Philips CDR880 User manual

Compact disc recorder
CDR880
/00/06/11/17
/00S/06S/11S/17S
SSIvics
Service
Service
Introduction of CDR880
For CDR880 we refer to the service manual of CDR870 service code number 4822 725 25241
except the following differences: \y ) G9) # /O JS alte
Mechanical parts:
CDR880/00/06/11/17_| CDR880/00S/06S/11S/17S
FRONT ASSY 4822 459 04978 4822 459 04981
POWER ROD = CDR870
LEVEL KNOB = CDR870
ERAVIERONT KNOB = CDR870
ITRAYFRONT _—__sis| FRONT = CDR870
4822 410 11809
4822 410 11811
4822 459 04982
151 = CDR870 4822 442 01369
312-313 | CINCH CABLE GOLD | 4822 321 23116 4822 321 23116
CDR MODULE
The CDR module used in CDR880 is also different and can be ordered with service
code number 4822 214 12745.
Electrical parts
A modified connector board to improve recordings via optical input has been implemented in CDR880.
The optical devices have been changed into a new type.
Optical receiver position 1520: GP1F32R. Service code number: 4822 218 11987.
Optical transmitter position 1521: GP1F32T. Service code number: 4822 130 10845.
See added circuit diagram and PCB drawing.
© Copyright 1998 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system or transmitted, in any form or by any means, electronic, mechanical, photocopying,
or otherwise without the prior permission of Philips.
Subject to modification
Published by M.T. 9818 Service MMA P.I.A. Hasselt Printed in The Netherlands
ReWritable
COMPACT
DIGITAL AUDIO
Recordable
4822 725 25245
ee
PCS 84 050
PHILIPS:
PHILIPS
eT a ee

nn Nn AA I A tn NNN Mi Aetiatee Atlin a it stmonNORiAt tte et ann
CONNECTOR BOARD
1 2
| 1500 -12
FROM MAIN PCB
INPUT RIGHT
INPUT LEFT
RIGHTOUT
FROM MAIN PCB
1521
GP1F32T
1520
GP1F32R
5450
2501 DIGOUTCOIL
U
10u/16V
7500-6D 7500-6E
T4HCUO4N T4HCU04N
GNDD! GNDD! GNDD!
3506 3505
3k3 3k3
7500 -6B 7500-6A
T4HCUO4N 74HCU04N
GNDD! GNDD!
1500 A 2
. 1520 A4
1521 A4
1522 A3
1530 Al
1531 A 2
2501 A3
2504 A2
2506 A2
3504 A 2
3505 A 2
3512 Al
3514 A2
3516 Al
3518 A2
5450 AQ
7500 A2
7501 Al
7502 Al
7503 A2
7504 Al
GNDD!
12 3 14
Seesesss So 3
MMOMILATABO|D
MEararoNaann
>
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FROM MAIN PCB
RIGHTIN
PAM WOOD Pr 3
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Py 3
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1500- 3 |
aaa 333s RSs82 NG
GNDAA!
GNDAA! owl
(C) output Richt
Al
GNDAA!
1s
st (C) output Lert
33p 33p
GNDAA! = GNDAA!
12 13 14
2500 A 4
2502 A3
2503 A 2
2505 A 2
2507 A2
2509 A3
2510 Al
2511 Ad
2512 Al
2513 A
3501 A 4
3502 A4
3507 AS
3508 A 2
3509 A 1
3510 Al
3503 A 2
3506 A 2
3511 Al
3513 A 2
3515 At
3517 Al
4500 A 3
PCS 84 049

