Sanyo DC-F430AV User manual

—
IFILE No.
Service Manual
1
..
.
Contents
Mini Component System DC”F430AV (AU)
Specifications ................................................................... 1
What to do if ..................................................................... 1
Laser beam safety precaution ..........................................2
Removal and installation ..................................................2
CD changer opration and description ..............................4
CD chenger replacement .................................................6
CD mechanism adjustments ............................................8
cCD pickup maintenance .................................................. 10
CD player adjustments ..................................................... 10
Tape deck adjustments .................................................... 12
Tuner adjustments ........................................................... 14
Exploded view
(Cabinet &Chassis) ...................................................... 15
(Tape mechanism) ........................................................24
(CD changer mechanism 1/2 )......................................25
(CD changer mechanism 2/2 )......................................27
(CD base mechanism) ..................................................28
Parts list
(Cabinet &Chassis) ...................................................... 16
(Tape mechanism) ........................................................23
(CD changer mechanism) .............................................26
(CD base mechanism) ..................................................28
PRODUCT CODE No.
12953005
IC block diagram ..............................................................29
FL display& description ...................................................38
Schematic diagram
(CD) ...............................................................................4l
(DEcK) ..........................................................................43
(FRONT) .......................................................................47
(TUNER) .......................................................................5l
(PRE AMPLIFIER) ........................................................55
(POWER AMPLIFIER) ..................................................57
Wiring diagram
(CD) ...............................................................................4O
(DEcK) ..........................................................................45
(FRONT) .......................................................................49
(TUNER &PRE AMPLIFIER) ........................................53
(POWER AMPLIFIER) ..................................................59
Wiring connection ............................................................61
IC &Transistor voltages ................................................... 62
——— ——— ——— ——— ——— ——— ——— ——— —
‘This service manual consists of “DC-F430AVU” (Main unit),
I1
~RB-F430AV” (Remote control), “SX-F430, SX-CE430, SX-SR430” (Speaker system)u
‘i- ——— ——— ——— ——— ——— ——— ——— ——— —
REFERENCE No. SM580918

SPECIFICATIONS
Amplifier section
Output power
Main amplifier ............... 40 Wx2(at 6ohms, 10% distortion)
Center amplifier ............ 40 W(at 8ohms, 10% distortion)
Surround amplifier ........ 20 Wx2(at 16 ohms, 10% distortion)
Inputs ............................... VIDEO /DVD IN: 400 mV /50k ohms
outputs ............................ FRONT SPEAKERS: 6ohms
CENTER SPEAKER: 8ohms
SURROUND SPEAKER :16 ohms
PHONES :8-32 ohms
SUB WOOFER: 10k ohms
Tuner section
Reception frequency ........ FM :87.5-108 MHz
AM :522-1710 kHz (9 kHz step)
520-1710 kHz (10 kHz step)
CD player section
Type ................................. Changer, 3-disc
Channels .......................... 2-channel stereo
Sampling frequency .........44.1 kHz
Pick-up ............................. Optical 3-beam
semiconductor laser
Frequency response ........20 Hz to 20 kHz
Wow and Flutter ............... Below measurable limits
Cassette deck section
Track system ................... 4-track, 2-channel stereo
Frequency response ........ 50 Hz -15 kHz (Cr02 tape)
50 Hz -14 kHz (Normal tape)
Signal to noise ratio .........60 dB (Dolby NR ON)
Wow and Flutter ............... 0.129’0 (WRMS)
Fast forward /
rewind time ............ Approx. 110 sec. (C-60)
General
Power requirements ......... AC 230-240 V, 50 Hz
Power consumption .........130 W
Dimensions (W xHxD) .. Approx. 270x 330x 333 mm
Weight .............................. Approx. 9.8 kg
Speaker systems
Front speaker system (SX-F430)
Type ....................................... 3way bass reflex
Drivers ................................... Woofer: 13 cm cone type
Mid range: 5cm cone type
Tweeter: piezoelectric
Maximum
Power-handling capacity .....80 W(peak)
Nominal impedance ...............6 ohms
Dimensions (W xHxD) ........ Approx. 210x 330x 240 mm
Weight .................................... Approx. 3.6 kg
Center speaker system (SX-CE430)
Type ....................................... Bass reflex
Unit used ................................ Full range, 10 cm cone type
Maximum
Power-handling capacity .....80 W(peak)
Nominal impedance ...............8 ohms
Dimensions (W xHxD) ........ Approx. 270x 130x 184 mm
Weight .................................... Approx. 1.4 kg
Surround speaker system (SX-SR430)
Type ....................................... Bass reflex
Unit used ................................ Full range, 10 cm cone type
Maximum
Power-handling capacity .....40 W(peak)
Nominal impedance ...............16 ohms
Dimensions (W xHxD) ........ Approx. 210x 130x 162 mm
Weight .................................... Approx. 0.9 kg (per speaker)
Specifications subject to change without notice.
To achieve the best sound performance, select music sourceswhich have
the ❑DI 00LDYwmouw]~ mark.
Manufactured under license from Dolby Laboratories Licensing
Corporation.
DOLBY, the double-D symbol ~and “PRO LOGIC are trademarks of
Dolby Laboratories Licensing Corporation.
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.
1.
2.
3.
4.
Disconnect the power cords 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.
%
RESET
-1-

