4. TROUBLE SHOOTING
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(1) Check the
VCC(TP2)
CHECKING FLOW
No
Check the
U502(LP8725 B)
VCC >= 2.8V
(2) Check the AFC
voltage(TP1)
VC >= 1.4V
Yes
U502(LP8725-B)
No
Check the
U201(L2000)
(3) Check the
frequency
19.2MHz(TP3)
Yes
No
Change the
X201
Finish