Compact
disc
recorder
|
CDR870
/00/11/17
Servics
Service
INTRODUCTION
CONTENTS
PAGE
Wie
With
the
introduction
of
the
Philips
CDR
870 CD-Recorder
Technical
specifications
---------------------
2
=
] aa
it
is
possible
to
make
your
audio
CD
at
home.
Of
course
Instructions
for
use
---------------------------
3
ecordabie
the
set
can
also
saieaee
pre-recorded
audio
CD’s
like
the
Warnings
---------------------------------------
9
well-known
audio
CD-player.
Recordings
can
be
made
Service
hints
----------------------------------
10
from,
as well
as analogue,
as
digital
audio
sources.
Dismantling
instructions
--------------------
12
More
details
are
described
in
Circuit
description:
“The
Block
diagram
--------------
Sie
14
basics
of
Compact
Disc
Recordable/Rewritable”
available
Signal
names
and
abbreviations
---------
15
Ate)
via
service
codenumber
4822
725
25242.
Service
diagnostics
-------------------------~
19
Faultfinding
guide
----------------------------
20
_—s
DIGITAL
AUDIO
SERVICING
Wiring
Gia
fettnt
=xatoaeaiesanset
setae
25
=)
: ae
.
Circuit
diagrams
and
printed boards
For
servicing
CDR870
this
set
can
be
divided
into
two
Power
SUpply-----------------csee--0-----
26
parts
.
Headphone
&
Level---------------------
29
1.
The
Power
supply
board,
Display
board
and
the
Disp
lety
este
esate
ae
30
Connector
interface
board
has
to
be
repaired
on
Gannenion
intaraceseseoae
ee
30
COMPACT
component
level.
;
Exploded
view
--------------------------------
34
|
(5
2.
The
loader
module
with
CD
mechanism,
CDM-board
Mechanical
partslist
-------------------------
35
:
:
ReWritable
and
the
Main
board
will
be
exchanged
completely
in
Electrical
partslist
----------------------------
36
case
of
failure.
For
easy
diagnostics
the
set
has
been
equipped
with
a
selfdiagnose
program.
Defective
loader
modules
have
to
be
returned
to
a
central
repairshop.
Published
by
Philips
Consumer
Electronics
©
Copyright
reserved
—
Subject
to
modification
4822
725
25241
—
PHILIPS
fide a Sach IT a rhs Oe aos Ss oa ON

TECHNICAL SPECIFICATIONS
General
1. Mains voltage
/00
‘1
M7
2. Mains frequency
3. Mains voltage selection
230V
110V-120V-220V-240V
120V
50-60 Hz
only with multivoltage version /11
4, Power consumption
InpuVoutput
1. Line output.
Output level:
Output resistance:
2. Line input.
input sensitivity:
Input impedance:
Maximum input voltage:
3. Digital output.
Format:
(consumer format).
Sampling frequency:
output resistance:
4. Digital input.
Format:
(consumer format).
Sampling frequency:
Input resistance:
5. Optical output.
Format:
(consumer format).
Sampling frequency:
6. Optical input.
Format:
(consumer format).
Sampling frequency:
Audio performance
9W
2Vrms at OdB.
2002.
700mVrms.
50kQ.
5Vrms.
AES/EBU format according IEC958
44.1kHz.
75Q.
AES/EBU format according |EC958
32, 44.1, 48kHz.
75Q.
AES/EBU format according IEC958
44.1kHz.
AES/EBU format according IEC958
32, 44.1, 48kHz.
Cinch analog output (playback path).
Output voltage:
Frequency range F.R.:
Amplitude linearity:
Channel unbalance:
Output resistance:
Phase non-linearity:
Outband attenuation:
Channel separation:
S/N-ratio A-weighted:
S/N-ratio unweightes:
Dynamic range:
THD+N:
PCS 83 963
2Vrms + 2dB. (0dB digital).
20Hz < F.R. < 20kHz.
+ 0.3dB.
typical.: + 0.10B.
<0.3qB at 1kHz.
typical: +0.2dB.
2002.
<0.2deg at 1kHz.
50dB above 30kHz.
>90dB at 1kHz.
typical: 110dB.
>85dB from 20Hz. until 20KHz.
typical: >93dB.
>98dB.
typical: 105dB.
>95dB.
typical: 100dB.
>95cB. at 1kHz.
typical: 100dB.
>90dB from 20Hz. until 20kHz.
typical: 98d0B.
>82dB from 20Hz. until 20KHz.
typical: 85dB.
Cinch analog input/output (monitor path).
Measured with Audio precision system one.
Input voltage is 2Vrms.
Output voltage:
Amplitude linearity:
Channel unbalance:
Output resistance:
Phase non-linearity:
Outband attenuation:
Channel separation:
S/N-ratio unweightes:
Dynamic range:
THD+N:
Intermodulation THD:
2Vims + 2dB. (OdB digital).
+ 0.3qB.
typical.: + 0.1dB.
<0.3dB at 1kHz.
typical: +0.2dB.
2009.
<0.2deg at 1kHz.
50dB above 30kHz.
>90dB at 1kHz.
typical: 98dB.
>85cB from 20Hz. until 20KHz.
typical: >92dB.
>85dB.
typical: 90dB.
>90dB. at 1kHz.
typical: 95dB.
>81dB from 20Hz. until 20kKHz.
typical: 85dB.
>80cB.
Headphone output (al! functions).
Output voltage:
S/N:
THD+N:
Channel separation:
Dimensions and weight
1. Apparatus tray closed:
2. Weight without packaging:
3. Weight in packaging:
Laser Device Unit
Material:
Wave length:
Laser output read:
Laser output write:
Class laser:
gFoON>
0-5 Vrms /8 - 20002.
>80dB.
>80cB.
>60dB from 20Hz. until 20kHz.
WxDxH 435 x 305 x75
4kg
5kg
GaAlAs
775 3795 nm(at 25°C)
0.70.9 mW
13-18mW
3B