—
LASER BEAM SAFETY PRECAUTION
●Pick-up that emits alaser beam is used in this CD player section.
ICAUTION-INVISIBLELASERRADIATIONWHENOPENAND 1
INTERLOCKSDEFEATED.AVOIDEXPOSURETO BEAM.
ADVARSEL-USYNLIGLASERSTRALINGVEDABNING,NAR
SIKKERHEDSAFBRYDEREERUDEAFFUNKTION,UND~ UDSH_TELSE
FORST~LING.
VARNING-OSYNLIGLASERSTl%d-NINGNARDENNADELAROPPNAD
(XH SPARRARURKOPPUD.STtiLEN ARFARLIG.
VORSICHT-UNSICHTBARELASERSTRAHLUNGTRITTAUS,WENN
DECKELGEOFFNETUNDWENNSICHERHEITSVERRIEGELUNG
UBERBRUCKT15T.NICHT,DEM5TRAHLAussETzEN.
VARO-AVATTAESSAJASUOJALUKITUSOHITETTAESSAOLETALTTIINA
NAKYMATTOMALLEIASERSATEILyLLE.ALAKATSOSATEE5EEN.
/f
‘L
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
>.
.,:.,
REMOVAL AND INSTALLATION —
●Pressthe POWFR button and check that the STANDBYLF~ Iiab
,, II
●Disconnect the power cord’s plug from the electrical outlet.
●All wiring should be returned to the original position after work is completed.
●First have ready may the new FIXERS(614 129 4971) for replacement..
●Arrange the lead wires so that they are not near the heat sink.
1. CABINET ASSY 2. CD MECHANISM BLOCK
L.
-2-

REMOVAL AND INSTALLATION
3. FRONT PANEL BLOCK
5. PRE AMPLIFIER& POWER P,W.BAORDS
7. TAPE MECHANISM BLOCK
/’
4. FRONT P.W.BOARD BLOCK
@
6. POWER TRANSFORMER
$)@
It?
(3
I
8. WIRING LAYOUT
POWER f?W.B
B
G
‘-
.-.”
-
FIXER -
-3-
-

CD CHANGER OPERATION AND DESCRIPTION
—
L
●This set is capable of stocking and playing up to 3CDs.
*While playing aCD, 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 discs trays.
1. MOTOR& MECHANISM SWITCHES LAYOUT ~LOAD/UNLOADMOTOR
UNLOADSWITCH(SW5J LOADSWITCH(SW3)
7,z25v ‘~’ SW’TCH(SW’)--------------. .
OPEIWCL
MOTOR
2. FUNCTION CLOSEENIJSWITCH
(1) OPEN/CLOSE OPEN/CLOSE RACK GEAR
1. The rotation of the OPEN/CLOSE MOTOR rotates the
[qgw
OPEN/CLOSE IDLER GEAR via the BELT and PULLEY, ‘_, ~—-
and the RACK GEAR which is intermeshed with the
OPEN/CLOSE IDLER GEAR moves forward during
“OPEN”, backwards during “CLOSE’. BELT
OPENEND
SWITCH
.The HOME POSITION is reached when the largest
square hole in the UP/DOWN CAM GEAR is between
the SENSORS. UP/ DOWNCAMGEAR1
2. Rotate the UP/DOWN CAM GEAR counter-clockwise m
‘u--
3.
(with OPEN/CLOSE during PLAY) or clockwise (with
u
W*
[.~~ o
normal OPEN/CLOSE), raise the GEAR-BLOCK
BRACKET, stop at the selected TRAY, hold the TRAY o
‘6”
GUIDE by means of the OPEN/CLOSE RACK and save
the other TRAY GUIDES.
The OPEN/CLOSE motor start running, the OPEN/ SENSORP.W.B
CLOSE RACK moves forward, the TRAY LOCK LEVER
is raised to lock the TRAY, and the OPEN operation
commences. GEARBLOCKE~CKET TRAYSLIOE
q
;!
J
~~
:-”
:., .,.
...”
/
.,-
...-
,.-
/
.y ,3—UP/00WN
CAhi
GEAR 2
UP/ 00WN
ORIVE GEAR 2
-4-

