Ff Mode; Fwd Ams Mode; Rev Ams Mode; Mechanism Operation - Sony CFD-K10 Service Manual

CFD.KlO
24.
FF (REW) mode
Mechanism operation (same operation for both FF and
REW modes)
The head base is locked at a set position by the AMS lever
synchronized with "solenoid plunger".
"Motor capstan" is tumed off after "base head" is locked.
Voltase of "motor reel" in FF or REW mode is 6 V.
Êw D - AM S FF (R Ew)
T IM ING CH ART
) > ( < < ) I N P U r
> ( < ) L E D
RM F ( R)
R M . H
LLNE M UT E
i 4 o 2 0 0 m s e c 4 0 2 2 0 n s è c r O C r o o i r o o i
i r s e ,
r s e ( - ' e c - s e c . , e y ^ r
I \ey . n :s r ecêr ved. <êy ,n ;s r^hr b r ed
e ^ab l ed
2.5. FWDAMS
mode
Mechanlsm operation
It is changed from FWD mode to STOP mode, "lever AMS" is
stopped in midway of that "bâse head" is moved forward as
machnism operation of FWD mode, and it is set to FWD, AMS,
and FF/REW modes. A position of "Base head" is the same as in
FF,/REW mode (advanced by 4 mm than STOP mode) .
Difference from FF,REW mode is a ruming direction of " motor
reel".
2-6. REV AMS (REW/FF) mode
Timing chart
STOP -- REV -- AMS.REW/FF
. All the signals in REV AMS mode is the same as those of
REW mode except that a LED blinks or lights on.
illechanism operation
It is changed from REV mode to STOP mode, "lever AMS"
is stopped in midway of that "base head" is moved forward as
mechanism operation of REV mode, and it is set to REV,
AMS, and REW/FF modes.
A position of "Base head" is the same as in FF/REW mode
(advanced by 4 mm than STOP mode).
Difference from FF/REW mode is a ruming direction of " motor
reel".
S T O P - F F (R E W )
T I MI N G C H A RT
> (<< )
rN P U r -
These two sleps
arê tepeated unlil it
is switcheal lo othel
cM -------r
Xêtsô is inhbit€d
(ev_n is .n.bled.
-î*
.1_,-,/
o
a
Direction of head is REV.
Direction of turning of "motor reel'.
FF : Counterclockwise
REW : Clockwise
Length by which "base head" moves forward.
levet AMS
"Base head" moves 4 mm trcm
a position in STOP mode.
base head
caPslan
lever P (R)
lever P (N)
1
23-