Question about Sony KP-61XBR48 61" Rear Projection Television

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The unit will not power on. It blinks twice then powers off. Each time I power it on, it blinks twice then powers off. No video, no sound.

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B+ over current fault in the power supply circuit, probably a few bad resistors and some switching regulators. Call your local shop for immediate service, its a rear projection TV so it shouldn't cost too much to service this kind of fault. Here's a little trade secret for you, one good way of getting more years of use from your TV is by using a surge suppressor opposed to a surge protector. A good one will start at around $69.00 from BestBuy or Wallmart.
Here's a little basic knowledge on what a surge suppressor is and what it does : Click Here and here's how some will look Click Here.
After you get your TV serviced, be sure to use a good quality surge-suppressor to fully protect your TV from violent AC spikes. Using one will and years of life too your TV :-)
http://tvtechwork.webs.com/


Posted on Nov 13, 2010

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Posted on Jan 02, 2017

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Please un-plug the cable between the main board & the power supply board, apply AC power to the TV, if the back light come on, that means the back lights & the power supply are OK, then you need to replace the main board; if the back lights does not light up, mostly the back light LED strip(s) is bad.

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My sony NSX40GT1 has blinking (twice) led only! ..no power on


OCP. Over Voltage Protection. The power supply regulator section circuit has the fault. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
LED blinking codes [Error codes] of many popular devices are given.

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I have an RCA D52W20 with chassis ATC 221 that no longer works. When plugged in, the green power light blinks twice and then goes out. When the power button is pushed the light blinks twice, then about 4...


The tv is going into protection shutdown. It will try to power up three times, but each time it tries, the microprocessor recognizes an overvoltage, or overcurrent draw, and after three attempts it will place the unit into protection shutdown. There can be many causes of this, but the most likely one is that there is a short circuit in the high voltage circuits. You probably have a shorted flyback and associated components.

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KV-40XBR700, won't come on, standby light blinks 7 times.


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My toshiba 42HL167 won't turn on


Try this fix from the toshiba website. Q. I have no picture or sound, but I have a blinking power light?
Models: LCD-2007
REF:FAQLCD00090
1. Try resetting the TV by disconnecting the power for 30 seconds and then plugging it back in. If this has no
effect, try moving the TV to a different power outlet that has been tested and is known to be good.
2. If your unit continues to fail, please contact our Customer Solutions Department at 1-800-631-3811 Monday
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What remote control code does the Onkyo TX-SR304 use?


1) Tap AUX
2) Press & Hold Setup (1 then 2 blinks)
3) Enter 30842 or 0842 (The remote should blink twice)
4) Press & Hold Setup (1 then 2 blinks)
5) Enter 994 (2 blinks)
6) Tap Setup (1 blink)
7) Enter "00051" (1 blink per number)
8) Tap Power (not All On, just "power") (The remote should blink twice)
9) Tap AUX
10) Press & Hold Setup (1 then 2 blinks)
11) Enter 30135 or 0135

Aug 27, 2008 | Onkyo TX-SR304 Receiver

2 Answers

TV won't turn on, red light flashes twice


Fortunately, Sony, of all manufacturers, has built in a diagnostic tool to help you decide what the problem is.

Below is a text on these codes. This is not your model, but the basic diagnosis remains the same. You can count the number of blinks and then look up the problem and solution below:

-----------------
Sony Blinking Codes
Many of the later model Sony TV's have a built in Self- Diagnosis function. If the timer/standby indicator is blinking, this could be an indication of the problem with the unit. The diagnostic blinking will occur automatically with no action required by you to engage it.
The timing of the blinking you see would be as follows: two to eight blinks (depending on the fault) about a third of a second apart, then pauses for 3 seconds, then the two to eight blinks about a third of a second apart again.
Here is a list of the problems that might have occurred indicated by the number of blinks. The words in parentheses are those which you will see for each of these faults on a diagnosis screen described later in this article.
Unit is dead and there are no blinks---Problem in the standby power section. Might check fuse, R607, Q601, IC601, R612 and VDR601 (should show open)
Continuous Blink Once A Second, No Pausing As Discussed Above---

No reply from the jungle IC301 (data bus is busy, shorted to ground or held high), IK video path is defective.
ONE Blink--- not used for the self-diagnosis
TWO Blinks---B+ over current protection (OCP) , unit goes to the standby
mode then displays the 2 blink fault. Could be a short in the power supply of
any of the circuits.
THREE Blinks---B+ over voltage protection (OVP), unit goes to the standby
mode then displays the 3 blink fault. This is also a problem in the power
supply circuit, check T603 and R672.
FOUR Blinks---No Vert. Deflection (V STOP), Screen goes to a single
horizontal line then the video signal muted. Check IC1509, Q1505
FIVE Blinks---AKB circuit (AKB), the timer/standby indicator blinks for about
30 seconds then goes to the self-diagnosis function. Something is wrong with
the video. Check video out, Q705, 732, 761 and other components on the C
board, also check Q218, 219, 220 on the A board. Also unit be in IK blanking,
try turning up screen slightly.
SIX Blinks---No Horizontal (H STOP), no raster, goes to the blinking selfdiagnosis
function immediately. Check C515 & 516 and the jungle IC, IC206.
SEVEN Blinks---High voltage shutdown. The high voltage has exceeded 33k
and the unit goes immediately into safety shutdown. Check power supply
regulation and horizontal circuits.
EIGHT Blinks---Problem with the audio (AUDIO), unit goes to standby and
blinks the self-diagnosis code. Check IC406 audio amp, PS401 and 402.
Intermittent problems ?? This is a great feature. You can also bring up
these fault codes ON-SCREEN to see a list of the problem numbers with the
abbreviation of the problem and the number of times this problem has
occurred. This is slightly different than entering the service mode. To see the
diagnostic screen, Press the following buttons:
Display, Channel, 5, Vol Minus, ( Not plus ) then Power. This brings up
a screen with a list of the problems and number of times they have occurred.
Each of the problem names is abbreviated as, "OCP", "OVP", "V STOP", ETC.
We have repeated them in parentheses in the text for the "Blinks" described
above so you can correlate between the diagnostic screen and the blink
codes.
So, now that you know about these self-diagnostics, how do you use them?
Say that you have a set with a black screen. You see that the LED is blinking
4 times....This would tell you that you have no vertical and that is why the
video is muted. If it was blinking 6 times, you would know that you have a
horizontal fault.
It's not a sure cure, but it's a little better than a poke in the eye with a sharp
stick.
IMPORTANT: after you repair the unit, PLEASE clear the values on this diagnostic screen. These codes do not reset themselves after the fault is 0 corrected, so if you don't clear them, you'll be seeing "old" fault codes the
next time you enter this screen. Clearing is done by going into the service mode ( display, channel, 5, volume plus, then power ) then press 8 and Enter, which of course returns
everything to the factory preset condition.

----------------

As a general rule, the blinking standby light means serious problems and you would be better off getting a technician involved.

This set is a very expensive one and it has some life left in it. Further it is a Sony, so you will be wise to get it fixed.

After studying the blinking codes, let me know if you have any further questions.

Have a great Holiday Season,
Cleggsan

Aug 08, 2008 | Televison & Video

2 Answers

No power


It sounds like the backlight or an inverter board on the television may have failed. Check your warranty status on the television to see if you can get it repaired by the manufacturer for free.

Sep 06, 2007 | Sony KDL-32S3000 32 in. LCD Television

1 Answer

Tv blinks twice


ak-blinking needs caps and resistors changed check Q601,Q602,T603

Aug 22, 2007 | Sony KV-27S66 27" TV

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