JVC KS-F160 Service Manual
SERVICE MANUAL
CASSETTE RECEIVER
KS-F160
KS-F160
Contents
MO
Safety precaution
Disassembly method
Adjustment method
Description of major ICs
K
S-
F
160
Area Suffix
J ---- Northern America
1-2
1-3
1-12
1-16
COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.
No.49659
Nov. 2001
KS-F160
Safety precaution
!
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.
1-2
Disassembly method
Detaching the front panel unit
( See Fig.1 )
Push the Release button in the direction of arrow to
detach the front panel unit.
KS-F160
Front panel unit
Push the release button
Fig. 1
Removing the front chassis
( See Fig. 2 and 3 )
Disengage the four tabs ( a ) in the right and left sides of
unit and pull the front chassis forward to remove it.
Removing the bottom cover
( See Fig. 2 to 4 )
1. Removie the front chassis.
2 . Turn the unit up side down.
3. Insert the screwdriver to the four engagements
( b, c, d, f ) .
4 . Turn the screwdriver and remove the bottom
cover.
Front chassis
a
Bottom cover
c
Top chassis
Fig. 2
Front chassis
a
b
a
d
a
Bottom cover
Fig. 3
Rear panel
f
Fig. 4
1-3
KS-F160
Removing the heat sink (SeeFig.5)
1. Removing the front chassis.
2. Removing the bottom cover.
3. Remove the three screws ( 1 and 1` ) retaining the
heat sink.
Removing the main board assembly
( See Fig. 5 to 7)
1. Removing the front chassis.
2. Removing the bottom cover.
3. Removing the heat sink.
Attach the heat sink with a screw ( 1` ) on operat-
( )
ing checks.
4. Remove the two screws ( 2 ) retaining the main
board assembly.
5. Remove the two screws ( 3 ) retaining the rear
panel .
6. Separate the main board assembly and cassette
mechanism assembly.
7. Take out the main board assembly.
1
Heat sink
Fig. 5
1
1`
2
2
Main board assembly
Fig. 6
3
Rear panel
Fig. 7
3
1-4
KS-F160
Removing the cassette mechanism assembly
( See Fig. 8 )
1. Removing the front chassis.
2. Removing the bottom cover.
3. Removing the heat sink.
4. Removing the main board assembly.
5. Remove the four screws ( 4 ) retaining the cassette
mechanism.
6. Separate the top chassis and cassette mechanism.
Removing the operation switch board
( See Fig. 9 to 11 )
1. Detaching the front panel unit.
2. Turn the front panel back side down.
3. Remove the four screws ( 5 ) retaining the front
cover.
4. Open the front cover gradually by disengaging the
three engagements ( g ) while pushing the top of
the front cover in the arrow "A" direction, then
disengage the three engagements ( h ) on the both
sides.
5. Place the front panel unit front side down.
6. Disengage the three engagements ( i ) on the
bottom to separate the front cover from the front
panel.
(Be careful not to lose the button springs.)
h
g
5
5
Front panel
Cassette mechanism
4
4
Top chassis
Fig. 8
A
Front cover
Front cover
i
i
g
Fig. 9
Fig. 10
4
Front side
4
g
5
h
h
5
i
Operation switch board
Fig. 11
1-5
KS-F160
Removing the head amplifier board
( See Fig. 12 )
1. Removing the front chassis.
2. Removing the bottom cover.
3. Removing the heat sink.
4. Removing the main board assembly .
5. Removing the cassette mechanism.
6. Remove the screw ( 6 ) retaining the head amplifier board.
7. Shift the two inter rocking sections ( j ) securing
the head amplifier board in the direction shown by
the arrow "B" to remove the printed circuit board.
8. From the connector CJ901 on the head amplifier
board from connector wire out going to the head
relay board.
Removing the chassis assembly
Head amplifier board
B
CJ901
j
j
To head relay board
Relay board
6
Fig. 12
( See Fig. 13 and 14 )
1. Removing the front chassis.
2. Removing the bottom cover.
3. Removing the heat sink.
4. Removing the main board assembly .
5. Removing the cassette mechanism.
6. Removing the head amplifier board.
7. Turn the left side to cassette mechanism.
8. Remove the screw ( 7 ) retaining the relay board.
9. Shift the one inter rocking sections ( k ) securing
the relay board in the direction shown by the
arrow "C" to remove the printed circuit board.
10. Turn the back side down, remove the four screws
( 8 ) retaining the chassis assembly .
Chassis assembly
C
7k
Fig. 13
8
8
8
1-6
8
Fig. 14
<Cassette mechanism assembly>
KS-F160
Prior to performing the following procedures, remove
the head amplifier board, the relay board and the
mechanism bracket.
Removing the direction switch board
(See Fig.1)
1.
Unsolder the three wires a on the direction switch
board.
2.
Remove the one screw A attaching the direction
switch board.
Removing the FF / REW lever assembly
(See Fig.1)
1.
Remove the screw B attaching the FF / REW lever
assembly on the back of the cassette mechanism
assembly.
2.
Remove the screw C on the upper side of the FF /
REW lever assembly.
3.
Lift and pull forward the FF / REW lever assembly to
disengage the joints b, c, d and e.
Joint e
Joint d
C
FF / REW lever assembly
A
Soldering a
Direction switch board
Fig.1
Joint c
Joint b
B
Reattaching the FF / REW lever assembly
(See Fig.1)
1.
Reattach the FF / REW lever assembly to the joint c
on the back of the chassis.
2.
Reattach the pinch-roller shaft e, the change lever d
and the return link e to the chassis.
1-7
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