Tracking Adjustment; Tracking Rough Adjustment - Sony DSR-570WS Service Manual

7-3. Tracking Adjustment

Equipment and Tool
. Alignment tape, XH2-1AST
. RF extension tool
. Oscilloscope
Setting
1. Connect the RF extension tool to CN775 of RP-
91 board.
2. Connect the oscilloscope as follows.
CH1: RF/RF extension tool (RF waveform)
CH2: JSW/RF extension tool (Switching
waveform)
Trigger: CH2
3. Select maintenance menu No. 604-10, center ITI
mode for tracking adjustment.
(Refer to Section 7-2.)
4. Insert an alignment tape into the unit.

7-3-1. Tracking Rough Adjustment

1. Set the PLAY mode.
2. Check that the tape runs along the TG-2 lower
flange, TG-3 upper flange, TG-5 upper flange
and TG-7 upper flange. (Refer to Section 7-1-6.
Tape Path State.)
Then, check that there are no curls on the TG-1
and TG-8 upper flange.
(At this time, the tape need not along the TG-1
and TG-8 upper flange.)
3. Check that both the RF waveform at both the
entrance and exit is flat on the oscilloscope.
4. If RF waveform does not flat, rotate the TG-3
and TG-5 upper flange, and adjust so that it
makes flat.
7-6
<RF waveform>
Entrance
TG-1 upper flange
TG-3 upper flange
Exit
A Normal
B Abnormal at
entrance
C Abnormal at
exit
TG-2 upper flange
TG-5 upper flange
DSR-570WS/570WSP V1