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Go Back   GSM-Forum > GSM & CDMA Phones Hardware Repair Area > Hardware Equipments for GSM

Hardware Equipments for GSM All about Hardware Instruments and equipments like Soldering Stations, Hardware Tools, Oscilloscopes , Frequency Counters ..ext.

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Old 10-29-2019, 21:19   #1 (permalink)
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Make Short Killer Tool Free


in my carrier receive many dead short phones some was repaired after hard work of hours some returned without repair----
chinese make a tool short killer 60$ find out shortage and repair phones..
-------
HERE WE ARE GOING TO MAKE IT FREE AND FREE
1-
CHECK THIS PHONE FULL SHORT

2-
CHANGE METER PROBE STILL FULL SHORT

3-
OPEN ANY POWER BANK AND REMOVE BATTERY

4-
CONNECT GROUND BLACK POINT TO GROUND AND RED ON BATTERY +
JUST FOR 3 SECONDS
.

5-
AND YOU WILL GETT BURN CAPACITOR LIKE THIS SOME CASEES IC PROBLEM THEN IC WILL HEATUP USE FLUX OR SPRAY TO FIND
MINE WAS CAPACITOR


6-
FINALY REMOVE BURN CAPACITOR AND PHONE IS WORK
<BEFORE I WAS WORK ON 2 J1 REMOVE ALMOST EVERYTHING CAP IC ON BOARD SPENT HOURS BUTT SHORTAGE WAS NOT REMOVED>
BUTT TODAY ITS TOOK 2 SECOND

=================
AS I WRITE WE ARE GOING TO MAKE IT FREE EERY ONE SO POST YOUR IDEA AND PICTURES HERE TO IMPROOVE AND ADD MORE FETURES IN SHORT KILLER TOOL
MY IDEAS
1-CAN ADD FUSE 0F 5 TO 10 AMP FOR SAFETY

2- CAN ADD VOLTAGE REGULATOR
BATTERY MOSTLY GIVE 3 TO 5 VOLTS
BUTT WE CAN RGULATE AND START CHECKING FROM 2 VOLTS
IFF SHORTAGE NOT DETECT INCREAS VOLTAGE 3,4,5....
ITS IMPORTANT FOR BOARD SAFETY HIGY VOLTAGE MAY DAMAGE PRINTS OR CPU OR EMMC OR ANOTHER SO START WITH 2 VOLTS


=====================
SHARE YOUR IDEAS FOR IMPROOVE YOUR SELF MADE SHORT KILLER PICTURES
AND ALSO COMMENTS ABOUT THIS THANKS

Last edited by chand_gee; 10-29-2019 at 21:24.
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Old 10-30-2019, 04:48   #2 (permalink)
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Very good work keep it up
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Old 10-30-2019, 06:42   #3 (permalink)
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good idea sir thankx
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Old 11-01-2019, 22:40   #4 (permalink)
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very useful thread , very good bro .thanks
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Old 11-02-2019, 02:38   #5 (permalink)
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Tablet clone battery is tested to..
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Old 11-02-2019, 10:12   #6 (permalink)
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thank you brother..!

you are a true helper. keep it up.
MAY ALLAH BLESS YOU ALWAYS
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Old 11-08-2019, 09:19   #7 (permalink)
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Quote:
Originally Posted by chand_gee View Post
in my carrier receive many dead short phones some was repaired after hard work of hours some returned without repair----
chinese make a tool short killer 60$ find out shortage and repair phones..
-------
here we are going to make it free and free
1-
check this phone full short

2-
change meter probe still full short

3-
open any power bank and remove battery

4-
connect ground black point to ground and red on battery +
just for 3 seconds
.

5-
and you will gett burn capacitor like this some casees ic problem then ic will heatup use flux or spray to find
mine was capacitor


6-
finaly remove burn capacitor and phone is work
<before i was work on 2 j1 remove almost everything cap ic on board spent hours butt shortage was not removed>
butt today its took 2 second

=================
as i write we are going to make it free eery one so post your idea and pictures here to improove and add more fetures in short killer tool
my ideas
1-can add fuse 0f 5 to 10 amp for safety

2- can add voltage regulator
battery mostly give 3 to 5 volts
butt we can rgulate and start checking from 2 volts
iff shortage not detect increas voltage 3,4,5....
Its important for board safety higy voltage may damage prints or cpu or emmc or another so start with 2 volts


=====================
share your ideas for improove your self made short killer pictures
and also comments about this thanks

dear.

Pl.share 100k tone controle log or linear .
Jaideep mehta

india.
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Old 11-29-2019, 09:35   #8 (permalink)
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u had a good idea about reopening short circuit and finding short but i think it will cause trouble if wil mislead how to use ur newly invented tool. beside that not all short u will find in that way make a new good voltage cicuit analyser to find voltage drop i d folowing circuit... but i really appreciate ur concerned
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Old 11-30-2019, 09:26   #9 (permalink)
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Quote:
Originally Posted by chand_gee View Post
in my carrier receive many dead short phones some was repaired after hard work of hours some returned without repair----
chinese make a tool short killer 60$ find out shortage and repair phones..
-------
HERE WE ARE GOING TO MAKE IT FREE AND FREE
1-
CHECK THIS PHONE FULL SHORT

2-
CHANGE METER PROBE STILL FULL SHORT

3-
OPEN ANY POWER BANK AND REMOVE BATTERY

4-
CONNECT GROUND BLACK POINT TO GROUND AND RED ON BATTERY +
JUST FOR 3 SECONDS
.

