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Keypad Backlight Trouble (Qwerty Key) : (3)
1. EL backlight is not working
START
No
Yes
ABB is out of order.
Change the Bo ard .
Yes
Replace t he EL Keyp ad.
It is out of or der.
No
Power on and Open the
phone
The vo lt age of KEY2
is about 2 .8V?
The vo lt age of OUT605 of OUT608
is 200V pp?
Replace U602.
It is out of order.
No
Reco nnect
EL key p ad.
Contact at
OUT605,OUT608 is o k?
No
No
Re-solde r
the compone nts
The solde ring of
L601,Q602,C601,C602,U602
is ok?
Yes
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Содержание LG9200
Страница 1: ...Service Manual Model F9200 Service Manual LG9200 Date October 2005 Issue 1 0 Z 3 X B O X C O M ...
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 107: ... 120 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 108: ... 121 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 109: ...8 PCB LAYOUT 122 Z 3 X B O X C O M ...
Страница 110: ... 123 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 111: ... 124 Z 3 X B O X C O M ...
Страница 116: ...9 Calibration 129 E Calibration Equipment Setup Z 3 X B O X C O M ...
Страница 120: ...9 Calibration 133 Calibration LG9200 with HOT_KIMCHI 1 Calibration is running Z 3 X B O X C O M ...
Страница 121: ...9 Calibration 134 Calibration LG9200 with HOT_KIMCHI 1 Calibration is complete Z 3 X B O X C O M ...
Страница 123: ... 136 Z 3 X B O X C O M ...
Страница 142: ...Note Z 3 X B O X C O M ...