Sanyo Dc-MS5 User manual

SANYO
Service
Manual
Micro
CD
Hi-Fi
DC-MS5-
(xe)
System
(UK
)
edi
-
sta
PRODUCT
CODE
No.
Specifications
129 475
00
(UK)
129 475 01 (XE)
Note:
|
The
below
mentioned
specifications
are
mainly
based
on
the
IHF
measurements
standard.
They
can
therefore
not
directly
be
compared
with
specifications
based
on
the
DIN
standard
or
other
standards.
TUNER
SECTION
AMPLIFIER
SECTION
Reception
frequency
.
FM:
87.5
-
108.0
MHz
Output
power
.......
20
W
x
2
(at 4
ohms,
MW
:
522
-
1,611
kHz
10%
distortion
)
LW
:
144
-
288
kHz
Sound
preset
.......
Four
electronic
presets
CASSETTE
DECK
SECTION
INPUTS»
-224
how
ia
VIDEO
IN
:
400
mV/50k
ohms
Track
system
.......
4
track,
2-channel
stereo
Outputs
...........
SPEAKER
:
4
ohms
Frequency
response
..
50
Hz
-
14,500
Hz
(CrO2
type)
PHONES
:
8
-
32
ohms
50
Hz
-
13,500
Hz
(Normal
type)
Power
requirements
..
AC:
230
V,
50
Hz
Signal
to
noise
ratio
..
60
dB
(
Dolby
NR
ON
)
Power
consumption
..
75
W
Wow
&
Flutter
.....
%;:0.12
%
(WRMS)
Dimensions
(WxHxD)
.
Approx.
180
x
260
x
288
mm
Tape
speed
........
4.75
cm/sec
Weight
........-.--
Approx.
5.7
kg
Fast
forward
and
rewind
time
....
Approx.
110
sec.
(C-60)
SPEAKER
SYSTEMS
CD
PLAYER
SECTION
he
Typeset
sas
asre
2
way
bass
reflex
TY
D6)
Sec
daee
Meat
es
Changer,
3-disc
Unit
used
..........
Woofer:
10
cm
cone
type
Channels
......-5-.
2-channel
stereo
:
Tweeter
:
piezoelectric
Sampling
frequency
..
44.1
KHz
_
ue
Maximum
power-handling
capacity
40
W
(peak)
Pick-up
.......-000-
Optical
3-beam
semiconductor
laser
Nominal
impedance
..
4
ohms
Laser
output
........
0.6
mW
(Continuous
wave
max.)
Dimensions
(WxHxD)
.
Approx.
165
x
260
x
215
mm
Wave
length
........
*
790
nm
Weight
..........-.
Approx.
1.7
kg
(per
speaker)
Frequency
response
..
20
Hz
-
20,000
Hz
;
Wow
&
Flutter
......
Below
measurable
limits
=.
Specifications
subject
to
change
without
notice.
This
service
manual
consists
of
“DC-MS5U"(
main
unit
),
“RB-MS5”
(
remote
control
),
“SX-MS5”
(speaker
system).
~
REFERENCE
No.
SM580567

