Luxman D-105U User manual

SERVICE
MANUAL
Compact
Disc
Player
D-105U
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Contents
SOC
Hea
LONE
coca
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dee
Gi
RG
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ewe
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RSE
en
hd
Lait
ciate
tints
Sri
erates
Pag
RR
Bs
3
Parts
Locations
and
Disassembly
Instructions
....-.-.-
+...
5s
eee
e
terete
eee
e
ete
een
eens
4to
13
Adjustment.
Procedures
..ncseecv
eens
pent
scree
ye
eR
ANE
AEE
SEATS
NRE
EH
pula
d
aCe
a
Red
eA
Ee
ees
14
to
15
Adjustment
Location
........
0.
cscs
cei
eeen
eee
eet
oeetee
eters
nitan
eden seer
eb
dene
terete
n
es
16
to
17
Block
Diaeraintics
sacarsge
siege
Podyie
tcc
wate
Sa
ceeded
aed
s
Reso
Wee
pres
e
cece
mapa
ha
aint
ein
st at
18
Schematic
Diagram....-.-..
cece
cee
c
eee
e
cece
eee
cen
e
enter
et an
een
n
eres
e
nna
e
sense
erent
ees
19
to
32
Parts
Layout
on
P.C.
Boards
and
Wiring
Diagram
..-.--
essere
rete
ee
teen
t
nee
ences
33
to
40
Electrical
Parts
List...
0...
0.0
c
cece
cece
eee
ener
nee
enter
rere
tenn
es
41
to
46
Exploded
View
(Cabinet)
........:..ee
eer
ee
eee
ence
ene
n
ener
eee
t
eset
tren
et
reeenn
nee rcn
at
eranees
47
to
48
Cabinet
Assembly
Parts
List
<2.
.20.<
savicnd
bens
ene
Heeb
ge
eat nee
when
e
pit
ren
atin
ak
tee
a
ean
Sie
ee
49
to
50
Packing
Assembly
Parts
List
.....-....-:cenee
seen
eee
eee
ete
reer
e
enn
n
etn
n
tte
e
eee
er
eee
n
ene
e
err
ees
ees
51
Packing:
Method:
VieWedi
cases.
ace
nant
beet
eeune
ake
Rema
tay
Mebater
ne
ee
ase
temtea
ee
ya
14
TON
51
Semi-Conductor
Lead
Indentifications
......-.
eee
eee
ete
ene
es
52
to
63
:
For
American
model
only
(UZ)
:
For
West
German
model
only
(AD)
:
For
Canadian
model
only
(UQ)
:
For
England
model
only
(AG)
Note
:
@
:
For
Japanese
model
only
(JA)
4&4
:
For
General
Foreign
model
only
(EK)
Others
:
Common
nome

