Sony CDP-CX225 Service Manual page 24

RF PLL Free-run Frequency Check
Procedure :
1. Connect frequency counter to test point TP (PLCK) with lead wire.
BD board
TP (PLCK)
2. Turn Power switch on.
3. Put the disc (YEDS-18) in to play the number five track.
Confirm that reading on frequency counter is 4.3218MHz.
Adjustment Location :
[ MAIN BOARD ] — Component Side —
TP301
IC307
ADJ
R310
IC301
[ BD BOARD ] — Side B —
TP (FE1)
TP (RF)
TP
(TE)
frequency counter
IC303
R337
R311
TP302
AFADJ
IC101
TP
(PLCK)
TP (VC)
IC103
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