CONTENTS
SPECIFICATIONS
............-5
TOP
TUNER
ADJUSTMENTS
LASER
BEAM
SAFETY
PRECAUTIONS
.
1
EXPLODED
VIEW
......-..
ee
eaae
WHAT
TO
DOIF
...
1...
ee
eee
eee
eee
2
PARTS
LIST
......
2.22
eee eee
ees
REMOVAL
AND
INSTALLATION
.....-.
2
TEST
CABLES
.......
eee
eee
ene
CD
CHANGER
OPERATION
SCHEMATIC
DIAGRAM
DESCRIPTION
.......
eee
eee
eee
6
WIRING
DIAGRAM
CD MECHANISM ADJUSTMENTS ..... 9 IC BLOCK DIAGRAM &
CD
PLAYER
ADJUSTMENTS
.......
13
DESCRIPTION
..........
cece
eee
TAPE
DECK
ADJUSTMENTS
.......-
15
LCD
DESCRIPTION
AMPLIFIER ADJUSTMENTS ........ 17 IC & TRANSISTOR VOLTAGES
LASER BEAM SAFETY PRECAUTIONS
e Pick-up that emits a laser beam is used in this CD player.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS
OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED
HEREIN MAY RESULT IN HAZARDOUS
RADIATION EXPOSURE
LASER OUTPUT 0.6 mW Max. (CW)
WAVELENGTH 790 nm
CLASS 1 LASER PRODUCT
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
CAUTION ~ INVISIBLE LASER RADIATION WHEN OPEN AND
NTERLOCKS DEFEATED. AVOID EXFOSURE Ti GrAM.
ADVARSEL ~ USYNLIG LASER STRALING VED ABNING, NAR
SIKKERHEDSAFBRY DERE ER UDE AF FUNKTION, UNDGA UDS ATTELSE
FOR STRALING. Boece ae te we ee,
VARNING ~ OSYNLIG LASER STRALNING NAR DENNA DEL AR OPPNAD
OCH SPARR AR URKOPPLAD. STRALEN AR FARLIG.
VORSICHT ~ UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN
DECKEL GEOFFNET UND WENN SICHERHEITSVERRIEGELUNG
UBERBRUCKT IST. NICHT, DEM STRAHL AUSSETZEN.
VARO! Avattaessa ja suojalukitus ohitettaessa olet alttiina
ndkymattémalle lasersatellylle. Ala katso aleeseen.

ZO40
S O
Service
Manual
Micro
CD
Hi-Fi
DC-MS5
(xe)
System
(UK)
aati
ees
PRODUCT
CODE
No.
p
429
475
00
(UK)
129 475 01 (XE)
Note:
|The
below
mentioned
specifications
are
mainly
based
on
the
IHF
measurements
standard.
They
can
therefore
not
directly
be
compared
with
specifications
based
on
the
DIN
standard
or
other
standards.
TUNER
SECTION
AMPLIFIER
SECTION
Reception
frequency
.
FM:
87.5
-
108.0
MHz
Output
power
.......
20
W
x
2
(at
4
ohms,
MW
:
522
-
1,611
kHz
10%
distortion
)
LW
:
144
-
288
kHz
Sound
preset
.......
Four
electronic
presets
CASSETTE
DECK
SECTION
INPULS:
2
ees
eae
VIDEO
IN
:
400
mV/SO0k
ohms
Track
system
.......
4
track,
2-channel
stereo
Outputs
.....-..---
SPEAKER
:
4
ohms
Frequency
response
..
50
Hz
-
14,500
Hz
(CrO2
type)
PHONES
:
8
-
32
ohms
50
Hz
-
13,500
Hz
(Normal
type)
Power
requirements
..
AC
:
230
V,
50
Hz
Signal
to
noise
ratio
..
60
dB
(
Dolby
NR
ON
)
Power
consumption
..
75
W
Wow
&
Flutter
.....
*-0.12
%
(WRMS)
Dimensions
(WxHxD)
.
Approx.
180
x
260
x
288
mm
Tape
speed
........
4.75
cm/sec
Weight
.......-----
Approx.
5.7
kg
Fast
forward
and
rewind
time
....
Approx.
110
sec.
(C-60)
SPEAKER
SYSTEMS
CD.
PLAYER
SECTION
Type
.
2.
cece
eee eee
2
way
bass
refiex
Type
..
cece
eee
Changer,
3-disc
Unit
used
......-.--.
Woofer:
10
cm
cone
type
Channels
........--.
2-channel
stereo
Tweeter
:
piezoelectric
Sampling
frequency
..
44.1
kHz
Maximum
power-handling
capacity
40
W
(peak)
Pick-up
...-.2--00--
Optical
3-beam
semiconductor
laser
Nominal
impedance
..
4
ohms
Laser
output
.....--:
0.6
mW
(Continuous
wave
max.)
Dimensions
(WxHxD)
.
Approx.
165
x
260
x
215
mm
Wave
length
.....--.
790
nm
Weight
......---+--
Approx.
1.7
kg
(per
speaker)
Frequency
response
..
20
Hz
-
20,000
Hz
Wow
&
Flutter
......
Below
measurable
limits
—
Specifications
subject
to
change
without
notice.
This
service
manual
consists
of
“DC-MS5U"(
main
unit
),
“RB-MS5"
(remote
control
),
“SX-MS5”
(speaker
system)
.
REFERENCE No. SM580567
ROPE