D-105U
Specifications
CD
SECTION
SYStEMS
eater
ele
earl
eu
inhnensta
etal
Bahia
ont
ae
ad
Optical
(Compact
Disc
System)
Ovantizine
Bil
NUMber
5
<5-ta-.
ese
ation
mien
el
es
Water
ected
ee
NS
Res
waa
16
Bit
Linear
System
ClhiannelS::
wives
ede
Ria
Mw
ba
damn
eae
hie
tdindaaes
NH
eel
a
ees
ete
2
Channels,
Stereo
PICK-UPieee
crores
as
tedaapiee
dees
metaltlee
a
epee
tied
yd
slgts
che
ddd
eee
Ah
Semiconductor
Laser
Pick-up
Oliteut
VOawe:
21
seewnl
ce
cecal
oemed
ih
ekees
tara
t
aetenets
Rete
inher
teae
ib
ae
cerned
man
es
ase:
2.1V+1dB
Frequency
ReSPOnse......
6.
eee
nnn
enn
eee
eee
n
eee
5~20kHz+
1.6dB
TAA
CL
He),
eects
Seah
ca
tee
he
cues
cal
tals
al
a
tn
ch
nde
raster
ana
onde
ota
bet
dell
ae
0.12%
SUN
Ration
ccvticoeh
cctleia
re
eather
a
cucatitoare
Auta
aie
nobles
tn
cdiccs
ideatennet
cease
te
ces
eect
MER
Ged
AS
Br
tea
2
ae,
96dB
DynamicsRange¢
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eck
ee
eae
ee
wh
ha
gend
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Piha
we
eS
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oh
a
ene
a
a
ee
87dB
Separation:
(LKH2Z)
occ
tanec
de
rea
ee
Faia
ea
bee
Hig
ie
Dacia
Geel
eee
Dat
er
Vie
ashe
Sane
aie
ee
Sig
aN
82dB
Head-phone
Output
Voltage
(CIKAZ:
LOdB/80hM):
sascices
joteeee
tl
Soa
tek
PER
es
dil
55
4
Saeeaate
eye
Ga
Be
tee
mks
130mV+
1dB
Power:Supply.:
02
o.csscanty
fenateenrnata
rhs
Peat
acdsee
si
aeeee
eae’:
AC100V,
50/60Hz
(JA
Model
Only)
AC120/220/240V,
50Hz
(EK/AD/AG
Model
Only)
AC120V,
60Hz
(UZ/UQ
Model
Only)
Power
COnsumMption:
<24
tow
k
sheet
od
fe
Sais
SOR
oes
Saw
cues
Dante
owed
Soe
aa
dona
ine
aig
25W
Semiconductors
..........c
cece
ee
eeees
251C's,
26
Transistors,
40
Diodes,
2
Zener
Diodes,
2
Vacume
Tubes
(AD/UZ/AG/UQ
Model
Only)
251C’s,
26
Transistors,
39
Diodes,
2
Zener
Diodes,
2
Vacume
Tubes
(JA/EK
Model
Only)
Dimension.(WXHXD)
cca
lcsdke
class
eal
ag
Pade
cease
De
a
beer
Mike
bisa
ees
438
X
147
X
342mm
Weighitic..cveisicrdae
er
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dc
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sqa
pa
eeree
fag
ta
re
dete
aroma
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al
Sak
U
hae
enoee
gvmtnmaleata
|
8.5kg
COMPACT
DISC
Tack:
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ehaterteweivts
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ateagls
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Ha
se
Su
date
ieee
1.64m
Modulation:
Frequency.....v.c2-
deen
e
ect
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ayaa
s
Eee
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hed
ns
bed
Bae
areatle
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cee
eae
44.1MHz
Transfer:
Rate
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a
tes
a
eeee
eee
cae
scien
haw
Taw
Ea
san
Weeden
Goede
wend
Ba
nets
4.3218MBit/sec
DEMON
SI
OR
taki
mek
ths
uote’
Sie
tt
Ged
otal
rate
canada
SMart
l
a
ake
at
oe
A
Mari
A
98
cedsd
120X
1.2mm

D-105U
Parts
Locations
and
Disassembly
Instructions
i)
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AnD
i
i.
em
os
Ds
Comme
i
1
SRE
Ae
AD
ih
it
||
spearmint
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eone
|
‘
Figure
1]
<1B)>
i
CAUTION
:
|
RISK
OF
ELECTRIC
SHOCK
:
D0
NOT
OPEN
i
Satis
:
ATTENTION
|
i
RUISQUE
DE
CHOC
ELECTAIQUE
Y
cuariy
NE
PAS
OUVRIR
pxtay
outrun
sonnets
‘on
Figure2
<2)>

