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4.16.3 Step 3
Check point
(C740)
Check VBATI (R307)
in WCDMA PAM Block
Check Point (C740)
in Power Source Block
To Check Power source
Check (C740 & R105)
in Block
to check inner line connection
From R307 to R105
WCDMA PAM
Figure 4-16-5. Step 3 :WCDMA PAM Block
Figure 4-16-6. PAM Power Source
Step 3
➂
See The Next Page
➄
➂ ➄
,
Soldering Check Component
(R847 & R875)
In Power Source Block
- 137 -
4. TROUBLE SHOOTING
➄
No
3.7V
OK?
Yes
No
3.7V
Check The PowerSupply
OK?
Yes
No
Short ?
Yes
➄
VBATI
(R307)
➂
R875
R847
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