CONTENTS
SPECIFICATIONS
..............
TOP
TUNER
ADJUSTMENTS
...........
18
LASER
BEAM
SAFETY
PRECAUTIONS
.
1
EXPLODED
VIEW
............--4-
19
WHAT
TODOAPF
sks
52e
ca
brand
Rowe
2
PARTS
{LIST
aiceraas
ene!
20
REMOVAL
AND
INSTALLATION
......
2
TEST
CABLES:
22.5
feces
eeks
27
CD
CHANGER
OPERATION
SCHEMATIC
DIAGRAM
............
34
DESCRIPTION
........--c000eeeee
6
WIRING
DIAGRAM
...............
36
CD MECHANISM
ADJUSTMENTS
..... 9
IC
BLOCK
DIAGRAM
&
CD PLAYER ADJUSTMENTS ....... 13 DESCRIPTION ...............00. 37
TAPE DECK ADJUSTMENTS ....... 15 LCD DESCRIPTION .............. 69
AMPLIFIER ADJUSTMENTS ........ 17 IC & TRANSISTOR VOLTAGES ..... 70
LASER BEAM SAFETY PRECAUTIONS
e@ Pick-up that emits a laser beam is used in this CD player.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS
OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED
HEREIN MAY RESULT IN HAZARDOUS
RADIATION EXPOSURE
LASER OUTPUT 0.6 mW Max. (CW)
WAVELENGTH 790 nm
CLASS 1 LASER PRODUCT
LUOQKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
[ CAUTION - INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. H
ADVARSEL ~ USYNLIG LASER STRALING VED ABNING, NAR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNOGA UDS ATTELSE
FOR STRALING.
VARNING - OSYNLIG LASER STRALNING NAR DENNA DEL AR OPPNAD
OCH SPARR AR URKOPPLAD. STRALEN AR FARLIG.
VORSICHT — UNSIGHTBARE LASERSTRAHLUNG TRITT AUS, WENN
DECKEL GEOFFNET UND WENN SICHERHEITSVERRIEGELUNG
UBERBRUCKT IST. NICHT, OEM STRAHL AUSSETZEN.
VAROI! Avattaessa ja suojalukitus ohitettaessa olet aittina |
nakymattémalle lasersdleilylle. Ala katso ateeseen.
-~1-

WHAT TO DO IF
If the operation of the unit or display is not normal,
or you wish to clear the contents of the memory.
te
[s)
REMOVAL AND INSTALLATION
Disconnect the power cord’s plug from the
electrical outlet.
. Press the RESET button for at least 30 seconds.
. Connect the power cord.
. Press the POWER button to turn the power on.
@ Disconnect the power cord’s plug from the electrical outlet.
e All wiring should be returned to the original position after work is completed.
e@ First have ready many the new FIXERS (614 129 2496) for replacement.
@ Arrange the lead wires so that they are not near the heat sink.
a.
CABINET
(1) Remove the 7 rear panel mounting screws. (@)
(2) Remove the 6 cabinet mounting screws. (@)

