T28 no voice - GSM-Forum

HITGSM2001 · 05-26-2002, 20:35

I have many t28 with no voice untill u puch the any number in the top of the keypad ("1" "2" or number "3") and u hear voice when u release the key u no longer hear anything pls I have big problem. thanks .

hanoon · 05-26-2002, 21:44

just put double face on the audio IC under left side of board ......

good luck!

HITGSM2001 · 05-26-2002, 22:00

I've tried this but no way, thanks

Own · 05-27-2002, 07:36

hi......
change it [ic audio = 1011120/4CR1A] or line broken

hanoon · 05-27-2002, 09:00

maybe ur board have through inside......anyway try to rehot audio IC and components around..

good luck!

Williamcwy · 05-28-2002, 11:11

Try to change DSP IC (Multi Connector)

GOOD LUCK.

Raheeeeb · 05-28-2002, 18:12

very simple problem ... no audio i .c even no ui i.c...
it s a mechanical problem with speaker check the connection will if no .. check capictor of speaker beside the mic transistor at the bottom of the pcb...regards who r mr william cwy can u e-mail me william

05-26-2002, 20:35	#1 (permalink)
HITGSM2001 Junior Member Join Date: Nov 2001 Location: OUTSIDE OF THIS WORLD Posts: 18 Member: 7109 Status: Offline Thanks Meter: 0	T28 no voice I have many t28 with no voice untill u puch the any number in the top of the keypad ("1" "2" or number "3") and u hear voice when u release the key u no longer hear anything pls I have big problem. thanks .

05-26-2002, 21:44	#2 (permalink)
hanoon No Life Poster Join Date: Dec 2001 Location: USA Age: 45 Posts: 596 Member: 8051 Status: Offline Thanks Meter: 6	hanoon© just put double face on the audio IC under left side of board ...... good luck!

05-27-2002, 07:36	#4 (permalink)
Own No Life Poster Join Date: Aug 2001 Location: Minsk Russia Posts: 915 Member: 5569 Status: Offline Thanks Meter: 10	audio hi...... change it [ic audio = 1011120/4CR1A] or line broken

05-27-2002, 09:00	#5 (permalink)
hanoon No Life Poster Join Date: Dec 2001 Location: USA Age: 45 Posts: 596 Member: 8051 Status: Offline Thanks Meter: 6	hanoon© maybe ur board have through inside......anyway try to rehot audio IC and components around.. good luck!

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05-26-2002, 22:00	#3 (permalink)
HITGSM2001 Junior Member Join Date: Nov 2001 Location: OUTSIDE OF THIS WORLD Posts: 18 Member: 7109 Status: Offline Thanks Meter: 0	I've tried this but no way, thanks

05-28-2002, 11:11	#6 (permalink)
Williamcwy Freak Poster Join Date: Jan 2002 Location: Malaysia Age: 47 Posts: 239 Member: 8898 Status: Offline Thanks Meter: 1	Try to change DSP IC (Multi Connector) GOOD LUCK.

05-28-2002, 18:12	#7 (permalink)
Raheeeeb No Life Poster Join Date: Oct 2001 Location: -------- Age: 55 Posts: 1,009 Member: 7062 Status: Offline Thanks Meter: 126	very simple problem ... no audio i .c even no ui i.c... it s a mechanical problem with speaker check the connection will if no .. check capictor of speaker beside the mic transistor at the bottom of the pcb...regards who r mr william cwy can u e-mail me william

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