Rf Waveform Raiseup Check - Sony DSR-2000A Service Manual

8-7. RF Waveform Raiseup Check

Basic knowledge
To perform tracking adjustment using the alignment tape (XH2-1AST), refer to
the following items.
. For the procedure to enter the maintenance menu, refer to Section 5-2-2.
. For the procedure to exit the maintenance menu, refer to Section 5-2-3.
. For the operating procedure of the maintenance menu during the tracking adjust-
ment, refer to Section 8-1.
Tools
. Alignment tape, XH2-1AST :
. Tape path adjustment board, DJ-461 :
. Dual trace oscilloscope
Check procedure
1. Connect the oscilloscope as follows :
CH-1 : TP2 / DJ-461
CH-2 : TP3 / DJ-461
TRIG : CH-2
2. Insert the alignment tape XH2-1AST on the VTR.
3. Confirm that the RF waveform raises up within two
seconds at the specified amplitude when the mode is
changed from EJECT → PLAY → EJECT → PLAY
repeatedly.
4. Confirm that the RF waveform raises up within two
seconds at the specified amplitude when the mode is
changed from FF → PLAY and from REW → PLAY.
DSR-2000A/2000AP
8-967-999-02
J-6444-610-B
4/5 Div
max.
min.
Specification : max. _ min. < 4/5 Div
3 Div
8-15