Sony HDW-F500 Maintenance Manual page 170

4-4. Alternative Maintenance Menu
4-4-1. SERVO SYSTEM Adjustment
[F1] (NVRAM CTL) Key :
Saves the adjustment data of servo system to NVRAM.
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Perform this adjustment while a cassette tape is ejected out
from the unit. If the cassette tape is loaded in the unit
when selected this menu, the cassette tape is automatically
ejected.
(1) Press [F1] key from SERVO ADJUST menu to enter
to NVRAM CONTROL menu.
(2) Press and keys to select SAVE ALL DATA.
(When selected, it is indicated in "white characters on
black background" mode.)
(3) Press [F10] (EXIT) key. Transfer of data starts. On
the display, message "NVRAM WRITING....."
continues to appear.
(4) When data transfer completed, the message above
disappears.
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If turned the power OFF without saving the adjustment
data to NVRAM after the adjustment, the adjustment data
of servo system restores to the data just before the adjust-
ment.
[F2] (AUTO ADJ) Key :
Sequentially performs automatic adjustments to following
menus.
1. [F3] : S REEL FG DUTY ADJUST
2. [F4] : T REEL FG DUTY ADJUST
3. [F5] : CAPSTAN FG DUTY ADJUST
4. [F6] : S REEL OFFSET/FRICTION
5. [F7] : T REEL OFFSET/FRICTION
6. [F8] : S REEL TORQUE ADJUST
7. [F9] : T REEL TORQUE ADJUST
8. [F3] : S/T TENSION OFFSET ADJUST
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If you want to perform individual REEL adjustment,
perform the adjustment in the order listed above.
Also, perform REEL adjustment above when a cassette
tape ejected from the unit. If the cassette tape is loaded in
the unit when selected this menu, the cassette tape is
automatically ejected.
4-54
CH.COND
S ERVO ADJ UST
N VRAM CON TROL
N O OP ERAT ION
S AVE ALL DATA
CH.COND
N V R A M
C T L
SERV O AD JUST
A U T O
A D J
AUTO ADJ UST
P USH THE UP/D OWN C URSO R BU TTON
S R E E L
F G
T R E E L
F G
C A P S T N S R E E L T R E E L S R E E L
F G O / F O / F T O R Q E
NVR AM CT L
T CR 00 :00: 00:0 2
E X I T
SE RVO A DJ
T CR 0 0:00: 00:0 2
T R E E L E X I T
T O R Q E
HDW-F500E MMP1