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Flow Chart of Troubleshooting
9-30
9-11. Touch part
Touch module does not work
Yes
Yes
R429=High and
C452=2.8V?
Put the TSP FPCB on SLC700
No
Replace U406
Is the TSP FPCB
connected in SLC700 ?
No
Replace Resistor, Capacitor,
Zener diode
No
Yes
Is R732~R735,
ZD700~703 ,C701~C704
placed in board?
Replace the touch module
END
When youtouch the window,
does the TOUCH_OUT
react? Or
TA700,R700~R702 is not
high?
No
Yes
Yes
Replace U700
Содержание SGH-F490
Страница 79: ...8 PCB Diagrams 8 1 1 Main top ...
Страница 80: ...PCB Diagrams 8 2 2 Main bottom ...
Страница 103: ...www s manuals com ...