Aiwa CS-880E User manual

AIWA’
[SERVICE MANUAL)
GENERAL
Semiconductors:
Power source:
Power consumption:
Speakers:
Dimension:
Weight:
RADIO SECTION
Frequency range:
Intermediate frequency:
Sensitivity:
(IHF, THD 3%}
(S/N 10 dB)
(S/N 10 dB)
Image rejection:
IF rejection:
Total harmonic distortion:
a
ne
SPECIFICATIONS
17 ICs, 1 FET, 95 transistors,
68 diodes, 7 LED's, 1 LCD
E model
Batteries DC 13.5V (UM-1 x 9)
Back-up power supply (for tuner memory)
DC 3V (UM-3, “AA” x 2)
AC 110 ~ 120V/220 ~ 240V
switchable 50/60 Hz
K model
Batteries, DC 13.5V (UM-1 or HP-2 x 9)
Back-up power supply (for tuner memory}
DC 3V (UM-3 orHP —7 x 2)
K model
AC 120V/240V
switchable. 50/60 Hz
Car battery (thru car adaptor)
E model
140mm¢ x 2 (Woofer)
50mm¢ x 2 (Tweeter)
170mm¢ x 1 (Passive Radiator)
588(W) x 325(H) x 163(D) mm
8.6 kg
FM 87.5 ~ 108 MHz
MW 522 ~ 1,611 kHz
LW 146 ~ 353 kHz
FM 10.7 MHz
MW,LW 450 kHz
FM
14 + 6 dB (at 88.0 MHz)
12 + 6 dB (at 98.0 MHz)
12 + 6 dB (at 108.0 MHz)
MW
47+5dB (at 594 kHz)
45+5dB (at 1008 kHz)
42+5dB (at 1404 kHz)
LW
55 +5dB (at 155 kHz)
54+5dB (at 245 kHz)
55 +5d8 (at 344 kHz)
FM 45+ 6dB (at 108.0 MHz)
41 + 5 dB (at 1,404 kHz)
45 + 10 dB (at 344 kHz)
FM 80+ 20dB (at 88.0 MHz)
MW 2725 dB (at 594 kHz)
FM Less than 1.5% (at 98 MHz)
MW 1.7 + 1.0% (at 1,008 kHz)
Code No. 29-880-000-18 ji
DATE OF ISSUE 7/1981
22 + 3 dB (at 1 kHz)
FM 22+ 10dB (at 98 MHz)
MW 60 10dB (at 1,008 kHz)
LW 65+ 10dB (at 245 kHz)
FM stereo separation:
Auto stop level:
TAPE RECORDER SECTION
Tape speed: 4.8 cm/s. + 3%
Recording system: AC bias
Erasing system: AC erase
Record bias frequency: 61+ 0.5 kHz
Less than 1.5% (PB)
Less than 1.5% (REC/PB)
Distortion:
Frequency response: METAL tape 35 ~ 16,000 Hz
CrO, tape 35 ~ 13,000 Hz
LH tape 35 ~ 12,500 Hz
More than 49/46 dB
_ [DC/AC} (PB)
More than 44/42 dB
{[DC/AC] (REC/PB)
More than 60 dB
More than 38 dB (REC/PB)
More than 28W (14W + 14W)
90 + 5s. (at C-60)
Mechanical auto stop
125 415g (1.23 + 0.15N)
Less than 0.038% (WRMS)
35 *18 gm (343 “143 mN-m)
110 + 20 g-cm (1078 + 196 mN-m)
MIC 3.5¢ jack x 2
PHONO pin jack x 2
Signal to noise ratio:
(Un-weighted)
Erasing ratio:
Separation:
Output power:
FF & rewind time:
Automatic stop system:
Pinch roller pressure:
Wow and flutter:
Take-up torque:
FF & rewind torque:
Input terminal:
: DIN 5P
Input sensitivity/impedance:
0.3mV/3k2
DIN 500mV/470kQ2
PHONO 4mV /47k2
Output terminal: DIN 5P
EXT. SP 3.5@ jack x 2
PHONES 6.3¢ jack
e Noise reduction system manufactured under license from
Dolby Laboratories Licensing Corporation.
e Dolby and the QQ symbol are trademarks of Dolby Labo-~
ratories Licensing Corporation.
© Specifications and external appearance are subject to change
without notice due to product improvement.

