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

Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

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Old 05-29-2008, 15:11   #1 (permalink)
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d900i no lcd, no light!


Hi today comming one wather d900i haven anything on lcd.. no light no screen. I check with other mainboard and flex cable all is ok. the problem come from the mainboard. but i can't find any schematic.
Please help me. all is ok the problem coming from mainboard.
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Old 10-02-2008, 11:11   #2 (permalink)
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I have the same problem....does somebody have an answer?
please help....
iti is not soft problem....it is hardware 100% from pcb
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Old 10-02-2008, 11:30   #3 (permalink)
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Quote:
Originally Posted by hack24_gsm View Post
I have the same problem....does somebody have an answer?
please help....
iti is not soft problem....it is hardware 100% from pcb
hier sulision by team _gem-flash
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Old 10-21-2008, 20:11   #4 (permalink)
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if you have very little of backlight on LCD(but LCD is also black) try to change cf50611 - you got some 80% chance of make it work! But if water get inside it might cause a much bigger problem.
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Old 12-05-2008, 12:01   #5 (permalink)
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Quote:
Originally Posted by otto195 View Post
if you have very little of backlight on LCD(but LCD is also black) try to change cf50611 - you got some 80% chance of make it work! But if water get inside it might cause a much bigger problem.
CAN YOU TELL ME WHICH PART IS CF50611. I CAN SEND U PICTURE OR SERVICE MANUAL OF D900I IF U NEED THEM.

tonytony
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Old 12-05-2008, 12:09   #6 (permalink)
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D900i LCD Blank problem

Mainboard pics if u need them.

thanks
tonytony
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File Type: jpg D900i bottom.JPG (50.7 KB, 844 views)
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Old 06-07-2009, 12:15   #7 (permalink)
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CAN YOU TELL ME WHICH PART IS CF50611. I CAN SEND U PICTURE OR SERVICE MANUAL OF D900I IF U NEED THEM.

tonytony
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Old 06-21-2009, 21:49   #8 (permalink)
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The PCF50611 is the U402,power manager.
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Old 07-16-2009, 08:20   #9 (permalink)
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Originally Posted by faycal_gsm View Post
hier sulision by team _gem-flash




solution not working for me
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Old 10-07-2010, 14:27   #10 (permalink)
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change c37 capacator (small keyboard)
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Old 10-07-2010, 14:30   #11 (permalink)
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lcd no light d900i

Quote:
Originally Posted by chimeto View Post
Hi today comming one wather d900i haven anything on lcd.. no light no screen. I check with other mainboard and flex cable all is ok. the problem come from the mainboard. but i can't find any schematic.
Please help me. all is ok the problem coming from mainboard.



change c37(small keypad) for this problem
all ok light displey
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Old 06-07-2011, 16:07   #12 (permalink)
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if water damaged.
no lcd backlight.
number keyboard light and function keyboard light ok.
also check broken traks cn701 pin 14 to c724 and pin16 to c723.
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Old 03-23-2012, 15:14   #13 (permalink)
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Quote:
Originally Posted by chimeto View Post
Hi today comming one wather d900i haven anything on lcd.. no light no screen. I check with other mainboard and flex cable all is ok. the problem come from the mainboard. but i can't find any schematic.
Please help me. all is ok the problem coming from mainboard.




this solution water damaged.ok
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File Type: jpg D900i top.JPG (56.3 KB, 135 views)
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