4.15.3 Step 3
Step 3 :WCDMA PAM Block
3.7V
OK?
Step 3
Check VBAT (C213)
in WCDMA PAM Block
Yes
No
See the Next Page
3.7V
OK?
No
Yes
Check the Power Supply
Short ?
No
Yes
Soldering Check Component
(CN600)
In Power Source Block
Check Point (C617)
in Power Source Block
To Check Power source
Change Board
Main Board (bottom side)
- PAM Power Source
Check (C213 & C617)
in Block
,
to check inner line connection
From C213 to C617
WCDMA
PAM
DC/DC
Converter
Check point
(C617)
Check point
(CN600)
C213
- 125 -
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Содержание KT520
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