-CS-880E,K
|
|
AIWA
DISASSEMBLING
CHART
OF
MAIN
PARTS
e
To
avoid
troubles
when
disassembling
or
replacing
the
main
Parts,
follow
the
chart
diagram
as
below.
DSL circuit board
Main
cabinet
Level
meter
Display circuit board
MS circuit board
Dial plate
Radio chassis
(including radio chassis, tuning, display MS, AF
(pattern side) PC Boards)
Tuning circuit board
AF circuit board (Part side)
MD-3 mechanism

AIwA |
DISASSEMBLY INSTRUCTIONS
Removing the Main Case
1) Remove 11 screws on the rear fid shown by arrows <.
nN
5 RF As ‘a ae cp |
iy
<= Oe >®@
Oe >
v %
i)
v
2) Remove 9 knobs.
| CS-880E,K
Installing the Main Case
1) Check that the fibre apper of the REC/PB PC Board (pattern
die) is fixed properly. :
Nfejcsa §6=9Firmly fix the fibre paper using two-sided tape, etc.
because it is likely to lift up when it is peeled off
once.
2) Lower all the fever switches in the direction of the arrow.
Fiber paper
Reais)
Be
sure
to
instal!
in
the
order
(1)
—
(3).
Be
careful:
when
it
is
mounted
incorrectly,
it
may
damage
the
dial
plate
and
the
display
PC
Boards,
etc.
Bl3) «Open the cassette lid.
(It is not required to remove the cassette lid)
4) Match the knobs while performing item 3) and tapping the
side.
A rl
®6/]o «5

AIWA
CS-880E,K |
Nike Removing the raciio chassis Installing the radio chassis
1) Be sure to remove the level meter before starting work to 1) Hook’ the jack plate to the tab of the rear lid while paying
prevent the pointer of the level meter from being damaged. attention not to pinch the wire. Compress the radio chassis
against
the
direction
of
the
arrow
after
checking
that
the
tuner PC Board is inserted into the rib.
2) Loosen the screw and lift up the hook.
“x MD-3 mechanism
we
CS
= i
afi fA
3) Remove 3 screws and lift up the radio chassis in the direction
of the arrow. The radio chassis, REC/PB, tuner, MS and
display PC Boards are removed at that time.
| “Settee “Tri gio
t ae Stee .
7 AAS. ATS
—

AIWA
|
|
CS-880E.K
Removing Mechanism
1)
Loosen
the
screw
and
remove
the
hook
of
the
rod.
2)
Remove
4
screws
VT1@3—~25
sf

CS-880E,K
|
|
AIWA
Cautions on Disassembling MD-3 Mechanism
Disassemble or repair the MD-3 mechanism while paying attention
to the springs and levers, etc. shown in the figure below.
4
The boss should come to
this position.
Lever, Auto A
Lever, Auto eject
Boss (The boss of the lever auto
A should come outside the T
spring auto eject)
Trigger lever, REC
Lever, REC drive
Check that the cam
is always kept pressed
in the direction of the
arrow.
Gear, PALY
T-spring,
Play
lever
Boss
(The
boss
should
be
on
the
right
side
of
the
lever
REC
driver)
Be sure to hook the T-spring (PLAY lever) to the cam of the
gear when installing the gear PLAY,
Hook it from the inside of the gear using a clock screwdriver
as shown in the figure. Perform the same for the gear FR
and cam gear PAUSE.

AIWA
DESCRIPTION OF THE MD-3 MECHANISM
Description
of
the
PLAY
Operation
With
the
plate
button
pressed,
the
trigger
lever
(PLAY)
moves
in
the
direction
of
the
arrow
<«
(1),
the
gear
(PLAY)
is
released
from
the
boss
of
the
trigger
lever
(PLAY)
engages
with
the
gear
flywheel
and
rotates
in
the
direction
of
the
arrow
<
(2),
the
boss
(A)
of
the
gear
(PLAY)
touches
the
trigger
lever
(PLAY)
and
the
gear
stops
rotating.
Actuatng chassis__ ——2—_____**— (
Gear, Flywheel
Gear, Flywheel
| CS-880E,K
When the gear (PLAY) rotates, the lever (PLAY) moves in the
direction of the arrow < (3) along the cam groove on the rear of
the gear to push up the operation chassis in the direction of the
arrow < (4).
The PLAY button which has been locked is released by pressing
the STOP button, the trigger lever (PLAY) moves in the direction of
the arrow < (5), the boss (A) of the gear (PLAY) is released and the
PLAY operation stops.
Capstan
Pinch lever ass‘y
Lever, PALY
Trigger lever, PLAY
Lever, PLAY
Flywheel
When the STOP button is pressed, the lever moves in the
direction of the arrow and the trigger lever PLAY releases
the boss (A) of the gear (PLAY).

