Mitsubishi DA-6OR Service Manual
O
MITSUBTSHT
'I
AUtr,IO
SYSTEMSi
SERVICE
MANUAL
CD
RECEIVER
MODEL
DA-6OR
CONTENTS
WIRING
DIAGRAM
SCHEMATIC DIAGRAM
PRINTED
CIRCUIT
BOARDS
EXPLODED
VIEW
OF
CABINET
PARTS
LIST
(CABINET)
EXPLODED
VIEW
OF
MECHANISM
(TAPE
DECK).
PARTS
LIST
(TAPE
DECK
MECHANISM)
.
EXPLODED
VIEW
OF
MECHANISM
(CD)
PARTS LIST
(CD
MECHANISM)
PARTS
LIST . .
PACKING
INSTRUCTIONS
,
I
l--;l
t-
-l
- ,-'1"
n n
:-
1i-
--@
eo
tE.
o
o
tL
SPECIFICATIONS.
TO
SERVICE
PERSONNEL
.
. .
F
RONT
PANEL TERMINOLOGY
ANDFUNCTIONS....
FUNCTIONS
OF REMOTE CONTROL
UNIT
DISASSEMBLY
PROCEDURE
. .
TUNER
SECTION
ADJUSTMENTS.
. .
TAPE DECK
SECÏION
AOJUSTMENTS. . . . . .
.
CD
SECTION
ADJUSTMENTS . .
.
INTERNAL
DIAGRAMS AND
PINOUT OF INTEGRATED
CIRCUITS.
BLOCK DIAGRAM
2
3
4
D
11
14
17
't9
2',|
23
25
37
56
57
58
59
60
61
62
67
A
MlrsuBrsHr ELEcrRtc
coRPoRATtoN
À MITSUBISHI ELECTRIC
CORPORATION
HEAD OFFICE
MITSUBISHI DENKI BLDG MARUNOUCHI
TOKYO
lOO TELEX
J24532
CABLÊ MELCO TOKYO
DA.6OR
(EU}
Printed
in
Taiwan
SPECIFICATIONS
AMPLIFIER
SECTION
Min.
RMS
POWER OUTPUT
35
watts
per
channel,
min. RMS. both
channels
driven
into
I
ohms at 1
kHz with no moro than O.5 %
total
harmonic
distortion.
INPUT
SENSITIVITY
PHONO
VIDEO/AUX
GRAPHIC
EOUALIZER
63
Hz
25O
Hz
1 kHz
4
kHz
15
kHz
TUNER
SECTION
FREOUENCY
RANGES
FM
MW
LW
USABLE
SENSITIVITY
FM
MW
LW
SIGNAL-TO-NOISE
RATIO
FM
MW
STEREO
SEPARATION
FM
(1
kHz)
12dBf
(1
1
pV
-
75
ohms)
30O
pVlm
70O
rrV/m
78
dB
50
dB
35 dB
4
-tr
ack,
2,channel
stereo
4
75
cm/sec
11.7/8
ips)
Hard
permalloy
Hard
permalloy
Ferri te
DC 12V
t0
2%
Wpeak
3O
Hz
-
16000 Hz
30
Hz
-
I
7000 Hz
30
Hz - 18000
Hz
CASSETTE
DECK SECTION
TYPE
TAPE
SPCEO
HEAD MATERIAL
TAPE
1 PLAY
TAPE 2 REC/PLAY
TAPE 2 ERAS€
MOTOR
WOW
AND FLUTTEF
FREOUENCY RESPONSE
NORMAL
SPECIAL
METAL
(PLAYBACK)
SIGNAL.TO.NOIS€
RATIO
OOLBY NR
OUT
DOLBY NR
IN
58
dB
68 dB
CD
PLAYER SECTION
TYPE
COMPACT DISC 2
CHANNEL STEREO
PLAYEB
PICK UP 3.BEAM
TYPE
(MLP-7)
LOADING
DFAWE R
TYPE
GENERAL
2 5 mV/50k
ohms
'150
mV/5Ok
ohms
1'10
dB
t10
dB
110
dB
il0dB
i10
dB
87 50
-
1O8.00 MHz
(5O
kHz
step)
522
-
1620
rHz
(9
kHz
steP)
155 - 353
kHz
(9
kHz
step)
POWER
REOUIREMENTS
MEMORY BACKUP
POWER CONSUMPTION
OIMENSIONS(WxHxOl
WEIGHT
CARRIER
FREOUENCY
CONTROL
AREA
BATTERIES
oIMENSIONS(WxHxDl
ACCESSORTES
AC 22OV 50
Hz
(EU
only)
AC 240V 50
Hz
(UK
only)
DC 3V
("R6"
X 2)
120
W
35Ox2935x297mm
10
kg
38 kHz
A
least
7 n'{appro\
?4't distant
dl
:30
deg'eê
R03x2(AAAx2)
56 x
15 x
'140
mm
AM
loop
anlenna
AM loop
antenna
holder
T
shaÊped
FM
antenna
Batteries
(R03
x 2)
BEMOTE.CONTROL UNIT
TYPE
lî'f
rared
remote-control
unrl
-2-
PACKING
INSTRUCTIONS
(r1) rrvsrnucroN
BooKLET
(r)
nccrssonrrs
rT
FEEDER
ANT\
I
ANr
corl,
BL
I
I
HoLDER
ANr
I
I
BATTERY,
DRY
J
\coNr
eLocx
/
ll0lCUSHION
SET
(REAR
SIDE)
(i!
cusHroru ser
(FRoNT
SIDE)
SOFT
SHEET
!
