Why MANY A800 NO DISPLAY or NO LIGHT ???? - GSM-Forum

dannyogolo · 10-02-2003, 09:39

Hello,
Am I the only one in this great forum that has been experiencing this fault ? Every week about 7 A800 phones come to me either no display on the main LCD (sometimes both LCD's) OR there is no light on the LCD's.
On some of them, when you try to close the flip, the inner LCD glows !!!.
I heard the lcd is about $100 !!!!!!!!
Can we get the flex somewhere ???
OR is there another way of resolving the fault ???
Pls lets discuss.

dannyogolo

Syed · 10-02-2003, 09:42

No u are not the only one dont be too happy it is only flex cable problem.. just change the flex cable and all will be okay but it is time consuming job since only flex cable is availble and not the complete cable with LCD.....

WBR
Syed

dannyogolo · 10-02-2003, 09:51

Where did you buy flex cable ???
I saw on www.gsmdevice.com they call it "flex for 800" , I asked them, but somehow they could not understand, so since I was already ordering some stuff from them, I included some of it, now I am waiting to see if it is same with A800.

Time consuming ???
If I can get $60 from it, man its not time consummung !!!
He he he.

Syed · 10-02-2003, 11:50

i have it available here in India but people import them from China only.....

WBR
Syed

Fre3 Crack3r · 10-02-2003, 13:36

Hi

For no light give me picture for the LCD A800 with flex cable .

and i wel give you solution for repaire it !

dannyogolo · 10-02-2003, 20:05

go to www.thienlongtel.com and download pix.

lets see your trial.

dannyogolo

mobileland · 10-02-2003, 21:14

Lot's of them have software faults(neef to have UST and reprogram eeprom)!

Syed · 10-03-2003, 08:51

Quote:

Originally posted by mobileland
Lot's of them have software faults(need to have UST and reprogram eeprom)!

No it is 100% hardware (Flex Cable) fault this has nothing to do with eeprom or anything.....just change Flex cable and phone will be okay...

WBR
Syed

sudeeshveekey · 10-03-2003, 08:58

try to tight each contacts of the connecter
i repaired 4 a800 this way

dannyogolo · 10-03-2003, 08:59

Thanks to you all m8,
I'll receive my flex cables fron China after their week long holiday (is that not too much ????)

dannyogolo

mobileland · 10-05-2003, 17:43

Hardware 70%-software 30% analysed by me(100 pieces).

paygee · 10-05-2003, 19:39

i got strips from china r bare,no components on it ,,,,and it is not impossibel but time consuming.

i have nticed ,if u see vertical lines when opening flip,and display disappier ....there is problem in connector ,,it could be at both ends ,resold at the flex cable end and also on main board.

do not use hot air,it will deshape plastic connector ..use a fine tiped soldering iron at mediem heat,with too hot iron u will lose the pins spring action,and they will not connect properly to main board connector.

if display completly disappairs or works while opening and closing flip frequently or shows horzantel lines [highlighted,dark contrast]
and the remaing display with low contrast ,,,,,then fault is in bising caps or dry sold on LCD's connector,,which connects to flex cable. apply some liquid flux on caps, resistors near lcd's connector and apply medium hot air,,,be careful ,do not bend flex while appling hot air.

if all this does not work then replace flex cable.

i send this solution for those,where flex cable is not easly avalible.

HEADMASTER · 10-05-2003, 23:07

Today I changed flex cable
its hard to do and much time
but i succed in the end

Phantom · 10-05-2003, 23:22

Quote:

Originally posted by paygee
[B do not use hot air,it will deshape plastic connector ..use a fine tiped soldering iron at mediem heat,with too hot iron u will lose the pins spring action,and they will not connect properly to main board connector.

[/B]

Hi all,

paygee is correct. Here is an alternative but by using hot air.

you can use hot air to **** connector. do not face the hot air noozle on the direction of the plastic connector. Turn the connector around ,face it downwards and heat the bottom side of the flex. Since it is a faulty flex, it will not hurt even if you overheat it. So long as the connector is protected. When heated enough, slowly push connector off. That way, 100% pins won't get damaged.

Dehghani · 10-08-2003, 08:53

40% of A800 No Display is Software problem
If Your A800 have This Problem Contact me
I Will Help you To repair You Phone
You Can Contact me:

NO NEED TO ADVERTISE YOUR ADDRESS HERE ANYONE WHO WANT TO CONTACT YOU CAN DO BY PM...

