Table of Contents
Advertisement
3-5-2. M-S Mix Ratio Adjustment
Test Point
CN102 - pin 3 (TE) and pin 4 (MPP)
Adjustment Point
RECORD and REC MUTE buttons
Adjust until the value of output signal from pin 3 (TE) and pin 4 (MPP) of CN102 are the same,
Adjustment Value
or the differential output of these signals is minimal.
[Procedure]
(1)
Press the AUTO/MANUAL button so that "02_F3" appears on the FL display.
(2)
Press the FINALIZE button for focus-in.
(3)
Press the PLAY button for CAV-servo spindle kick (the status where the spindle rotates with the focus servo on and
tracking servo off).
(4)
Adjust with the RECORD and REC MUTE buttons until the value to be reached is obtained.
(5)
Press the SET button to register the adjustment.
Once the adjustment is registered with the SET button, "?" on the FL display will disappear.
(6)
Press the STOP button to stop the unit.
NOTE: For adjustment, use the following circuits.
39k
TE
39k
MPP
VC
NOTE: Adjustment must be done around mid-radius on a disc.
3-5-3. Tracking Offset Adjustment
Test Point
CN354 - pin 2 (TE) or CN102 - pin 3 (TE)
Adjustment Point
RECORD and REC MUTE buttons
0 mV ± 10 mV
Adjustment Value
[Procedure]
(1)
Press the AUTO/MANUAL button so that "03_F6" appears on the FL display.
(2)
Press the RECORD and REC MUTE buttons until the above adjustment value to be reached is obtained.
(3)
Press the SET button to register the adjustment.
Once the adjustment is registered with the SET button, "?" on the FL display will disappear.
FE
10 : 1
VC
10:1 probe
NOTE: Perform the adjustment in STOP mode.
This adjustment is possible with the low-pass filter used in adjustment 5 above attached.
CH1
0.001 F
10 : 1
Oscilloscope
CH2
10 : 1
10:1 probe
0.001 F
Oscilloscope
CR300
17
Hide quick links:
Advertisement
Table of Contents