19
PACK|NG
Box
When
Adiusting
Volume
V&
L€VEL
r-_tl_t
I
ll
t
When
the
volume
is
adjusted,
the Digiral Drsplay displays
the
new
volume
level
(0
-
99)
for
several
seconds
TUNING lndicrtor
This
indicator
illuminates
when
the
maximum
signal
strength of the tuned
station
is
reached.
PRESET/MEMORY
Buttonr
MEMORY:
Press
this button
(after
tuning in a desired sta-
tion)
followed
by
one
of
the
PRESET
burtons
(1
-
7l
to
place
a station
into
m€mory
1
-7:
The
settings of up to
7
LW,
MW
and
FM
stations
can
be
stored
in memory
These
PRESET
stations
may then
be
recalled
by
selecting
the
frequency
(LW,
MW
or
FM)
fot,
lowed
by
the desired PRESEI
(1
-
7)
For further
instruction on
presetting
of LW,
MW
and
FM
sta
rions
consulr
rhe
"PRESETTING
RADIO
STA'f
iON"
sefiion
of this
manuôl
FM MODE Selection
Switch
When
listening
to
an FM
broadcast,
ser
to the
"AUTO"
{
l)
position
to
receive
stereo broadcasls in stereo lf
the
sensitrvity
becomes
poor,
the reception will automatically
become
monaural In
places
where
the
sensitivity
rs
poor,
set to the
"MONO"
(^
) Oositron
Stereo
receDtion In
this
case is
not
possible,
but the amount of noise willdecrease,
improving the
sound Usually
leave
this sw|Îch
in
the
"AUTO"(l)position
TUNING Button
Press
this
button to
tune
in a radio
station
Press
on
the
right
side
(
>
UP ) to
increase
the
Trequency
and the
left
side
(DOWN
(
)
to
decrease
it
FM
STEREO
Indicator
This
indicator lights
when
receiving
an
FM
steieo
broadcast
The
indicalor will
not
light when
the
FM MODE
switch
is
in the
"|ONO"
{
^ ) position
or
when
the
sensrtivrty
is
ooor
FUNCTION
Solector Switches and
lndicators
Press
one
of
these
switches 1o
select the desired
program
source
The
indicator
shows
the
selected
function
Rccording Indicator
IRECI
This indicator
illuminates when
TAPE
2
is rn
rhe
recordrno
mode
POWER LEVEL lnd RECORD LEVEL
Indicators
Dispfay
the
output
level When
TAPE 2
is in thè recording
mode,
the
recording level is displayed
VOLUME
Control Button
When this
button is
pressed,
the
volume is changed
and the
level
(0
-
99)
is indicated on
the
digital display
for
several
seconds.
Press
the
right
side
(
> UP) to
increase
the
volume
or
the left side
(DOWN
()
to decrease
it
17.
SYNCHRO
Start
Switch
lf this
switch is set
to
the
"Ol\1" (.-
)
posrtion
,ryhen
re
cording
from
a Compact Disc, the CD
player
will
start as
soon ês the
R EC
butron
is
deoressed
24.
R.mote
Control
Sensor
(REMOTE
SENSORI
When
operating the
included remote
control uni1.
p61n1
1:
toward this sensor
TAPE
1 Câssotte Holdet
TAPE
1 rs
exclusively
for playback
TAPE
1
PAUSE
Button
TAPE
1
STOP/EJECT Bunon
TAPE 1 Fæt-forward
(FFl
Button
TAPE 1
Rewind
(REW)
Button
TAPE 1 PLAY
Bunon
TAPE
2 C.'3.fie Holdol
fAPE 2 can be
used
for
both
recordrng
and
playbôck
TAPÊ
2
PAUSE
Button
TAPE
2
STOP/EJECT
Burton
TAPE 2 Fast-forward
(FF)
Buron
TAPE 2 Bewind
IREW) Button
TAPE 2 PLAY
Button
TAPE 2 RECORO
Button
Headphonc
Jack
(PHONESI
DUBBING SPEED
Sclection
Switch
set
tnis
button to
the
"HlGH"
I
^
)
position
to
dub
from
TAPE 1
onto TAPE
2 at
double
the
normal
soeed
Dolby Noise R€duction
Swirch
{DOLAY NR}
TAPE
COUNTER
Counter
for
TAPE
2
Tap€
Countar
RESET Button
GRAPHIC EOUALIZER
Conrrots
These controls
are to
acijusr Îhe
lone oi
sound source To
increase
or decrease,
slidg
"uan
conlror
tO uos)de
or dolvn
sid e
BALANCE Control
Use
thrs
control to adjust
the bôlance
betlveer
tne
1e{t
anO
rronl
soeakers
29.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
30.
31.
8.
9.
10.
32.
33.
11.
34.
35.
36.
37.
13.
12.
14.
16.
38.
15.
-5-
DA.6OR
PARTS LIST
NOTE:
A
uno
oesrgnares components on the
Parts
list
that have special characteristics to
maintain
the
safe'
ty
performance
of this unit.