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ayy arejdau io yadsuy
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ayy
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Jayjoue
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S1>SIP
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HYD
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Jaqe|
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+
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ON
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‘aaunos sayjoue
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NO
pue
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Bulyoyms
Aq
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PCS 83 969

WARNING
All Cs and many other semi-conductors are
susceptible to electrostatic discharges (ESD).
Careless handling during repair can reduce
lite drastically.
When repairing, make sure that you are
connected with the same potential as the
mass of the set via a wrist wrap with
resistance.
Keep components and tools also at this
potential.
Ce ATTENTION
Tous les IC et beaucoup d’autres semi-
conducteurs sont sensibles aux décharges
statiques (ESD).
Leur longévité pourrait étre considérablement
écourtée par le fait qu’aucune précaution
nest prise a leur manipulation.
Lors de réparations, s’assurer de bien 6tre
relié au méme potentiel que la masse de
lappareil et enfiler le bracelet serti d'une
résistance de sécurité.
Veiller a ce que les composants ainsi que les
outils que l’on utilise soient également a ce
potentiel.
iG)
Safety regulations require that the set be restored to its original condition
and that parts which are identical with those specified be used.
@D
Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkelijke
toestand wordt terug gebracht en dat onderdelen, identiek aan de
©
gespecifieerde worden toegepast.
@® WARNUNG
Alle IC und viele andere Halbleiter sind
empfindlich gegen elektrostatische
Entladungen (ESD).
Unsorgfaltige Behandlung bei der Reparatur
kann die Lebensdauer drastisch vermindem.
Sorgen sie daftir, das Sie im Reparaturfall
Uber ein Pulsarmband mit Widerstand mit
dem Massepotential des Gerates verbunden
sind.
Halten Sie Bauteile und Hilfsmittel ebenfalls
auf diesem Potential.
®
1) WAARSCHUWING
Alle IC’s en vele andere halfgeleiders zijn
gevoelig voor elektrostatische ontladingen
(ESD).
Onzorgvuldig behandelen tijdens reparatie
kan de levensduur drastisch doen
verminderen.
Zorg ervoor dat u tijdens reparatie via een
polsband met weerstand verbonden bent met
hetzelfde potentiaal als de massa van het
apparaat.
Houd componenten en hulpmiddelen ook op
ditzelfde potentiaal.
—p) AVVERTIMENTO
Tutti IC e parecchi semi-conduttori sono
sensibili alle scariche statiche (ESD).
La loro longevita potrebbe essere fortemente
ridatta in caso di non osservazione della piu
grande cauzione alla loro manipolazione.
Durante le riparazioni occorre quindi essere
collegato allo stesso potenziale che quello
della massa dell’apparecchio tramite un
braccialetto a resistenza.
Assicurarsi che i componenti e anche gli
utensili con quali si lavora siano anche a
questo potenziale.
Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten.
Der Originalzustand des Gerats darf nicht verandert werden.
Fur Reparaturen sind Original-Ersatzteile zu verwenden.
<p)
specificati.
Le norme di sicurezza esigono che l’apparecchio venga rimesso nelle
condizioni originali e che siano utilizzati pezzi di ricambiago idetici a quelli
Les normes de sécurité exigent que l'appareil soit remis a l'état d'origine et
que soient utilisées les pieces de rechange identiques 4 celles spécifiées.
CAUTION
VARO!
VARNING
ADVERSEL
DANGER
VORSICHT
INVISIBLE LASER RADIATION WHEN OPEN. AVOID EXPOSURE TO BEAM.
AVATTAESSA OLET ALTTIINA NAKYMATTOMALLE LASER SATTEILYLLE ALA KATSO SATEESEN.
OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD BETRAKTA EJ STRALEN.
USYNLIG LASERSTRALING VED ABNING. UNDGA UNSAETTELSE FOR STRALING.
INVISIBLE LASER RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO BEAM.
SHOCK, FIRE HAZARD SERVICE TEST:
CAUTION:
After
servicing
this
appliance
and
prior
to
returning
to
customer,
measure
the
resistance
between
either
primary
AC
cord
connector
pins
(with
unit
NOT
connected
to
AC
mains
and
its
Power
switch
ON),
and
the
face
or
Front
Panel
of
product
and controls
and chassis
bottom,
Any
resistance
measurement
less
than
1
Megohms
should
cause
unit
to
be
repaired
or
corrected
before
AC
power
is
applied,
and
verified
before
return
to
user/customer.
Ref.UL Standard NO.1492.
NOTE ON SAFETY:
UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEOFFNET. NICHT DEM STRAHL AUSSETZEN.
Symbol A : Fire or electrical shock hazard. Only original parts should be used to replace any part with symbol A
Any other component substitution(other than original type), may increase risk or fire or electrical shock hazard.
“Pour votre sécurité, ces documents
doivent &tre utilisés par des
spécialistes agrées, seuls habilités 2
réparer votre appareil en panne.”
CLASS 1
LASER PRODUCT
3122 190 03420
PCS 83 970

