When a general remote commander is not used:RF PLL Free-run Frequency Check
1. Solder lead wires to TP (DVDD) and TP (TOFF) on the BDProcedure :
board severally.1. Connect the frequency counter to TP (PCK) of the BD board.
2. Connect the oscilloscope to TP (TE) of the BD board.
frequency counter
3. Press theI/u button and turn ON the power supply.BD board
4. Open the front cover, and pr[PLUSEONE]ess the button.
5. Set the disc (YEDS-18) into the OPLUS ONE� slit.TP (PCK)
6. Close the front cover, and chuck the disc.
7. Playback the fifth track of the disc.
8. Short-circuit the lead wire connected at step 1. (The tracking
servo is turned OFF)2. Press theI/u button and turn ON the power supply.
9. Check the level B of the oscilliscope's wavef3.orm and the Open the front coAver, and pr[PLUSEONE]ess the button.
(DC voltage) of the center of the Traverse wa4.vefoSet the disc (YEDS-18) into the OPLUS ONE� slit.rm.
Confirm the following :5. Close the front cover, and chuck the disc.
A/B x 100 = less than ? 10%6. Playback th e fifth track of the disc.
7. Confirm that reading on frequency counter is 4.3218 MHz ?
Center of the
Traverse waveform
waveform30 kHz.
About RV601 on the MAIN board
B
RV601 of the MAIN board requires no adjustments. Please note
that it should be dixed to mechanical center position when youA (DC voltage)
0 Vmoved and do not know origin position.
level: 1.3 ? 0.5 Vp-p
10. Disconnect the lead wire short-circuited at step 8. (The track-
ing servo is turned ON.) Confirm the C (DC voltage) is almost
equal to the A (DC voltage) is step 8.
Traverse waveform
C (DC
0 Vvoltage)
Tracking servoTracking servo
OFFON
11. Turn OFF the power, and remove the lead wire connected at
step 1.
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ACEC