When
replacing
any
of these
parts,
be sure
to
use
only specified
parTs
Symbo
I
N0.
No.
TS
Par
Description Relna
r ks
Q207
Q208
Q209
Q2l
0
Q2l
1
Q2t2
Q21
3
Q2l
4
Q2l
5
Q2r7
Q2l
8
Q220
Q221
Q222
Q223
Q224
Q225
Q226
Q227
Q228
Q229
Q23r
Q2
32
A56
456
561
561
561
561
561
561
A56
456
As6
561
456
456
456
456
456
456
456
456
A56
456
A56
3-1815(GR)
(Y)
3-1 81
s
(cR)
(Y)
t-3422
(Y)
-
1 3ss
(Y) (0)
t-2236
(Y) (0)
-
e66
(Y)
(0)
t-2236
(Y) (0)
-
s66
(Y) (0)
3-181s(GR)(Y)
I
-RN2203
3-181s(GR)
(Y)
-
I 286
(H) (J)
(c)
3-RN1203
r-10rs(GR)(Y)
1-101s(GR)
(Y)
3-RN1
203
3-RNl
201
3-RNl
201
3-l8ls(GR)(Y)
3-RNl203
I
-RN2203
t3-RN1203
t3-RNl203
Électrical
2SC1
8t
5
(GR) (Y)
2SC1 8l 5
(GR) (Y)
2SC3422
(Y)
2sA I 3s9
(Y) (0)
2SC2236
(Y) (0)
2sAs66
(Y) (0)
2SC2236
(Y) (0)
2sAs66
(Y) (0)
2SCt
8l s
(cR) (Y)
RN2203
2scrsrs(GR)
(Y)
2sA1 286
(H) (J) (G)
RNr 203
2SA1or5(GR)
(Y)
2SAr
0t s
(GR) (Y)
RNr 203
RNr 20t
RNr20r
2SCr
81 s
(CR) (Y)
RNl203
RN2203
RNt
203
RNr203
M04A23303
|'l0442330
1
M04A23309
M04A23300
M04423300
M04A23302
M04A23302
M04A23300
M04A23369
M04A23300
l'l04423300
R278
R279
R280
R28r
R282
R2
83
L20t
VRIOI
VRIÛ2
VRI
O3
VRI O4
VRI O5
VRIO6
VRI t]T
x20 |
5r02-4R75116F
5l
02-4R751 I ôF
5102-4R75r
l6F
5r 02-4R75r
l 6F
5l 02-ôR851
I 7F
sr02-6R85lr7F
5923-70134
5l0t-103717r6
5r0l-104717t6
510r-104717t6
5r0r-473717r6
5r0r-1037r7r6
5r0r-47371716
5t0r-47471716
569r
-0086431
7
R-FUSE
4.7c]
R-FUSE
4.7O
R-FUSE
4.7()
R-FUSE
4.7()
R-FUSE
6.8Q
R-FUSE
6.8c)
osc
c0rL l0
VR SEMI lOKC)
VR
SEMI lOOKN
VR SEt'lI IOOKO
VR SEMI 47KO
VR
SEMI IOKO
VR SEMI 47KO
VR SE}i|I 47OKO
OSC
CRYSTAL
A
A
^
A
A
A
M'l1A23455
M0 4A2 3455
u01A23
455
M0442 34s5
M04A23
1 5ô
H04A2
3
{ 56
CD, SERVO
P.C.B
Sy|I|bo
I
NO
Parts
No
Descrrptron
Remarks
D i odes
D20 l
D202
0203
D204
0206
D207
D208
D20S
D2l 0
D2l1
D21 2
D2r3
021 4
D563r
-r
S2473
5633-SVC2r r SP
5635-RD2R7EB2
5631-1S1555
D563r
-rS2473
5635-RD7R5EB2
5635-RD5R6E82
5635-RD3R9EB2
5635-RD3R9EB2
563s-R05R6EB2
5635-RD5R6EB2
5635-RD3R9EB2
5635-R03R9EB2
1s2473
SVC2
I 1 SP
RDz 7EB2
r
st
555
1s2473
RD7. 5882
RD5
6EB2
RD3 9EB2
RD3.9EB2
RD5
-
6EB2
RDs.
6EB2
R03.9E82
R03.
