Question about Nokia 6270 Cellular Phone

3 Answers

For network hi i am raj i have remove the network ic of this board as u see left side top top ic (black) for network problem not what to do please give me a solution

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  • Farhana mahamud Mar 15, 2008

    i boght my nokia 6270 at june 2006 ..after one year i was facing the network problem in my mobile ...i gave it to many place to fix the problem but they said it cant be fixed ...now i cant use it which is very painful...every thing in that phone is ok but there iss no network ...the phone is full dead without network..pls help...

  • Farhana mahamud Mar 15, 2008

    i boght my nokia 6270 at june 2006 ..after one year i was facing the
    network problem in my mobile ...i gave it to many place to fix the
    problem but they said it cant be fixed ...now i cant use it which is
    very painful...every thing in that phone is ok but there iss no network
    ...the phone is full dead without network..pls help..

  • Anonymous Jul 02, 2008

    i have a network problem. but when i manually select my operator it shows up. but for a few seconds its out again. pls help

  • Anonymous Nov 13, 2008

    All of a sudden I stoped geting network signals, even with Manual selection am unable to get any operators.. Please help.

  • shashirekha_ Nov 24, 2008

    even i ahve teh same problem of no network coverage since years. the service people repair it and again after 1 month the problem persisits. plz am really fed up...fix this. wat to do...

  • jackohm Jan 18, 2009

    ANYONE HAVE THE SOLUTION FOR THAT PLZ SENT ME A QUERY  TO MY ID JACKOHM1982@GMAIL.COM

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3 Answers

Try a solution
just give a heat on two ics shown on the top of the board
or reball the haiger

Posted on Feb 06, 2008

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Hi im atif ,my nokia 6270 mobile no network coverage .plz solve this problem

Posted on Feb 05, 2008

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I have nokia 6070 but no network

Posted on Nov 12, 2008

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Posted on Jan 02, 2017

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1 Answer

Why is my Maytag Epicz model #MGDZ600TW2 not starting and giving me an error code F01. What does it mean?


The F01 error code is typically a communication fault. You may have a defective main control board. Unplug the dryer or turn off the breaker to the dryer. Double check to make sure dryer has no power. Remove the screws holding the top on at the back of the dryer. Standing in front of the dryer push down and slide the top away from you then lift. With the top removed you will see a metal bracket on the left side housing a control board. Remove the control board from the bracket. You may want to take a picture to reference where the wires go. Remove the white cover of the control board then gently remove the control board from the white housing by pressing in the small tabs. If you see a black mark on the back side of the control board and the white housing replace that control board. According to your model number the main control board is part number W10111606.

Jan 29, 2015 | Maytag Dryers

1 Answer

Screen went black, no picture


Hi
This is more than likely your (upper Y buffer board) that has failed, turn your Tv off then remove the back and stand, once the back is off then look to your far left hand side you will see 1 x big board which is your Y SUSTAIN and further left of that you will see 2 x boards ( long rectangular shaped ) connected to that and to the screen via ribbon cables.
You need to replace the one at the top left.
They have a number on the board that you should right down then Google or Ebay it for a replacement.
99% of the time this will cure the problem.
If this helps please comment and vote.
Thanks

Apr 07, 2010 | Samsung HP-R4252 42 in. Plasma HDTV

1 Answer

Where is the convergance Chip located in this television SOny Projection KP51WS510?


Hi,
Remove back cover of tv and on left side thee is D Board that has 2 big black ICs mounted on big aluminum heat sink, these are convergence chips in Sony KP-51WS510 tv.
Below is an exploded view taken from service manual and convergence out chips location is marked with red just to give you an idea.
Hope this info will help you.
Thanks.

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Jan 23, 2010 | Sony Televison & Video

1 Answer

Please post instuctions for convergence chips for ws-55809


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Mitsubishi convergence IC replacement: this applies to sets that use (2) STK-392-570

The Idea here is to get the Middle Circuit board out so you can replace the Convergence Ic’s.


