QUAD QauAD66 Mounting instructions

'.-
\at
'5
auAD66
Compact
DiscPlayer
Service
Data
QuadElectroacoustics
Ltd
St.PetersRoadHuntingdon
Cambs
PE18
7DBEngland
Telephone
048052561
Fax
0480
413403
-r OSCDIED

ü coNTENTS
QUAD
66CDservice
data
Page
4
5
6
7
7
7
-
Introduction
-
Specification
Brief
Operation
CDPlayer
SimpleBlock
Diagram
Service
Hints
Dismantling
For
Service
Removing
Top
Cover
Removing
Rear
Panel
Removing
Front
Panel
Removing
Display
Board
Removing
PCB
CompleteWith
CD
Mechanism
CDPlayer
Layout
Replacing
CD
Mechanism
Replacing
Display
Bulbs
Changing
Mains
Voltage
Voltage
Measurements
and Adjustments
Laser
Current
Focus
Offset
Power
Supply
Circuit"Diagram
CDDisplay
CircuitDiagram
CD
Mechanism
Exploded
View
CD
CircuitDiagram
GDPlayer
Exploded
View
Parts
Lists
Mechanical
Accessories
8
8
8
8
9
10
11
11
12
5
12
12
13
13
14
15
16
17
17
18
18
v
Miscellaneous
page
3

QUAD
66CD
service
data
3
INTRODUCTTON The
Quad
CD
player
is
designed
fortheserious
musiclistener.
lthas
the
minimum
number
of
controls
and
funclionsontheassumption
thatthe
serious
music
listenerwishesto
hearmusic
in
the
order
inwhichitwas
writtenand
willnormallystart
fromthe
beginningof
adisc.Howeversimple
programming
permits
tracks
tobeselected
and
played
inanysequence.
The
player
discdrawer
willaccept
compactaudio
discs
in
the
'normal'
and
'CD
single'
format
withoutanyspecial
adapters.
Themainoperating
controls
areseparated
fromthe
player
andall
major
functionsareavailable
viaa
remotecontrol
unit,acompact
hand
held
type
being
suppliedas
standard
More
than
one
remotecontrol
canbeused
and
itisnotnecessarytopoint
theunit
attheCD
player
as
isoftenthe
case
PerformanceoftheQuad
CD
player
isasaccurate
asitis
possible
to
achieve
bycareful
design,
selectionof
componenls
andrigoroustest
orocedures.
BRIEFOPERATING o Switchon.
INSTRUCTIONS O Press
drawer
button.
Thedrawercompartment
willopen.
a Placedisc,
labelside
up,
in
drawer
compartment.
a Gently
push
frontoldrawer.
ltwillcloseby
itself.
a Thedisc
willnowstart
to
play
fromthebeginning
O Forfullremote
control
operation
andtrack tt
programmingrefertoappropriate
section
ofinstruction
book.
page4
v

0 sPEcrFrcATroN
Main
Unit OPeration:
ü
tr
\J
QUAD
66CDservice
data
Fullfunction
byinfraredremote
control
or
simpledirect
toplay
operationwithout
remote
control.
Number
ofchannels: 2
Frequency
response: 20- 20,000
Hz.
Amplitude
linearity: +/-
0.1dB 20
- 20,000Hz.
Phaselinearity: +/-
0.5deg20
-20,000
Hz.
Dynamic
range: 96dB 20
- 20,000Flz.
Signal/noiseratio: 96dB 2A
- 20,000Hz.
Channel
separation: 93dB 20
- 20,000Hz.
Totalharmonic
distortion: 0.003% 20- 20.000Hz.
Wow
and
flutter: Below
measurementlevels.
DiA
conversion: Quadruple
oversampling
(176.4kH2)
with
digital
filter
andtwo16-bit D/A
converters.
Error
correction
system: Cross interleaved
Reed
Solomon
Code
Audio
Output:
(crRC).
2V rms
max.
300
mV
on
normal
programme
material.
Minimumloadimpedance
10
kO.
Optical
readout
system: Laser
semi-conductorA/GaA
wavelength
800
nm.
Samplingfrequency. 44.1kHz.
Digital
output: For
digitalsignal
processors.
Remote
control
Interface: RC-s
system.
Mainsvoltage: 1
'10V,127V,220V,240V
(changed
by
links
on
PCB)
50-60
Hz. See
rating
plate
on
player
back.
Power
consumption: 25W
approx.
Dimensions: Width
321
mm;height
80
mm;
depth
275
mm. approx.drawer
opens
by
145
mm
approx.
3.5
kg
approx.
\y
Weight:
page
5

