JVC DK1US Service Manual
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
MB51520066
MX-DK1US,MX-DK1UW,MX-DK1UG,MX-DK1UN,
MX-DK3US,MX-DK3UW,MX-DK3UG,MX-DK3UN,MX-DK15UN
CA-MXDK3 SP-MXDK3FSP-MXDK3F
SP-MXDK1F SP-MXDK1F
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
CA-MXDK1
CA-MXDK15SP-MXDK15F SP-MXDK15F
SP-MXDK3W
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
COPYRIGHT © 2006 Victor Company of Japan, Limited
No.MB515
2006/6
1.8 Important for laser products
1.CLASS 1 LASER PRODUCT
2.CAUTION :
(For U.S.A.) Visible and/or invisible class II laser radiation
when open. Do not stare into beam.
(Others) Visible and/or invisible class 1M laser radiation
when open. Do not view directly with optical instruments.
3.CAUTION : Visible and/or invisible laser radiation when
open and inter lock failed or defeated. Avoid direct
exposure to beam.
4.CAUTION : This laser product uses visible and/or invisible
laser radiation and is equipped with safety switches which
prevent emission of radiation when the drawer is open and
the safety interlocks have failed or are defeated. It is
dangerous to defeat the safety switches.
5.CAUTION : If safety switches malfunction, the laser is able
to function.
6.CAUTION : Use of controls, adjustments or performance of
procedures other than those specified here in may result in
hazardous radiation exposure.
!
Please use enough caution not to
see the beam directly or touch it
in case of an adjustment or operation
check.
REPRODUCTION AND POSITION OF LABELS and PRINT
WARNING LABEL and PRINT
1-6 (No.MB515)
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.
(No.MB515)1-7
SECTION 3
DISASSEMBLY
3.1 Main body
3.1.1 Removing the metal cover
(See Fig.1, 2)
(1) Remove the six screws A attaching the metal cover. (See
Fig.1)
(2) Remove the two screws B attaching the metal cover. (See
Fig.2)
L
A
A
K
J
A
A
A
Fig.1
B
Fig.2
1-8 (No.MB515)
3.1.2 Removing the DVD mechanism assembly
(See Fig.3)
(1) Disconnect the card wires from connector CN300
and CN303 of the main board.
(2) Remove the three screws C attaching the DVD mecha-
nism assembly.
, CN301
CN300
CN302
CN301
C
Fig.3
(No.MB515)1-9
3.1.3 Removing the front panel assembly
(See Fig.4 to 7)
(1) Disconnect the connector wires from connector CN103
the transformer board. (See Fig.4)
(2) Disconnect the card wires from connector CN303
and CN307 of the main board. (See Fig.5)
(3) Disconnect the connector wire from connector CN140
the amplifier board. (See Fig.6)
(4) Remove the two screws D attaching the front panel assem-
bly from bottom side of main body. (See Fig.7)
(5) Remove the one screw E attaching the front panel assem-
bly from left side of main body. (See Fig.4)
(6) Remove the one screw F attaching the front panel assem-
bly from right side of main body. (See Fig.5)
(7) Remove the one screw G attaching the earth wire from
switch board to main board. (See Fig.5)
(8) Disengage the hook a and hook b of the both side of the
front panel and then take out the front panel assembly.
(See Fig.4, 5)
3.1.4 Removing the center chassis
(See Fig.1, 5)
(1) Disconnect the connector wire from connector CN330
the main board. (See Fig. 5)
(2) Remove the one screw H attaching the center chassis.
(See Fig. 5)
(3) Remove the two screws J attaching the center chassis.
(See Fig. 1)
, CN306
of
of
of
H
F
CN307
CN306
CN313
b
CN303
CN330
G
Fig.5
CN335
CN309
CN312
CN314
d
CN311
3.1.5 Removing the tuner pack
(See Fig.1, 5)
(1) Disconnect the card wire from connector CN335
main board. (See Fig. 5)
(2) Remove the two screws K attaching the tuner pack. (See
Fig.1)
of the
CN103
E
CN140
Fig.6
c a
1-10 (No.MB515)
Fig.4
D
Fig.7
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