JVC KS-FX732R Service Manual

SERVICE MANUAL
CASSETTE RECEIVER

KS-FX732R

KS-FX732R
Contents
TP/PTY
CD CHANGER CONTROL
SEL
DISP
MO
7
8
10
9
11 12
RPT
RND
KS-FX732R
MODE
TAP
E
DAB
FM/AM
¢
SSM
4
CD­CH
SCM
Area Suffix
E -------- Continental Europe EX ------------ Central Europe
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
1-2 1-3 1-18 1-22
No.49695
Feb. 2002
KS-FX732R

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

<Main body>
Removing the front panel assembly
(See Fig.1)
1.
Press the eject button in the lower right part of the front panel. Remove the front panel assembly from the body.
Removing the front chassis assembly
(See Fig.2 and 3)
KS-FX732R
Front panel assembly
Eject button
Fig.1
Tab a
Prior to performing the following procedure, remove the front panel assembly.
1.
Release the four joint tabs a on both sides of the front chassis assembly and remove the front chassis assembly toward the front.
Tab a
Front chassis assembly
Heat sink
Fig.2
Tab a
Tab a
Front chassis assembly
Fig.3
1-3
KS-FX732R
Removing the heat sink (See Fig.4)
1.
Remove the three screws A on the left side of the body.
Removing the bottom cover
(See Fig.5 and 6)
Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly and the heat sink.
1.
Turn over the body and unjoint the five joints b with the bottom cover and the body using a screwdriver.
Joint b
A
Joints b
Heat sink
Fig.4
Rear panel
Fig.5
A
Bottom cover
Joints b
Joints b
Bottom cover
Joints b
Joint b
Rear panel
Fig.6
1-4
KS-FX732R
Removing the main board
(See Fig.7 and 8)
Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly, the heat sink and the bottom cover.
1.
Remove the screw B, the three screws C and the two screws D attaching the rear bracket on the back of the body. Remove the rear panel.
2.
Remove the two screws E attaching the main board on the bottom of the body. Disconnect connector CP401 on the main board in the direction of the arrow.
D
E
Rear panel
Fig.7
C
Main board
B
C
D
E
Removing the cassette mechanism section
(See Fig.9)
Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly, the heat sink, the bottom cover and the main board.
1.
Remove the four screws F attaching the cassette mechanism section on the back of the top chassis.
Fig.8
Cassette mechanism section
F
F
Fig.9
CP401
F
F
Top chassis
1-5
KS-FX732R
Removing the control switch board
(See Fig.10 to 12)
Prior to performing the following procedure, remove the front panel assembly.
1.
Remove the four screws G attaching the rear cover on the back of the front panel assembly.
2.
Unjoint the eleven joints c with the front panel and the rear cover.
3.
Remove the control switch board on the back of the front panel.
G
G
Front panel
Rear cover
Joints c
G
G
Fig.10
Joints c
Joints c
Rear cover
Front panel
Joints c
Fig.11
Control switch board
Fig.12
1-6
KS-FX732R
REFERENCE:
Prior to performing the following procedures, turn the mode gear on the bottom of the body until the respective part comes to the EJECT position (Refer to Fig.1).
Removing the reinforce bracket
(See Fig.1 and 2)
1.
Remove the screw A attaching the reinforce bracket on the bottom of the body.
2.
To release joint a, turn and detach the reinforce bracket from the side bracket assembly as shown in Fig.2
Removing the cassette guide (See Fig.3)
1.
Turn the mode gear to set to RVS play or subsequent mode.
2.
Remove the cassette guide from the main chassis while releasing each two joint tabs b in the direction of the arrow.
Mode gear
Reinforce bracket
A
Fig.1
Joint a
Reinforce bracket
Removing the head board (See Fig.4)
1.
Remove the screw B on the upper side. Unsolder the wires on the under side of the head board, if necessary.
REFERENCE:
Cassette guide
When reassembling, twist the wires by turning the head board twice remarked c and pass through the notch d as shown in Fig.4.
Head board
B
Fig.2
Head board
Soldering
notch d
Tab b
Tab b
c
Fig.4Fig.3
1-7
KS-FX732R
Removing the load arm (See Fig.5)
1.
Remove the E-washer attaching the load arm.
2.
Move the load arm in the direction of the arrow and release the joint e on the cassette catch.
Removing the cassette hanger assembly / cassette holder (See Fig.6 to 9)
1.
Check the mode is set to EJECT. Push down the front part of the cassette holder and move in the direction of the arrow to release the joint f.
2.
Move the rear part of the cassette hanger assembly in the direction of the arrow to release it from the two joint bosses g.
Load arm
E-washer
Cassette holder assembly
Side bracket
Joints f
Joint e
Fig.5
Boss g
Cassette hanger assembly
Boss g
3.
Release the holder stabilizer spring from the hooks h and i, then pull out from the cassette hanger assembly.
4.
Bring up the rear side of the cassette hanger assembly to release the joint j and k.
5.
Pull out the cassette catch from the cassette hanger assembly.
Cassette holder assembly
Cassette holder assembly
Fig.6
Cassette hanger assembly
Cassette stabilizer spring
Hook i
Hook h
Fig.7
Cassette hanger assembly
Cassette catch
Cassette holder assembly
1-8
Hook j
Fig.8
Cassette hanger assembly
Hook k
Fig.9
KS-FX732R
Removing the side bracket assembly
(See Fig.10 to 12)
1.
Remove the screw C attaching the side bracket assembly.
2.
Detach the front side of the side bracket assembly upward and pull out forward to release the joint l and m in the rear.
CAUTION:
CAUTION:
When reassembling, make sure that the boss n of the main chassis is set in the notch of the load rack under the side bracket assembly. Do not reattach the load rack on the boss n.
After reattaching the side bracket assembly, confirm operation.
Side bracket assembly
Joint l
Joint m
C
Side bracket assembly
Fig.10
Side bracket assembly
Joint l
Joint m
Load rack
Load rack
Boss n
Boss n
Fig.11
Fig.12
1-9
KS-FX732R
Removing the pinch arm (F) assembly
(See Fig.13 and 14)
1.
Remove the polywasher and pull out the pinch arm (F) assembly.
2.
Remove the compulsion spring.
Removing the pinch arm (R) assembly
(See Fig.13 and 15)
1.
Remove the polywasher and pull out the pinch arm (R) assembly.
Removing the slide chassis assembly
(See Fig.16 and 17)
Polywasher
Pinch arm (R) assembly
Polywasher
Compulsion spring
Fig.13
Pinch arm (F) assembly
Pinch arm (F) assembly
Polywasher
REFERENCE:
It is not necessary to remove the head and the tape guide.
1.
Move the slide chassis assembly in the direction of the arrow to release the two joints o and remove from the main chassis.
2.
Remove the rack link.
CAUTION:
When reassembling, first reattach the rack link, and next fit the boss p and hook q of the slide chassis assembly to the hole of the main chassis, and engage the two joints o.
Rack link
Fig.14
Boss p
Pinch arm (R) assembly
Fig.15
Head
Hook q
Polywasher
Tape guide
Joint o
Slide chassis assembly
1-10
Fig.16
Joint o
Fig.17
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