SERVICE MANUAL
CASSETTE RECEIVER
No.49734
Apr. 2002
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
KS-LH6R
KS-LH6R
Contents
Safety precaution
Disassembly method
Adjustment method
Description of major ICs
1- 2
1- 3
1-11
1-15~26
Area Suffix
E ----------- Continental Europe
SOUND
VOL
VOL
SOURCE
R
F
U
D
6
S
TAPE
KS-LH6R
1-2
!
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
KS-LH6R
1-3
Press the release switch and remove the front panel
unit in the direction of the arrow.
1.
Disassembly method
Removing the front panel unit
(See Fig.1)
Turn the body upside down.
Insert a screwdriver to the two joints a and two joints
b on both sides of the body and the joint c on the
back of the body, then detach the bottom cover from
the body.
1.
2.
Removing the bottom cover
(See Fig.2,3)
When disengaging the joint c using a
screwdriver, do not damage or break the
board.
CAUTION:
Prior to performing the following procedure, remove
the bottom cover.
Remove the two screws A attaching the front
chassis.
Remove the two screws B on each side of the body.
Release the two joints d and the two joints e on the
sides. remove the front chassis toward the front.
1.
2.
3.
Removing the front chassis (See Fig.4,5)
Fig.4
Fig.1
Fig. 5
Front panel unit
Front chassis
A
B
Front chassis
Joint d
Joint d
Joint e
Joint e
Fig. 2
Bottom cover
Joint a
Joint b
Joint c
Fig. 3
Bottom cover
Joint a
Joint b
Joint c
KS-LH6R
1-4
Remove the four screws C attaching the heat sink
on the left side of the body, and remove the heat
sink.
1.
Removing the heat sink (See Fig.6)
Prior to performing the following procedure, remove
the front chassis, the heat sink and bottom cover.
Remove the five screws D attaching the rear panel
and one screw E attaching the pine jack on the back
of the body.
1.
Removing the rear panel (See Fig.7 )
Prior to performing the following procedure, remove
the front chassis, the heat sink, bottom cover and the
rear panel.
Remove the two screws F
attaching the main
amplifier board assembly on the top cover.
Disconnect connector CP401 on the main amplifier
board assembly from the cassette mechanism
assembly.
1.
2.
Removing the main amplifier board assembly
(See Fig.8)
Heat sink
Fig. 6
C
C
C
Fig. 7
D
D
D
E
Rear panel
Fig. 8
Main board assembly
CP401
F
F
KS-LH6R
1-5
Prior to performing the following procedure, remove
the front chassis, the heat sink, bottom cover and the
main amplifier board assembly.
Remove the four screws G
attaching the cassette
mechanism assembly from the top cover.
1.
Removing the cassette mechanism assembly
(See Fig.9)
Removing the (LCD & key) control switch
board
(See Fig.10 ~ 12)
Prior to performing the following procedure, remove
the front panel assembly.
Remove the four screws H attaching the rear cover
on the back of the front panel assembly.
Unjoint the nine joints g with the front panel and the
rear cover.
Remove the control switch board on the back of the
front panel.
1.
2.
3.
Cassette mechanism assembly
G
G
Top cover
Fig. 9
G
G
H
H
H
H
Fig. 10
Fig. 12
Fig. 11
LCD & Key control board
Joint g
Joint g
Joint g
Joint g
Front panel
Rear cover