QUAD
66CDservice
data
RemoteControl l System:
Dimensions:
Weight:
Battery
life:
Battery
type:
Infrared.
Width
48mm;length174mm;
thickness
22mm approx.
1009
(inc
batteries)approx.
One
year
approximately
with
normal
operation,usingalkaline
cells.
ThreeAAA
size
alkalinecells.
Therightis reseruedto alterperformanceand specificationsas required.
CD
Player
Simple
Block
Diagram
Thiscompactdiscplayer complieswiththeradiointerterencerequirements A
as taiddownin EEC (EuropeanEconomicCommunity)
regulations. !
t
CD MECHANISM
QCDMECH
MAINPCBQCDPCB1
page
6
AUDIOOUTPUT MAINSINPUT
v

*J senvrcE
HINTS
ElectrostaticPrecautions
(ESD)
DISMANTLINGFOR
SERVICE
Top
Cover
(Fig
1)
Fig
1.
UnderneathView
s
QUAD
66CDservice
data
Warning
avoiddirect viewingof the laser
otherwiseirreparable
damagemayoccur to theeyeretina.
All
thelC's fitted
and
most
ofthe
semiconductors
aresusceptible
to
electrostatic
discharges
(ESD).
Carelesshandling
during
repair
can
destroythem,
ordrasticallyreduce
theirlife.
when repairing,
make
sure
you
areconnected
to
thesame
potential
as
the
mass
of
theCD
player
via
awrist strap
with
aresistor. Also
keep
components
and
toolsatthis
potential.
Surfacemounted
chip
componentsareusedin
thisequipment.
Should
any
servicing
becarried
outatcomponentlevel
then
thecorrect
precautions
must
beobservedwhen
removing
and
replacing
these
components.
Note:
Please
ensure
anyspacing
washers
used
are
refitted
onassembly.
Simple
servicing
can
becarriedoutbyremoving
thetopcover.To
gain
full
access
tothemain
assembliesandto
remove
the
CD
mechanism
both
the
rear
panel
and
front
panel
shouldalso
be
removed.
Disconnect
from
the
mains
supply.
a) Remove
the
4 screws
marked
(A)
and
lift
off. These
are
accessiblefrom
beneath
the
unit.
Note
on
reassembly
thatthecover
will
onlyfit
oneway
round.
n-O
TRAI{$T
SCREWS
\o
@-r L-@
'F
page
7

QUAD
66CD
service
data
Rear
Panel
(Fig
2) a) Removethe
2 screws
(B)
fromtheback. t '
b) Removethe
4 screws
(C)
fromthe
inside
,2lo eachside
bracket,
together
with
washers.
c) Lift
the
rear
panel
off
by
gently
pulling
it
backwards.
Front
panel
(Fig
2) a) Removescrew
(G)
through
the
display
PCB,taking
care
to
remove
the
spacing
washer
between
the
display
and
the
front
panel.
b) Removethe
4screws
(F),
together
with
washers,
2toeach ofthe
side
brackets.
c) Lift
off
the
panel.
Notethat
the
drawer
button
isloose
and
willcome
out
withthe
Panel.
Removing
Display a) Removetop
cover
and
front
panel.
Board(Fig
2) b) Unplug
theconnectors
(D)
and
(E).
c) Remove
2screws
(H)
d) Remove
spring
clip
(42),
notfittedto
early
models
(see
exPloded
view)
e) Carefully
lift
out
the
complete
display
assembly,
ifnecessary
remove
side
ratl.
Removing
pCB Toremovethe
main
PCB
and
CD
mechanism
(on
early
models)the
drawer
Complete
Witn
CO tray
has
to
betaken
out
to
allow
access
toone
of
the
retaining
screws.(T),
Mechanism
(Fig
2) on
later
versionsthis
isaccessible
withthedrawer
fullyopen.lfnot
proceed
as
follows:-
a) Follow
dismantling
procedure
as
explained
above.
b) Gently
slide
the
drawer
out
as
far
as
possible.
c) Lift
flap
(J)
and
swivel
itover
toallow
it
tolay
onitsback.Take
care
nottodisengage
either
ofthe
pivot
points
(P)
orthe
spring
(S).
(note
that
the
spring
maybe
fittedtoeither
side
ofthe
mechanism).
d) Grip
thedrawer
at
the
front,
withthe
fingers
underneath
to
prevent
the
disctray
from
falling
out,
and
slide
itfullyout,
tilting
itdownwards
once
it
has
cleared
the
rearslider
bearings.
Remember
to
laythedrawer
upside
down
otherwise
thedisc
tray
will
drop
out'
e) Removethe
6screws
(L),
2of these
are
accessible
fromunderneath
theuinit
(see
Fig
1),andthe
4screws
(K)
through
the
mains
transformer,
also
the
frontscrew
(T)'
f) The
complete
assembly
can
nowbe
liftedout.
t
t
page
8
?

