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XL-UR250H

2 – 35

NO GAP

HAVE GAP

CORRECT

INCORRECT

31

XL-UR250H

3 – 1

1. CHANGER MECHANISM SECTION
Perform steps 1 to 3, 13 and 14 of the disassembly
method to remove the CD changer mechanism.

1.1 How to remove CD Disc (See Fig. 1-4)
1. When CD is at play position (Figure 1), rotate

reduction gear C clock-wise as shown in Figure 2
until disc tray is at stock position, then rotate further
to eject the disc tray so that CD can be removed
from the tray.

2. In another case, if CD mechanism is at tray No.1

play position and to remove CD located in tray No.3,
the procedure is as follows:
If the gear up down board is located at tray No.1
position, then rotate gear clock-wise until it is at
stock postiiton. Rotate reduction gear D clockwise
(Figure 3) to move the CD mechanism to tray No.3
position. This is confirmed by checking the gear up
down board position by the marking as indicated on
the main chassis as shown in Figure 4.

1.2 How to remove the tray motor/main cam motor/
5-Changer Motor PWB (See Fig. 5)
1. Remove the screws (A1)x 2 pcs., to remove tray

motor/main cam motor/5-Changer Motow PWB.

Note:
There are 2 more screws tighten the motors at the
bottom of main chassis. Before performing prodcedure
1 above, disc stop spring, top plate sear up down
board and trays must be removed, then only the 2
screws can be untighten.

CD Disc

CD at play position.

CD at stalk position.

CD Disc

Disc Tray

Guide Tray

Reduction gear C

Front

Rear

Reduction gear D

Up

Down

Mark 1

(DISC 1)

Mark 3

(DISC 3)

Mark 5

(DISC 5)

Mark 2

(DISC 2)

Mark 4

(DISC 4)

Gear up down board

5-Changer
Motor PWB

Tray Motor

Changer Mechanism Unit

Main Cam Motor

(A1)x2
φ2x10mm

XL-UR250H

3 – 2

After removing the connector for the optical pickup from 
the connector, wrap the conductive aluminium foil around 
the front end of the connector so as to protect the optical 
pickup from electrostatic damage.

Follow the below-mentioned notes when disassembling 
the unit and reassembling it, to keep it safe and ensure 
excellent performance: 
1) Take cassette tape and compact disc out of the unit.
2) Be sure to remove the power supply plug from the 
    wall outlet before starting to disassemble the unit. 

3) Take off nylon bands or wire holders where they 
     need to be removed when disassembling the unit. 
     After servicing the unit, be sure to rearrange the 
     leads where they were before disassembling.  
4) Take sufficient care on static electricity of integrated 
     circuits and other circuits when servicing.

Side Panel
(Right)

Side Panel

(Left)

3x12mm

(A1)x2

Rear Panel

Front Panel

Top Cabinet

3x10mm

(B1)x2

3x10mm

(C1)x1

3x10mm

(B1)x2

3x10mm

(B1)x2

3x12mm

(A1)x2

3x12mm

(A1)x2

3x10mm

(B1)x2

3x10mm

(D1)x4

3x10mm

(C1)x1

PULL

Speaker PWB

(D2)x1

(D3)x1

Hook

(C2)x1

PULL

Hook

(C2)x1

Rear Panel

CD Servo PWB

CD Changer Unit

(C4)x2

(C3)x2

(C3)x1

Front Panel

PULL

(E4)x1

Front panel

Main PWB

Power PWB

(E3)x1

(F2)x1

(G1)x4

4x6mm

(F2)x1

(E1)x2
3x10mm

(F1)x2
3x10mm

(E2)x2

(E4)x1

Hook

PULL

1

Top Cabinet

1

2

Side Panel 
(Left/Right)

1

3

CD Changer unit

2

1. Screw ............................(C1) X 2

2. Hook ..............................(C2) X 2

3. Socket ...........................(C3) X 3

4. Flat Cable ......................(C4) X 2

1. Screw ............................ (E1) X 3

2. Flat Cable ...................... (E2) X 2

3. Socket ........................... (E3) X 1

4. Hook .............................. (E4) X 2

1. Knob ...............................(J1) X 1

2. Nut ..................................(J2) X 1

3. Washer ...........................(J3) X 1

4. Screw .............................(J4) X 6

1. Screw ........................... (M1) X 1

1. Screw ............................ (P1) X 4

2. Screw ............................ (P2) X 4

1. Screw ............................(D1) X 4

2. Socket ...........................(D2) X 1

3. Flat Cable ......................(D3) X 1

1. Screw ............................ (F1) X 3

2. Socket ........................... (F2) X 2

1. Screw ............................(G1) X 4

1. Screw ............................(H1) X 2

1. Screw ............................ (K1) X 2

1. Screw ............................ (L1) X 1

1. Screw ............................ (A1) X 6

1. Screw ............................ (B1) X 8

4

Rear Panel with

2

Speaker PWB

5

Front Panel

3

6

Main PWB

3

7

Power PWB

3

8

Speaker PWB    

4

9

Display PWB

5

10

USB PWB / SUB PWB

5

11

Jack PWB

5

12

Re-Flash PWB

6

14

CD Mechanism

7

8

1. Screw ............................(N1) X 3

2. Flat Cable ......................(N2) X 2

3. Socket ...........................(N3) X 1

13

CD MP3 PWB

7

(E1)x1

   3x6mm

(F1)x1

   3x6mm

XL-UR250H

3 – 3

(P2)x4
Special

CD Changer Unit

CD Mechanism

USB PWB

SUB PWB

Display PWB

Jack PWB

(K1)x2

(L1)x1

Special

Re-Flash PWB

Main Chassis

(J4)x6

(J1)x1

(J2)x1

(J3)x1

Front Panel

(P1)x2

(N2)x2

(N3)x1

Ø

3x10mm

CD Changer
Unit

1

Woofer

1. Net Frame Ass’y............ (A1) X 1

2. Catching Holder............. (A2) X 4

3. Screw ............................ (A3) X 4

4. Screw ............................ (A4) X 4

2

Tweeter

1. Screw ............................ (B1) X 2

9, 10

10

Ø

2.6x10mm

Ø

2.6x10mm

(M1)x1

Ø

3x10mm

(N1)x3

Ø

3x10mm

(P1)x2

Ø

3x10mm

(H1)x2
Ø3x10mm

Speaker PWB

Rear Panel

Front Board

Tweeter

Woofer

Woofer Ring

Tweeter Ring

(A2)x4

(A3)x4

(B1)x2

(A4)x4

Net Frame Ass’y
(A1) x1

Speaker Box

Ø3.5x16mm

Ø3x14mm

Ø3.5x14mm