Only For Training And Service Purposes - LG AT&T GR500 Service Manual

Check X100
Refer to Figure 4-8
Check R131
Refer to Figure 4-10
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Only for training and service purposes

Checking 1 No
26MHz at VCXO
Yes
No
Checking 2
26MHz at MCLK
Yes
VCXO part is O.K.
Check the next stage
- 131 -
4. TROUBLE SHOOTING
VCXO part has a problem.
Change XTAL or U105
VCXO part has a problem.
Change XTAL or U105
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