D-105U
“display
adjust”
indicator
POWER
button
“remote
sensor”
‘“‘pre-heating’’
button
Disc
tray
Display
“program”
button
“clear’’
button
Number
buttons
(0
to
10
and
+10)
“‘M-Check”’
(memory
check
button)
“edit”
button
“random’’
button
“A-Scan”
(auto
scan)
button
STOP
button
(Ml)
PAUSE
button
(tI)
PLAY
button
(P)
“open/close”’
button
‘“‘A-pause”’
(auto
pouse)
button
“‘repeat’’
button
SKIPUP/SKIP
DOWN
buttons
(PPI/144)
FORWARD/BACKWARD
buttons
(PP
44)
DISPLAY
ADJUST
button
“T-display”’
button
TIME
FADE-OUT
button
FADE-OUT
button
VOLUME
‘‘up/down”
buttons
([Aj[V)
‘‘phones”’
jack
SERIAL
REMOTE
IN/OUT
jacks
DIGITAL
OUTPUT
(COAX.)
jack
DIGITAL
OUTPUT
(OPT.)
jack
VARIABLE
OUTPUT
R/L
jack
FIXED
OUTPUT
R/L
jack
Power
cord
PROGRAM:
Cl
OOGSVOOHSOoOHNOE
cay
=
FADE|OU
FADER
|
Ba
REMOTE
CONTROL
UNIT
RD-105u.
Figure
3
<3
>
@S@QOOSSOSSSOSHSSOGSOVOGOOSO

D-105U
<Cabinet
of
Section
1.
Removal
of
Top
Cover
(1)
Remove
ten
screws
marked
‘‘@’’
as
shown
Figure
4.
(2)
Pull
out
the
top
cover
in
the
direction
of
the
arrow
as
shown
in
Figure
4.
1.
EBOWLA
(1)
lUKDAY“*O’LXALET,
(4HER)
2)
ERX
EMOAMIIISETTHULET.
(4BER)
2.
Removal
of
the
Front
Panel
(1)
After
removing
the
Top
Cover,
open
the
Disk
Tray
and
pull
the
Tray
Panel
in
the
direction
as
shown
in
Figure
5.
Remove
the
Power
switch
knob
as
shown
in
Figure
5.
(3)
Remove
the
solder
(A)
as
shown
in
Figure
6.
Note:
Be
careful
not
to
damage
the
paral-
lel
wires
(29P)
when
removing
the
solder
(A).
(4)
Remove
the
three
screws
marked
“©"’
as
shown
in
Figure
7.
Remove
the
hook
(A)
located
in
the
two
places
as
shown
in
Figure
6.
(6)
Disconnect
all
wires
connected
to
the
follow-
ing
P.C.
Boards:
FL/Keyboard
P.C.
Board,
Tube
P.C.Board
(1)/(2),
Remote
P.C.
Board,
Pre-Heat
SW.
P.C.
Board,
Head-
Phone
Jack
P.C.
Board.
The
Front
Panel
can
now
be
removed
with
the
following
P.C.
Boards
in
place:
FL/Key-
board
P.C.
Board,
Tube
P.C.
Board
(1)/(2),
Remote
P.C.
Board,
Pre-Heat
SW.
P.C.
Board,
Head-Phone
Jack
P.C.
Board,
Fade
P.C.
Board.
(2
~~
(5
~
(7
~
2.
FOYEAANOKALA
(1)
EBeALKER,
FA
AZ
bvVARA-TFYL,
best
AAVEKAOAACALED.
(5
BR)
(2)
NIRA
VFYVEEALET,
(5M)
(3)
FHAZALES.
(6
Mi)
tt)
KHAEATEH,
SSVI
4
Vv
—
(29P)
258
BLABVOCTHERLTFSWs,
(4)
380OAY
(OFM)
EMXLED.
(7H)
(65)
2HPO7ZY7AEALEF.
(6
SHA)
(6)
FL/Key
Board
i
*
Tube
#4
(1)//(2)
-
Remote
4
4%
*
Pre-Heat
SW
£4
-
Head-Phone
Jack
HRIALD
ERMDSIEMSETOIAV-ERXLET.
(7)
WMEC7aY
b-SAVId
FL/Key
Board
4
Tube
#
#R(1)//(2)
«
Remote
4K
-
Pre-Heat
SW
2£i&
+
Head-
Phone
Jack
Si
-
Fade
BROBBRA
HT
372
KET
AT
CEBCEET,
—-6-
Figure
4
<4
[>
Power
Supply
P.C.
Board
Front
Pane!
Tray
Panel
Figure
5
(5
[Xp
Power
Switch
FL/Key
P.C.
Board
Tube
P.C.
Board
(2)
Pre-Heat
SW
P.C.
Board
Solder
(A)
Hook
(A)
Main
P.C.
Board
Figure6
<6
[XD
Power
Suply
P.C.
Board
vi
al
Panel
©)
©)
Buttom
Case
Figure?
<7