CD CHANGER OPERATION AND DESCRIPTION
4. When the TRAY closes and it reaches the tip of RIB part of LEFT TRAY GUIDE, the LOCK LEVER is lowered to release the
TRAY, and loading proceeds. TRAYGUIOEHOLDER
LOCKLEVER OPEN~CLOSE
/RiB /
TRAY LOCK TRAYRELEASE
(2) LOADING
1. The rotation of the LOAD/UNLOAD MOTOR rotates the LOAD/UNLOAD DRIVE GEAR in the clockwise direction.
2. The DRIVE GEAR and the gear portion of the TRAY mesh together and the TRAY movers backward.
3. The completion of TRAY movement causes the UP/DOWN MOTOR to operate and lower the TRAY HOLDER putting the unit to
chucking
TRAY
status.
4. The rotation of the UP/DOWN MOTOR rotates the UP/
DOWN GEAR in the counter-clockwise direction. In
connection with this, the TRAY HOLDER SLIDE moves
forward, and at the same time, the RIGHT SLIDE is moved
backwards by the SYNCHRO LEVER.
LEFT
RIGHTSLIDEBRACKET ‘
R
2V
LLOAO/UNLOAODRIVE GEAR
,..-“1
SYNCROLEVER
UPIOOWN CAM GEAR 1
I
UP/OOWN IOLER 2
UPIOOWN ORIVE GEA? 1/UP/OOWNIOLERl
&iKim’\./ IUPIOOWN MOTOR
UPICOWN
ORIVE GE
\i
UP/DOWN IOLER 1
UPIOOWN ORIVE GEAR 2\\UPiDOWN IOLER2w
UPICK3WNCAM GEAR 2
-5-

CD CHANGER REPLACEMENT
1. LOAD/UNLOAD FUNCTION
1.Remove the BTOP ENCOURAGE.
2. Remove the CD MECHANISM.
2. HOW TO REMOVE THE TRAYS
1.Remove the CHUCK BRACKET.(O -~)
ER
RAGE
2. Rotate the UP/DOWN CAM GEAR and position the collar 3. Remove the three TRAYS through the gap at the back.
part of the TRAY HOLDER visible from the RIGHT SLIDE TRAYASSY
at the midpoint between the CHUCKING and TRAY.
RIGHT SIDE
DISCSTOPPER 8RA~KET
kti
1“ RIGHTSLIDE
10
uo
CENTER
i
/
3. REPLACING THE TRAY GUIDE
●Have the LEFT TRAY GUIDE HOLDER and TRAY GUIDE ready before proceeding.
1. Turn the UP/DOWN CAM GEAR and remove the setscrew of the TRAY HOLDER from the hole in the GEAR BLOCK BRACKET.
2. Turn the UP/DOWN CAM GEAR counter-clockwise as far as it will go, and remove the SCREWS.
3.
4.
Remove the five set screws of the LEFT TRAY GUIDE
HOLDER, and remove it in the direction of the arrow.
When assembling the parts, align the TRAY SLIDE and UP/
DOWN DRIVE GEAR.
-6-
R
UPIOOWN
MARK DRIVEGEAR
\
TRAYSLIDE ‘----U
HI@

CD CHANGER REPLACEMENT
4. LEFT SLIDE BRACKET 5. UP/DOWN CAM GEAR
6. LOADAJNLOADGEAR
9
r___ _—— ——— ——— —
Note: 1
IEM-50L .................... MOLYKOTE, EM-50L I
I
,SG-7 I
........................ SAN GREASE. SG-7 ,
1.
8. TRAY HOLDER 2.
1G474B .................... FLOILOIL. G474B I
L——— ——— ——— ——— — J
7. SETTING UP THE LOADAJNLOAD GEAR
dl -\LOAD/UNLOADCAM GEAR
K/-- LOACUUNLOADMOTOR
2LT
f- Lo/JJIJNL(JAD IDLI=R 1
~j~ l! LoAD/uNLoADlDLER2
‘LOAD/UNLOAD DRIVE GEAR
SETTING UP THE TRAY SLIDE& UP/DOWN DRIVE GEAR 2
3
●
.
Slide the TRAY SLIDE forward until it goes no further.
Align the round mark on the UP/DOWN DRIVE GEAR 2. d
with the mark area on the TRAY SLIDE, and install.
Align the shorter flat part of the UP/DOWN CAM GEAR 2,
and install.
Set the parts in such away that the round marks on the two
GEARS are horizontal.
UP/DOWN DRIVE GEA
WN CAM GEAR 2u
LONG
-7-

