Metal cover
Removing the metal cover
(See Fig.1 to 3)
1. Remove the six screws A attaching the metal cover
on the back of the body.
A A
2. Remove the two screws B on both sides of the body.
3. Remove the metal cover from the body while lifting
up the rear part of the cover.
Fig.1
Metal cover
B
Fig.2
Metal cover
B
Fig.3
1-5
MX-J200
Removing the CD changer mechanism CD changer mechanism assembly
assembly (See Fig.4 to 7)
Prior to performing the following procedures, remove
the metal cover.
1. Remove the two screws C attaching the CD changer Main board
mechanism assembly on the top of the body. CN303
2. Disconnect the card wire from connector CN303 on
top of the main board.
3. Rlease the harness from the clamp on the lower part
of the CD changer mechanism assembly.
4. Remove the plastic rivet a fixing the main board to
the front assembly on the left side of the body.
5. Remove the two screws D from the rear panel.
Fig.4
C
6. Detach backward the front part of the CD changer
mechanism assembly while pulling the front panel
CD changer mechanism assembly
assembly and the rear panel outward, then pull out Rear panel
the upward the rear part of the CD changer
mechanism assembly.
Plastic rivet a
CN303
Front panel
Main board
Fig.5
CD changer mechanism assembly
Rear panel
D
Front panel assembly
Rear panel
Pull outward
Pull outward
Main board
Fig.7 Fig.6
1-6
MX-J200
Removing the front panel assembly Front panel assembly
(See Fig.8 to 13)
Main board
Prior to performing the following procedures, remove
the metal cover and the CD changer mechanism
assembly.
1. Disconnect the card wires from connector CN301,
CN304, CN305 and the harness from CN302 on the
inside of the main board.
2. Remove the screw E' attaching the earth wire.
3. Turn over the body and remove the two screws E.
4. Release the joint b on the bottom and the joint c and Fig.8
d on both sides of the body using a screwdriver, and
detach the front panel assembly toward the front.
Main board
CN301
CN304
CN305
CN302
E'
Eath wire
Fig.11
CN901A,CN901B
Fig.9
Joint c Front panel assembly
Fig.12 Joint b
(Bottom)
Front panel assembly
E
Front panel assembly Joint d
Fig.13 Fig.10
1-7
MX-J200
Removing the heat sink cover and the Rear panel
rear panel (See Fig.14 to 17)
Prior to performing the following procedures, remove
the metal cover and the CD changer mechanism
assembly.
It is not necessary to remove the front panel
assembly.
1. Remove the two screws F and the rear cover on the
back of the body. F F
2. Remove the four screws G and the six screws H
attaching the main board and the heat sink to the
rear panel.
3. Remove the screw I attaching the rear panel to the
chassis base.
Rear cover
4. Release the lower two joints e and f on both sides of Fig.14
the rear panel using a screwdriver and detach the
rear panel backwards.
Rear panel
G (To Earth bracket)
H
G
G
H
I
Fig.15
Rear panel Joint e
Joint f Rear panel
Fig.17 Fig.16
1-8
MX-J200
Removing the main board Main board
CN301
(See Fig.18 and 19)
CN304
Prior to performing the following procedures, remove
the metal cover, the CD changer mechanism
assembly and the rear cover and the rear panel. CN305
It is not necessary to remove the front panel
assembly.
CN302
1. Disconnect the card wires from connector CN301,
CN304, CN305 and the harnesses from CN302,
CN901A and CN901B on the inside of the main
board.
2. From the left side of the body, remove the screw L CN901A,CN901B
attaching the main board to the chassis base. Fig.18
3. Remove the main board from the body Rear panel
Main board
Removing the heat sink
(See Fig.20 and 21)
Prior to performing the following procedure, remove
the main board.
1. Remove the two screws J and the screw K attaching
the heat sink to the main board. Remove the IC304
and IC bracket on the back of the heat sink.
L
Fig.19
IC304 Main board
Heat sink
J
Heat sink
K
IC bracket
Fig.21 Fig.20
1-9
MX-J200
Removing the power transformer CN901A,CN901B
assembly (See Fig.22 to 24)
Prior to performing the following procedure, remove
the metal cover and the CD changer mechanism
assembly.
1. Disconnect the harness from connector CN901A and
CN901B on the inside of the main board.
2. Cut off the tie band g of the power transformer
assembly and unsolder the power cord.
(Make sure to bundle the wires after repair.)
