Sony CDP-C160Z Service Manual page 9

RF PLL Free-run Frequency Check
Procedure :
1. Connect frequency counter to test point (PLCK) with lead wire.
2. Turned 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.
[ MAIN BOARD ] — Conductor Side —
— 9 —
frequency counter
BD board
TP (PLCK)
40
41
25
64
IC302
24
65
1 8 0
TP1
(ADJ)
Adjustment Location :
[ BD BOARD ] — Conductor Side —
1
20
(RF)
IC103
10 11
(VC)
(PLCK)
IC101
(FE)
(FEI)
(TE)
— 20 —