Rf Waveform Raiseup Check - Sony HDV HVR-1500 Service Manual

7-7. RF Waveform Raiseup Check

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 4-2-2.
. For the procedure to exit the maintenance menu, refer to Section 4-2-3.
. For the operating procedure of the maintenance menu during the tracking adjust-
ment, refer to Section 7-1.
Tools
. Alignment tape, XH2-1AST :
. Tape path adjustment board, DJ-461 :
. Tape path tool connection cable, DJ-472 :
. Tape path tool power supply cable, DJ-500 : J-6445-000-A
. DC regulated power supply
. 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.
7-16
8-967-999-02
J-6444-610-B
J-6444-720-A
4/5 Div
max.
min.
Specification : max. _ min. < 4/5 Div
3 Div
HVR-1500