Tie band g
3. Remove the four screws M attaching the power
transformer assembly.
Power transformer assembly
When removing the power transformer assembly
with the power cord, remove the rear panel and pull
out the power cord stopper from the bottom chassis Fig.22
upward.
M
Tie band g
M
Power transformer assembly
Fig.23
Tie band g
Rear panel
Power cord stopper
Power transformer assembly
Fig.24
1-10
MX-J200
Removing the cassette mechanism
assembly (See Fig.25)
Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the front panel assembly.
1. Disconnect the card wire from connector CN352 on
the cassette amplifier board.
2. Remove the six screws N attaching the cassette N N
mechanism assembly.
Cassette amplifier board
Cassette mechanism assembly
CN352
N
Fig.25
Harness h
Removing the cassette amplifier board Cassette mechanism board
DC motor
(See Fig.26 and 27)
Prior to performing the following procedure, remove
the cassette mechanism assembly.
1. Disconnect the card wire from connector CN353 on
the cassette amplifier board.
ATTENTION: When reconnecting the card wire, get
it pass through under the harness h on CN354
the DC motor (The Flg.26 shows the Cassette amplifier board
details).
CN352 CN353
Fig.26
2. Unsolder the soldering i on the flexible wire for the
cassette amplifier board head at the bottom of the P
cassette mechanism assembly. Then disconnect the
P
harness from CN354 on the cassette amplifier board,
and release the harness from the clamp on the upper (Bottom)
part of the cassette amplifier board.
3. Remove the four screws P attaching the cassette
amplifier board on the bottom of the cassette
mechanism assembly.
Soldering h
R/P head
Fig.27
1-11
MX-J200
Removing the display board and the side Bracket
Q Display board
brackets (See Fig.28 and 29)
Prior to performing the following procedure, remove
the metal cover, CD changer mechanism assembly
and the front panel assembly.
1. Disconnect the card wires from connector CN701, CN708
CN702, CN704 and CN706 and, then the harness Side
from CN708 on the display board. bracket
2. Remove the four screws Q on the bracket attaching
the display.
Side
3. Remove the two screws R attaching the display bracket
board and front panel assembly.
R
4. Remove the two screws S attaching the display
board and side brackets, then remove the side
brackets respectively.
CN706 CN702 CN701 CN704 R
Fig.28 Headphone jack board
Removing each board in the front panel Display board
assembly (See Fig.30 and 31)
Prior to performing the following procedure, remove
the display board. Side
bracket
~Removing the multi-control board~
(See Fig.30) Side
1. Remove the ten screws T attaching the multi-control (Bottom)
bracket S S
board. Fig.29
2. Unsolder FW1002 and FW1004 on the multi-control Eject switch board FW1002
FW1004 Power switch board
board. Disconnect the harnesses extending from the U T V FW1002
power switch board and the eject switch board
respectively.
~Volume board~ (See Fig.30 and 31)
U
1. Pull out the volume knob on the front of the front
Volume V
board
Headphone
panel assembly and remove the nut attaching the jack board
volume board.
T
2. Unhook the two hooks j on the back of the front FW1004 W
panel assembly and detach the volume board.
T
~Eject switch board ~ (See Fig.30)
1. Remove the four screws U attaching the eject switch
board.
Multi-control board
T T
2. Unsolder FW1004 on the eject switch board and Fig.30
disconnect the harness extending from the multi-
control board.
~Power switch board~ (See Fig.30)
1. Remove the three screws V attaching the power
switch board. Volume board
2. Unsolder FW1002 on the power switch board and
disconnect the harness extending from the multi-
control board.
~Headphone jack board~ (See Fig.30) Hooks j
1. Remove the screw W attaching the headphone jack
board. Fig.31
1-12
MX-J200
A
Removing the CD Servo control board
(See Fig.1)
1.Remove the metal cover.
2.Remove the CD changer mechanism assembly. a
3.From bottom side the CD changer mechanism assembly, a
remove the two screws A retaining the CD servo control
board. CN854
4.Absorb the four soldered positions "a" of the right and A
left motors with a soldering absorber. CN651
5.Pull out the earth wire on the CD changer mechanism
CD servo control board
assembly.
6.The two screws B is removed and C.B.holder is detached. CN652
7.Disconnect the connector CN854 on the CD servo CN801 CN151
control board.
8.Disconnect the card wire CN601 and the connector
CN801 on the CD servo control board.
