Tracking Check - Sony DSR-20MD Service Manual

6-3-8. TRACKING CHECK

3 TRACKING WAVEFORM CHECK-1
5 TRACKING WAVEFORM CHECK-2
C
A
C
CH1
EXT
TRIG
Oscilloscope
0.65A A
A : 100%
Check the waveform
does not fluctuate
C
badly.
C
1
C ≤
A
8
Trigger slope: +
4 When the waveform's amplitude of CUE (or REV) is
A (=100%), check the difference between the minimum
amplitude (Emin) and the maximum amplitude (Emax) for
FWD is 30% or less.
Waveform in CUE or REV.
Waveform in FWD.
Emin : minimum value.
Emax: Maximum value.
1 Connection.
Refer to 2 Connection of
6-3-6. Adjustment
preparations.
RP board
POWER
5-51
A=100%
Emin Emax
(Emax – Emin) ≤ 30% or (
2 Playback.
Tracking tape
(XH2-1 AST)
Note: Tape Path (Refer
to page 5-4) (J-5)
DECK
XH2-1
3
A)
10