Disassembly For Repair; Caution On Disassembly - Kenwood RXD-A55 Service Manual

RXD-A55/A75

Caution on Disassembly

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 be
removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take suffcient care on static electricity of integrated
circuits and other circuits when servicing.
STEP REMOVAL
1 Top Cabinet
2 Side Panel
(Left/right)
3 CD Player Unit/
CD Tray Cover
4 Rear Panel
5 Main PWB
6 Power Supply PWB 1. Screw ..................... (F1) x2
7 Front Panel
8 Display PWB
9 Tape Mechanism 1. Open the cassette holder.
10 Headphones PWB 1. Screw ..................... (K1) x1
11 Turntable
12 Disc Tray
13 CD Servo PWB
(Note 2)
14 CD Mechanism
15 Loading Motor PWB 1. Hook ....................... (Q1) x5
Note 1:
How to open the changer manually. (Fig. 7-3)
1. In this state, turn fully the lock lever in the arrow direction
through the hole on the loading chassis bottom.
2. While holding the lock lever, rotate the cam gear anticlockwise
until the cam gear rib engages with the clamp lever. (Fig. 8-1)
3. After that, push forward the CD slide holder.
4

DISASSEMBLY FOR REPAIR

PROCEDURE FIGURE
1. Screw ..................... (A1) x4
1. Screw ..................... (B1) x8
1. Turn on the power supply,
open the disc tray, take out
the CD cover, and close.
(Note 1)
2. Screw ..................... (C1) x1
3. Hook ....................... (C2) x3
4. Hook ....................... (C3) x2
5. Socket .................... (C4) x2
1. Screw ..................... (D1) x9
1. Screw ..................... (E1) x1
2. Socket .................... (E2) x3
3. Flat Cable .............. (E3) x1
4. Tip Wire .................. (E4) x1
2. Socket .................... (F2) x1
3. Flat Wire ................. (F3) x1
1. Screw ..................... (G1) x3
1. Screw ..................... (H1) x9
2. Socket .................... (H2) x1
2. Screw...................... (J1) x5
1. Hook ....................... (L1) x2
2. Cover ..................... (L2) x1
1. Turn fully the lock lever in the
arrow direction.
2. While holding the lock lever,rotate
the cam gear until the cam gear
rib engages with the clamp lever.
3. Push the slide holder backward to
engage the claw with the groove
and remove it in the direction
of the arrow. .............. (M1) x6
1. Screw ..................... (N1) x1
2. Hook ....................... (N2) x2
3. Socket .................... (N3) x4
1. Hook ....................... (P1) x2
2. Hook ....................... (P2) x3
(A1)x2
ø3x12mm
Side Panel
(Right)
(B1)x2
ø3x10mm
(B1)x4
7-1
ø3x10mm
7-1
7-2
CD Servo
PWB
(C3) x1
7-2
Pull
7-2
8-2
8-2
Rear
Panel
8-3
8-2
(C1)x1
8-3
ø3x10mm
8-3
(D1)x7
8-3
ø3x10mm
8-4
7-3
8-1
8-5
8-6
9-1
Note 2:
9-1
1. 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.
Note 3:
1. Be careful not to break the claw of the CD mechanism.
2. When fining back the cam gear assembly, let it lock by front
movement.
Top Cabinet
Rear
Panel
Figure 7-1
DC Tray Cover
(C4)x2
1
(E1)x1
ø3x10mm
(D1)x2
Main PWB ø3x10mm
Figure 7-2
LOCK LEVER
Figure 7-3
(A1)x2
ø3x12mm
Side Panel
(Left)
(B1)x2
ø3x10mm
(C2) x3
1
2
CD Player
Unit
(C3)x1