D-105U
3.
Removal
of
the
CD
mechanism
(1)
After
removing
the
Front
Panel
remove
the
Power
Supply
P.C.
Board
he
screws
marked
‘‘X’’
as
shown
in
Figure
Front
panel
(2)
Disconnect
all
wires
connected
to
the
CD
mechanism.
(3)
the
CD
mechanism
can
now
be
removed.
3.
CDXA=KLOALA
(1)
FOYVENAVEALKER,
SROAY
(XE)
EAL
ES,
(8
BR)
(2)
CD
AHA
KLIIWEMAZSCOIAV-ENLET,
(3)
DLECCD
AH=KABHANETF,
Main
P.C.
Board
|
CD
Mechanism
Rear
Cover
4.
Removal
of
the
Main
P.C.
Board
(1)
After
removing
the
Top
Cover,
remove
the
seven
screws
marked
‘‘A’’
as
shown
in
Figure8
¢
8
&4>
Figures
6
and
8.
(2)
Hold
down
on
‘A’’
(see
Fig.
9)
and
remove
A
f
N
P.C.
Board
support
(C)
as
shown
in
Figure
8.
(3)
Disconnect
all
wires
connected
to
the
Main
;
Main
P.C.
Board
P.C.
Board.
(4)
The
Main
P.C.
Board
can
now
be
removed.
4,
MAIN
#ROWLA
1)
EBPALKEK,
TADAY
(AFM)
EALES.
(6,
Boe
Beard
Support
(C)
Figure9
<9
p>
8
Eze)
Remote
(2)
ABBE
L
tats
(9
MER)
Bint
K-—hOLALE
FL/Keyboard
P.C.
Board
Tube
P.C.
Board
(2)
P.C.
Board
tT.
(8
4ZIR)
5
ve
x
Bracket
(3)
MAIN
BiRiCDEBSATOTIAV-e@HLET,
Tube
(4)
LLEC
MAIN
BRANES.
5.
Removal
of
the
FL/Keyboard
P.C.
Board
(1)
After
removing
the
Front
Panel,
remove
the
two
screws
marked
‘‘yy’’
as
in
Figure
10.
(2)
Remove
the
hook
(D)
in
the
fifteen
places
as
MW’
Hook
(G
shown
in
Figure
10.
Hook
(D)
yore)
(3)
Disconnect
the
6P
connector
connected
to
Fade
P.C.
Board
the
Fade
P.C.
Board.
aa
/
Figure
10
<10&>
(4)
The
FL/Keyboard
P.C.
Board
can
now
be
pore
removed.
Bracket
Tube
5.
FL/Keyboard
BROALA
Tube
P.C.
Board
(2)
a
ere
(1)
FOYERARVERLKEE2ZROAY
(WAM)
EHALE
\
Fo
(ORAS)
|
bk
B
(2)
ISMO7y7DeALEF.
(OME)
(3)
Fade
HRI
DeASZ
1
OOIARZYH—
(GP)
EH"
To.
|
(4)
JAC
FL/Keyboard
BRANES,
P.C.
Board
Support(F)
Tube
P.C.
Board
(1)
Figure1l
<11&)
Figure
12
<12B>

