Question about Nokia N72 Cellular Phone

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Mother board short shurcute

Due to water gon into the mobile after wards only white light displaying after shown some body they told mother board has to be change

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Nokia72 mather board short shurcute please halp me.

Posted on Mar 09, 2010

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Display problem due to track break in mother board


First rule: Never handle ANY electronic devices WITHOUT
wearing your (ESD) anti-static wrist-straps... EVER!

It could be more damaging than a cesspool would ever hope.

If you are not adverse to purchasing from eBay: China sources there (free shipping) sell cases, screens batteries up-to whole un-locked GSM phones for under $20...

Having no personal knowledge of the NOKIA 2700 motherboard... I am just assuming that it is a multi-layered board (not actually suited to solder/trace repair.

I believe board replacement would be cheaper... and since I am seeing NEW PRODUCTS (with free shipping from China... my opinion (with extensive back-ground in water-recovery of electronic devices... ...Minutes & hours is possible IF ALL POWER IS IMMEDIATELY REMOVED... immediately field stripped into smallest components, contaminants removed (washed)...
Then DEHYDRATED for DAYS... you MIGHT have something worth saving...

but...

Untreated for Days... and as you said "WEEKS" you are assured to have corrosion, electrolysis & galvanic tinseling on the PCBs alone...
Connectors, batteries, switches, jacks and $4 displays are simply not worth the effort...

Whole-phones on eBay.

Sorry.

If you think you want to TRY to save your SIM Card...
wipe it completely clean with a 90% isopropyl MOISTENED (only: soft/clean) cloth. Take a SOFT (graphite) pencil and gently (smoothly) draw on each contact completely.

Repeat the 90% isopropyl MOISTENED (only: clean) cloth wipe down and let it dry.

Take a clean toothpick and put a (NEARLY invisible) SPECK of white lithium grease on each SIM contact...

Wipe it all off with a clean cloth... You are now free to TRY to use your OLD SIM card under your new contacts (keeping in mind that SIM has been WELL beyond any/all design considerations... and can damage its NEW host)... I'm just saying.

Good luck.

nokia 2700

Apr 13, 2016 | Nokia Cell Phones

1 Answer

Batteries and phone very hot


There is a short in the phone that causes a high rate of battery discharge resulting in a overheating battery.
This cell phone is faulty and I suggest you get a new cell phone.

May 21, 2013 | Nokia 5130 Cell Phones

1 Answer

I have htc p3400. i replaced the battery but my phone is not turning on. no indication that the battery is charging. (no orange light). when i switch on the charger, only once the light (red & green...


PHONE IS DEAD WON'T COME ON
If the mobile phone does not switch on, it is called a dead mobile.
It can be due to many reasons
1. Water damage
2. Fall down
3. Not used for a long time ( Mostly battery is down)


(1) Check the Battery. It should show 3.7 volts or as written on the battery.

(2) Check the Battery Connector
Check two things (a) Voltage coming or not (b) shorting
Note : If there is shorting then clean the circuit in ultrasonic cleaner (Remove display, camera, etc before putting it in ultrasonic cleaner )
Clean the circuit with a soft brush and make it dry with a hair dryer or ****er.
If the shorting doesn't go it may be due to shorting in an ic,capacitor or circuit. if shorting is in ic u can check it by attaching a battery then press the on-off switch keep the battery for 10-15 seconds. after that remove the battery and check which ic becomes hot. Reball or replace that ic. If shorting is in circuit it must be removed by ultrasonic cleaner
Note - The circuit is made of three layers. if there is shorting in the middle layer it cannot be removed
(3) Check the On/Off switch & voltage at on-off switch
Note - Connect a charger. If charging is shown on display then the problem is with the on/off switch or software problem

(4) Try flashing the mobile.

(5) If flashing cannot be done then there is hardware fault we first dry solder the Flash IC & RAM IC and check in the Software. if flashing cannot be done then we dry solder/reball/replace flash ic & RAM ic.After that dry solder/reball/replace Power IC, Network IC, Crystal, CPU :D:D

Jun 17, 2011 | Cell Phones

2 Answers

Replaced mother board due to error code c2 11 as per rheem tech department. now code 11 flashes after 3 to 4 minutes of use and unit shuts off. WHAT NOW????


Rheem, Richmond, Ruud, and Paloma are all the same manufacturer. After about 9 months, my tankless RTG-74PVN started giving me error code 11 and cold water!. I fixed it by cleaning the burner, as shown in this video:
www.howtolou.com/clean-a-burner

Dec 29, 2010 | Rheem Paloma PTG-74PVN / RTG-74PVN...

1 Answer

I am not able unlock my htcp3300 screen


dearsir.,

This is sudhan iam handle in htcp3300 professional 6 Rom3.7.707.1 rom version , my mobile is operating system is corrupted how to make the solution sir
iam press the voice recorder button and power button hole press appear on 3 colour on display blue,red , green and white no go to next step
iam one day update the 6.5 dragon version updation, updation is sucessful and no boot the mobile, yesterday go to htc service center that service enginner told me operating system is corrupted iam so many time update the version that mobile htcp3300 cannot accept the operating system in htc p3300 , only one solutiion is avaliable u change the mother board

Jul 28, 2010 | HTC P3300 Smartphone

1 Answer

Bad response from mobile repair center


hai.friend .display problem might been solved by changing strip.

May 13, 2010 | Samsung J700 Cellular Phone

2 Answers

Comes on but then goes right back off and power light blinks red and green


hi. this is a main mother board issues with a number of circuit component failures. the power section of this unit is safe but, the main assembly will need to be repaired. the quick shutdown is signaling merging circuitry, due to a heat related issue.

This can be fixed by replacing the entire mother board in this unit.

May 18, 2009 | Sony Audio Players & Recorders

2 Answers

Display blinking and turn in to white color with black lines


no its not a driver you have a video chip getting ready to fail.on the v2000 it intergrated in to the mother board. soon you will be joining many other compaq v2000 and m2000 owners in the search for a mother board compaq has updated part numbers it a whole differant board for these units due to having a common failure rate of the original mother boards.Compaq know there was a over heating of the video chip that leads to failure but has not offered any assistance to there customers. john@johnslaptops.com

Feb 17, 2009 | HP Compaq Presario V2000 Notebook

2 Answers

Bad service


youcan order the parts from samsung

Nov 19, 2008 | Samsung SP 56 K 3 HV 56" Projection...

7 Answers

HELP! I CAN"T SEE THE DISPLAY ON MY PHONE


Dear u open ur mobile and reconnect the lcd connector to mother board. if still prob u neeed to repalce ur LCD.

Jun 05, 2006 | Samsung SCH-a650

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