cs.80E,k
|
|
AIWA
Description of the F F Operation
When
the
FF
button
is
pressed,
the
trigger
lever
FF
moves
in
the
pein
ee
ae
ee
ned
HSCeHON
DTG
IRS
BS
ROW
Feet
AN
Dee
Ot
eas
PH
ean
eee
lever
B
moves
in
the
ron
e
the
arrow
2
(3),
the
ER
lever
C
and
engages
with
the
gear
wheel
to
rotate
in
the
direction
of
the
Z
compresses
the
gear
of
the
FR
lever
Ass’y
against
the
Take-up
f
the
trigger
lever
FF
:
arrow.
«
(2),
the
boss
(A)
touches
the
boss
0
o
reel
disc
ass’y
to
perform
the
FF
operation.
Boss A FR lever B
Gear, FR .—.——
Boss B
Trigger lever, FF
FR lever C FR lever ass’y
Gear, Flywheel- - ——!
Co
Take-up reel disc
Supply reel disc-—
FR lever ass’y
—

AIWA
|
|
CS-880E,K
REW Operation
When the REW button is pressed, the trigger lever REW moves in The FR gear B is moved in the direction the arrow < (4) by means
the direction of the arrow < (1) and pushes the lever REW in the of the cam of the gear FR following the rotation of the gear FR,
direction
of
the
arrow
<
(2).
The
trigger
lever
FF
releases
the
boss
pulls
the
FR
lever
C
in
the
direction
of
the
arrow
<
{5)
and
moves
A of the gear at that time, the gear FR engages with the gear fly- the FR lever ass‘y in the direction of the arrow + (6) to rotate the
wheel, rotates in the direction of the arrow < (3), boss B touches Take-up ree! disc reel disc ass‘y to perform the REW operation.
the trigger lever FF and rotation stops.
Boss A FR Jever B Lever, REW
Trigger lever, REW
|
eed
FR
lever
C
FR
lever
ass’y
Gear, Flywheel
Trigger FF
Supply reel disc
E : Take-up reel disc
FR lever ass‘y ~~

CS-880E,K
|
|
AIWA
Description
of
the
PAUSE
Operation
When
the
PAUSE
button
is
pressed,
the
trigger
lever
PAUSE
moves
The
PAUSE
lever
moves
in
the
direction
of
the
arrow
+
(3)
along
in
the
direction
of
the
arrow
<
(1),
the
boss
A
of
the
gear
PAUSE
the
cam
groove
of
the
PAUSE
gear
at
that
time.
The
PLAY
idler
is
released,
enages
with
the
gear
flywheel
and
rotates
in
the
lever
and
the
pinch
lever
ass’y
is
moved
to
perform
the
PAUSE
direction
of
the
arrow
<
(2),
the
boss
B
touches
the
trigger
PAUSE
operation
at
that
time.
and
rotation
stops.
When
the
PAUSE
button
is
pressed
again,
the
button
is
released
from locking and simultaneously the boss B of the gear PAUSE is
released from the trigger lever PAUSE and the PAUSE operation
; A is released.
Lever,
PAUSE
Boss
Gear,
PLAY
:
Boss B
Gear, PAUSE Gear, Flywheel
Triggerlever, PAUSE
Play idler lever Lever, PAUSE
Pinch lever ass’y
—) fe el
10

AIWA
|
;
|
CS-880E,K
REC Operation
When
the
REC
and
PLAY
buttons
are
pressed
simultaneousty,
When
one
of
the
STOP,
FF
and
REW
buttons
is
pressed,
the
REC
r
‘
‘ i
trigger
lever
is
released
from
the
REC
lever
driver
and
only
the
the
trigger
lever
REC
moves
in
the
direction
of
the
arrow
<
(1).
REC
operation
is
released
The
PLAY
operation
is
performed
simultaneously
at
that
time,
,
so
the
REC
lever
driver
moves
in
the
direction
of
the
arrow
<
(2),
pushes
the
lever
REC
A,
B
in
the
direction
of
the
arrow
+
(3),
the
interlocked
slide
REC
plate
pulls
the
rod,
the
slide
switch
is
operated
and
the
unit
enters
the
REC
mode.
Gear,
Piay
Lever,
REC
drive
Trigger
lever,
REC
Lever, RECA
Lever, REC B
Slide plate, REC
41

