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SV1E
Manual PG Adjustment (Servo adjustment command)
Function: Adjusts the PG manually.
n
For the actual adjustment, an oscilloscope is required.
Operation: (1) Perform the oscilloscope setting and
connection.
(2) Enter command.
After the title, the following message
is then displayed on the screen.
* To stop the execution of adjustment, press the
* To eject of cassette tape, press a key except Y
(3) Insert alignment tape YR2-1 into this unit.
* Do not use tapes other than YR2-1. It is
* To move the tape address during adjustment
(4) Press the Y key.
* PG data (in hexadecimal) is displayed on the
* Press the Y key without inserting a tape to
(5) Press the H, J, K, and L keys to
change data.
Observe the oscilloscope and change
data until it meets the specifications.
H : Sets the PG data to +10h.
J : Sets the PG data to +1h.
K : Sets the PG data to _1h.
L : Sets the PG data to _10h.
(6) To terminate adjustment, press the
CTRL and C keys simultaneously.
(7) To save adjustment data in the NV-RAM
(Non-volatile RAM), execute command
SV0C (Servo NV-RAM Save).
* After other servo adjustment, servo adjustment
GY-2120WD/WS
Set YR2-1 (Alignment Tape)
Are you ready (y/n/else=Eject)?
N key.
and N.
impossible to perform this adjustment properly
in this case.
start, use the control panel.
screen.
display the message again.
data can be collectively saved in the NV-RAM.
. Oscilloscope setting
Vertical axis of CH1
Vertical axis of CH2
Horizontal axis of CH1 = 5.0 us/DIV
Trigger
. Oscilloscope connection
CH1: TP602/EQ-66 (E-4) 1/2VD
CH2: TP204/EQ-66 (E-6) REC HEAD AC
. Specifications : T = 26.7 ± 2.0 us
Example:
------>sv1e
Servo Adjust [Manual Adjust]
Manual PG Adjustment
Set YR2-1 (Alignment Tape)
Are you ready (y/n/else=Eject)? Yes
[KEY] CTRL-C=EXIT
H=UP(FAST)
J=UP(SLOW)
K=DOWN(SLOW)
L=DOWN(FAST)
PG DATA:2249
Exiting...
------>_
6-2. Description of Commands
= 5 V/DIV
= 20 mV/DIV
= CH1
6-127
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Troubleshooting