CN601
Removing the CD tray assembly Earth
wire
1. Remove the front panel assembly.
(See Fig.2~4)
B B C.B.Holder
2. Remove the CD changer mechanism assembly.
3. Remove the CD Servo control board. Fig.1
4. Remove the screw C' retaining the lod stopper.
5. From the T.bracket section "b" and clamper base Clamper base
section "c" , remove both of the edges fixing the
rod(See Fig.2 and 3).
6. Remove the screw D retaining the disc stopper
(See Fig.3).
7. Remove the three screws E retaining the T.bracket
(See Fig.3).
8. Remove the screw F retaining the clamper assembly b
(See Fig.3).
9. From the left side face of the chassis assembly, remove
the one screw G retaining both of the return spring and Rod
lock lever(See Fig. 4). c
10. By removing the pawl at the section "d" fixing the return T.Braket
spring, dismount the return spring(See Fig.4).
11. Remove the three lock levers(See Fig.4). Fig.2
T.Braket Disc stopper
d
D
E E
C
a
Lod stopper
Return spring
E
F
b
G
Lock lever
Fig.4
Clamper ass'y
Fig.3
1-13
MX-J200
11. Check whether the lifter unit stopper has been caught Stopper
into the hole at the section "e" of CD tray assembly as
shown in Fig.5.
12. Make sure that the driver unit elevator is positioned as
shown in Fig.6 from to the second or fifth hole on the
left side face of the CD changer mechanism assembly.
[Caution] In case the driver unit elevator is not at above
position, set the elevator to the position as
shown in Fig.7 by manually turning the pulley
gear as shown in Fig.8.
13. Manually turn the motor pulley in the clockwise e
direction until the lifter unit stopper is lowered from the
section "e" of CD tray assembly(See Fig.8).
14. Pull out all of the three stages of CD tray assembly in CD tray
the arrow direction "f" until these stages stop assembly
(See Fig.6).
15. At the position where the CD tray assembly has
stopped, pull out the CD tray assembly while pressing
the two pawls "g and g' " on the back side of CD tray
assembly(See Fig.9). In this case, it is easy to pull out
the assembly when it is pulled out first from the stage
CD tray assembly.
Fig.5
Chassis assembly
f
CD tray assembly
Drive unit of elevator
Fig.7
Refer to Fig.7 Pawl g
Fig.6
CD tray assembly
Pulley gear
Motor pulley
Pawl g , g'
Fig.8 Fig.9
1-14
MX-J200
Removing the CD loading mechanism Cams R1, R2 assembly
assembly(See Fig.10)
1. While turning the cams R1 and R2 assembly in the
arrow direction "h" ,align the shaft "i" of the CD loading
mechanism assembly to the position shown in Fig.10. Arrow
2. Remove the four screws H retaining the CD loading h
mechanism assembly.
i
Removing the CD traverse mechanism
(See Fig.11 and 12 )
H
1. For dismounting only the CD traverse mechanism H
without removing the CD loading mechanism assembly,
align the shaft "j" of the CD loading mechanism
assembly to the position shown Fig.11 while turning the
cam R1 and R2 assembly in the arrow direction "k" .
2. By raising the CD loading mechanism assembly in the
arrow direction "l", remove the assembly from the lifter
unit
H H
Cam R1, R2 assembly
CD loading mechanism assembly
Fig.10
CD traverse mechanism
Arrow k
j
Lifter unit
Arrow l
Fig.11
Fig.12
CD Pickup unit
Removing the CD pick unit
(See Fig.13 ) n CD loading
mechanism
1. Move the cam gear in the arrow direction "m" . Then,
the CD pickup unit will be moved in the arrow direction
"n" .
m Shaft
2. According to the above step, shift the CD pickup unit to
the center position.
3. While pressing the stopper retaining the shaft in the Cam gear
arrow direction "o" , pull out the shaft in the arrow Shaft Shaft
direction "p". p
4. After dismounting the shaft from the CD pickup unit,
o
remove the CD pickup unit
Stopper Stopper
Fig.13
1-15
MX-J200
Removing the cam unit
(See Fig.14 ~17 )
1. Remove the CD loading mechanism assembly.
2. While turning the cam gear "q", align the pawl "r"
position of the drive unit to the notch position(Fig.15) on
the cam gear "q".
3. Pull out the drive unit and cylinder gear(See Fig.16).
4. While turning the cam gear "q", align the pawl "s"
position of the select lever to the notch position(Fig.17)
on the cam gear "q".