CS-880E,K
|
|
Al
WA
Description
of
the
Auto-stop
Operation
The
motor
rotation
is
transmitted
to
the
gear
auto-kick
of
the
When
the
reel
discs
(S,
T
sides)
stop,
the
lever
auto
A
stops
in
the
MD-3
mechanism
via
the
slip
pulley
FR
ass’y.
condition
being
moves
in
the
direction
of
the
arrow
«
(2).
The
slip
disk
presses
the
lever
auto
A
in
the
direction
of
the
arrow
The
cam
(B)
of
the
gear
auto-kick
moves
the
lever
auto
A
in
the
«
(1)
when
the
Take-up
reel
disc
assy
is
rotating,
so
the
boss
of
the
direction
of
the
arrow
<
(3),
operates
the
plate
auto-kick
in
the
lever
auto
A
moves
along
the
cam
(A)
groove
of
the
gear
auto-kick.
direction
of
the
arrow
<
(4)
to
release
the
plate
lock
and
performs
the
AUTO
STOP
operation.
Boss
Cam A
Gear, Auto kick
y
7 j| en __________-Slip disk, Take-up reel disc ass‘y
Lever, Auto A
Cam B
12

AIWA
|
|
cs-ss0e,x
|
SPRING APPLICATION POSITION
E-spring, Trigger PLAY
E-spring, REW lever
T-spring, Auto kick
—é
T-spring, PAUSE
T-spring, Plate lock
E-spring, REC
E-spring, FR lever
:
E-spring, FR lever
T-spring, FR lever A
Z :
2
©
2
Le
rin
ee
y “spring,
an
T-spring, Auto eject:
T-spring, FR cam
T-spring, Trigger REC
Re
T-spring, REC lever
C-spring, lock
T-spring, Play lever

CS-880E,K
|
-
Cc
EXPLODED
VIEW-1
1
EE
oe 7 » 2
===
Zi,
je
UTI@3-14
sec
Yi
UT:@3-10
ie
é
Ze
2
8
Il
SF
nese
Le
S
1
a
i
a
UTI@3-14
QT2@3-10
AIWA

AIWA
MECHANICAL PARTS
Ref. No.
1-4
1-2
13
14
1-5
146
1-7
18
19
1-10
1-11
4-12
1-13
1-14
1-15 —
1-16
1-17
1-18
1-19
1-20
1-21
1-22
1-23
1-24
1-25
1-26
1-27
1-28
1-29
1-30a
1-30b
1-31a
1-31b
Part No.
09-01 7-850-01
82-587-001-01
82-587-234-01
82-587-007-01
82-587-036-01
82-587-009-01
82-587-010-01
82-587-028-01
82-563-032-01
82-587-003-01
82-587-221-01
82-587-239-01
87-321-097-21
82-587635-01
82-587-227-01
82-576-241-01
82-587-020-01
82-587-021-01
82-587-218-01
82-587-202-01
82-587-004-01
82-587-011-01
87-081-979-01
82-587-219-01
09-017-851-01
82-587-038-01
82-587-213-01
82-587-214-01
82-587-216-01
82-587-215-01
82-587-217-01
82-587-226-01
82-277-382-01
81-235-211-01
87-349-095-21
82-534-203-01
82-587-212-01
82-587-231-01
82-587-233-01
87-038-039-01
82-587-208-01
82-587-013-01
82-587-01401
82-587-01201
82-587-00501
82-587-237-01
82-587-247-01
82-587-017-01
82-563-014-01
82-587-023-01
82-587024-01
82-587-030-01
82-587-031-01
82-587-025-01
82-587-041-01
PARTS LIST
Description
Main case ass’y
Cabinet, Main
Damper A, Rubber
Panching
Badge
Side panel R
Side panel L.
Panel, Front
Cassette plate
Window, Dial
E-spring (tact)
P-spring, Tact A
QT, +3~-—12
Drone cone ass‘y
P-spring, Earth
E-spring, Earth
Tact push-key
Push-button
T-spring, Cassette lid
Cassette box
Window, Cassette
Decorative panel, Cassette
Decorative screw 3-12
P-spring, Cassette holder
Back cover ass‘y
Back cover ass’y
C-spring, Terminal A
C-spring, Terminal B
C-spring, Terminal C
Terminal plate U,
Terminai plate U,
Sheet, Faiber
Spring, Terminal
Terminal plate D
UT, +3-8
Click plate spring R
Shaft, Handle
Rubber bushing 6 x 10
Rubber bushing 7 x 10
Wire binder
Rubber bushing 3 x 5
Handle ‘L
Handle grip
Handle R
Battery room tid
M cushion 14x 35x5
M cushion 7 x 281 x7
Knob
Knob, TOGGLE
Knob, VOLUME {UP)
Knob, VOLUME (DOWN)
Name plate, Spec. (E model only)
Name plate, Spec. (K model only)
AC jack plate {E model only)
AC jack plate (K model only)
15
| CS-880E,K
a * mark in this part list shows exclusive part.
Common ot
Model s
*
oe aah ace ao
OA AF DA ewe ese we ano _—
— oe
--}- BP Ow ao oo RPP NRF KN A BaB aN Ben mon ooh -~ im aA ND
—