D-105U
6.
8.
Removal
of
the
Fade
P.C.
Board
(1)
After
removing
the
Front
Panel,
remove
the
hook
(E)
in
the
six
places
as
shown
in
Figure
10.
(2)
Disconnect
the
6P
connector
connected
to
the
FL/Keyboard
P.C.
Board.
(3)
The
Fade
P.C.
Board
can
now
be
removed.
Fade
HIROMLA
(1)
FOVENAVENRULKE,
6HMOZY7IBEAL
EF,
(LOKIZRR)
(2)
FL/Keyboard
#iiZ
D234
1
DOA
RZI—
(6P)
RALET.
(3)
DLEC
Fade
BRIZANET.
Removal
of
the
Tube
P.C.
Board
(2)
(1)
After
removing
the
Front
Panel,
hold
down
on
“B’’
(see
Fig.
11)
and
remove
the
P.C.
Board
support
(F)
as
shown
in
Figure
10.
(2)
Disconnect
the
two
6P
connectors
con-
nected
to
the
Tube
P.C.
Board
(2).
(3)
The
Tube
P.C.Board
(2)
can
now
be
removed.
Tube
(20H
ULF
(1)
FOV
bSAVEAL
RA,
BADAHL
2086
(11
BR)
BRT
K-PMEALES.
(OMS)
10)
Tube
BM(INCDUMS
IDO
AARTI—
(HEHE
P)
£3(kKxET.
(3)
DLETC
Tube
HAR(2)t
TET.
Removal
of
the
Tube
P.C.
Board
(1)
(1)
After
removing
the
Front
Panel
and
Tube
P.
C.
Board
(2),
remove
the
four
screws
marked
‘'*"'
and
the
Tube
retainer
as
shown
in
Figure
10.
(2)
Remove
the
Push
rivet
shown
in
Figure
12.
(3)
The
Tube
P.C.Board
(1)
can
now
be
removed.
Tube
HRK(DOAL
A
(l)
For
bhNAVE
Tube
SR2AEALKER,
4EOR
Y
OKED)
RAL,
Fa-7FRASREALET.
(10
(2)
1HOPy
vary
bheALET.
(12HBR)
(3)
LAE
C
Tube
BRANES.
Removal
of
the
Remote
P.C.
Board
(1)
After
removing
the
Tube
retainer,
remove
the
hook
(G)
in
the
two
places
as
shown
in
Figure
10.
(2)
The
Remote
P.C.Board
can
now
be
removed.
Remote
ROH
LA
(l)
Fa-FRHSREALKE,
2GMO7y
7OeH
LET.
(OMS)
(2)
LAE
TC
Remote
BRILHHET.

1.
<CD
Mechanism
Section>
Removal
of
Disc
Tray
(1)
Pull
out
the
disc
tray
in
the
arrow
direction
by
pressing
slant
position
of
the
disc
tray
as
shown
in
Figures
13
and
14.
(2)
After
disengaging
one
claw
(A),
remove
the
switch
arm
as
shown
in
Figure
15.
(3)
Spread
two
claws
(B)
toward
outside
at
the
both
sides
of
the
disc
tray
and
draw
out
the
disc
tray
as
shown
in
Figure
14.
FARDPEPVADKHLA
(1)
FA
AT
hvVAOBMADEHL,
FT1ATZ
bE
KAMAMICS|SHF.
(13,
14s)
(2)
IMEAL,
AL
VF
T-ARALETF.
(152)
(3)
FLATKVA
MHA
FOMBXMAMNICHL
LWT
FAAM
HVA
KISKAET,
(UME)
Removal
of
Clamp
Arm
(1)
Remove
one
spring
between
the
main
chas-
sis
and
the
clamp
arm
as
shown
in
Figure
13.
(2)
After
pulling
out
the
disc
tray
frontward,
remove
the
clamp
arm
by
pressing
one
claw
(C)
as
shown
in
Figure
14.
DIVA
TI
—-LOWALA
(1)
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LRAMOZHL
eat
BIFYSP-DERLET.
(MMS)
D-105U
Clamp
Arm
Disc
Tray
gil
Spring
main
Chassis
Figure
13
<13f1>
Main
Chassis
Claw
(B)
Disc
Tray
Clamp
Arm
Claw
(C)
Claw
(B)
Draw
the
disc
tray
out
Figure
14
<14—D>

