7250 no led in lcd and keypad - GSM-Forum

candra_yus · 09-04-2005, 11:15

7250 no led in lcd and keypad, does any one have the solution?

AsCii_CoDer · 09-04-2005, 11:46

Quote:

Originally Posted by candra_yus

7250 no led in lcd and keypad, does any one have the solution?

Are u cheked The conector between lcd and pcb

Tell me more about ur proplem

B.R
AyMaN gHoSt

gsmindia · 09-04-2005, 14:52

please use the circuit diagrams there are abt 300 pics for this problem on this site pls check them this is a very easy to solve problem.

Br

p.s type 7250 schematics in search option of this site. if u cannot find i will post it here for u.good day

pazeth™ · 09-04-2005, 15:12

change your led IC very-very easy.........

west_bound · 09-04-2005, 15:15

replace the voltage up coil....its a small round thing usually marked with a number 22

candra_yus · 09-08-2005, 05:33

i ve already test the connector between pcb and lcd and also make jumper but it's still the same! can u show me the picture about the voltage up coil?

candra_yus · 09-22-2005, 03:19

i've already solve the problem! thanx for the replies! i change the voltage coil after measure it with the multitester! the voltage coil is bad! now my phone already have light in lcd and keypad! thx!

09-04-2005, 11:15	#1 (permalink)
candra_yus Junior Member Join Date: Jan 2005 Age: 42 Posts: 22 Member: 111576 Status: Offline Thanks Meter: 0	7250 no led in lcd and keypad 7250 no led in lcd and keypad, does any one have the solution?

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09-04-2005, 14:52	#3 (permalink)
gsmindia No Life Poster Join Date: Jan 2005 Location: india Age: 49 Posts: 546 Member: 107636 Status: Offline Thanks Meter: 100	please use the circuit diagrams there are abt 300 pics for this problem on this site pls check them this is a very easy to solve problem. Br p.s type 7250 schematics in search option of this site. if u cannot find i will post it here for u.good day

09-04-2005, 15:12	#4 (permalink)
pazeth™ No Life Poster Join Date: Jul 2004 Location: BANDA ACEH INDONESIA Posts: 1,268 Member: 74519 Status: Offline Thanks Meter: 79	change your led IC very-very easy.........

09-04-2005, 15:15	#5 (permalink)
west_bound Freak Poster Join Date: Aug 2005 Location: pearl of the orient Posts: 319 Member: 170968 Status: Offline Thanks Meter: 7	replace the voltage up coil....its a small round thing usually marked with a number 22

09-08-2005, 05:33	#6 (permalink)
candra_yus Junior Member Join Date: Jan 2005 Age: 42 Posts: 22 Member: 111576 Status: Offline Thanks Meter: 0	i ve already test the connector between pcb and lcd and also make jumper but it's still the same! can u show me the picture about the voltage up coil?

09-22-2005, 03:19	#7 (permalink)
candra_yus Junior Member Join Date: Jan 2005 Age: 42 Posts: 22 Member: 111576 Status: Offline Thanks Meter: 0	i've already solve the problem! thanx for the replies! i change the voltage coil after measure it with the multitester! the voltage coil is bad! now my phone already have light in lcd and keypad! thx!