10. Flow Chart of Troubleshooting
10-
1
10-1.Baseband
10-1-1. Power ON
Check the current
consumption more
than 100mA
'Power On' does not work
Check the VBAT
more than 3.3V
Download again
Charge the Battery
Check the
VCCD_1.2V_A
of UCD300 is more
than 1.2V
Check
UCD300
and
C329
No
Yes
Yes
Yes
Yes
No
No
Check VCCD_1.8V
of UCD300=1.8V,
VCCD_2.9V
of UCD300=2.9V
Check
UCD300
and
C333,C334
Yes
No
Check VRF_2.9V of
UCD300=2.9V,
VSYN_2.8V of
UCD300=2.8V
Check
UCD300
and
C310,C311,C337,C341
Yes
No
Check OSC100 pin#1
or pin#3 Freq = 26MHz,
Vp-p > 0.8V
Check the clock generation
circuit(
OSC100
)
No
Check the initial operation
END
Yes
Yes
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Summary of Contents for SGH-J610
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