HERE is what you will need: (most of this you can buy on the internet or at local electronics stores)

Two new: STK-392-570 CONVERGENCE IC’S
One good soldering iron
Solder
De soldering braid or wick
Liquid flux
Heat sink compound (grease)
Denatured alcohol
One short Philips screwdriver
One small clean toothbrush
One electric screw gun to REMOVE screws

Turn the set on and examine the picture for how the Convergence looks bad---when you are done examine it again---once in a great while you will get and install a new IC that is bad. Remember this when you have finished—if the convergence is still bad but different from what you started with you may have installed a new I.C. that was bad. Turn the Set off.


  1. Unplug set.
  2. Remove back cover.
  3. Remove front speaker grill and inspection plate behind it.
  4. Remove the 2 or 3 black screws that go thru the back edge of the plastic frame that hold the chassis down.
  5. Where all the video and audio jacks are on the right edge of them you will see a diagonal plastic (Black) remove the two brass screws from the outside edge, remove another to the right bottom and a third smaller screw forward and to the left; remove plastic piece and all four screws and set them aside.
  6. Look carefully at main board in center of the set.
  7. You will find a number of screws hold it into the plastic frame.
  8. Towards the left back edge of this (to the right of the plastic you removed) you will find a metal cover with a small screw on either end. It has a lot of round holes punched in it.
  9. Remove both screws and pull the shield up and off---remove the board beneath it by releasing the two tabs on the bottom right side and pulling the board out—handle it with care as it is the digital convergence board that stores the set’s memory of adjustments. Set it aside
  10. At this point you need to pull the entire Chassis back at least a few inches---If it does not slide back look for a plastic latch on either side near the front of it. Some sets have the latches on the left or right side—black plastic tabs that lift up.

Nov 18, 2009 | Mitsubishi WS-55809 55" Rear Projection...

4 Answers

Intel d845 gvfn display problem.


sir i have a problemmy mother board intell d845 epi/d845gvsr my mother board is cannot desplayed or display is not come but if i remove rame the mother board is give error beaps if i attach ram board is not displayed

Apr 25, 2008 | Intel D845GBV (BOXD845GBVL) Motherboard

1 Answer

Faulty JVC PLASMA DISPLAY MONITOR model number GM-P420E Left side has a black line approx' 6-8cm wide from top through to bottom. How can this be repaired?


Does it have a buffer board? If so, check the IC burnt on the buffer board. If bad, replace the buffer board. Check the flexible connector exactly below or above the black line. Is it inserted correctly? Does it have an IC on the flexible cable? Is it brunt? If so, you need a panel. If the buffer board is OK, then you will need a panel

Apr 14, 2008 | Televison & Video

1 Answer

Hi i have a 93


The jumper looks like a staple from the top side . It is soldered to the bottom of the board. The copper trace can be followed from pin 2 through the staple ( jumper ) to pin 6 of IC 2004. Remove the staple ( unsolder from the board ) then solder the staple from pin 6 to pin 7 of IC 2004. The IC has a notch at one end. Pin 1 is the first pin to the right of the notch looking down on it from the top. The pins are in consecutive order 1,2,3 etc. Hope this makes sense.

Mar 12, 2008 | Televison & Video

1 Answer

Removing the case to get to the right and left click buttons


Raj,
This is how you do it:
Unplug the AC adapter and the battery.
Remove these additional assemblies:
1 Hard disk drive
2 Keyboard cover
3 Speaker assembly
4 Switchboard PCA
5 Keyboard
6 CD/DVD drive
7 Display assembly
Remove the two screws from the rear of the bottom case.
Remove the screws from the middle and near the back of the top case.
Remove the rubber screw plugs and screws from the bottom case.
Lift the top case off of the notebook and then disconnect the touch pad cable from the
motherboard.

If you need any additional information, please feel free to ask. If this information has assisted you in the resolution of you problem, please return here to give my assistance an appropriate final rating. If this information has answered your question and/or lead to a resolution, please rate it as "Fixya!".
Thank you, and have a super day!
Ron-

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4 Answers

Rainbow at the top and bottom of screen


Yep, you have a typical convergence IC problem.. if you knopw how to work on tv sets and know how to solder you can change then ICs and adjust the set. But if you dont, this is not a job for you to do . Find a tech to assist you in this repair. good Luck

Aug 23, 2006 | Mitsubishi WT-46809 46" Rear Projection...

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