Samsung SGH-X300 Service Manual page 7
Samsung mobile phone service manual
Hide thumbs
Also See for SGH-X300:
- User manual (77 pages) ,
- Owner's instruction book (119 pages) ,
- Owner's instruction book (119 pages)
Table of Contents
Advertisement
2-1-2. Initial
Initial Failure
check the pin
RSTB of U300 is
LOW?
check the pin CKI
of U300 is 13Mhz?
Check the clock signal
at pin #3 of OSC100
Freq=26Mhz?
Check the pin #9 of U300
is HIGH and pin #11,
#13 is 2.9V?
Check the Initial Operation
END
Yes
Yes
Yes
Yes
Yes
SGH-X300 Flow Chart of Troubleshooting
No
Check U300
Check
No
R103,R107,R200,C130
No
check
No
Check U200
2-3
1
2
3
OSC100
4
Advertisement
Table of Contents
