Question about Philips 26MF231D 26 in. LCD Television

5 Answers

Power light on but no picture

I have the green power light on the front of the tv but when I push the on button either on the remote or on the tv nothign happens. The green light blinks indicating that it is getting the signal from the remote. I unplugged the power cord for 1 minute and plugged it in again still nothing. Any help would be appreciated.

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  • Anonymous Mar 19, 2014

    connected roku to flat screen tv. Plugged in. It did not work. pushed reset, no good. power light not on

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5 Answers

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I have the schematics I paid to get them but in there it states a trouble shooting the following

3.No picture/LED is green note I will share the schemadic if requested, for free hated to buy but only way I got it
Check
power board 1088,
pin1~5=24V,pin6=
2.6V pin7=6.1V
if No Check power board
Yes
Check if
working voltage
3Q03=3.3V,3Q27
=3.3V
No
Check circuit around
each regulator and
eliminate short and
open situation
Yes
Check if clock
source 1H00
if no Replace 1H00
Yes
Check if
7J00 RGB,
clk,H/V and DE signal
output 128 bits
TTL
No
Try to replace
flash Rom
EEPROM
Check
resistors-network
No Replace bad resistorsnetwork
Yes
Yes
Replace LVDS cable
Yes
Replace LCD panel

Posted on Nov 02, 2008

  • German Isales
    German Isales Mar 11, 2011

    Hi victornew37
    I need the schematic for Magnavox 26MF231D-37 service manual. Please i have the set and i have the on/off power problem replaced the power supply and still the same so im thinking is the video board but i need to find what part on the board causes that to happen as a safety feature. Please email me a copy (computertech1990@gmail.com) Much appreciated thanks

  • Jeremy Themm Aug 07, 2013

    Please send me the schematic. I am having the same issue. themm84@hotmail.com.thanks

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I've got the same problem. No sound, no picture, just a green light. The light comes on when its plugged back in. No buttons work. Occasionally the light flashes off.

Posted on May 30, 2008

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  • Philips Master
  • 1,689 Answers

This is most likely a power supply failure. It can be due to some other components in other areas of the set also being defective.


Jerry G.

Posted on Apr 12, 2008

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  • Expert
  • 186 Answers

Any sound when the tv is on with a black picture?

Posted on Apr 12, 2008

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What is nothing happens? try putting in some signals and give us a full history.

Posted on Aug 10, 2007

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