Luxman D-105U User manual

SERVICE
MANUAL
Compact Disc Player
D-105U
r so I SCE VEE I RRNA SARL RR I NRE RRR NOE NORTON ELEY
LUXMAN SORA EAE LY
oars

Contents
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Bs
3
Parts
Locations
and
Disassembly
Instructions
....-.-.-
+...
5s
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4to
13
Adjustment.
Procedures
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ANE
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SEATS
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Red
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ees
14
to
15
Adjustment
Location
........
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es
16
to
17
Block
Diaeraintics
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Podyie
tcc
wate
Sa
ceeded
aed
s
Reso
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18
Schematic
Diagram....-.-..
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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...
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41
to
46
Exploded
View
(Cabinet)
........:..ee
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47
to
48
Cabinet
Assembly
Parts
List
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when
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ee
49
to
50
Packing
Assembly
Parts
List
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51
Packing:
Method:
VieWedi
cases.
ace
nant
beet
eeune
ake
Rema
tay
Mebater
ne
ee
ase
temtea
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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¢ <i se0 sida eck ee eae ee wh ha gend aie Piha we eS eGNG 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 ideein dc ewe aad sqa pa eeree fag ta re dete aroma aeasis al Sak U hae enoee gvmtnmaleata | 8.5kg
COMPACT DISC
Tack: PitCh> cccsiesis. oe.cenlestetaigetinis ehaterteweivts acnina ateagls gwd potandldos pee tate Ha se Su date ieee 1.64m
Modulation: Frequency.....v.c2- deen e ect eee ayaa s Eee eee hed ns bed Bae areatle aed cee eae 44.1MHz
Transfer: Rate cs-icpiscctacascsacse 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
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RISK OF ELECTRIC SHOCK :
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: ATTENTION | i
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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 >
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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.
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(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 #
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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
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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
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(2) CD AHA KLIIWEMAZSCOIAV-ENLET,
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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 \
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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
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BADAHL
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(11
BR)
BRT
K-PMEALES.
(OMS)
10)
Tube
BM(INCDUMS
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£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
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vary
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(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.
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(1)
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AT
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(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)
RA
VY
R—VEDIYTI-BEEEDTWISNA
EALET.
(13H)
(2)
FAAT7bhVA
eA
MICS
SH
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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(151338)
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27ROMOSMAKCAMICHL
25,
2RO
YeThERMOAMITSARA 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 Ait & id te CTE
DRASROMAK DI CLIT SREET.
WE) FA RVIF-TFVOMUH, HF Y+-VE
HPoFrr«rzar7F-TFWNOLMETOMES
19.9+0.1mm Of7IZTEALTFas, (18H
iQ)
(2) 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>