9EB2
M04423320
M04A23325
M0
4A23 325
M04A23325
lCs
tcl0l
tcl02
tcl03
tct04
rc105
1c]10
I c201
tc202
1c203
I
c204
I C205
I
c206
I c207
I c209
5653-BA7 |
5
5653-NJM2043S
5653-BA7i5
5653-8A715
5653-STA45l
C
5852-r,tS218P
5654-Ylil3805
5654-CXK58l
6M
5652-|'{52 I
8P
5652-M52r
8P
5652-M521
8P
5654-Yl'130l
5
5653-
u
PC4570C
5653-
rr
PC4570C
BA7I5
NJM2043S
BATI
5
BA7I5
STA45 I C
M52
1 8P
YM3805
cxK58l
6M
hl52r
8P
|.|s2 1
8P
|/s2r
8P
YM30l
5
*
PC4570C
É
PC4570C
ll{07A0931
6
M0442331
2
M04A2331
3
M0442331
2
M04A2331
2
M04A2331
2
Transislors
Ql0l
Q102
Ql03
8104
Qr
05
0r
06
Ql07
Qr24
Q2
0l
Q202
Q203
Q2
04
Q205
0206
561 3-535
(C)
As6r 3- 1 8r
5
(GR) (BL)
As61 3-2878
(B)
A56t
l-l0ls(GR)
(BL)
A56l 3-2878
(B)
A56r 3-2878
(B)
A56l 3-2878
(8)
A56l 3-RNl
203
561 3-53s
(B)
As61 3-l 81
5(GR)
(V)
As6l3-l8ls(GR)
(Y)
As6r3-r8rs(GR)(Y)
As613-18ts(GR)
(Y)
As6r3-18r5(GR)
(Y)
2SCs3s
(C)
2scl
8l s
(GR) (BL)
2sc2878
(B)
2SAI
OI 5
(GR) (BL)
2SC2878
(B)
2SC2878
(B)
2SC2878
(B)
RNl203
2SC53s
(B)
2SC1
8l s
(GR)
(Y)
2SCr
8r s
(cR) (Y)
2scr
8r s
(GR) (Y)
2SCl8l5(GR)
(Y)
2SCr
81 s
(GR) (Y)
|'|04070303
M04207306
M04207306
M04207306
M04207306
M04A23300
M04070303
b
PARTS
LIST
(CD
MECHANISM)
Parts
lrlo.
0escription
,|
J
4
5
o
7
I
q
l0
ll
12
t3
t4
l5
tb
l7
l8
l9
20
?l
22
[{otor
(0isc)
l{otor
(Loadins/st
ide)
S.
L.
0utpur
Platter
Ass'y
Stabirizer
Flapper
Pinion
gear
Eush
Dr i
ve
gear
Carn
gear
Thrust
bearing
ldol
Pul
ley
Roller
C Pul
ley
P Pul
ley
Spring
Shaf
t
(L)
Shat
t
(S)
Steel
8at
|
(2.5)
Binding
head
T-Scres
3x8
Binding
head
T-Scres
2.6
x
5
Binding
head
T-Screy
?x5
l{ashe
r
3rnrn
Belt
Bl{
head
T-Screu
3
x
l2
M07A
I 9550
I{0741955t
)t014?3620
ilo
7A0
9655
,t01^23732
Ito4A23733
)t01A23731
1r07A09632
tr07409633
t{0
7A096
31
H0
7A0968
7
H07A0971
3
FUNCTIONS
OF
REMOTE
CONTROL
I..,NIT
2.
Signel
Transmitter
Transmission
Indicetor
This
indicator
lights when
a button
is
pressed
CD
Bunon
Eand
Seleetor
Butrons
(LW^,|W/FMI
PR€SET
CHANNEL
Selection
Buttons
(<
| >l
use
these
buttons
to recall
frequencies
stored
on
the
PRESET
buttons.
The
channel
number
increases
wnen
ttre
up
(
>
)
button
is
pressed
and
decreases
when
the
down
(
{ }
button
is
pressed.
CD Track
No.selection
Buttons
(t<<
RS
/FS >>t I
Press
this
button
to
select
the
CD,s
track
number.
When
the
right
side
(FS
>>l
)
is
pressed.
the
track
number
in-
creases. When
the
left
side
{
l<<
FS
)
is
pressed.
the num_
ber
is decreased.
Thê CD
will
then
start
playing
from
the
begjnn;ng
of
that
track.
CD
STOP
Burton
CD
PLAY
Button
VOLUME
Adiustmcnt
Burton
(
v
/ A )
3.
4.
5.
6.
7.
8.
9.
I
I
I
I
DISASSEMBLY
PROCEDURE
1.
Removing the Transportation
Fixing
Screws
(Fig.1)
1) Remove 4 screws
Otrorn
both left
and righthand
side.
'
(Fis.
1).
2. Removing the
Top
Cover
(Fig.1)
1 ) Remove 4 screws
()
f
rom
the bottom of both
left
and
righthand
side.
2)
Remove 2
screws
(g) fro-
the top of the
back
panel.
3)
Lift off the too
cover.
Fig. 1
3.
Removing
the CD
Mechanism Ass'y
lFig.2/31
1)
Remove screw (4 )
on the left side and
return the earth
wire
into
the
main body.
(Fig.
2)
2l
Draw back
the CD
mechanism ass'y
while lifting it up
Be
careful
because the
loading cassette
protrudes
at the
front.
(Fig.3)
3)
Remove
the 5
connectors connected
to the CD
P.C.B.
while
lifting
up the CD
mechanism
ass'y.
F
RONT
PANEL
Fi9.
3
4. Removing the Bottom
Plate
(Fig.4)
1)
Remove
8
screws
@
rtt.r the
CD
mechanism
ass'y
has been
removed.
Fis. 4
Removing
the
CD
P.C.B.
(Fig.
2)
Remove
2 screws
(@
CD
MECHANISN'
--ASS'Y
@
\o;=:
'\"
\o
o
oî-
r* {-}
' EI E
o^oo
t\
L___)
o
Ftg.2
EXPLODED
VIEW
OF
MECHANISM
(CD}
",-P
132'
75y--@
v
@/i
c+
PARTS
LIST
(TAPE
DECK
MECHANISM)
Parts
No.
