Ref.No Part
No.
Description
o'ty
8 TRACK
TAPE
PLAYER
MECHANISM
'l
2
4
6
7
I
I
10
11
12
IJ
14
't5
16
17
18
't3't
o 4007 0uo2
131 0 3807 00100
131 0 38G 001 10
1310 3804 00130
131 0 3806 00t40
131 0 3806 00130
131 0 3803 00120
4 5269 29003
131 2 4804
00120
4
2429
20070
131 25801
00220
131 2 4aO2 00120
131 2 3807
001 10
141 2 4469 0€,800
4 2319
71280
131 2380200120
335 3
0904 80000
131 2 5801 002't0
131
0
3016
10400
Tape
Player
Assy
Chassis Assy
Flywheel
Assy
Base
Head
Assy
Lever
Stop Assy
Grar Arm Assy
Gear Cam
Assy
Comutate MOT Winding
Rubber
Belt
Magnetic
Head
Azimuth Spring
Sensing
Contact
Tape Guide
Pad
Tape
Switch Leaf
Bridge
Core Shield U
L
Head Base
Spring
Cramp Wire Assy
1
1
1
'I
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Tools to be
provided.
V.T.V.M.
Oscilloscope and test tape
RCA0321,
Pony-806
or
Victor-8O1
(Recorded
on track 1
and
3
with lkHz
and
on
track
6 with
8kHz)
RCA.323
(Recorded
on the full track
with 400H2)
Note
on adjustment
(1
)
Head
core
must
be cleaned
isoprophl
alcohol
before
adjustment.
l2l
fo be
careful
not
to
give
any
damage on the core
face.
(3)
Adjustment
should be
performed
as indicated.
(4)
After
adjustment,
each adjusted
part
should be
locked
with
paint
and
demagnetized with eracer.
1.
HEAD HEIGHT
ADJUSTMENT
(1
)
Prepare
a test cartridge tape
(RCA-321
or
Pony€06).
(2)
Push
the channel
selector and
index head
to track 2
(on
2 channel).
(3)
Connect
oscilloscope
or V.T.V.M. to output current.
(4)
Turn
the head height adjusting screw
(No.
B ... See
the
tape deck exploded
view.)
slowly
right
and
left
to
find out
a
null. To be
assured
of
proper
setting,
PARTS
LIST
NOTES:
1.
Part
orders must
contain Model
Number. Part
Number
and
Descriotion.
2. Ordering
quantity
of
screws
and/or resistors must
be multiple
of
10
pcs.
making
sure there is
a
peak
on either side of
the
null,
at the
point
where
the intermediate
output is
smallest,
tighten
the screw for
positioning.
(When
a tape slips off head face,
take
out
the tape
and
put
the
leaf switch on
the
power
source,
then
pushing
the
selector
button
up
and
down, make
sure
that the
position
of the head
core is
exactly
in
the
width
of the tape
guide.)
(5)
By
changing channel from 4
to 2 again, make sure
that the
output on channel 2
is smallest. When
the
output on channel
2 is larger
than on channel 4,
readjust
it as described
above
(4).
2. AZIMUTH
ADJUSTMENT
In
case that head
is slanting on along
theway
a
tape runs,
to aquire
maximum
high frequency will
be difficult.
The following
adjustments
will
be
performed
to cope with.
(1)
Prepare
a test tape cartridge RCA-321.
(2)
Using
a
(a),
screw driver, wind
the adjustment screw
(No.
A) to
bring out
maximum
output on channel 2,
presenting
8kHz.
(3)
As head
height might
be moved
by this adjustment,
readjustment
will
be required
to assure the
head
position.
'l
;
i
;
I
J
A TRACK
TAPE DECK
ADJUSTMENT
B,
v
2l
D
t2
o
2
al
2
8
Ref.No
Part
No.
Description
O'ty
8
TRACK
TAPE
PLAYER
MECHANISM
19
ZU
21
22
23
24
25
26
27
26
29
30
31
32
33
54
A
B
4
2379
2012'l
1083111000000
131 2 4809
00180
131 2
5801 00230
131 0
4008
00301
131
2 5801
00260
131 2 42c€
21200
131 2
3815
001 10
131 2382200110
4 2269
27090
1 31 2
381 1
00't 20
13'l
21410
13700
DNN-FI4K
(P)
131 2
3803
00120
R3AXPKlOOA
4 2539
20210
131
2 4808
00140
131 2 4808
00120
Terminal
Lug 4P
Ring
E
l Omm
Washer
Plunger
Spring
Solenoid Assy
Spring Gear Arm
Spacer
Plunger
Stopper
Gear
Planetary
Contact
P.C.B.
Head Base Area
Cover
Diode
F-14K
(P)
Guide
oxideMetal
Film
'10
1w
i10%
Choke Coil
Screw Azimuth
Screw Area
1
1
1
1
1
1
1
1
1
'|
I
I
,l
1
,l
I
1
1
J
-
10-