Checking Common Power Source Block - LG KU580 Service Manual

4.15 Checking Common Power Source Block

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Only for training and service purposes
(Bottom)
Figure 4-3. Common Source Block
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4. TROUBLE SHOOTING
Step 2
GSM PAM Block
Step 3
WCDMA PAM Block
Step 1
PAM VBAT Block
WCDMA
DC/DC VBAT
GSM PA VBAT
LGE Internal Use Only