Step 2 - LG U8110 Service Manual

4.16.2 Step 2

Step 2
Check VBATI (R1850)
in Regulator Block 1 to
Check if main power
source input or not
Check (R2215 & R1805)
in Block 1, 5 to check
inner line connection
From R1850 to R2215
No
3.7V OK ?
Yes
See The Step 3
Short?
Yes
Check Soldering
(R2215 & R2216)
In Power Source Block
- 131 -
4. TROUBLE SHOOTING
No
Change the Board