REMOVAL AND INSTALLATION
b.
c.
d.
CD BLOCK
(1) Remove the 2 CD mechanism mounting screws. (D)
(2) Remove the CD mechanism. (@)
FRONT PANEL & PRE-AMP.
P.W.BOARD
(1) Remove the front panel. (D)
(2) Remove the connector. (@)
POWER AMP. & SPEAKER TERMINAL
P.W.BOARD
(1) Remove the 5 heatsink mounting screws. (@)
(2) Remove the POWER AMP. P.W.Board mounting
screws. (@)
(3) Remove the connector. (@)

REMOVAL AND INSTALLATION
e.
TAPE
MECHANISM
f.
FRONT
P.W.BOARD
(1) Remove the 4 tape mechanism
mounting screws. (@)
(2) Open the cassette compartment lid. (@)
(3) Remove the mechanism.
g. WIRING LAYOUT
(b)
CD
MECHANISM
&
CD
P.W.BOARDS
(a) POWER TRANSFORMER
:@
Arrange
the
lead
wires
so
that
they
are
not
near
the
heat
sink
of
the
POWER
AMP.
P.CW.Board.
SPINDLE/SLED MOTOR PWB
CONNECTOR PW.B

REMOVAL AND INSTALLATION —H-_-—————-
h. CD CHANGER MECHANISM
(a) CHUCK BRACKET (503)
(1) Rotate the UP/DOWN CAM GEAR (602). (©)
(2) Remove the 3 CD changer mechanism mounting
screws. (@)
(3) Remove the chuck bracket. (@)
We oe CAM GEAR
(b) DISC STOPPER (572)

CD CHANGER OPERATION DESCRIPTION
e This set is capable of stocking and playing up to 3 CDs.
® While playing a CD, other discs can be replaced.
In this case, press the button for the disc No. you wish to remove, and then press the OPEN/CLOSE button.
@ When the ”"POWER?” button is turned off, the power turns off after the discs are loaded in the disc trays.
a. MOTOR & MECHANISM SWITCHES LAYOUT
LOAD/UNLOAD MOTOR
LOAD SWITCH(SW3)
PLAY SWITCH (SW4)
NK | ee . 4 /
SEM == as SPINDLE MOTOR
DISC
1
a
L<
SLED MOTOR
DISC 2
DISC 3 UP/DOWN MOTOR
SJ
CLOSE END SWITCH
OPEN/CLOSE RACK GEAR
OPEN/CLOSE IDLER GEAR
aes IDLER PULLEY
OPEN/CLOSE LEVER
TRAY GUIDE TRAY
qoser ir REDO oO
ir ——
CLOSE OPEN
(/) ~>X_|-— OPEN/CLOSE MOTOR
GEAR BLOCK BRACKET BELT
OPEN ENO SWITCH

CD CHANGER OPERATION DESCRIPTION
b. UP/DOWN FUNCTION ( DURING ”UP” )
(1) The rotation of the UP/DOWN MOTOR (624) rotates the UP/DOWN DRIVE GEAR (605) in the counter-clockwise direction.
(2) in connection with this, the TRAY HOLDER SLIDE (640) moves forward, and at the same time, the RIGHT SLIDE (575) is
moved backwards by the SYNCRO LEVER (632).
UP/DOWN CAM GER 1 (602)
UP/DOWN
DRIVE
GEAR?
UP/DOWN
IDLER
2
(609)
(605)
UP/DOWN
IDLER
1
(607)
UP/DOWN MOTOR (624)
UP/DOWN
ORIVE
GEAR
1
|
UP/DOWN
CAM
rae
1
UP/DOWN
602)
|
“8
-\
SI
oe
Tinie
VV
TET
lait
as
It—
UP/DOWN
IDLER
1
(607)
UP/DOWN
DRIVE
GEAR
2
UP/DOWN
IDLER
2
(609)
(606)
UP/DOWN
CAM
GEAR
2
(603)
Pag
ar
a
Sf
=
TRAY HOLDER
: (560)
a
UP/DOWN
DRIVE
GEAR
1
TRAY
HOLDER
SLIDE
XS
SYNCRO LEVER (632)
UP/ DOWN
DRIVE GEAR2
(603) ;