Fig
3.
TopView
(cover
removed)
QUAD
66CD
service
data
s
J'
page
9

QUAD
66CDservice
data
Replacing
CD First
remove
the
mainPCB
assemblycomplete
as
shown t
Mechansm
(Fig
3) a) Lary
iire
assemblyupsicle
downand
remove
the
2screws
(N).
b) LiftPCB
andcarefullyunplugthe
flat
cable
(V)
andthe2 connectors
(W)
and
(X),(See
exploded
view).
Note: The
socket
(v)
is
a lockable type. Lift
theouter
shroud
torelease
and
push
it
downto
lock.
c) The
CDmechanism
can
now
be
removed
and,
ifnecessary
replaced.
Shouldthe
CD
mechanism
be
replaceditisimportant
that
the
focus
adjustment
and
laser
currentare
setasshown
onpage
(12).
d) Toreplace
the
mechanism
secure
theCD
mechanism
to
the
main
PCB
with
thetwoscrews
in
the
front
pillars
ensuring
any
spacing
washers
are
correctly
fitted.
Front
Fig
3. Underside
View
of PCB
Note: Whenreplacing
theCD
mechanism
ensurethattheswitch
link
assembly
is
correctlyengaged.Onearly unitstheswitch
rod
may
be
glued
tothe
plastic
switchconnector,toseparatetheswitch
linkmechanism
itmay
benecessary
toexertatwisting
pressure
betweentherod and
connector.
Onlater
modelsrubber
adjustment
rings
are
fitted
beneath
the
front
screws
ontheCD
mechanism,
toallowaccuratedraweralignmentwithin
the
front
aperture.
l_
t.
?
a)
( ,1ri)
v
a)
^
.'"
ö
N..
oo
o
a)
\_-,/
a)
page
10

tTo Replace
Display
Bulbs
(Fig
4)
Fig4. DisplayPCB
(underside
view)
Changing
Mains
Voltage
lmportant
Ensurerating
plate
showscorrect
voltage.
These
areaccessible
from
theundersideofthedisplay
PCB,
as
shown
below.
Turn
the
plastic
bulbcapapproximately
114
turnanticlockwise,
torelease, and
lift
out. These canbe
quite
tight.Whenrefitting
please
ensurebothbulbs
areturned
ll4turnclockwise
toengagecorrectly.
The
Quad
CDPlayerisnormally supplied
for2201240V
acoperation.For
110/127V
operationthe
mains
transformercanbesetby
wirelinks
onthe
mainPCB,
the
mainsinput
power
fusemust
alsobe
replacedwith
the
correct
rating.Facilities
are
provided
for
operation
fromfour
different
voltageranges,110V,127V,220V
and
240V.Howeverin
practice
the
127V
and
240V
settings
are
suitable
formost
applicationsbut
for
'100V
supplies
(Japan)
the
110V
tapsshouldbeused.
a) Removemain PCB
assembly
asshown
in
'Dismantling
For
Service'.
b) Solder
links
as
shown
belowand
fit
correctly
ratedfuse:-
2201240V 160mA
delay
part
number
UMA16DA
1101127V
315
mA
delay
part
number
UMA315D
QUAD
66CDservice
data
J
t
Front
v
pagel
1

QUAD
66CD
service
data
VOLTAGEMEASUREMENTS
AND
ADJUSTMENTS
Fig
5. Adjustment
Points
Main
PCB
(top
view)
Warning - Direct viewing of the laser to be avoided.
a) Equipment
Required 1
.DVM
ofatleast ZO
kelV
.
2.
Hexagonal
trimming
toolfor
adjusting
laser
current
andfocus
offset.
3.
Philips
testdisc
5.
b) DCPower
supplies
voltage measurements
Reference
should
be
made
tothe
circuit
diagrams
opposite.
Allvoltages
withrespect
toground
0V.
c) Laser
CurrentAdjustment
(see
fig 5)
Using
track1
ofthe
Philips
test
disc
5,adjustR3520
to
give
50mV
DC
+107o
across
R3501
(TP1
and
TPZ).
d) Focus
Adjustment
(see
fig 5)
Using
track
1
of
Philips
testdisc
5,adjustR3569
to
give
400mV
DC
t10% betweenTP3
and
TP4.
This
now
completes
allthe
Adjustments
necessary.
I
I
t
CHASSIS
OV
CONNECTION
Front
*(un 2^
üs
o
page12
t

QUAD
66CD
service
data
{p
!
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56
58
21
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R3
68K
TI
BC|84K
CD
DisplayCircuit
Diagram
(2195
-
1.
CD)
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t--o-
a
a
! -<,._
a?3
\_{L ?:a
aa
h,
P-
PowerSupplyCircuit
Diagram
(3104
-108
-6294 -130 -
2)
page
1
3

