SERVICE MANUAL
DVD/CD PLAYER
No.49630
Apr. 2001
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
KV-DV7
KV-DV7
Area Suffix
E
J
UF
UT
US
A
Continental Europe
Northern America
China
Taiwan
Singapore
Australia
Contents
Safety precaution
Important for laser products
Disassembly method
Adjustment method
Description of major ICs
1-2
1-3
1-4
1-11
1-12~17
KV-DV7
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
!
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
KV-DV7
1-3
Important for laser products
1.CLASS 1 LASER PRODUCT
2.DANGER : Invisible laser radiation when open and inter
lock failed or defeated. Avoid direct exposure to beam.
3.CAUTION : There are no serviceable parts inside the
Laser Unit. Do not disassemble the Laser Unit. Replace
the complete Laser Unit if it malfunctions.
4.CAUTION : The compact disc player uses invisible
laserradiation and is equipped with safety switches
whichprevent emission of radiation when the drawer is
open and the safety interlocks have failed or are de
feated. 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 herein may result in
hazardous radiation exposure.
VARNING : Osynlig laserstrålning är denna del är öppnad
och spårren är urkopplad. Betrakta ej strålen.
VARO
: Avattaessa ja suojalukitus ohitettaessa olet
alttiina näkymättömälle lasersäteilylle.Älä katso
säteeseen.
ADVARSEL : Usynlig laserstråling ved åbning , når
sikkerhedsafbrydere er ude af funktion. Undgå
udsættelse for stråling.
ADVARSEL : Usynlig laserstråling ved åpning,når
sikkerhetsbryteren er avslott. unngå utsettelse
for stråling.
REPRODUCTION AND POSITION OF LABELS
WARNING LABEL
! CAUTION Please use enough caution not to
see the beam directly or touch it
in case of an adjustment or operation
check.
CLASS 1
LASER PRODUCT
DANGER : Invisibie laser radiation
when open and interlock or
defeated.
AVOID DIRECT EXPOSURE TO
BEAM
(e)
VARNING : Osynlig laserstrålning är
denna del är öppnad och spårren är
urkopplad. Betrakta ej strålen.
(s)
VARO : Avattaessa ja suojalukitus
ohitettaessa olet alttiina
näkymättömälle lasersäteilylle.Älä
katso säteeseen.
(d)
ADVARSEL :Usynlig laserstråling
ved åbning , når
sikkerhedsafbrydere er ude af
funktion. Undgå udsættelse for
stråling.
(f)
KV-DV7
1-4
Remove the seven screws A
on both sides and
back of the body.
Detach the rear part of the top cover upward and
release the joint a on the top side.
1.
2.
Disassembly method
< Main Body>
Removing the top cover (See Fig.1 to 3)
Fig.1
Fig.2
Fig.3
Top cover
AA
AA
Top cover
Top cover
Joint a
A
A
A
A
KV-DV7
1-5
Prior to performing the following procedure, remove
the top cover.
Remove the screw B attaching the ground on the
top of the body.
Remove the four screws C
and two screws C'
attaching the front panel assembly on both sides of
the body.
Release the two joints b of the front panel assembly
and the bottom chassis on both sides of the body
and remove the front panel assembly toward the
front.
The connector CN801 on the control switch board in
the front panel assembly will be disconnected from
the main board.
1.
2.
3.
Removing the front panel assembly
(See Fig.4 to 6)
When reassembling, attach the four
screws C and then the two screws C'.
CAUTION:
Fig.4
Fig.5
Fig.6
Front panel assembly
B
Front panel assembly
C
C'
C
C
Joint b
Joint b
C
Front panel assembly
C'