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4. Error Rate Check (PIT disk)
• Test point: Check the test point on the display.
• Test disk: TSYS-1 or equivalent Checking procedure
1) Insert the TGYS-1.
2) Move the pickup to the center of the disk using the B.SKIP
button and F.SKIP button.
3) Press the MD MODE button to display "SEL PIT".
4) Press the PLAY button to display "FCS ON!".
5) Press the ENTER button to display "SV ON". Press the
DISPLAY button once to confirm that the address
indication is stable. (Refer to Fig-4)
6) Press the DISPLAY button once again to display the
playback error rate. (Refer to Fig-5.) Confirm that the
numbers of "##: ****" (underlined portion) is "0030" or
lower.
7) After check, press the STOP button to return the display to
"SV OFF".
5. Record/Playback Error Rate Check (MO disk)
• Test point: Check the test point on the display.
• Test disk: MDW-74 (MDW-60)
• Checking procedure
1) Insert the MDW-74.
2) Move the pickup to the center of the disk using the B.SKIP
button and F.SKIP button.
3) Press the JOG MODE button. Recording starts
automatically in cluster 600.
4) After recording for about 15 seconds, press the STOP
button.
5) Press the ECO/DEMO button. "SV ON" is displayed from
around cluster 600 onward (the display is in the sate of the
address indication) and press the DISPLAY button in or
after cluster 600. (Refer to Fig-6.)
Then confirm that the values of "##: ****" (underlined
portion) is "0030" or lower.
6) After adjustment, press the STOP button to return the
display to "SV OFF".
6. Checking the No Adjust
1) Press the POWER button to turn off the power.
2) Press the POWER button again to turn on the power.
3) Confirm that "No Adjust" is not displayed.
*
If "No Adjust" is displayed, perform all the adjustments of
1 to 3.
T- B A SS
Fig-4. Address indication
T-B A SS
Fig-5. Error rate indication
T- B A SS
ROCK
Fig-6. Address indication
17
SLEEP
MD
AUTO MARK
POP
SLEEP
MD
AUTO MARK
POP
SLEEP
MD
TIME MARK
MONO
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