SERVICE MANUAL
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.
No.49826
2003/4
KS-FX8
CASSETTE RECEIVER
49826
2003
4
KS-FX8
TABLE OF CONTENTS
1
Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2
Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
Adjustment method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
4
Description of major ICs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
UN ----------- Asean
Area Suffix
KS-FX8
1-2 (No.49826)
SECTION 1
Important Safety Precautions
1.1 Safety Precautions
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
KS-FX8
(No.49826)1-3
SECTION 2
Disassembly method
2.1 Main body
2.1.1 Removing the front panel assembly
(See Fig.1)
(1) Push the detach button in the lower left part of the front
panel assembly and remove the front panel assembly in
the direction of the arrow.
Fig.1
2.1.2 Removing the bottom cover
(See Fig.2)
· Prior to performing the following procedures, remove the front
panel assembly.
(1) Turn the main body upside down.
(2) Insert a screwdriver under the joints to release the two
joints a on the left side, two joints b on the right side and
joint c on the back side of the main body, then remove the
bottom cover from the main body.
CAUTION:
When releasing the joints using a screwdriver, do not damage
the main board.
Fig.2
Front panel assembly
Detach button
Bottom cover
Joint a
Joint b
Joint a
Joint b
Joint c
KS-FX8
1-4 (No.49826)
2.1.3 emoving the front chassis assembly
(See Figs.3 and 4)
· Prior to performing the following procedures, remove the front
panel assembly and bottom cover.
(1) Remove the two screws A on the both sides of the main
body. (See Fig.3.)
(2) Remove the two screws B on the front side of the main
body. (See Fig.4.)
(3) Release the two joints d and two joints e on the both sides
of the main body, then remove the front chassis assembly
toward the front. (See Fig.3.)
Fig.3
Fig.4
2.1.4 Removing the heat sink
(See Fig.5)
· Prior to performing the following procedure, remove the front
panel assembly.
(1) Remove the two screws C and two screws D attaching the
heat sink on the left side of the main body, and remove the
heat sink.
Fig.5
2.1.5 Removing the rear panel
(See Fig.6)
· Prior to performing the following procedure, remove the front
panel assembly and bottom cover.
(1) Remove the two screws E, screws F and five screws G at-
taching the rear panel on the back side of the main body.
Fig.6
Joint d
Joint d
Front chassis assembly
A
Joint e
Joint e
A
B
Front chassis assembly
C
D
Heat sink
GG
EE
F
Rear bracket
KS-FX8
(No.49826)1-5
2.1.6 Removing the main board
(See Fig.7)
· Prior to performing the following procedures, remove the front
panel assembly, bottom cover, front chassis assembly, heat
sink and rear panel.
(1) Remove the two screws H attaching the main board on the
top chassis.
(2) Disconnect the connector CP701 on the main board from
the cassette mechanism assembly.
Fig.7
2.1.7 Removing the cassette mechanism assembly
(See Fig.8)
· Prior to performing the following procedures, remove the front
panel assembly, bottom cover, front chassis assembly, heat
sink, rear panel and main board.
(1) Disconnect the card wire from the connector CN403 on the
mecha board.
(2) Remove the four screws J attaching the cassette mecha-
nism assembly from the top chassis, take out the cassette
mechanism assembly.
(3) From the bottom side of the cassette mechanism assem-
bly, disconnect the wire from the connector on the head
board.
Fig.8
2.1.8 Removing the mecha board
(See Fig.9)
· Prior to performing the following procedures, remove the front
panel assembly, bottom cover, front chassis, heat sink, rear
panel, main board and cassette mechanism assembly.
(1) Remove the screw K attaching the mecha board.
(2) Bend the hook f in the direction of the arrow 1 and move the
mecha board in the direction of the arrow 2.
(3) Remove the mecha board from the mecha bracket (L) of
the top chassis.
Fig.9
H
Main board
CP701
H
J
J
J
J
Top chassis
Cassette mechanism assembly
CN403
Mecha board
Head board
Connector
K
1
2
Mecha board
Hook e
Top chassis
Mecha bracket (L)