Descriotion
I
2
3
4
5
6
7
I
I
t0
tl
t2
t3
l1
't5
t7
t8
t9
?0
22
25
26
27
28
2g
30
32
33
31
1ç
36
37
38
10
1l
t2
13
11
15
t6
17
18
52
53
5l
56
59
60
|
82r
-0t
-t
87
|
82t
-01
-l
3
LSA-
il t 5R
| 821
-03-2t
|
82t
-03-07
| 82t
-03-08
| 82t
-0t-301
| 82r
-01-l
0
|
82r
-07-328
r
82r
-07-03
l82t
-07 -21
| 82r
-09-30{
t82r-t0-st5
r82t-t0-31A
r82l-r0-70
t82l-r0-t6
l82t-10-309
t82t-10-319
t82r-t0-6s
1829-t0-t0
l82r-t2-138
llain
Base
Ass'y
Sui
tch
Plate
Push
Botton
Actuator
Rec
Button
Lever(TApE
Z)
Play
Button
Lever
Rey
Button
Lever
FF
Button
Leyer
Stop
Button
Lever
Pause
Eutton
Lever
Ass'y
Rew
Lever
Pause
Lever
Pause
Lever
Spring
Pause
Stopper
Button
Lever
Spr
inS(C)
Button
Lever
Sprins(D)
Button
Lever
Spring(A)
(TAPE
2)
Actuator
Spr inc
Auto
Lever
Auto
Lever
Spring
Leaf
Syi
tch
Head
Panel
Ass'y
Head
Base
Sensing
Plate
Ass'y
Head
Panel
Spring
Spring
Sprinc
(TAPE
2)
Pinch
Rot
ler
Ass'y
Pinch
Rol
ler
Spring
RF
Pulley
Arn
Ass'y
RF Pulley
Arm
Spring
RF
Eelt
RF Arm
Col
lar
Screw
Flyrheel
Ass'y
Reel
Base
Ass'y
Take
up
Gear
Plate
Ass'y
Take
up
Rol
ler
Gear
T.c.Ptate
Sprino
FF
Gear
Back
Tension
Spring
Supply
Reel
Ass'y
Take
up
Reel
Ass'y
Record
Safety
Lever
(TAPE
2)
Pack
Spring
Back Tension
Sprinc
(Supply
Reel)
Xotor
Eracket
totor
Rubber
llotor
Collar
Screw
llain
Bell
Eject
Sl ide
Lever
Eject
Sl
ide
Lever
Spring
lt()rA2l375
r01A2
|
763
lr0{A2l
761
r0{42
| 720
x01A23700
il(l442
| 650
t01A2l
767
Parls
llo.
DescriDtion
6l
Aî
64
65
67
68
7l
8l
82
83
87
r03
t04
t08
r09
il0
ill
I l3
l17
il9
120
t2l
EG
5()(lKD.28
RP73{2CR09t
0
E-
62 | Plt()23
|
9999-03-07
9875-00-00
9999-
00-
0 I
P.
ll.
E
Screw
Frane
Operat
i
on
Lever
Button
Leyer
Shatt
Sub
Chass
i s
Ass'
y
ll.
Tr
icaer
Arn
Ass'y
Record
Function
Arn(A)
Ass'y
(TApE
2)
Lotor
Ass'y
R,/P
Head
(TAPE
Z)
E-Head
FR
S*itch
Lever
C
Tapping
Scre*
ll?
x
3
P
Tapping
Bind
Screr
ll2x5
Aziruth
Screw
ll2
x 7
Screr
12
x
8
(IApE
2)
CaD
Screr
12
x l
Cap
Screr
12
x
S(TAPE
2)
Canera
Screy
12
x 7
P Tapping
Screr
t2
x
6
P
tasher
Cut
1.2
x
3 x
0.{
PHasher
Cut
1.55
x
3 x
0.1
P
lasher
Cut
2.05
x I
x
0.1
r0{A2
3550
I0{A2
t 78
|
6.
Removing
the Tuner P.C.B.
(Fig.
5/6)
t
l
Remove 5
screws
@.
(Fig.
S)
2) Remove
screw
(9).
(Fig.6)
7.
Removing
ûre Front Panel
(Fig.7161215l
1l Remove
the
power
switch
link.
(Fig.
7)
2)
Remove
the
speaker
terminal
and
battery
socket
on the
back.
Remove
2 screws
@.
tf
ig.
St
3) Remove
8 screws
@.
iÉ,nr.2,G)
The
front
panel
can
-
now
be removed.
The front P.C.B.,
cassette
p.C.B.
and
cassette
mechanism
ass'y
are removéd
together
with
the
front
panel.
POWER
S W LINK
Fig.7
8. Removing
the Front
P.C.B.
and
Gassette
p.C.B.
(Fig.
gl
1)
Remove
11
screws
@).
fne
front
p.C.B.
can now
tre
removed.
2) Remove
2 screws
@.
ffr"
cassette
p.C.B.
can
now be
removed.
F
RONT
PANE
L
FRONT
PANEL
Fig.
5
Fig.6
ililililililililililililililil11
11ilil1ilililililililililililil1
ililil1il1ililililililililililt1
:
ilililililiilililil1ilt11ililil1
@
ntnilmultttnntttl
'
^
il|ililil|--
-'l
"lllll_-___l'.
SPEAKER P
C B
POWERSWP.CB.
