Sony TC-377 - Other Mechanical Controls and Checks

7H
+
PAUSE Adjustment : . Capstan Idler Position Adjustment
STOP
mode
Me
oc
This adjustment should be done after tension
regulator adjustment.
FWD mode
. motor. pulley 48cem/s (17 ips)
to be flush :
g 9.5cem/s (34 ips)
To contact = ee = “ aa
1. Adjust screw @® so that the distance between
? at center SJ oe ee
the end of PAUSE pull rod and PAUSE stroke
adjusting plate is 4~5mm (%2"~3/6") in
STOP mode.
ef . flywheel
ese
19cm/s_ to be some
(71/2 ips) Clearance
ty
Be sure that the clearance between pinch roller
i}
i
|
i
and
capstan
is
more
than
{
mm
(1/32)
when
aay
pulling
the
PAUSE
lever
in
FWD
mode,
and
-|
i
|
1mm
(Yea)
PAUSE
button
is
not
locked
when
pulling
it
|
|
|
in
STOP
mode.
1
|
3.
Adjust
screw
(B)
so
that
the
clearance
between
|
|
tension
regulator
arm
and
PAUSE
leaf
spring
aa
0
is
2~3
mm
(1/,")
in
STOP
mode.
Brake
should
|
|
|
fic
tie
z
sy
work,
when
pulling
the
PAUSE
lever
in
FWD
|
c
Pie
leler
Be
a
mode. : i | loosening the screw. ©
| ae
screw
4~5mm
i
ij
After
adjustment,
capstan
idler
should
not
come
(h2~he”)
PAUSE
pull
rod
in contact with flywheel and 60 Hz motor pulley in
; STOP mode and the clearance between capstan idler
and 50 Hz motor pulley is more than 3mm (}/g") in
i STOP mode.
capstan idler
|
i
f
i
t
“Idler Arm (C) Stroke Check —
FWD mode
At 4.8 cm/s (17/g ips) tape speed:
PAUSE stroke Head deck bottom view.
adjusting plate
tension regulator
PAUSE lever arm
Shut-off Mechanism Adjustment
STOP
mode
leo
pet
Sl
Hi
1
is
more
than
0.6
mm
(1/4"
iS
aes
ee
ee
|
50Hz
|
clearance
is
more
than
0.6mm
(
Yea")
_|
earance
i
r
(%4")
1
|
L
sot
|
Speed Selector Cam Position Adjustment 1. Loosen two screws (A) and adjust by position- 2. Adjust screw (@) so that the clearance between | | some clearance
FWD mode ing the shut-off lever holding plate ass’y so that shut-off levers (B) and (H) is 0.3~0.6mm } ;
Loosen the screw and adjust to locate the idler the shut-off mechanism is locked when the (444") in STOP mode.
clearance between the shut-off arm end and
head deck is 6mm (15/64”), and shut-off
mechanism is released completely when it is
(64).
arm pin in the stopper slot (2) shown, at 19 cm/s
tape
speed,
.
clearance .
capstan
idler
cabinet
a
head
deck
7mm
(3/64)
(bottom
view)
shut-off
lever
(H)
adjusting
screw
@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
i
|
|
|
|
. ~ scrape flutter filter roller
adjusting screw @: lock
y
i
i
equalizer | 6mm SSS }
:
i
ne
adjusting screw { .
; dler arm pa | | Scrape Flutter Filter Roller Check
/
of
idler
arm
(C}
ass’y
shut-off
lever
holding
FWD
mode
|
| plate ass’y _ At 4.8cm/s (17/g ips) tape speed
|
shut-off
mechanism
:
.
To
contact
the
tape
sufficiently.
|
release |
—11— : : 2 ve — 12—
SONY -00124/DRUCKS.