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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 10-09-2007, 19:50   #1 (permalink)
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N70 LCD EMIF Z4403 line broken


hi...

dear Sirs,

i have accidentally make the EMIF Z4403 line broken when trying to make it clean from left off lead, before applying new EMIF.... there is suppossed to be 25 dots representing the line

Now i have lost dots no 09 and 19, according to the EMIF diagram here...

does anyone know how to make jumper for the broken line?

i will very gratefull for your help,

thanks in advance
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Old 10-09-2007, 22:17   #2 (permalink)
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practically its impossible to connect the track to OMAP.
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Old 10-10-2007, 08:58   #3 (permalink)
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is there any test point left on the board to jumper on?
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Old 10-10-2007, 12:33   #4 (permalink)
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Man, just mount the new filters that you were doing & then give it a try & i'm bit sure it will work; there's a lot free pins with these filters & it's which mostly gets off board, just give it a try & you will not regret, i have faced such same problems & was as i told, B.R ...
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Old 10-22-2007, 14:33   #5 (permalink)
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i already try mounting the new filters but there were still no good display on LCD....
please anyone who have encounter the same problem give advice

thanks mate
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Old 10-22-2007, 15:12   #6 (permalink)
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Quote:
Originally Posted by virtue View Post
hi...

dear Sirs,

i have accidentally make the EMIF Z4403 line broken when trying to make it clean from left off lead, before applying new EMIF.... there is suppossed to be 25 dots representing the line

Now i have lost dots no 09 and 19, according to the EMIF diagram here...

does anyone know how to make jumper for the broken line?

i will very gratefull for your help,

thanks in advance


Good work thx for sharing !!!!!!!!!!!!!!!!!!!!!!!!!!!


br taoufik
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Old 10-22-2007, 17:12   #7 (permalink)
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Quote:
Originally Posted by virtue View Post
hi...

dear Sirs,

i have accidentally make the EMIF Z4403 line broken when trying to make it clean from left off lead, before applying new EMIF.... there is suppossed to be 25 dots representing the line

Now i have lost dots no 09 and 19, according to the EMIF diagram here...

does anyone know how to make jumper for the broken line?

i will very gratefull for your help,

thanks in advance
ACCORDING TO MY KNOWLEDGE THESE TWO DOTS ARE NC .FIX A NEW ONE EMI UR PROBLEM WILL BE SOLVE & BE ALWAYS CONFIDENT IN UR WORK.POSSIBILITY DURING REMOVING & REFIXING Z4403 SOME DAMAGE OCCURED IN Z4402.NOW U HAVE TO CHANGE BOTH FILTERS.
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Old 10-22-2007, 17:54   #8 (permalink)
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Quote:
Originally Posted by xtremeburaq View Post
ACCORDING TO MY KNOWLEDGE THESE TWO DOTS ARE NC .FIX A NEW ONE EMI UR PROBLEM WILL BE SOLVE & BE ALWAYS CONFIDENT IN UR WORK.POSSIBILITY DURING REMOVING & REFIXING Z4403 SOME DAMAGE OCCURED IN Z4402.NOW U HAVE TO CHANGE BOTH FILTERS.
no bro,

in both of the ic's these pins have connection.
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Old 10-22-2007, 22:23   #9 (permalink)
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dear in Z4403 pin 09-19 are empty , so change the both filters , prob will be solve
rashid
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Old 10-22-2007, 22:26   #10 (permalink)
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Good work thx for sharing !!!!!!!!!!!!!!!!!!!!!!!!!!!


br taoufik
dear read carefully before posting anything . thanks for what ? he has prob , he want help , you are say thanks.
rashid
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Old 10-23-2007, 14:32   #11 (permalink)
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Originally Posted by r a nadeem View Post
dear in Z4403 pin 09-19 are empty , so change the both filters , prob will be solve
rashid

bro,

in Z4402 and Z4403 the pins 9 and 19 have connections
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Old 10-23-2007, 20:18   #12 (permalink)
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Quote:
Originally Posted by reji View Post
bro,

in Z4402 and Z4403 the pins 9 and 19 have connections
dear reji
i know you have knowledge , and appreciate your work , but read schematic. that is empty point i think , second we are only discussing , plz don't mind it . coz members want share with us . may this way they gain something. 3rd i did not criticized negatively . plz keep in mind
rashid
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Old 10-25-2007, 20:28   #13 (permalink)
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Quote:
Originally Posted by reji View Post
bro,

in Z4402 and Z4403 the pins 9 and 19 have connections
IT IS 7TH PRINT WHICH U SHOWN IN PIC

BE SENSIBLE, READ CAREFULLY SCHEMATIC U WILL FIND GOOD RESULT .IF U R NOT SATISFY WITH SCHEMATIC THEN U CAN CHECK IT BY URSELF BY REMOVUNG BOTH IC'S FROM THE BOARD AND THEN CHECK THE CONTINUITY FROM DISPLAY IC PRINTS TO THE DISPLAY CONNECTER .IF U FIND ANY CONNECTIVITY THEN POST UR RESULT HERE OTHERWISE CHECK BEFORE POSTING .HOPE U TAKE IT AS A POSTIVE .

a little ADVICE to a member means a BIG HELP to them...
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Old 10-26-2007, 13:46   #14 (permalink)
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Quote:
Originally Posted by xtremeburaq View Post
IT IS 7TH PRINT WHICH U SHOWN IN PIC

BE SENSIBLE, READ CAREFULLY SCHEMATIC U WILL FIND GOOD RESULT .IF U R NOT SATISFY WITH SCHEMATIC THEN U CAN CHECK IT BY URSELF BY REMOVUNG BOTH IC'S FROM THE BOARD AND THEN CHECK THE CONTINUITY FROM DISPLAY IC PRINTS TO THE DISPLAY CONNECTER .IF U FIND ANY CONNECTIVITY THEN POST UR RESULT HERE OTHERWISE CHECK BEFORE POSTING .HOPE U TAKE IT AS A POSTIVE .

a little ADVICE to a member means a BIG HELP to them...
i checked many times, two diiferent boards,

i got this
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Old 10-26-2007, 15:02   #15 (permalink)
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ok, checking procedure is correct but ur counting trick is wrong.we count it left to right.

Last edited by xtremeburaq; 10-13-2008 at 06:10.
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