5) Press the DISPLAY once again.
Confirm that the values of OGf**t##s33� are within the range shown below. (hexadecimal)
f O**� ...................... 20 to 40
t O##� ...................... 15 to 35
s O33�.................... 15 to 35
FOCUS GAIN TRACKING GAINSLED GAIN
6) After adjustment, press the STOP button to return the display to OALL SV OFF�.
3-3. Adjusting the PIT Disk
1) Load the TGYS-1.
2) Press the MD MODE button to display OSELECT PIT�.
3) Press the MD function button to display OAUTO ADJ�. After adjustment, ODONE� is displayed. (If the adjustment failed,
OFAILED� appears.)
4) Then, press the STOP button to return the display to OALL SV OFF�.
3-4. IVR, EFB, Focus/ Tracking/ Sled Gain Check of PIT Disk
1) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
2) Press the PLAY button to display OFOCUS ON!�.
3) Press the ENTER button to display OALL SV ON�.
4) Press the STOP button and press the DISPLAY button twice.
Confirm that the values of OIV$**:EF$��� are within the range shown below. (hexadecimal)
IV$ O**� ................. 13 to 19
EF$ O��� .............. 09 to 12
5) Press the DISPLAY once again.IVREFB
Confirm that the values of OGf**t##s33� are within the range shown below. (hexadecimal)
f O**� ...................... 2A to 45
t O##� ...................... 15 to 40
s O33�.................... 15 to 40
FOCUS GAIN TRACKING GAINSLED GAIN
6) After adjustment, press the STOP button to return the display to OALL SV OFF�.
4. Playback Error Rate Check (PIT disk)
YTest point: Check the test point on the display.
YTest disk: TSYS-1 or equivalent
1) Load 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 OSELECT PIT�.
4) Press the PLAY button to display OFOCUS ON!�.
5) Press the ENTER button to display OALL SV ON�.
6) Press the DISPLAY button once to confirm that the address indication is stable and count starts.
7) Press the DISPLAY button once again to display the playback error rate.
Confirm that the numbers of OEr****:***** � (underlined portion) is OEr0030�or lower.
8) After checking, press the STOP button to return the display to OALL SV OFF�.
5. Record/Playback Error Rate Check (MO disk)
YTest point: Check the test point on the display.
YTest disk: MDW-74
1) Load 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 CD function button. Recording starts automatically in cluster 600.
4) After recording for about 15 seconds, press the STOP button.
5) Press the AUX/D-IN function button to move the pickup to around 600 cluster and enter the OALL SV ON� state (the display is in
the sate of the address indication), and press the DISPLAY button in or after cluster 600.
Then confirm that the values of OEr****:****� (underlined portion) is OEr0030� or lower.
6) After adjustment, press the STOP button to return the display to OALL SV OFF�.
19 |
ACEC
AIWA