,l
CASSETTE P.C.B
-8
-
Fis.8
9. Removing
the
Cassette
Mechanism
Ass,y
(Fig.9)
1) Remove
4
screws
6à.
2)
Press
the STOP/ÈiECT
button
to
open
the cassetre
holder.
Lift up
the
cassette
mechanism
ass,y with
the
cassette holder
opened.
TAPE
I
can
be
removeo.
3)
Remove
4
screws
@.
feee
2
can be
removed
in
the
same way
as TAPE
I
Fis.
9
10. Removing
the Motors
and
Flywheels
(Both
TAPE
1
and
TAPE
2)(Fis.10)
1 ) Remove 2 motor
bracket f
ixing screws.
2)
The
main belt
can now
be removed
3) Remove 3 motor
bracket
fixing
screws.
The
motor
can
now
be removed.
4) Remove
the
flywheel.
Remove
the washer
and then the
flywheel.
The
RF belt can
also
be
removed
at this
time.
MAIN
MOTOR
I
FLYWHEEL
11.
Removing
the Head
and
Pinch
Roller
(for
TAPE
l and
TAPE
2l
(Fig.11)
1)
Remove
the
bufton ass'y
by
removing
2
fixrng
screws
(9
2l
The
pinch
roller
can
now
be removed
by removing
the
fixing
screw
O.
3)
The erase head
(for
TAPE
2
only)
can be removed
by
removing 2 f ixing
screws
Qf
.
4)
The R/P_head
can be removed
by removing
2
fixing
screws
(p
When
replacing
the
R/P head,
always
carry
out a
head
azimuth
adjustment
and secure
the adlust-
ment
wilh a
screw locking
compound.
P
\C-
ÊO:
iÊ
e
BUTTO\
ASS Y
Fis.
11
RF BELT
MAIN
EELT
Fis.
10
I
pA-60R
I
EXPLODED
VIEW
OF
MECHANISM
(TAPE
DECK)
ilo
{,
ro8
\
I
"---@
&.@
ru)
J
35
L
g--eo
DfSC
TRAY
DA-6OR
SERVO
P
C-8
12.
Removal
of
Disc
Tray
Ass,y
1)
Remove
4
screws
Q)
.
Gig.
lzl
2l Pull
Disc
Tray
Ass,y
forward.
Then
pull
off
Disc
Tray
Ass'y
by
pressing
the
hooks
@
in
Fig.
13.
13.
Removal
of
Frapper
Pull
off
the
Frapper
by
pressing
the
hook
@
in
f
ig.
t+.
14.
Removing
the
SERVO
p.G.B.
Remove
4
screws
éD
lFig.
121
and
then
remove
the
SERVO
P.C.B.
V
Fig.
14
15.
Removal
of
pick-up
Remove
3
screws
@
(Fig.
ls)
and
then
remove
the
Pick-up.
Fis.
ts
Fis.
12
Fig.
13
PARTS
LIST
(CABINET}
DescriPtion
Parts
No.
t|04A23500
M04
423501
M04AZ
I 480
M04424
4
90
}t04A2449
I
ToP
Cover
Poner
Trans
(EU)
Poter
Trans
(UK)
Chassis
(CD)
Holder
Bat
terY
Case
Speaker
Terninal
Cabinet
Back
Holder
AC
Cord
(EU)
AC
Cord
(UK)
Ter|ni
nal
Flapper
Spring
C0
llecha
Ass'Y
Lâser
Pick-uP
(llLP-7)
Li
fter
(R)
Li
fter
(L)
Disc
TraY
Ass'Y
Lid
Holder
Holder
P. C.
B
Ass'Y
Bush
i ns
Bush
i ns
Holder
Ho
I
der
Push
Button
(Poser
SII)
Shatt
(Pouer Sll)
Holder
P.
C.
B
Ass'Y
Cushion
Gum
Holder
Ho
I
der
P.C.B
Ass'Y
(CD)
P.
C.
B
Ass' Y
(Hai
n)
Heat
Sink
P.
C.
B
Ass'Y
(Tuner)
P.C.B
Àss'Y
(Control)
Felt
Push
Bution
(Function)
Holder
Lag
Te
rrn
i
na
I
Holder
P.C.B
Ass'Y
(Deck)
Botton
Cover
I 11
4-08s01
5584-10251
S
5584-70351
9
| 321
-F00202
421
l-157
{l
6l
-0s21
2
4l6l-16051
IILP
-
7
1
152-04203
l 662-223601
TB
2601
-F0l
3
|
662-24209
I
L
L
J
I
5
6
7
I
I
s
10
1l
IL
IJ
t1
l5
16
l7
18
19
2g
?l
??
23
21
25
26
27
?8
?9
30
3l
32
33
31
35
37
38
3S
10
Description
Parts
ltlo.
Foot
ilecha
Ass'Y
(TAPE-l)
ilecha
Ass'Y
(TAPE-2)
Ho
I der
Holder
Holder
Holder
Holder
Danpe
r
Push
BilGn
(PRE/tIETO/OPEN)
Front
Panel
Ass'Y
2
Knob
Sl
ide
Spring
Case
Lid
Ass'Y-2
Case
Lid
Ass'Y-l
Holder
Ho
I der
Holder
P.
C.
B
Àss'Y
P.
