Dcxo Trouble - LG -A120 Service Manual

4.18 DCXO Trouble

TEST POINT
TP1
TP2
CIRCUIT
TP2 WAVE FORM
TP1
CHECKING FLOW
Is the waveform
of TP2 similar to
DCXO(X100
waveform
DCXO Circuit is OK.
See next page to
check PLL Circuit.
-86-
Replace X100
TP2