5. Remove the four screws J retaining the cam unit(cam
gear "q" and cams R1/R2 assembly)(See Fig.17).
Drive unit Cam gear q
Chassis assembly
Tray select
switch board
r
CN802
CN801
CN804 I
Fig.14
Fig.15
Drive unit
J Cams R1, R2 assembly
Cam gear q Cam unit
Cylinder gear
J
J
s
Select lever
Fig.16
Fig.17
1-16
MX-J200
Removing the actuator motor and belt
Gear bracket
(See Fig.18~21)
1. Remove the two screws K retaining the gear bracket
(See Fig.18).
2. While pressing the pawl "t" fixing the gear bracket in the
arrow direction, remove the gear bracket
Pulley gear
(See Fig.18).
3. From the notch "u section" on the chassis assembly Belt
fixing the edge of gear bracket, remove and take out the
Motor pulley
gear bracket(See Fig. 19).
4. Remove the belts respectively from the right and left
actuator motor pulleys and pulley gears(See Fig. 18).
5. After turning over the chassis assembly, remove the
K
actuator motor while spreading the four pawls "v" fixing
the right and left actuator motors in the arrow
direction(See Fig. 20).
Pawl t
[Note] When the chassis assembly is turned over under Pulley gear Belt
the conditions wherein the gear bracket and belt K
have been removed, then the pulley gear as well Motor pulley
as the gear, etc. constituting the gear unit can
Fig.18
possibly be separated to pieces. In such a case,
assemble these parts by referring to the assembly
and configuration diagram in Fig. 21. Actuator motor
Chassis assembly
u
v
Gear bracket
v
Fig.19 Fig.20
Assembly and Configuration Diagram
Pulley gear
Gear B
Pulley gear
Cylinder gear
Gear B
Gear C
Select gear Gross gear U
Gross gear L Gear C
Fig.21
1-17
MX-J200
Removing the cams R1/R2 assembly Slit washer
and cam gear q(See Fig.22) Cam R2
Slit washer
1. Remove the slit washer fixing the cams R1 and R2
assembly. Cam gear q
2. By removing the two pawls "w" fixing the cam R1,
separate R2 from R1.
3. Remove the slit washer fixing the cam gear "q".
4. Pull out the cam gear "q" from the C.G. base assembly. L
Pawl w Pawl w
Removing the C.G. base assembly Cam R1
(See Fig.22 and 23)
Remove the three screws L retaining the C.G. base
assembly.
[Caution] To reassemble the cylinder gear, etc.with the
cam unit (cam gear and cans R1/R2 assembly),
gear unit and drive unit, align the position of the
pawl "x" on the drive unit to that of the notch on
the cam gear "q". Then, make sure that the
gear unit is engaged by turning the cam gear Cam switch board
"q" (See Fig. 23).
C.G. base assembly
Fig.22
Cam gear q
Cam R1, R2 assembly
Notch
Pawl x Gear unit
Cylinder
gear
Drive unit
Gear bracket
Fig.23
1-18
MX-J200
< Cassette mechanism section >
R/P head assembly
Prior to performing the following procedures, remove
the metal cover the CD changer mechanism
assembly, the front panel assembly and cassette
mechanism assembly.
Removing the R/P head assembly
(See Fig.1to2)
1. Unsolder the head wire from the cassette
A
mechanism board.
2. Remove the two screws A retaining the R/P head
assembly.
Refer to the figure for soldering
A Fig.1
Head wire
Cassette mechanism board
Solder part
Fig.2
Removing the P/B head assembly B
(See Fig.3)
1. Loosen the screw B attaching the P/B head
assembly.
2. Remove the screws C retaining the P/B head
assembly.
C Fig.3
Removing the Pinch roller assembly
(See Fig.4)
1. Pull the tab a outward and remove the pinch roller
upward.
Tab a
Pinch roller
Fig.4
1-19
MX-J200
Removing the Capstan motor
(See Fig.5to7)
D
1. Remove the two screws D attaching the capstan
motor.
2. Unsolder the motor wire.
Motor wire
Marke red line Un solder
Cassette mechanism assembly
Fig.5
Capstan motor
Fig.6
Removing the Capstan belt (See Fig.7) Capstan motor
Solder part
1. Remove the capstan motor. FR belt FR belt
2. Remove the capstan belt.
ATTENTION: Do not stain the belt with grease.
Capstan belt