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4. Trouble Shooting
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Checking Flow
More than 0dBm
Check a condition of
Bluetooth antenna
No
Yes
Check a condition of
U202 soldering
Replace U601
No
Yes
Replace Main PCB Board
No
Yes
condition is
good?
condition is
good?
condition is
good?
Replace U601
Replace Main PCB Board
Yes
No
Check a condition of Clock
(TP608-32k, C540-26M)
Check a condition of power supply
(C611-2.65V, C612-1.5V, C613-1.8V, C626-1.8V
C601-2.72V, C602-2.8V)
Check a condition of Balun filter
output(FL602) power by using Spectrum
analyzer
Bluetooth
Working is good?
No
Finish
Yes
Bluetooth
Working is good?
No
Yes
Yes
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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