Dc-Dc Block - LG -H815 Service Manual

3.3 DC-DC Block

Checking DC-DC Block
Checking Flow
START
Check TP1(+VPA0)
0.5V ≤ TP4 ≤ 4.2V ?
YES
Check next step
LGE Internal Use Only
Check U1400 Physical
Damage or soldering
condition
NO
U1400
Circuit Diagram
14
3. TROUBLE SHOOTING
Image
BOTTOM
@JahanIC
TP1
(+VPA0)
(+VPA0)
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reserved. Only training and service purposes
TP1