LG LG-D855 - Calls; Making and Receiving Calls

3. TROUBLE SHOOTING
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Only for training and service purposes
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3.3 Checking DC-DC Block
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U1300
TP1 (+VPA0)
+1V8_VREG_S3A
1.5uL1301
0.1u
C1336
+VPA0
C1326
10u
C1338
1n
10u
C1337
U1300
LM3263
B1
D3
C1
C3
C2
B2 A4
C4
A2
D2
D4
D1
A3
B3
A1
B4
PACB
PVIN1
BGND
PGND
SCLK
SVDD
GPO1
SW1
ACB2 ACB1
SW2
SDATA
FB
VIO
SGND
PVIN2
VREG_BOOST_BYPASS
RFFE1_CLK
RFFE1_DATA
REV10
TP1 (+VPA0)