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1-1
KS-FX893
SERVICE MANUAL
CASSETTE RECEIVER
No.49763
Nov. 2002
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
KS-FX893
KS-FX893
Area Suffix
UF
China
Contents
Safety precaution
Disassembly method
1-2
1-3
Adjustment method
Description of major ICs
1-11
1-15~24


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1-2
KS-FX893
!
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.
Safety precaution
!
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.


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1-3
KS-FX893
Disassembly method
1.
2.
Remove the two screws A attaching the front
chassis.
Insert a screwdriver to the two joints a on the side
of the front chassis, two joints b on the right side
and one joint c from upside, then detach the front
chassis toward the front side.
Removing the front chassis (See Fig.1~2)
Removing the heat sink (See Fig.3)
1. Remove the three screws B attaching the heat sink
on the left side of the body, and remove the heat
sink.
b
a
a
b
c
A
B
B
B
Heat sink
Fig.2
Fig.1
Fig. 3
Front chassis


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1-4
KS-FX893
Removing the bottom cover (See Fig.4)
1.
2.
Turn the body upside down.
Insert a screwdriver to the two joints d and two
joints e on both sides of the body and the joint f on
the back of the body, then detach the bottom cover
from the body.
Removing the rear panel (See Fig.5 )
1.
2.
3.
4.
Remoe the front chassis.
Remove the heat sink.
Remove the bottom cover.
Remove the seven screws B attaching the rear
panel and one screw C attaching the pine jack on
the back of the body.
Removing the main amplifier board
assembly
(See Fig.6)
1.
2.
3.
4.
5.
Remove the front chassis.
Remove the bottom cover.
Remove the rear panel.
Remove the two screws D attaching the main
amplifier board assembly on the top cover.
Disconnect connector CP701 on the main amplifier
board assembly from the cassette mechanism
assembly.
d
e
f
Bottom cover
Fig. 4
Fig. 5
Fig. 6
B
C
B
B
D
D
CP701
Main board assembly


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1-5
KS-FX893
Cassette mechanism assembly
F
F
F
Top cover
Fig. 7
G
G
G
G
Fig. 8
Fig. 9
LCD & Key control board
F
Removing the Cassette mechanism
assembly
(See Fig.7)
1.
2.
3.
4.
Remove the front chassis.
Remove the bottom cover.
Remove the main amplifier board assembly.
Remove the fore screws F attaching the cassette
mechanism assembly from the top cover.
Removing the control switch board
(See Fig.8 and 9 )
1.
2.
3.
Remove the front panel unit from the main body.
Remove the four screws G attaching the rear cover
on the back of the front panel unit.
Remove the control switch board from the front
panel unit.