|
CS-880E,K
|
|
AIWA
EXPLODED VIEW-—2
ee
oe
a
ee
ee
r
ao ri@ssi0
-—16 Ad
Pa
22. Gre
1
ve
PC.B-D ,
(P
2 bz
Ee
fT.
VTI@3-10
ne

Part No.
Part No.
Ref. No. a Changed to Description
2-1 87043-058-01 Whip antenna
2-2 87033-16601 Antenna terminal
2-3 82-587-220-01 Terminal plate, Antenna
24 82-587-205-01 Rod, REC
2-5 82-588-209-01 Cushion 15 x 15 x 41
246 82-587-242-01 Sheet, Fiber A
2-7 82-587-211-01 Cushion, Battery
28 82-587-225-01 Rod 37.8
29 82-587-206-01 Rod 87.8
2-10 82-587-608-01 Shield, Front
2-11 82-587-238-01 Rubber cushion 10 x 25 x 14
2-12 82-587-201-01 Chassis
2-13 82-587-207-01 Holder, Dial plate
2-14 82-162-037-01 Push-button B,
2-15 82-588-634-01 Earth, REC
2-16 82-587-008-01 Dia! plate (Silver)
2-17 87-064-084-01 Holder, ECM 30
2-18 82-587-019-01 Push-key, REC mute
2-19 82-563-247-01 E-spring, Air-damp
2-20 87-096-045-01 String, Dial
2-21 87078-00301 Air-damp unit ass’y
2-22 82-587-240-01 LED reflector
2-23 82-587-22401 Holder, Switch
2-24 87-040-143-01 Counter
2-25 82-587-209-01 Rubber belt
2-26 82-587-203-01 Holder, Counter
2-27 82-587-037-01 Push-key, REC
2-28 82-587-018-01 Push-key, Tape recorder
2-29 82-588-20801 Rubber cushion 33-6-3
2-30 87-063-113-01 Cushion WA
2-31 82-587-049-01 Push-button, DSL
2-32 82-587-254-01 Rod 38.3
17
AD-R500
CS-770
| CS-880E,K
Re oe aS ae ew oe ow eo oa So yp a |=-HWwo Nf] 2-2 BF aN - BA NNN
—=_ oe

AIWA
cS-880E,K
EXPLODED VIEW-—3
al
W2.1-3.5-0.25
ec VIE Me ene
-0.25 _
a
N\
Goa—\
——\
ne
=
Tel
ial
i
o
y)
I
ay
-3.5
PWL.7
18

AIWA
Ref. No.
3-1
3-2
3-3
3-4
3-5
346
3-7
3-8
3-9
3-10
' 3-11
3-12
3-13
3-14
3-15
3-16
3-17
3-18
3-19
3-20
3-21
3-22
3-23
3-24
3-25
3-26
3-27
3-28
3-29
3-30
3-31
3-32
3-33
3-34
3-35
82-585-325-01
82-585-277-01
82-585-337-01
82-585-279-01
82-585-255-01
82-585-319-01
82-585-254-01
82-585-311-01
82-585-290-01
82-585-215-01
82-585-292-01
82-585-272-01
82-585-210-01
82-585-294-01
82-585-312-01
82-585-253-01
82-585-286-01
82-585-252-01
82-585-265-01
82-585-231-01
82-585-235-01
82-585-223-01
82-585-313-01
82-585-364-01
82-585-296-01
82-585-340-01
82-585-338-01
82-585-295-01
82-585-208-01
82-585-209-01
82-585-291-01
82-588-628-01
87-073-005-01
82-585-284-01
87-038-056-01
Part No.
Changed to
Description
Outsert chassis
Plate button, FR
Plate button, REC
Lever A, Eject
REC blocking lever
P-spring, Cassette pressure
Slide plate, Eject
E-spring, Lid lock
C-spring, Back tension
Supply reel platform ass’y
‘C-spring, Slip disk
Slip disk T
Take-up reel platform ass'y
T-spring, Center shift
E-spring, Brake R
Lever, Brake R
Rubber cushion, Brake
Lever, Brake L
REV tever
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Actuating chassis
Head base
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Shield plate
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Wire binder
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