LG KU580 Service Manual - Page 127
VCXO part is O.K.
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4. TROUBLE SHOOTING Check R211 Refer to Figure 4-15 Checking 1, 3 No 26MHz at VCXO Yes VCXO part has a problem. Changing XTAL or U200 Check C133 Refer to Figure 4-17 Checking 2 26MHz at TX part Yes VCXO part is O.K. Check next stage No VCXO part has a problem. Changing XTAL or U200 LGE Internal Use Only - 128 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
- 128 -
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Check R211
No
Refer to Figure 4-15
Yes
Check C133
No
Refer to Figure 4-17
Yes
VCXO part has a problem.
Changing XTAL or U200
Checking 1, 3
26MHz at VCXO
Checking 2
26MHz at TX part
VCXO part is O.K.
Check next stage
VCXO part has a problem.
Changing XTAL or U200