Sony DSR-570WS Service Manual page 189

2. Set the REVsearch mode.
Check the RF waveform at the exit.
If RF waveform is no good, rotate the TG-7
upper flange in the counterclockwise direction by
90d, and perform steps 1 and 2 again.
3. Set the REV search mode. Check that no curls
are formed on the TG-8 upper flange.
If curls are formed, rotate the TG-8 upper flange
in the counterclockwise direction and remove the
curls.
DSR-570WS/570WSP V1
<RF waveform>
TG-7 upper flange
TG-8 upper flange
NG
OK
7-9