C. B
Ass'Y
Push
button
(
[IODE/
SYN/SPEED
/DOLBY
)
Push
Button
(BASS)
Counter
Bel
t
(counter)
Ho
I
der
Ho
I
der
Screu
TransPort
T-screv
3
x
6
Pan
Head
Screw
3
x
8
T-screu
3
x
6
T-screw
3
x
6
I-screw
3
x
6
Screy
1t2.5
x
{
$asher
ô3.5
x
l0
x
0'6
T-screw
3
x
I
T-screw
3
x
l0
Tasher
ô5'4
x
l0
x
l0
Screr
lt3
x
6
1-scres
I
x
Ê
I-screw
I
x
8
Screu
il3
x
14
Screw
t{3
x
l0
I 3t
9-F001
0l
2692-
1 3
r66tt{03
1612'12201
2651
-000021
6
1
5l
I
-05307
1
662-30601
3l
3l
-035020
2ô12-01
t5t
TUNER SECTION ADJUSTMENT
No.
Measured
Item
Input/Output
and Procedure
Point
of
Adjustment
Adlustment
for Remarks
1 AM
IF
Adjustment
"MW mode"
.
Set
the I F sweep
frequency
to 450 kHz.
.
Connect lF sweep's
OUT
terminal to
loop
antenna.
lF
sweeo's
lN terminal to R511.
T502 Adjust T502 so that wave-
form is
maximized and
symmetrical as
in
Frg
'l
6
See
Fig.
18
2
FM
IF
Adjustment
"FM mode"
(Coarsel
o
Set
the lF sweep
frequency
to
10.7
MHz.
o
Connect
lF sweep's
OUT
terminal to
R503.
lF
sweep's
lN terminal to R511.
T501 Adjust T501 so that wave-
form is maximized and
symmetrical
as
in
Fig
17
See Fig.
'19
3 FM VCO
Check
"FM
mode"
.
Connect
digital
voltmeter across
R557
.
Set
the
function
to the
FM
position.
the
reception
frequency to
87.5
MHz
and
check to
make
sure that
voltaqe
is 1.6
V.
o
Set
frequency to I 08
MHz
and check
to
make
sure that
voltage is 8 V
See
Fis 20
4 FM
IF
Adjustment
"FM mode"
(Fine)
o
Set the
FM signal
generator
to
98MHz
and connect
it
to
the FM antenna
terminal through
the 300S1 balanced
dummy.
(signal
level 1mV)
o
Set
the f unction to the
FM
oosition
and
the
reception
frequency
to
98MHz.
.
Connect the distortion meter to the
audio output.
T501
Adjust
so that the audio
output
in minimum
dis-
tortron.
See
F ig
a1
5 MW VCO
Adjustment
o
Connect digital
voltmeter
across R517.
.
Set
the function to the MW
position,
the reception
frequency
to 522kHz
(minimum
frequency).
1505
Adjust
L505
until voltage
becomes'l 41005V.
See
F ig
20
a
Set
the reception
frequency
to
1,620kH2 ( maximum
frequency).
TC502 Adjust fC502 until voltage
becomes
8.0
10.05V.
Repeatsteps
minimum and maximum
frequency two
or three times until both
adjust-
ment are at best level.
6
MW
Tracking
Adjustment
o
Radiate each of
the
tracking
point
frequencies
given
below
from
the
AM
test
loop
(signal
level 56dB/m).
.
Receive
each
of the
tracking
point
frequencies
given
below
by means
of
the key or
Tuning
Up/Down
Switch.
o
Connect
the AC
voltmeter to
the
audio output.
1504
TC501
Adjust so that the
output
is
maximized at each track-
Ing
pornt.
See
Fig
22
-
11
-
EXPLODED
VIEW
OF
CABINET
JP252
JP253
JPz51
JP255
JP258
JPz59
JP26()
JPz6
I
JPz62
JP2ô3
JP261
JP265
JP266
c2
cl
cl
cl
D?
D?
o?
D2
A6
D2
D2
c2
c3
c3
c3
D3
D3
DI
cl
c3
0{
01
E{
E1
E{
E{
DI
c5
c5
D5
D5
A2
83
B3
A1
B1
c1
8{
B{
B{
B5
A5
c5
c5
A6
BI
c5
c6
o2
c5
JP28(}
JP282
JPz83
JP289
JP3(l(]
JP30
I
JP3()2
JP3()3
JP3O1
JP3(}5
JP3(l6
JP3()7
JP3(}8
JP3()9
c2
E3
Ê3
rJ
E3
E3
DI
D1
D{
D1
D5
D5
D5
D6
D6
c6
c6
B2
c6
E5
E6
cl
83
c6
A3
AI
A{
A5
A5
A3
A3
B1
A2
A2
82
82
D2
DI
DI
E3
0{
B5
B5
g?
s2
D5
UD
LD
AE
D6
D5
E5
c6
c5
A3
A3
A1
A4
A3
A1
lA4
A1
Al
A4
A5
A5
A5
A5
A3
83
A3
A3
B3
83
81
81
B3
B{
c3
BI
B1
85
B1
85
BI
B5
B1
B5
n(
c1
c1
R283
R281
R285
R286
R288
R289
R290
R29
I
R292
R291
R2
95
R296
R29
7
RU 98
R300
R3()I
AI
AI
AI
BI
BI
A?
