Samsung SGH E250 Service Manual - Page 65

Radio part

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Flow Chart of Troubleshooting 9-19. Radio part Radio does not work Yes R524, R529, C533 ≥ 2.8V Yes R523, R525,C531, C532 ≥ 2.8V Yes L505 ≥ 2V Yes C537, L506, C538, C539 is OK? Yes Check UCP201 Yes END No Resolder R524, R529,C533 and Check PMU part No Resolder R523, R525,C531, C532 and check U501 No check or Replace U501 No Resolder C537, L506, C538, C539 9-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

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SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-30
9-19. Radio part
R524, R529, C533
≥ 2.8V
Radio does not work
R523, R525,C531, C532
≥ 2.8V
Resolder R523, R525,C531, C532
and check U501
No
Yes
No
Resolder R524, R529,C533
and Check PMU part
Yes
L505 ≥ 2V
check or Replace U501
No
Yes
END
Yes
C537, L506, C538, C539
is OK?
Resolder C537, L506, C538, C539
No
Yes
Check UCP201
Yes