China G-Five M-7AutoKey Works - GSM-Forum

rezwan_jack · 03-22-2011, 10:46

China G-Five 8 no key Automatic Works need help

Model No = M7

**.:SARCAR:.** · 03-22-2011, 11:11

first clean d pcb very well if same repalce keypad flex.

rezwan_jack · 03-22-2011, 11:18

Thnx For Reply

Sir, The Handset is new

PCB is fresh

and there is no flex in PCB

gautamlondon · 03-22-2011, 14:27

check inner keypad proper . if possible take off inner keypad white paper and see if still problem
if fresh pcb then only heating is solution with risk of killing

rezwan_jack · 03-22-2011, 14:30

Yes Sir Checked

I removed the paper also but still same condition

Without the white paper same

gautamlondon · 03-22-2011, 14:32

Quote:

Originally Posted by rezwan_jack

Yes Sir Checked

I removed the paper also but still same condition

Without the white paper same

its cpu ic problem
try heating it or replace it
both are risky works. possible to kill

**.:SARCAR:.** · 03-22-2011, 19:53

sorry mate there is no keypad flex in m7 , I wrongly read it's m8 . anyway check the continuty of keypad 8 to ground via multimeter .

means , put black probe on ground & red probe on round rings . if impedence more than 50ohms then u need to replace cpu.

03-22-2011, 10:46	#1 (permalink)
rezwan_jack Freak Poster Join Date: May 2008 Location: India, Albania, Europe Age: 42 Posts: 349 Member: 776103 Status: Offline Sonork: 100.1596478 Thanks Meter: 169	China G-Five M-7AutoKey Works China G-Five 8 no key Automatic Works need help Model No = M7

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03-22-2011, 11:11	#2 (permalink)
.:SARCAR:. Moderator Join Date: Jul 2006 Location: Midnapore,West-Bengal,India Posts: 5,402 Member: 322206 Status: Offline Sonork: 100.1594813/.:SARCAR:. Thanks Meter: 1,350	first clean d pcb very well if same repalce keypad flex.

03-22-2011, 11:18	#3 (permalink)
rezwan_jack Freak Poster Join Date: May 2008 Location: India, Albania, Europe Age: 42 Posts: 349 Member: 776103 Status: Offline Sonork: 100.1596478 Thanks Meter: 169	Thnx For Reply Sir, The Handset is new PCB is fresh and there is no flex in PCB

03-22-2011, 14:27	#4 (permalink)
gautamlondon No Life Poster Join Date: Oct 2005 Location: INDIA Age: 38 Posts: 521 Member: 186840 Status: Offline Thanks Meter: 103	check inner keypad proper . if possible take off inner keypad white paper and see if still problem if fresh pcb then only heating is solution with risk of killing

03-22-2011, 14:30	#5 (permalink)
rezwan_jack Freak Poster Join Date: May 2008 Location: India, Albania, Europe Age: 42 Posts: 349 Member: 776103 Status: Offline Sonork: 100.1596478 Thanks Meter: 169	Yes Sir Checked I removed the paper also but still same condition Without the white paper same

03-22-2011, 19:53	#7 (permalink)
.:SARCAR:. Moderator Join Date: Jul 2006 Location: Midnapore,West-Bengal,India Posts: 5,402 Member: 322206 Status: Offline Sonork: 100.1594813/.:SARCAR:. Thanks Meter: 1,350	sorry mate there is no keypad flex in m7 , I wrongly read it's m8 . anyway check the continuty of keypad 8 to ground via multimeter . means , put black probe on ground & red probe on round rings . if impedence more than 50ohms then u need to replace cpu.