Sony DNW-A75 Maintenance Manual page 153

A17 : A11-A16 ALL ADJUST
This menu executes the automatic adjustment of A11 to
A16 described previously in the following order.
A13: PLAY PLL
A16: A/D GAIN
A11: EQUALIZER
A14: FWD PLL
A15: REV PLL
A12: REC CURRENT
To execute the automatic adjustment
(1) Insert an alignment tape SR5-1 (for 525/60 system) or
SR5-1P (for 625/50 system) rewound to the tape top.
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Be sure to use the specified alignment tape.
If the specified cassette tape is not used, the adjust-
ment cannot be properly performed.
(2) Press the SET button to initiate the automatic adjust-
ment.
. The automatic adjustment is initiated after automati-
cally running the tape.
. The superimposed display during the automatic
adjustment is displayed in the same way as when
each adjustment is independently executed.
. The adjustment for a PB system is completed in
about five to six minutes unless the message "Condi-
tion NG" or "Auto Adjust Failure" is displayed.
. On completing the adjustment for the PB system, a
message "Set a blank tape and push SET button for
REC CURRENT adjustment" is displayed on the
superimposed display. The alignment tape stops with
rewound to the tape top.
(3) Eject the alignment tape.
(4) Insert the cassette tape on which recording is possible.
DNW-A75/A75P
(5) Press the SET button.
. On pressing it, the automatic adjustment (A12 : REC
CURRENT) in a REC system is initiated.
. The superimposed display during the automatic
adjustment is displayed in the same way as when the
adjustment is independently executed.
. If message "Condition NG" or "Auto Adjust Fail-
ure" is not displayed, the adjustment in a REC
system is completed after several seconds.
. The adjustment for the REC system is completed in
several seconds unless the message "Condition NG"
or "Auto Adjust Failure" is displayed.
(6) Check to see that the message "Auto Adjust Com-
plete" is displayed on the superimposed display.
. When seeing the adjustment data, perform in each
menu.
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If abnormality exists during adjustment, message "Condi-
tion NG" or "Auto Adjust Failure" is displayed in the same
way as when the adjustment is executed independently.
The automatic adjustment stops in the adjustment menu. In
the time data display area, a message "A17-ALL FAIL" or
"A17-ALL NG" is displayed.
. If the message "Condition NG" or "Auto Adjust Failure"
is displayed, refer to the "For Condition NG/Automatic
Adjustment Failure" on page 4-65.
. To check the adjustment data, press the STOP button.
(7) To exit the menu, press the MENU button once.
. To execute readjustment, press the MENU button
once, then select the menu again.
(8) To save the adjustment data into the NV-RAM of an
RF system, execute SAVE ALL ADJUST DATA in
A1F : NV-RAM CONTROL menu.
To return the adjustment data to the former saved data
before adjustment, execute ALL DATA PREVIOUS
in A1F : NV-RAM CONTROL menu.
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Do not save the adjustment data into the NV-RAM
when abnormality is found during automatic adjust-
ment (when the message "Auto Adjust Failure" or
"Condition NG" is displayed).
4-2. TAPE Maintenance Mode (M0)
4-2-9. RF ADJUST Mode (A1)
4-63