Question about Bush 2871NTX 28" TV

2 Answers

Power supply fault?

Hi all

Wonder if you can help.. have a bush 32" LCD TV - the green "power on" LED light is on, however the TV doesn't power up or have any sound or picture.

Can you please help?

Many thanks



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2 Answers

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  • Master
  • 1,665 Answers

Check all electrolitic capacitors at power supply area : better replace them.

Posted on Apr 15, 2008

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  • Bush Master
  • 13,433 Answers

Possibly the mainboard is faulty or possibly the power board but since you get a power led .. Id suspect the mainboard.

Oh this is a old style tv? Id have it checked but the repairs might cost alot.

Posted on Apr 15, 2008

  • Ekse Apr 15, 2008

    wait.. you posted it under a difrent name and type. but its still a lcd.. So yes



    Mainboard or powerboard / inverter.



    is the problem you can check for bad capasitors yourself. if they are bulky or something has come out from them then they would need to be replaced, might be better to replace the whole board or boards, the screen is most likely Ok!

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Posted on Jan 02, 2017

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http://www.chsinteractive.co.uk/pdf_data/KT02.pdf

Order Code….. KT02
POWER SUPPLY REPAIR KIT
BUSH MAXIM 1157 1154 Medion
Goodmans (Standard) 04TA069I 05TA71B 05TA071C
A standard power supply repair kit for faults attributed to the standby +5v rail.
BUSH IDLCD27TV006.
MAXIM 1154, 1157.
MEDION MD30112.
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The numbers off the boards will read: 04TA069I 26” 27” 30” 32”
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LCD TV POWER SUPPLY PROFILO-TELRA.
Please check the primary of TR20 before fitting the kit.
Primary windings should read approx 2.700mH / 4.00 Ohm.
We recommend all kits are fitted by qualified engineers
We accept no responsibility for loss, injury or damage caused by your use of this kit as a successful repair
depends on your own skill and fault finding ability.


Circuit Reference
Loc Description
F300 T3.15A FUSE
IC21 FSD200
IC30 ICE1QS01
D315 12V ZENER
D318 2V4 ZENER
Q300 BC337
Q302 BC848C SMD
D325 1N4007
C213 33UF
C322 47UF
C356 47UF
C330 1000UF
LINK (IF NEEDED)












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