D-105U
Removal
of
Optical
Pick-up
Arm
(1)
After
removing
three
screws
marked
“©”,
remove
the
sub-chassis
as
shown
in
Figure
15.
Note:
When
three
screws
are
removed,
three
springs
(one
is
black)
appear
under
the
damper
bush.
When
as-
sembling
the
sub-chassis
put
the
black
spring
into
the
place
marked
ae
ae
(2)
While
pressing
two
claws
(D)
in
toward
pull
out
two
shafts
in
the
arrow
direction
as
shown
in
Figure
17.
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VIP
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(1)
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2)
27ROMOSMAKCAMICHL
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ES.
(17MB)
Removal
of
Spindle
Motor
(1)
By
grasping
plastic
part,
lift
the
disc
table
straight
up
without
applying
pressure
to
metal
part.
Note:
For
assembling
the
disc
table,
insert
the
disc
table
with
pressure
so
that
the
height
from
the
disc
table
top
to
the
sub-chassis
surface
becomes
19.
9+0.1mm
as
shown
in
Figure
18.
(2)
Remove
two
screws
marked
‘“‘X"’
as
shown
in
Figure
17.
AEYEME-FY-—OHALA
(l)
FA
AT
F-TFUVEBABD
NE
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&
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te
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DI
CLIT
SREET.
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HPoFrr«rzar7F-TFWNOLMETOMES
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(18H
iQ)
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2HOAY
(Xl)
FALE.
(17MER)
=
40
=
Sub-Chassis
4
optical
Pick-up
Limit
Switch
P.C.Board
Slide
Motor
wx
O
Switch
Arm
Claw
(E)
+
yy
1
i
1
Claw
(F)
re
Claw
(A)
-
i
Claw
(F)
Loading
Motor
Spindle
Motor
Disc
IN/OUT
Switc
Figure
15
<15k>
Disc
Table
Sub-Chassis
Figure
16
<16B4>

D-105U
Removal
of
Slide
Motor
(1)
Remove
one
screw
marked
‘‘A”’
and
lift
up
the
motor
as
shown
in
Figure
15.
ROARK
E-F-ORLA
(1)
1AOAY
(AF)
FHL,
LKRELVED.
(15
Shafts
BHA)
6.
Removal
of
Loading
Motor
(1)
Remove
one
belt
and
two
screws
marked
“C}
as
shown
in
Figure
14.
6.
O-F4YVAFE-Y—-OKALA
(1)
SVbhEAL,
2ROAY
(OE)
FHLEF.
(14M
BHR)
rarer
loa
Sub-Chassis
Optical
Pick-up
=
“Giaw
(D)
Figure
17
<17E>
7.
Removal
of
Limit
Switch
P.C.
Board
(1)
Remove
two
claws
marked
“‘E’’
as
shown
in
Figure
15.
7.
VE
YbhAtYFRROALA
(1)
27HOMHe7ALEF,
(15EBiR)
Disc
Table
Removal
of
Disc
IN/OUT
Switch
P.C.Board
8.
(1)
Remove
three
claws
marked
‘‘F’’
as
shown
in
Figure
15.
19.9+0.lmm
8.
#4
AZ
IN/OUT
A4
YF
BROALA
(1)
37AIOMMeALET.,
(15RlZsh4)
eS
Sub-Chassis
Figure
18
<18>

