Sony DNW-A75 Maintenance Manual page 144

4-2. TAPE Maintenance Mode (M0)
4-2-8. ANALOG DT ADJUST Mode (A02)
Example of display and operation
ANALOG DT ADJUST
A030:HEAD OFFSET LEVEL
MODE : PLAY
*
Start auto adjust
Ach manual adjust
Bch manual adjust
Ach:00 Bch:00
(1)(2) 0
Insert the alignment tape
(3) 0
DIAL (2)
[SET]
(4) 0
ANALOG DT ADJUST
A030:HEAD OFFSET LEVEL
MODE : PLAY
*
Start auto adjust
Ach manual adjust
Bch manual adjust
Push PLAY button
Ach:00 Bch:00
0 [PLAY]
(5)
ANALOG DT ADJUST
A030:HEAD OFFSET LEVEL
MODE : PLAY
*
Start auto adjust
Ach manual adjust
Bch manual adjust
ADJUSTING......
Ach:00 Bch:00
0
ANALOG DT ADJUST
A030:HEAD OFFSET LEVEL
MODE : PLAY
*
Start auto adjust
Ach manual adjust
Bch manual adjust
ADJUST COMPLETE
Ach:01 Bch:FF
(6) 0
Check
[MENU]
(7) 0
(8)
0
Data save
*
A032:DATA SAVE
4-54
When failing the automatic check
If the message "# ADJUST INCOMPLETE #" is displayed
during the automatic adjustment, perform the following
check.
(1) Perform C060: SG LOOP CHECK of C04: ANALOG
DT CHECK. (Refer to Section 4-2-3.)
(2) Adjust again. If the automatic adjustment fails,
perform step (3).
(3) Confirm that "Y RF ENVELOPE" signal exists at the
test terminal TP2700 on the SS-83 board.
. Not exist; Confirm the DM-89 board.
. Exists; Confirm the SS-83 board.
ANALOG DT ADJUST
A030:HEAD OFFSET LEVEL
MODE : PLAY
*
Start auto adjust
Ach manual adjust
Bch manual adjust
# ADJUST INCOMPLETE #
Ach
Ach:00 Bch:00
Ex.: When failing the automatic adjustment
DNW-A75/A75P