Samsung SGH-F860V Service Manual page 6

2-1-2. Initial
Initial Failure
The voltage at the C417=1.8V?
The voltage at the C420=2.8V?
The voltage at the V509
" Low --> High "?
There is 32.768KHz wave
form at the C214, C215?
The voltage on R210 is
" Low --> High "?
The voltage is 2.8V
at the C416,C419,C420?
LCD Display OK ?
Sound operation OK?
END
Yes
Yes
Yes
Yes
Yes
Yes
Yes
SGH-E860V Flow Chart of Troubleshooting
Check the U401
No
(If it has some problem,
it has to be replaced
Check the U401
No
(If it has some problem,
it has to be replaced )
No
Check the U200
No
Check the U200
No
Check the U401
No
Check the LCD part
No
Check the Audio part
2-3