N70 LCD EMIF Z4403 line broken - GSM-Forum

virtue · 10-09-2007, 19:50

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

kannan_fono · 10-09-2007, 22:17

practically its impossible to connect the track to OMAP.

virtue · 10-10-2007, 08:58

is there any test point left on the board to jumper on?

mobilagy · 10-10-2007, 12:33

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 ...

virtue · 10-22-2007, 14:33

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

quickgsm · 10-22-2007, 15:12

Quote:

Originally Posted by virtue

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

xtremeburaq · 10-22-2007, 17:12

Quote:

Originally Posted by virtue

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.

reji · 10-22-2007, 17:54

Quote:

Originally Posted by xtremeburaq

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.

r a nadeem · 10-22-2007, 22:23

dear in Z4403 pin 09-19 are empty , so change the both filters , prob will be solve
rashid

r a nadeem · 10-22-2007, 22:26

Quote:

Originally Posted by quickgsm

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

reji · 10-23-2007, 14:32

Quote:

Originally Posted by r a nadeem

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

r a nadeem · 10-23-2007, 20:18

Quote:

Originally Posted by reji

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

xtremeburaq · 10-25-2007, 20:28

Quote:

Originally Posted by reji

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...

reji · 10-26-2007, 13:46

Quote:

Originally Posted by xtremeburaq

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

xtremeburaq · 10-26-2007, 15:02

ok, checking procedure is correct but ur counting trick is wrong.we count it left to right.

10-26-2007, 15:02	#15 (permalink)
xtremeburaq Registered User Join Date: Apr 2007 Posts: 509 Member: 483748 Status: Offline Thanks Meter: 47	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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10-09-2007, 22:17	#2 (permalink)
kannan_fono Junior Member Join Date: Jun 2006 Posts: 14 Member: 290384 Status: Offline Thanks Meter: 0	practically its impossible to connect the track to OMAP.

10-10-2007, 08:58	#3 (permalink)
virtue No Life Poster Join Date: Aug 2005 Age: 49 Posts: 703 Member: 174853 Status: Offline Thanks Meter: 84	is there any test point left on the board to jumper on?

10-10-2007, 12:33	#4 (permalink)
mobilagy No Life Poster Join Date: Jan 2006 Location: EGYPT Age: 47 Posts: 777 Member: 217479 Status: Offline Thanks Meter: 267	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 ...

10-22-2007, 14:33	#5 (permalink)
virtue No Life Poster Join Date: Aug 2005 Age: 49 Posts: 703 Member: 174853 Status: Offline Thanks Meter: 84	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

10-22-2007, 22:23	#9 (permalink)
r a nadeem No Life Poster Join Date: Mar 2006 Location: pakistan Age: 71 Posts: 3,609 Member: 241039 Status: Offline Thanks Meter: 4,170	dear in Z4403 pin 09-19 are empty , so change the both filters , prob will be solve rashid