D-105U
<Service
Notes).
1.
Notes
on
Laser
Diode
Emission
and
Focus
Remove
the
Clamp
Arm
Search
Operation
Check
(See
Disassembly
Instruction
of
Clamp
Arm)
(1)
Caution
when
checking
Laser
Diode
emis-
sion.
DAVIS
—LERY
RS
The
laser
beam
on
this
model
is
concen-
,
;
(FAVS
ST
-LODBAKORER)
trated
so
as
to
be
focused
on
the
disc
reflec-
tive
surface
by
the
objective
lens
in
the
optical
pick-up
block.
Therefore,
when
checking
the
laser
diode
emission,
observe
from
more
than
30cm
away
from
the
objec-
tive
lens.
Check
of
the
Laser
Diode
And
Focus
Search
Operation
With
no
disc
loaded
and
the
disc
tray
closed,
when
switching
the
power
on,
check
that
the
operation
as
shown
in
the
below
Figure
19
is
performed,
by
observing
the
objective
lens.
@0Optical
pick-up
moves
in
outer-circle
and
inner-circle
directions.
@Laser
beam
emits
spreadingly.
@The
objective
lens
perform
up-and-down
three
times.
(2
~
Objective
Lens
Optical
Pick-up
1
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2.
Caution
For
Electrostatic
Breakdown
[Notes
on
Handling
The
Base
Unit
(KSS-
152A)]
The
laser
diode
in
the
optical
pick-up
block
may
suffer
electrostatic
breakdown
because
of
the
potential
difference
generated
by
the
charged
electrostatic
load,
etc.,
on
clothing
and
the
human
body.
The
following
notes
are
examples
for
reference
purposes
:
@Perform
repair
with
ground
ring
on
the
hands
and
a
conductive
gum
mat.
(Grasp
the
slide
base
when
handling.
@When
removing
the
pick-up
arm
shortcircuit
by
soldering
as
shown
in
the
Figure
20
below
and
then
remove
the
connector.
@When
mounting
the
pick-up
arm,
after
insert-
ing
the
connector,
remove
the
soldered
short-
circuiting.
Notes:
For
making
and
removing
the
short-
circuit,
be
sure
to
use
an
iron
with
its
metal
part
grounded
or
it’s
insulation
resistance
is
higher
than
10M
ohms
(DC
500V),
and
the
tip
temperature
is
lower
than
320°C.
The
soldering
and
desoldering
should
be
made
quickly.
MR
WIC
Ol
TOE
[KSS-152A
OLE
REY
77
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D-105U
Optical
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Objective
Lens
Shortcircuit
by
soldering
Figure
20
<20E4>
=
Slide
Base

D-105U
Adjustment
Procedures
1.
Compact
Disc
Section
ve
oo
DC
Voltmeter
1
t
=
Test
CD
Set
Figure
21
<21B)>
Oscilloscope
(©)
—
Test
CD
Set
Figure
22
<22E)>
AC
Voltmeter
(©)
—
Test
CD
Set
Figure
23
<23>
T.P.6
(T.P.5)
T.P.7
(T.P.8)
(@)
—
Test
CD
Oscillator
2
pointer-AC
Voltmeter
Fi
24
<24>
(2)
Control
Settings
igure
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Switch
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ON
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Test
CD
Use
the
2nd
trak
on
the
SONY
YEDS-18
CD
or
A-BEX
TCD-782
CD.

‘(2)
AL
yvFROrLyY
bre
D-105U
(4)
Adjustment
Procedures
rom)
=
Take
measurement
of
the
voltage
at
the
;
T.P.1.
Then
adjsut
VR202
so
that
the
Figure
21
}
shown
on
Fig.
25.
output
voltage
at
the
T.P.2
becomes
1/2
After
shortcircuiting
between
T.P.4
and
.
T.P.5
and
turning
VR204
fully
counter-
3
Dee
Error
Figure
23
‘:
clockwise,
adjsut
VR203
so
that
the
volt-
Adiastmeant
8
ye
age
is
OV+50mV.
}
po,
After
the
adjustment
set
VR204
to
its
center
position.
of
the
voltage
at
the
T.P.1.
Adjust
VR201
so
that
the
waveform
of
[RS
[ree
|
ad
[etn
Adjustment
100mV
T.P.7
voltmeter
come
at
the
same
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ay
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nce
Adjustment
100mV
T.P.9
voltmeter
come
at
the
same
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on
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ern
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SONY
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(4)
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BEEOS
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&
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iz
VR205
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100mV
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LET.

D-105U
Adjustment
Location
Main
P.C.
Board
(Component
Side)
AD/UZ/AG/UQ
model
Figure
26
<26E4>

Main
P.C.
Board
(Component
Side)
JA/EK
model
Figure
27
<278)>
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D-105U
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NOTE
1.All
resistance
values
are
in
ohms.
K=1,000
M=1,000,000
1
Ic’s
2.All
capacitance
values
are
in
microfarads.
Pe
1,0.0.05,0.0°0
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aQ101
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x
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