CD CHANGER REPLACEMENT
—10. SEITING UP THE TRAY HOLDER AND UP/DOWN DRIVE GEAR UP/OOWN DRIVE GEAR 1
%
/
,7
1. Loosen and install the SET SCREW of the SENSOR P.W.B. .— .—
2. Slide the TRAY HOLDER SLIDE forward until it goes no L. -’\
further.
3. Align the round mark on the UP/DOWN DRIVE GEAR 1with ..
the mark area on the TRAY HOLDER SLIDE, and install. UP/OOWNCAMGEAR2
4. Secure the screw. ●Set the parts in such away that the round marks on the two
5. As shown in the figure, place the UP/DOWN DRIVE GEAR 2GEARS are horizontal.
rfi
❑
and UP/DOWN CAM GEAR 2in such away that they are
horizontal. QF
6. Align with the triangular mark through the hole through which o
L
the UP/DOWN CAM GEAR 2teeth are visible.
7. Secure the SCREW of the SENSOR and GEAR.
10
MARK
MARK
\“--o
/
GEAR BLOCK DRIVE SLIDE
\\
11. UP/DOWN MOTOR
UP/OOWN MOTOR ASSY— md’10.5mm
7
(614 287 0440)
CD MECHANISM ADJUSTMENTS
1. WIRING OF THE CD MECHANISM
t.K3TOR hLIMIT SW P.W.B
LuG
n
L
.uG
sI%+$h
U~Pil&{N L1
o
SENSOR
II -... “
2. MOTOR REPLACEMENT AND LUBRICATION
SLED
MOTOR ,
SPINDLE
MOTOR
Ii-’u””-
J
+PLUS MARK +PLUS MARK
.—— — ———— ——.
‘Note
IEM-50L ........... MOLYKOTE, EM-50L
!~i;;B ...........oSAN GREASE, SG-7
........... FLOIL OIL, G-474B
-8-
6= !ljJ
+
1,/
SPINOLEMOTOR ~G:~;jS t
SLEDRETARDGEAR 1< v
SLEDRETARDGEAR2
%
t4J ~~ —PICK RACKGEAR
-1
%
SLED GEAR &a
GREASE Ai
G-474’
SLED MOTOR “ -““
a
oMOTOR &LIMIT SW P.W.B
o

CD MECHANISM ADJUSTMENTS
3. CD MECHANISM AB;C#L BOND
(1) Replacement of the spindle motor .,:%~w
+R
cFirst, prepare thenewturntable andnewspecial washer for
replacement. The removed turntable will be deformed by BOND ~
the heat of the soldering iron, and cannot be reused.
B
2mm
●Prepare dial-type calipers. WASHE “IABOUT
1. The attached bonding material can be dissolved by using a--f-Smm
60 Wsoldering iron to heat the shaft the upper part of the
turntable for about one minute.
2. The turntable can then be removed from the shaft by very
carefully applying force upward at the center of the lower
3.
4.
5.
6.
7.
8.
surface of the turntable.
Remove the two screws and remove the spindle motor.
Attach the special washer top the spindle motor.
Clean the spindle motor’s shaft. To clean them, use asoft $W
II
oII
x
?!5’
7.5 *1).lmm
T34.9 iO.lmm
1
cloth soaked in isopropyl alcohol. !’
a
—TURNTABLE
Apply asmall amount of amixture of the “Three bond
2001” and “2015F” bonding materials to the motor’s shaft. Igi@
Install the turntable as shown in the figure.
Secure the turntable by pressing gently. Be sure to wipe
away (by using apiece’ of cloth, or similar material) any
bonding material coming out of the hole.
(2) Replacing the pick-up
1. insert the pick-up rail into the base chassis.
2. If the rack of the base chassis are missing when the pick-up
rail have been installed, first wipe the tips of the rail with
,,
SHAFT
I
WASHER “,
SPINDLE MOTOR
alcohol.
3. After the pick-up has been replaced, apply grease (FLOIL
%
“
SLED MOTOR :“““ “A“ %
G-4746) to the ~sections. -1
\iA
*
4. The pick-up P.W.Board pattern is “shorted”, as shown in
the figure, so that the new pick-up will not be susceptible to QPICKUP RACK GEAR
the effects of static.
5. Set the pattern to “open” after the
replaced. —
-
pick-up has been
(BE SURE AT THIS TfME, NOT TO TOUCH ANY OIHER PART.)
I
I@l @I
ja~+az
@- @-
(SHORT) (OPEN)
-9-