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4. Trouble Shooting
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START
Is TOUCH PCB connected
properly?
Check voltage at FB704.
About 3.3V ?
Connect TOUCH PCB properly
Charge will be operating properly
Replace Main Board
Yes
Yes
Yes
No
No
Check the Vbat voltage.(3.35V ~ 4.0V)
Turn on the mobile.
Replace U706.
No
Is MAIN FPCB connected
properly?
Connect FPCB properly
No
Yes
Check "TOUCH_EN" signal.
Change to High?
Check "TOUCH_INT"
Signal. Change to Low when
user press the button?
Yes
Replace TOUCH PCB
No
Summary of Contents for Chocolate KE800
Page 1: ...Service Manual Model KE800 Service Manual KE800 Date January 2007 Issue 1 0 ...
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Page 82: ...6 SW Download 83 KE800 KE800P40 7 V10g 9 Download complete ...
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Page 96: ... 97 8 PCB LAYOUT ...
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Page 141: ...Note ...
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