Tascam DA-30 - Page 9

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2-3-3.
Disassembly
of
the
base
mechanism
block
(Fig.
2-5)
9-3-3.
N-R-kHAAzAKL*+
FAUVIDOSK
(842-5
)
RF amp block
Base mechanism unit
A—-As*AHIAL-A=yth
Loading gear unit
a—Fe4 Vv A7-¥F-Ap=yvt
— Sub-chassis unit
PPoer—Y-aioyt
PCB drive block
Fig. 2-5
PCB DRIVE BLK ORAL
1.
PCB
DRIVE
BKK
D7
57h
+
7-FUROY—
FR
(
1.
Removal
of
the
PCB
drive
block
1.
1.
Remove
the
flat
ribbon
cable
and
leads
of
the
PCB
drive
block,
then
bend
the
hook
back
over
the
hole
(on
line
A)
as
shown
in
Fig.
2-6
using
Bos)
FAL,
Bl2-8§
D7»
IOMITES
IAV-F
pliers.
‘
CAL
CARE)
CHYRYT.
Hook
JF
Slide F/R
ABT KF/R
Flat ribbon cable _.
Doyb-7-TW
PCB drive block
Brake bosses (L), (R)
FEL-#H(LI(RINKA
!
!
i
i
Note:
During
assembly,
feed
the
hook
through
the
hole,
then
secure
by
bending
with
pliers,
etc.
The
angle
of
the
bend
should
be
such
that
the
PCB
drive
block
does
not
wobble
(approx.
30°
to
45°).
Do
not
remove
the
PCB
drive
block
more
than
two
or
three
times
in
view
of
metal
fatigue
of
the
hook.
11.
Remove
screw
@
shown
in
Fig.
2-5,
and
remove
the
PCB.
drive
block.
Removal
of
the
belt
Note:
Do
not
let
grease
or
foreign
object
adhere
to the belt.
Removal of the sub-chassis unit
Remove
three
screws
©
and
screw
©
shown
in
Fig.
-
.2-5,
then
remove
the
sub-chassis
unit.
:
Note
1:
Since
screw
©
is
a
self-tapping
screw,
pay
attention
to
the
removal
and
tighten-
ing
torque.
.
:
Note
2:
When
reinstalling
the
sub-chassis
unit
to
the
base
mechanism
unit,
move
the
bosses
of
brakes
(L)
and
(R)
shown
in
Fig.
2-7
in
the
direction
of
the
arrows.
Removal of the RF amp block
Remove
two
screws
@)
shown
in
Fig.
2-5,
then
remove
the RF amp block.
Note:
Take
care
not
to
break
the
RF
cable.
Removal
of
the
loading
gear
unit
1.
Disengage
hooks
@
and
hook
shown
in
Fig.
2-8,
then
remove
the
tape
end
sensor
from
side
chassis (L).
11.
Remove
two
screws
©
shown
in
Fig.
2-5,
then
remove
the
loading
gear
unit.
.
Note
1:
Take
care
not
to
break
the
cables.
Note
2:
When
reinstalling
the
loading
gear
unit,
mate
the
projections
for
interlocking
shown
in
Fig.
2-9
with
the
groove
for
interlocking
in
the
slider
loading
block
of
the
base
mechanism
unit..
Loading gear unit
Rack
LD
n—-F4U7-¥P-axzyt
7770
Projections for
interlocking
Groove for interlocking
HAS
Side chassis (L}
to Feo —>—(L) ®
- 4,
#.
AUT,
PEACML,
FH1¥-SCHMIRE
tHZCk,
COL
SAU
OMMIL,
PCB
DRIVER
BLK
WIMOGMVEE
CHZ0°
~45°
VETS.
&,
PCB
DRIVER
BLKO
MALI,
7x7
OSRRHES
MR
L2~3M=eRMRELTFEW,
1. 2-5 DEA@EALT, PCB DRIVE BLE ERAT.
<AVbERAT.
HE. KMS YA, RHthHBereeuce,
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Bl2-5
DA
YOSKEARYOEAL.
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MAUBRICI,
Bl2-7
DFU
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O
HRAEKMAMCHHT
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Tape end sensor.
F-F7-EY Fee ey
Fig. 2-8
RF AMP BLKD ARAL
Blo-5
DA
V@2ZAEAL,
RF
AMP
BLKEMAT.
HE.
RFF
-~-FAVOMRBCERTSZCOL.
5.
O-P4 YF SETS A= 7 FORMAL
1.
Be-8
D7
x7I@ETZ7IOMEAL,
F-Fo
rv
Fe
evt—-Etd Fe vey —(L) LOAF.
I.
Ble-5
DR
Y@2KEAL,
O-H1YF
FT
=
yhERAT.
£1. RMOMBCEBTSZCE.
Base mechanism unit
er
tee
#2.
O-
F477
-#¥T-
27
PEMACHER,
A
a
1-9
DHMMRBWEX-
2+
AUHKA+a=7t
Fig. 2-7
@
SLIDER
LDG
BLK
OMMBAMMCANScCE.
Fig. 2-6
SERIO
dN
TREES
INT
BAILII
EDULE
TE
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