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(1) Checking Crystal Circuit
TEST POINT
X401
CIRCUIT
TP9
C419
0.1u
WAVEFORM
Graph 4.3.1(a)
LGE Internal Use Only
TP10
TP9
2V8_VMEM
VBAT
2V75_VVCXO
C427
C428
0.1u
0.1u
CHECKING FLOW
Yes
26 MHzO.K?
No
No
Change X401
C401
1000p
TP10
C407
C406
NA
NA
Graph 4.3.1(b)
Copyright © 2008 LG Electronics. Inc. All right reserved.
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Crystal Circuit is OK
See next Page to check
See next Page to check
Mobile SW
Mobile SW
26M
for DBB
Only for training and service purposes
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