Sanyo DC-D9 User manual

~. Notice
El CORRECTION ❑
vPRODUCTION CHANGE
❑SERVICE FLASH ❑ADD INFORMATION
n❑
Please add this notice to the Service Manual listed below.
IFILE NO. I
Category :Mini Component System Date :JuIv. 1996
Model :DC-D9
Destination :&Reference No. :SM580501 Issue Number :~
,. Prod. Cord :129 472 04
CONTENTS
1. CD CHANGER OPERATION DESCRIPTION .1
2. CD CHANGER REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . :::. 5
3. CD MECHANISM ADJUSTMENTS. .............................. 10
4. EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :. . . . . . . . . . . . 12
5. CD CHANGER MECHANISM PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . 13
Since there are two type of DC-D9, which are used in different CD changer mechanism,
before servicing, please be sure which type of DC-D9 you will repair.
You can find the proper type of it by confirming the serial number.
TYPE
SERIAL NO. L‘eria’NO L‘eria’NO
Serial No.
~zl’”” ‘ark @&zIY’N” ‘ark
CD MECHANISM PM-cDcH3/sH PM-CD96CHNl/SH
SERVICE MANUAL SM580501 SM580501
AND SM580501-04 SM580501-05
(NOTICE) (SERVICE FLASH) (PRODUCTION CHANGE NOTICE)
REFERENCE No. SM580501-05

CD CHANGER OPERATION DESCRIPTION
●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 disc trays.
a. MOTOR &MECHANISM SWITCHES LAYOUT
CLOSE SW1TCH(SW2)
(522)
@Fro/i\
?%SW’TCH(SW’2 x z
b.
(1)
.,’
OPEN/CLOSE
“’*$fa~<~?Kk)
MOTOR (538)
,..,
. . . . . . .
.. .. . ,.. :. ...
FUNCTION
OPEN/CLOSE
(a) The rotation of the OPEN/CLOSE MOTOR rotates the
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”.
CLOSE END SWITCH (522)
I
OPEN /CLOSE RACK GEAR OPEN/CLOSE IDLER GEAR (520)
(513) OPEN /CU3SE IDLER PULLEY (519)
—.— .—. —-
CLOSE OPEN
OPEN/ CLOSE MOTOR (538)
GEAR BLOCK BRACKET
(525) OPE~ END SWITCH

CD CHANGER OPERATION DESCRIPTION ... ,
..... .
.The HOME POSITION is reached when the largest
square hole in the UP/DOWN CAM GEAR (602) is
between the SENSORS.
(b) Rotate the UP/DOWN CAM GEAR (602) counterclockwise
(with OPEN/CLOSE during PLAY) or clockwise
(with normal OPEN/CLOSE), raise the GEAR-BLOCK
BRACKET, stop at the selected TRAY, hold the
TRAY GUIDE by means of the OPEF.UCLOSE RACK
and save the other TRAY GUIDES.
(c) The OPEN/CLOSE motor starts running, the
OPEN/CLOSE RACK moves foward, the TRAY LOCK
LEVER is raised to lock the TRAY, and the OPEN
operation commences. –A
GEAR-BLOCK
BRACKET (525) / / A
UP/DOWN CAM GEAR 1(602)
1J
SENSOR P.W.B(651)
U’n’ ‘--i’ “’-“’”27 I /
dJ—UP/DOWN
=’-..- .-1.... CAM GEAR 2(603)
-2-

CD CHANGER OPERATION DESCRIPTION
(d) When the TRAY closes and it reaches the tip of the RIB
part of the LEFT TRAY GUIDE (589), the LOCK LEVER
is lowered to release the TRAY, and loading proceeds.
TRAY GUIDE HOLDER (586)
,,,,/+-;+ 1
TRAY LOCK RIB TRAY RELEASE
(2) LOADING
(a) The rotation of the LOAD/UNLOAD MOTOR
rotates the LOAD/UNLOAD DRIVE GEAR (552) in the
clockwise direction.
(b) The DRIVE GEAR and the gear portion of the TRAY mesh
together and the TRAY movers backwards. LOAD/UNLOAD DRIVE GEAR
..
(c) The completion of TRAY movement causes the UP/DOWN v
MOTOR to operate and lower the TRAY HOLDER (560),
putting the unit to chucking stayus.
20

:’, CD CHANGER OPERATION DESCRIPTION
(d) The rotation of the UP/DOWN MOTOR (624) rotates the UP/DOWN DRIVE GEAR (605) in the counter-clockwise direction.
In connection with this, the TRAY HOLDER SLIDE (540) moves forward, and at the same time, the RIGHT SLIDE (575)
is moved backwards by the SYNCRO LEVER (632).
/- -1
...
624
24)
7)
RIGHT SLIDE BRACKET(573) w
–4-