10-02-2003, 09:39	#1 (permalink)
dannyogolo No Life Poster Join Date: Nov 2002 Location: Nigeria Posts: 2,980 Member: 18200 Status: Offline Sonork: 100.1608286 Thanks Meter: 82	Why MANY A800 NO DISPLAY or NO LIGHT ???? Hello, Am I the only one in this great forum that has been experiencing this fault ? Every week about 7 A800 phones come to me either no display on the main LCD (sometimes both LCD's) OR there is no light on the LCD's. On some of them, when you try to close the flip, the inner LCD glows !!!. I heard the lcd is about $100 !!!!!!!! Can we get the flex somewhere ??? OR is there another way of resolving the fault ??? Pls lets discuss. dannyogolo

10-02-2003, 20:05	#6 (permalink)
dannyogolo No Life Poster Join Date: Nov 2002 Location: Nigeria Posts: 2,980 Member: 18200 Status: Offline Sonork: 100.1608286 Thanks Meter: 82	GET PIX here go to www.thienlongtel.com and download pix. lets see your trial. dannyogolo

10-08-2003, 08:53	#15 (permalink)
Dehghani Freak Poster Join Date: Apr 2003 Age: 39 Posts: 308 Member: 26806 Status: Offline Thanks Meter: 0	40% of A800 No Display is Software problem If Your A800 have This Problem Contact me I Will Help you To repair You Phone You Can Contact me: NO NEED TO ADVERTISE YOUR ADDRESS HERE ANYONE WHO WANT TO CONTACT YOU CAN DO BY PM... Last edited by Syed; 10-08-2003 at 12:39.

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10-02-2003, 09:42	#2 (permalink)
Syed No Life Poster Join Date: Jan 2003 Location: Hong Kong. Age: 47 Posts: 3,092 Member: 19979 Status: Offline Thanks Meter: 116	No u are not the only one dont be too happy it is only flex cable problem.. just change the flex cable and all will be okay but it is time consuming job since only flex cable is availble and not the complete cable with LCD..... WBR Syed

10-02-2003, 09:51	#3 (permalink)
dannyogolo No Life Poster Join Date: Nov 2002 Location: Nigeria Posts: 2,980 Member: 18200 Status: Offline Sonork: 100.1608286 Thanks Meter: 82	Where did you buy flex cable ??? I saw on www.gsmdevice.com they call it "flex for 800" , I asked them, but somehow they could not understand, so since I was already ordering some stuff from them, I included some of it, now I am waiting to see if it is same with A800. Time consuming ??? If I can get $60 from it, man its not time consummung !!! He he he.

10-02-2003, 11:50	#4 (permalink)
Syed No Life Poster Join Date: Jan 2003 Location: Hong Kong. Age: 47 Posts: 3,092 Member: 19979 Status: Offline Thanks Meter: 116	i have it available here in India but people import them from China only..... WBR Syed

10-02-2003, 13:36	#5 (permalink)
Fre3 Crack3r Banned Join Date: Jan 2002 Location: Morocco , Tetouan Posts: 1,752 Member: 8784 Status: Offline Sonork: 100.63512 Thanks Meter: 31	Hi For no light give me picture for the LCD A800 with flex cable . and i wel give you solution for repaire it !

10-02-2003, 21:14	#7 (permalink)
mobileland No Life Poster Join Date: Feb 2003 Location: www.X-SIM.me Age: 45 Posts: 2,424 Member: 22955 Status: Offline Sonork: 67574 - Not use it Thanks Meter: 584	Lot's of them have software faults(neef to have UST and reprogram eeprom)!

10-03-2003, 08:58	#9 (permalink)
sudeeshveekey No Life Poster Join Date: Dec 2002 Location: cell-spare cochin penta kerala Posts: 585 Member: 18837 Status: Offline Sonork: 100.1601544 Thanks Meter: 71	try to tight each contacts of the connecter i repaired 4 a800 this way

10-03-2003, 08:59	#10 (permalink)
dannyogolo No Life Poster Join Date: Nov 2002 Location: Nigeria Posts: 2,980 Member: 18200 Status: Offline Sonork: 100.1608286 Thanks Meter: 82	Thanks to you all m8, I'll receive my flex cables fron China after their week long holiday (is that not too much ????) dannyogolo

10-05-2003, 17:43	#11 (permalink)
mobileland No Life Poster Join Date: Feb 2003 Location: www.X-SIM.me Age: 45 Posts: 2,424 Member: 22955 Status: Offline Sonork: 67574 - Not use it Thanks Meter: 584	Hardware 70%-software 30% analysed by me(100 pieces).

10-05-2003, 19:39	#12 (permalink)
paygee No Life Poster Join Date: May 2002 Location: asia Age: 53 Posts: 711 Member: 11742 Status: Offline Thanks Meter: 1	i got strips from china r bare,no components on it ,,,,and it is not impossibel but time consuming. i have nticed ,if u see vertical lines when opening flip,and display disappier ....there is problem in connector ,,it could be at both ends ,resold at the flex cable end and also on main board. do not use hot air,it will deshape plastic connector ..use a fine tiped soldering iron at mediem heat,with too hot iron u will lose the pins spring action,and they will not connect properly to main board connector. if display completly disappairs or works while opening and closing flip frequently or shows horzantel lines [highlighted,dark contrast] and the remaing display with low contrast ,,,,,then fault is in bising caps or dry sold on LCD's connector,,which connects to flex cable. apply some liquid flux on caps, resistors near lcd's connector and apply medium hot air,,,be careful ,do not bend flex while appling hot air. if all this does not work then replace flex cable. i send this solution for those,where flex cable is not easly avalible.

10-05-2003, 23:07	#13 (permalink)
HEADMASTER Freak Poster Join Date: Jun 2002 Location: TUNISIA Age: 62 Posts: 414 Member: 13122 Status: Offline Thanks Meter: 0	Today I changed flex cable its hard to do and much time but i succed in the end