QUAD
66CDservice
data
I
e-
s--
113
114
116
117
118
119
121
F
q*
r--#-_ 2:- t22
-al
123
ComponentList
ref item
101 Drawer
103 Cushionmount
104 Tray
105 Drive
belt
106 Pulley
107 Guide
pin
108 Cushion (drawer)
109 Guide
pin
110 Tray
roller
111 Lever
112 Tray
spring
clty
1
7
1
1
1
1
1
1
2
1
1
ref item
13
14
16
17
18
19
21
22
23
24
26
106
-
CD
Mechanism
ExplodedView
Wlr 124
*y
blaJll
-ED F
L ,za
qtv
CD
flap 1
Flap
spring 1
Roller 2
Bearing 1
Tension
disc 1
Spring
(mount) 4
Spring
guide 4
Spring(motor) 1
Tray
motor 1
Tray
lever 1
Tray
lever
spring 1
page
14

-b ORDERING
SPARE
PARTS To
allow
formodificationsetc.
pleasequote
component
reference,value
anddescription
as
well
asthe
part
number,when
orderingspares.
Also
product
model
and
serial
number.
MECHANICAL
PARTS
(EXPLODED
VIEW)
QUAD
66CD
servicedata
.b
U
Ref Description Qty PartNo.
1
2
3
4
5
6
7
I
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
CD
front
panel
assembly
Sidebracket
Screw
M3xGmm
Sup
Pan
St
CD
Mains
switch
link
Drawerfront
grey
CD
mains
connector
Fuse2201240V160
mA
delay
Fuse1101127V
315
mA
delay
Rubber
adjustment
ring
Screw
M3x8mmSup
Pan
St
Bzp
Screwdrive
4x10
mmAB
CD
player
mechanism
Screw
M3x45mmPos
PanHdBzp
Belleville
copper
washer
Washer
684 Plated
StBzp
Mains
transformer
'1
1
0-240V
Mains
transformerCSA
version
120V
Coverassembly
(with
damping)
Flex
connector3way
Screwdrive
4x10
mm
Csk
Pos
Flex
connector6way
Flex
connector
7 way
Rear
panel
(screened)
Soldertag
M3
NutM3Hex
St
Bzp
Shakeproof
washer
M3
St
Int
MainPCB
Plainrubberinsert
forfoot
CDchassis
Coverscrew
M3x10
mm
sup
pan
Display
assemby
(complete
PCB)
Screwdrive
4x6
mm
pan
black
Transit
screw
RHthread
(silver)
Transit
screw
LH
thread
(gold)
Screwdrive6AxG
mm
pan
black
Windowmask
Bulbs
(backlit
display)
Window
(front
panel)
Drawer
open/close
button
Escutcheon
(open/close
Button)
Receiver
assembly
Receiver
retainer
(early
models)
Drawer
open/close
switch
Drawer
open/close
switch
incPCB
Mains
on/offbutton
Clip
(switch
PCB
assy
toCD
mech.)
1
2
17
1
1
1
1
1
2
2
3
1
4
4
5
1
1
1
1
1
1
1
1
1
1
13
1
4t5
1
4
'1
2
2
2
2
1
2
1
1
1
1
1
1
1
1
'1
QCDFPAG
M221924
TM306PA
M215514
M21543G
M459934
UMA16DA
UMA315D
M20172M
TM3OSPA
TC41
OPF
QCDMECH
TM345PA
TD73206
TDB6NPA
LXCDEUR
LXCDCSA
Q66COVG
QCDCA83
TC41
OCB
QCDCAB6
QCDCABT
MCDRPSl
FTM331A
TM3FHPA
TDM3NLA
QCDPCBl
M20172A
M215054
TM31
OPA
QCDDISP
TC4O6PA
M221114
l\422111X
TC6O6PB
\4222914
BB515MB
MCDDWIP
M21153C
MCDDW2S
QCDREMR
ATO503A
S44INPA
OCDPCBS
M2137
4A
FC0021A
b
page
17

QUAD
66CDservice
data
ACCESSORIES
MISCELLANEOUS
T
Ref Description Qty Part
No. --
1
2
3
4
5
6
Remote
controlunit
(R1)
Battery
1.5V
AAA
size
Mainslead
(0.6m)
assupplied
Mainslead
(1
.5m)free
end
Signal
lead
Phono
(0.5m)
assupplied
Signal
lead
Phono
(1m)
1
3
1
1
1
1
QCDREMA
N1
VsAAA
QSPRSO6
QRS1
MsA
QP2P2SA
QP2P21A
Ref Description Qty PartNo.
1
2
3
4
5
Screw
kit
(inc
coverscrews) | 1
carton66/CD i 1
CD
Eperan
pack(Polystyrene) I 1
Instruction
booklet
(English) 1
Service
manual 1
QCDSCR2
ZC6CDl
A
ZXCD1AA
OICDlEC
OSCD1EC
page
18
-