button until the red led flashes twice.
25. Press 994
26. Press Magic Key (don't hold)
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The remote is now programmed and ready to use, to make the BDP-S370 region free

1. Use the remote that came with the player to bring the player out of standby, make sure there isn't a disc in it.
2. Press 1, 2, 3, 4, 5 on the OneForAll URC-7950 remote. The power light will start flashing. (blue middle light)
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4. Next time you turn on the player it will be region free for DVD playback.
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1 Answer

Sony KP53XBR45 Hi, this tv lost video while watching it but still had sound. now when press power button the light flashes 7-times and will not power up. Please help, Thanks.


the IC's on the circuit board will have to be replaced. it is common. this controls the convergance which seems to be off. the stk's can also be bad causing no picture. Depending on what type you have. You can get a manual and a tester and test each cap to see which one is the faulty one.


Sep 23, 2009 | Sony KP-53XBR45 53" Rear Projection...

1 Answer

No picture or sound


Does anything start to work? Any of the three fans start to turn, Lamp ignite, etc., when you press the power button or does nothing happen before the Red LED starts blinking. How many times does the RED LED blink?

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Sony kp53xbr45 rear projection will not turn on. stanby blinks 7 times.


If LED blinks 7 times it indicates high voltage.
Check power supply and Horizontal Circuit

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How many times does the timer light flash between pauses?

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No picture


you have the ATC311 chassis. do this proceedure and you can track down where the problem is. let me know if you need more assistance. i can also post a link where you can get the training manual at a cheap cost emailed to you if you would like a copy.
5. Apply AC power and press power button.
6. If LED turns on and then off, disconnect J11501 (Audio CBA) and press power
button again. If power LED comes on and stays on suspect Audio CBA. If LED
still flashes or does not light go to step 7.
7. Disconnect J26903 (AV IN CBA) and press power button again. If power LED
comes on and stays on suspect AV IN CBA. If LED still flashes or does not
light go to next step.
8. Disconnect J19500 (Convergence CBA) and press power button again. If
power LED comes on and stays on troubleshoot the Convergence CBA. If
LED still flashes or does not light go to next step.

9. Disconnect J14801 (Deflection CBA) and press power button again. If power
LED comes on and stays on suspect Deflection CBA. If LED still flashes or
does not light suspect DM2 module.

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4 Answers

Doesn't turn on, but LED blinks 5 times


The flashing light is an indication of the sweep falure. Most of the time it is in the sweep output section, like the flyback transformer and or the horizontal output transistor. Most of the time it is the flyback that causes all the problems and componet blowouts in these sony TV sets, but it is also sometimes the vertical output IC that shorts out the sweep power supply. In any case a solid state set is no where to be experimenting around with and should only be worked on by a trained service tech. Good Luck

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