Question about Philips Televison & Video

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Philips (37PFLG777K/12) LED TV do not turn and do not show the Standby LED. 3,3V Standby can not be meassure.

I have checked the 3,3V Standby Voltage on the connector to the Mainboard. The Voltage on the Average Voltage area can i measure. The DC Voltage side i can measure on some components. An array of capacitors do not have voltages. There are in the near of the connector to the mainboard of the power supply board. I have found a component that looks like a resistor. But it is not a resistor it has a transparent body and their are 3 rings on it. red black and blue. Is this a varistor? If i solder it out and measure it, i can not measure a transit or a resistant. Is it possible that this component is damaged? I hope you can help me. Kind regards Danijel

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  • Philips Master
  • 74,459 Answers

The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Dec 23, 2016

Testimonial: "Thank you very much for your help. Do you know if it possible that typically components on this and on other boards that have an defect. Many people have the same problem that the TV's going dead. That means that Philips maybe construct one or more components that becomes after time a defect."

  • The Knight
    The Knight Dec 23, 2016

    Hi Berg
    Normally Philips TV power supply boards are black boxes for repair. All of them will be very difficult to repair, as the component they used with it will be very difficult to get from open electronics spare market.
    So it will be good to replace it as card basis.
    Wish you a Merry X'Mas
    Hi in

  • Berg Kroate
    Berg Kroate Dec 23, 2016

    Ok. Thank you for the answer.
    Merry Christmas my friend!

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My tv continues to blink


What is the brand name of your TV? These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
Counting of number of blinks to Philips TVs is entirely different to that of other brand TVs. It is not a direct count procedure. The site have details about how to count the number of LED blinks [Fault Codes] to Philips brand TVs are given; along with details of the faulty circuit location.

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1 Answer

My sharp LC-46SV50U wont turn on


get the service manual and then open it up and do a voltage check on the 5v standby.

if it's not showing anything, then you need to hunt down if it's the ic, cap, or diode or a combination thereof.

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that is main board issue..

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Sony Bravia KDL-52XBR9 wont turn back on red led flashes unless I uplug and plug back in. Did firmware upgrade to newest aa0143pn, still happening.


There is a error in TV.Count how many times blinking the red light.

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1 Answer

I bought my son a 19" philips tv model # 19pfl340d/27.in order to turn tv on it must be unplugged for 10-15 minutes.The first one I bought did the same thing and I returned it.this one is exactly the...


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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.

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1 Answer

I tried several different cards but no luck. Cards work ok on other computers.


5V Stand-By Indicator LED
The power supply will always supply a 5V standby voltage to your
motherboard so that it can power on via for example Wake On Lan
technology. This LED shows that your power supply is supplying
this standby voltage to your motherboard.n :D

You may need to replace your power supply, if the LED is flashing, it's not supplying the power the motherboard needs.

[JP-25]

1 2 3 4 5 6 7 8 9
. . . . . . . . .
. . . . . . . .
10 11 12 13 14 15 16 17 18


1] Power Led (+)
2] --
3] Power Led (-)
4] --
5] --
6] Speaker (+)
7] --
8] --
9] Speaker (-)
10] Reset switch
11] Reset switch
12] N/A
13] Power Switch
14] Power Switch
15] ACPI Led (+)
16] ACPI Led (-)
17] HDD Led (+)
18] HDD Led (-)


For future reference you can download your motherboard manual here:
(PDF) Soyo K7VKP2

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1 Answer

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1 Answer

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