CD CHANGER REPLACEMENT
a. LOAD/UNLOAD FUNCTION
(1) Remove the BTOP ENCOURAGE.
(2) Remove the CD MECHANISM.
b. HOW TO REMOVE THE TRAYS
(1) Remove the CHUCK BRACKET.
TRAY HOLOER
<%
B-TOP ENCOURAGE
CHUCU BRACKET 0
\
Y
\
\Q .‘> ,
4
==%’
‘? ii
CD MECHANISM
(2) Rotate the UP/DOWN CAM GEAR (602) and position the (3) Remove the three TRAYS through the gap at the back.
collar part of the TRAY HOLDER visible from the RIGHT
SLIDE at the midpoint between the CHUCKING and TRAY 3. TRAY ASS’Y
(585)
R#;li;DE
DISC STOPPER
(572) (573)
r---1 1
-5-
.....
.. . .
. . ...

CD CHANGER REPLACEMENT
c. REPLACING THE TRAY GUIDE a, ~
●Have the LEFT TRAY GUIDE HOLDER and TRAY GUIDE *--
ready before proceeding. @
(1) Turn the UP/DOWN CAM GEAR (602) and remove the
~~
o
setscrew of the TRAY HOLDER from the hole in the GEAR
BLOCK BRACKET.
(2) Turn the UP/DOWN CAM GEAR (602) counterclockwise as far
as it will go, and remove the SCREWS (533 x2, 639, 641).
(3) Remove the five setscrews of the LEFT TRAY GUIDE
HOLDER, and remove it in the direction of the arrow.
(4) When assembling the parts, align the TRAY SLIDE (640)
and UP/DOWN DRIVE GEAR (606).
UP/DOWN
GEAR (606)
MARK
TRAY SLIDE
(640) \
HI Q
‘- -06
-6-

CD
d.
CHANGER REPLACEMENT
A_
................
LEFT SIDE BRACKET ;.------.; OF THE LUBRICATION
.........................................................................
:Note:
~EM-50L . . . . . . . . . . . . . MOLYKOTE, EM-50L :
:SG-7 . . . . . . . . . . . . . . . SAN GREASE, SG-7 :
OIL OIL, G-474B ;
............................
e. UP/DOWN CAM GEAR f. LOAD/lJt4LOAD GEAR
ff?
SG-7

CD CHANGER REPLACEMENT
g. SETTINGUPTHELOAD/UNLOAD GEAR h. TRAY HOLDER
dl >L0ADIuNL0A13 CAM f3EAR (554)
II ARibJ\ ~LOAD/UNLOAD MOTOR
–5N#,< , , —
y/- LLOAD/IJNLOAD lDLER 1
LOAD/UNLOAD 1DLER2 (565)
~LOAD/UNLOADDR]VE GEAR (552)
i.
(1)
(2)
(3)
(564)
SETTING UPTHE TRAYSLIDEAND UP/DOWNDRIVEGEAR {603)
Slide the TRAY SLIDE forward until itgoes nofurther.
Align the round mark on the UP/DOWN DRIVE GEAR
with themark area onthe TRAY SLIDE, and install.
Align the shorter flat part of the UP/DOWN CAM GEAR
(603), and install.
●Set the parts in such away that the round marks LONG
on the two GEARS (606, 603) are horizontal.

CD CHANGER REPLACEMENT
j.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
SETTING UP THE TRAY HOLDER AND UP/DOWN DRIVE GEAR (605)
Loosen and install the SET SCREW of the SENSOR P.W.B.
Slide the TRAY HOLDER SLIDE forward until it goes no further. 605
Align the round mark on the UP/DOWN GEAR (605) with
the mark area on the TRAY HOLDER SLIDE, and install.
Secure the screw.
As shown in the figure, place the UP/DOWN DRIVE GEAR (603) and
UP/DOWN CAM GEAR (605) in such away that they are horizontal. Y&
.,
Align with the triangular mark through the hole through 603 ‘
which the LJP/DOWN CAM GEAR teeth are visible. .Set the parts in such away that the round marks
Secure the SCREW of the SENSOR and GEAR. on the two GEARS (606, 603) are horizontal.
IM$RK
MARK
\
lo
●..- 0
/
GEAR BLOCK DRIVE SLIDE
DRIVE GEAR 2(606)
k. TRAY HOLDER SLIDE
...........- ...........................................................................................
;There are two types UP/DOWN MOTOR (624) which have been used. ;
;These UP/DOWN MOTOR (624) can be used not interchangeably.
!Use the following procedure in accordance with which type of
iUP/DOWN MOTOR (624) and chassis (618) you will replace.
;Please be sure which type of motor you have before serving.
......................................................................................................4
TYPE
CHASSIS (618)
MARK
UP/DOWN
MOTOR ASSY
(624)
(PART No.)
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(614 268 2890) I(614 287 0440)
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