6670 joystik not work
 

all key and all func phone work
not work only left right up down and select
i understand why?

i see service manual and dont understand where control this signal?

all keyboard signal then key switch then cpu
joystik signal where?

please help

not have any idea - im one have this problem???
very strange!

change joystik... GOOD LUCK..REGARDS

reflow the upp(cpu)and keyboard filter i.c

i think u should change the joystick

thx all
i change filter's keyboard reflow upp
not result

change UPP - not work
change keyboard

change UPP - not work
change keyboard not work too.......
all key ok joystick not work

U mean u changed the full set keyboard wit the joystick or u just change the keypad board?Probably the joystick circuit is opened ...Or try to re**** the keypad ic..100 % works..