Sony DSR-300 Service Manual page 247

5-6. TG-7 AND TG-8 GUIDES
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
5-2.)
4. Insert an alignment tape into the unit.
Adjusting Method
1. Set the PLAY mode.
Check that the slack of the tape between the
capstan and the TG-7 upper flange satisfies the
specification.
If it does not, rotate the TG-7 upper flange, and
adjust so that the tape does not slack.
DSR-300/P(E)/V1
TG-7 upper flange
TG-7 upper flange
Slack of tape
(Specification :
Less than 0.5 mm)
Capstan
TG-6
5-11