5-
AND YOU WILL GETT BURN CAPACITOR LIKE THIS SOME CASEES IC PROBLEM THEN IC WILL HEATUP USE FLUX OR SPRAY TO FIND
MINE WAS CAPACITOR


6-
FINALY REMOVE BURN CAPACITOR AND PHONE IS WORK
<BEFORE I WAS WORK ON 2 J1 REMOVE ALMOST EVERYTHING CAP IC ON BOARD SPENT HOURS BUTT SHORTAGE WAS NOT REMOVED>
BUTT TODAY ITS TOOK 2 SECOND

=================
AS I WRITE WE ARE GOING TO MAKE IT FREE EERY ONE SO POST YOUR IDEA AND PICTURES HERE TO IMPROOVE AND ADD MORE FETURES IN SHORT KILLER TOOL
MY IDEAS
1-CAN ADD FUSE 0F 5 TO 10 AMP FOR SAFETY

2- CAN ADD VOLTAGE REGULATOR
BATTERY MOSTLY GIVE 3 TO 5 VOLTS
BUTT WE CAN RGULATE AND START CHECKING FROM 2 VOLTS
IFF SHORTAGE NOT DETECT INCREAS VOLTAGE 3,4,5....
ITS IMPORTANT FOR BOARD SAFETY HIGY VOLTAGE MAY DAMAGE PRINTS OR CPU OR EMMC OR ANOTHER SO START WITH 2 VOLTS


=====================
SHARE YOUR IDEAS FOR IMPROOVE YOUR SELF MADE SHORT KILLER PICTURES
AND ALSO COMMENTS ABOUT THIS THANKS
Thank you so much chand gee for ur hard work i have been using the same trick since from two years its very helpful ...............sorry for i didnt mentioned it this b4.................
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Old 12-06-2019, 02:22   #10 (permalink)
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How to make short killer
Any demo videos plz share
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Old 12-11-2019, 15:51   #11 (permalink)
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Thanks for this frend it's great idea can repair lap tops with this,I see similar schematics with lm317 nd 2n30555


G R E A T
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Old 12-11-2019, 16:08   #12 (permalink)
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Old 05-24-2020, 16:51   #13 (permalink)
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Why use battery and not power supply?
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Old 07-17-2020, 10:30   #14 (permalink)
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Quote:
Originally Posted by chand_gee View Post
in my carrier receive many dead short phones some was repaired after hard work of hours some returned without repair----
chinese make a tool short killer 60$ find out shortage and repair phones..
-------
HERE WE ARE GOING TO MAKE IT FREE AND FREE
1-
CHECK THIS PHONE FULL SHORT

2-
CHANGE METER PROBE STILL FULL SHORT

3-
OPEN ANY POWER BANK AND REMOVE BATTERY

4-
CONNECT GROUND BLACK POINT TO GROUND AND RED ON BATTERY +
JUST FOR 3 SECONDS
.

5-
AND YOU WILL GETT BURN CAPACITOR LIKE THIS SOME CASEES IC PROBLEM THEN IC WILL HEATUP USE FLUX OR SPRAY TO FIND
MINE WAS CAPACITOR


6-
FINALY REMOVE BURN CAPACITOR AND PHONE IS WORK
<BEFORE I WAS WORK ON 2 J1 REMOVE ALMOST EVERYTHING CAP IC ON BOARD SPENT HOURS BUTT SHORTAGE WAS NOT REMOVED>
BUTT TODAY ITS TOOK 2 SECOND

=================
AS I WRITE WE ARE GOING TO MAKE IT FREE EERY ONE SO POST YOUR IDEA AND PICTURES HERE TO IMPROOVE AND ADD MORE FETURES IN SHORT KILLER TOOL
MY IDEAS
1-CAN ADD FUSE 0F 5 TO 10 AMP FOR SAFETY

2- CAN ADD VOLTAGE REGULATOR
BATTERY MOSTLY GIVE 3 TO 5 VOLTS
BUTT WE CAN RGULATE AND START CHECKING FROM 2 VOLTS
IFF SHORTAGE NOT DETECT INCREAS VOLTAGE 3,4,5....
ITS IMPORTANT FOR BOARD SAFETY HIGY VOLTAGE MAY DAMAGE PRINTS OR CPU OR EMMC OR ANOTHER SO START WITH 2 VOLTS


=====================
SHARE YOUR IDEAS FOR IMPROOVE YOUR SELF MADE SHORT KILLER PICTURES
AND ALSO COMMENTS ABOUT THIS THANKS
hi
with diy shortkiller , my doubt is ..voltage regulator like LM317 or i can to use a transistor as you wrote ? already done with lm317 but it has a SPC (short protection) when give injection with 2v power goes stop .. thanks

image from my idea

lm317.JPG
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Old 07-22-2020, 03:58   #15 (permalink)
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it can be dangerous for pcb it s better to use power supply because you dont have current limit

and use a thermal camera to detect the faulty area
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