8l
8l
BI
BI
BI
BI
BI
cl
cl
cl
cl
DI
DI
DI
DI
DI
c1
B3
85
B5
B2
BZ
B2
B2
E3
E3
05
D5
E7
DI
E2
D2
D2
D5
E6
D6
D6
D6
E5
E5
D6
E3
A3
A2
AZ
E3
UL
E2
lPZ0l
TP2O?
TP2()
3
DA.6OR
Input/Output
and
procedure
MW
Tracking
Adjustment
*
Tracking
point
frequency
1,404
kïz
999
kHz
603
kHz
Repeat
adjustment
at
each
tracking
point
alternately.
LW
VCO
Adjustment
Adjust
L5O7
until
voltage
becomes
'1
.4
I
O.OSV.
See
Fig.
20
Set
the
reception
frequency
to
maxi-
mum
frequency.
Adjust
TCS04
until
voltage
becomes
8.0
t
0.0S
V.
Repeat
steps
minimum
and
maximum
frequency
two
or
ment
are
at
best
level.
three
times
until
both
adjust-
LW
Tracking
Adjustment
o
Radiate
each
of
the
tracking
point
frequencies
given
below
from
the
AM
rest
loop
(signal
level56dB/ml.
.
Receive
each
of
the
tracking
point
frequencies
given
below
by
means
of
the
key
or
Tuning
Up/Down
Switch.
o
Connect
the
AC
voltmerer
to
the
audio
output.
*
Tracking
point
frequency
344
kHz
254
kHz
164
kHz
_15-06_ |
eAiust
so
that
the
outpul
TC503
[
is
maximized
at
each
track-
See Fig.
22
Repeat
adjustment
at
each
tracking
point
alternately.
19kHz
leak
check
o
Input
a
98MHz
(lkHz
100%
modula_
tion
l
mV)
stereo
signal
to
the
FM
antenna
terminal
using
the
FM
signal
generator.
o
Receive
the
ggMHz
signal.
r
Turn
off
the
modulation
of
the
FM
signal
generator
(only
with
pilot
signal).
.
Connect
the
AC
voltmeter
to
AUDIO
OUT.
LPF50l
LPF5O2
Check
that
the
leakage
of
the
l9kHz
signal
from
both
Lch
and
Bch
is
less
than
SmV.
lf
it
is
not
less
than
SmV,
adjust
LFFSOI
and
LPF502
so
rhat
the
leakage
is
minimized.
See
Fig.
21
Fig.
I
I
I
t^
I
DA-l
Symbo
I
No
R308
R309
R3l0
R3l l
R3l
2
R3r3
KJ IJ
Zone
No
D2
1?
ct
BI
82
TP2()I
IP202
ïP203
t{t0l
rf
t02
x20
|
E4
E3
83
8l
02
c4
JPzI6
JP2I
I
JPzI
8
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No.
Measured
Item
Input/Output
and Procedure
Point
of
Adiustment
Adjustment
for
Remarks
6 MW
Tracking
Adjustment
Tracking
point
f
requency
1,404
kHz
999 kHz
603 kHz
Repeat
adjustment
at each
tracking point
alternately.
7
LW VCO
Adjustment
o
Connect
digital
voltmeter
across
RS29.
Set the
function
to the
LW
position,
the
reception
frequency
to
minimum
frequency.
a
L507
Adlust
L507
until
voltage
becomes
1.4
I
0.O5V.
See
Fig.20
o
Set
the
reception
frequency
to
maxi-
mum
frequency.
TC504
Adjust
TC504
until voltage
beçomes
8.01
0.05 V.
Repeat
steps
minimum
and
maximum
frequency
two or
three
times
until
both
adjust-
ment
are
at
best
level.
I
LW
Tracking
Adlustment
o
Radiate
each
of the
tracking
point
frequencies
given
below
from
the
AM
test
loop
(signal
levelS6dB/m).
o
Receive
each
of
the tracking
point
frequencies
given
below
by
means
of
the
key
or
Tuning
Up/Down
Switch.
.
Connect
the
AC
voltmeter
to the
audio
output.
*
Tracking point
frequency
344
kHz
254kHz
164
kHz
1506
TC503
Adjust
so that
the
output
is
maximized
at
each
track.
ing
point.
See
Fig.22
Repeat
adjustment
at
each
tracking
point
alternately.
9 l9kHz
leak
check
.
Input
a 98MHz
(lkHz
lO0%
modula-
tion
I
mV)
stereo
signal
to
the
FM
antenna
terminal
using
the
FM
signal
generator.
o
Receive
the
98MHz
signal.
o
Turn
off
the
modulation
of the
FM
signal generator (only
with
pilot
signal).
o
Connect
the
AC
voltmeter
to AUDIO
OUT.
LPF501
LPF5O2
Check
that
the leakage
of
the
l9kHz
signal
from
both
Lch
and
Rch
is less
than
SmV.
lf
it is
not
less than
5mV,
adjust
LFF501
and
LPF502
so
that
the
leakage
is
minimized.
See Fig.21
AM
ANTENNA
Fis.
20
Fig.21
Fis.22
Fig.
19
ADJUSTMENT
POINT
(TUNER
SECTION)
FM
FRONT
END
BALANCED
DUMMY
50o
---
300a
DISTORTION
METE
R
AC
VOLT
I\4ETER
65
lg
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-54 -
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