LG KG800 - Page 98

4. TROUBLESHOOTING
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No
Is Touch PCB glued on
upper case well?
No
Yes
Yes
START
Re-attach Touch PCB
on Upper case
Replace U1000 on touch PCB
Navigation Key will work
properly.
Check Connector?
No
Re-solder & Re-Connect
CN1000
Yes
Checking Flow
TOUCH_INT
TOUCH_CLK
TOUCH_DAT
Figure 1-2Figure 1-1