Nok 3310 no display - GSM-Forum

ozcom · 03-21-2003, 17:27

Hi,

any idea no display on a 3310.. voltage at pin 1-8 is OK that is pin 1-4-5-8=2.8v and pin 2-3-6-7=0v
new LCD change but still no dsiplay but phone is working well

thanks

Winner58 · 03-21-2003, 19:17

wrong section!!!

Winner58 · 03-21-2003, 19:17

moved from Hardware Repair

johny3310 · 03-24-2003, 10:08

Check line: LCD pin 1 -> C409, C413, VBB and
line: LCD pin 7 - > C410, C412.
Check/replace C409, C410, C412, C413.
Then check line from LCD pin 4 to ROW5 (J301 testpoint).
Then check line from LCD pin 8 (LCDRSTX) to J314.
Then check line from LCD pin 2 to testpoint J303.
Finally, check line from LCD pin 3 to R304 and check/replace R304.

If all that doesn't help, and you are sure that your LCD and SW is OK, replace MAD. Good Luck!

Central · 03-25-2003, 10:43

A small trap but maybe not your problem here:
Look at the sticker on the back, make sure it is '3310' or '3315'.
Maybe it is a 3330 or 3350 with different cover.
In that case, be sure the correct software for that model is flashed into the phone. If the wrong software is in the phone the LCD will not work because the 3350 and 3310 LCDs are electronicaly incompatable.
Its a little trap, but sometimes people change covers and leds and at first glance you might incoeecttly identiy the phone and flash it with the wrong s/w
In that case, just re-flash with the correct s/w and also re-flash a virgin eeprom into it, then make sure you have the correct LCD in it.

There are a couple of capacitors that can give trouble also, see my help pages.

-------------------------
repair help at www.centralpark.net.au/repair.html

ozcom · 03-25-2003, 19:25

@johny3310 & Central
Thanks a lot for your help. I have just replace c409-c410 & c412 and the LCD is working normaly.
Thanks once more!!!!!!

johny3310 · 03-25-2003, 20:23

Quote:

Originally posted by ozcom
@johny3310 & Central
Thanks a lot for your help. I have just replace c409-c410 & c412 and the LCD is working normaly.
Thanks once more!!!!!!

I told you, it's easy

03-21-2003, 17:27	#1 (permalink)
ozcom Freak Poster Join Date: Mar 2002 Posts: 226 Member: 10125 Status: Offline Thanks Meter: 287	Nok 3310 no display Hi, any idea no display on a 3310.. voltage at pin 1-8 is OK that is pin 1-4-5-8=2.8v and pin 2-3-6-7=0v new LCD change but still no dsiplay but phone is working well thanks

03-21-2003, 19:17	#2 (permalink)
Winner58 Member deceased !! Join Date: May 1999 Location: Wien/Austria Age: 65 Posts: 13,150 Member: 5 Status: Offline Thanks Meter: 1,884	wrong section!!! __________________ read the Rules carefully!!! wbr Winner 58

03-21-2003, 19:17	#3 (permalink)
Winner58 Member deceased !! Join Date: May 1999 Location: Wien/Austria Age: 65 Posts: 13,150 Member: 5 Status: Offline Thanks Meter: 1,884	moved from Hardware Repair __________________ read the Rules carefully!!! wbr Winner 58

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03-24-2003, 10:08	#4 (permalink)
johny3310 Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49 Posts: 499 Member: 14004 Status: Offline Thanks Meter: 6	Check line: LCD pin 1 -> C409, C413, VBB and line: LCD pin 7 - > C410, C412. Check/replace C409, C410, C412, C413. Then check line from LCD pin 4 to ROW5 (J301 testpoint). Then check line from LCD pin 8 (LCDRSTX) to J314. Then check line from LCD pin 2 to testpoint J303. Finally, check line from LCD pin 3 to R304 and check/replace R304. If all that doesn't help, and you are sure that your LCD and SW is OK, replace MAD. Good Luck!

03-25-2003, 10:43	#5 (permalink)
Central Junior Member Join Date: Dec 2002 Location: Australia Posts: 117 Member: 18570 Status: Offline Thanks Meter: 0	A small trap but maybe not your problem here: Look at the sticker on the back, make sure it is '3310' or '3315'. Maybe it is a 3330 or 3350 with different cover. In that case, be sure the correct software for that model is flashed into the phone. If the wrong software is in the phone the LCD will not work because the 3350 and 3310 LCDs are electronicaly incompatable. Its a little trap, but sometimes people change covers and leds and at first glance you might incoeecttly identiy the phone and flash it with the wrong s/w In that case, just re-flash with the correct s/w and also re-flash a virgin eeprom into it, then make sure you have the correct LCD in it. There are a couple of capacitors that can give trouble also, see my help pages. ------------------------- repair help at www.centralpark.net.au/repair.html

03-25-2003, 19:25	#6 (permalink)
ozcom Freak Poster Join Date: Mar 2002 Posts: 226 Member: 10125 Status: Offline Thanks Meter: 287	@johny3310 & Central Thanks a lot for your help. I have just replace c409-c410 & c412 and the LCD is working normaly. Thanks once more!!!!!!