SERVICING HINTS
10
In the set chip components have been applied. For disassembly and assembly of chip components see the figure
below.
GENERAL
CHIP
MPONENT .
souven °° e SOLDER#*”
COPPER TRACK
P.CB.
(a)
ase
fo @
SERVICE PACKAGE
SERVICE TOOLS
Audio signals disc
DISMOUNTING MOUNTING
e.g. A PAIR OF TWEEZERS
f/¥
VACUUM PISTON
395
SOLOERING 4822 395 10082
IRON
ELLER
e.g. Wi
SOLDER TIP PT-H7
SOLDER
20.5 - 0.8 mm
SOLDERING
PRESSURE
IRON
+
OR
SOLDERING
IRON
SOLOER WICK
4822 321 40042
SOLDERING TIME SOLDER
e.g.
A
PAIR
OF
TWEEZERS
<3
sec/side
@0.5
-
0.8mm
“1/9
HEATING
a
PRESSURE / SOLDERING
+ IRON
HEATING
BY
SOLDERING IRON
SOLDER WICK CLEANING
EXAMPLES
Ox. Ga.
SOLDERING
IRONZ
PRECAUTIONS
SOLDERING
IR
ON
as = a
‘OPPER TRACK
SOLDERING
IRON
CHIP
COMPONENT
27 O12CR
4822 397 30184
Disc without errors(SBC444) and disc with DO errors, black spots and fingerprints(SBC444A) 4822 397 30245
Disc(65 min, 1 KHz) without no pause
Maximum diameter disc(58.0 mm)
Torx screwdrivers
Set (straight)
Set (square)
PCS 83 971
4822 397 30155
4822 397 30144
4822 395 50145
4822 395 50132

11
SAFETY GUIDELINES FOR THE PROFESSIONAL SERVICE TECHNICIAN
Important
Proper service and repair is important to the safe, reliable operation
of all Philips equipment. The service procedures recommended by
Philips and described in this service manual are effective methods of
performing service operations. Some of these service operations
require the use of tools specially designed for the purpose. The
special tools should be used when and as recommended.
Itis important to note that this manual contains various CAUTIONS
and NOTICES which should be carefully read in order to minimize the
risk of personal injury to service personnel. The possibility exists
that improper service methods may damage the equipment. it also
Is important to understand that these CAUTIONS and NOTICES
ARE NOT EXHAUSTIVE. Philips could not possibly know, evaluate
and advise the service trade of all conceivable ways in which service
might be done or of the possible hazardous consequences of each
way. Consequently, Philips has not undertaken any such broad
evaluation. Accordingly, a servicer who uses a service procedure or
tool which is not recommended by Philips must first satisfy himself
thoroughly that neither his safety nor the safe operation of the
equipment will be jeopardized by the service method selected.
Safety Checks
After the original service problem has been corrected, a complete
safety check should be made. Be sure to check over the entire set,
not just the areas where you have worked. Some previous servicer
may have left an unsafe condition, which could be unknowingly
passed on to your customer. Be sure to check ail of the following:
Fire and Shock Hazard
1. Besure all components are positioned in such a way as to avoid
the possibility of adjacent component shorts. This is especially
important on those units which are transported to and from the
service shop.
2. Never release a repaired unit unless all protective devices such
as insulators, barriers, covers, strain reliefs, and other
hardware have been installed according to the original design.
3. Soldering and wiring must be inspected to locate possible cold
solder joints, solder splashes, sharp solder points, frayed
leads, pinched leads, or damaged insulation (including the ac
cord). Be certain to remove loose solder bails and ail other
loose foreign particles.
4. Check across-the-line components and other components for
physical evidence of damage or deterioration and replace if
necessary. Follow original layout, jead length, and dress.
5. Nolead or component should touch a resistor rated at 1 watt or
more. Lead tension around protruding metal surfaces or edges
must be avoided.
6. Critical components having special safety characteristics are
identified with a A by the Ref. No. in the parts list and enclosed
within a broken line* (where several critical components are
grouped in one area) along with the safety symbol
& on the schematic diagrams and/or exploded views.
Replacement parts without the same safety characteristics
may create shock, fire, or other hazards.
7. When servicing any unit, always use a separate Isolation
transformer for the chassis. Failure to use a separate isolation
transformer may expose you to possible shock hazard, and
may cause damage to servicing instruments.
8. Many electronic products use a polarized ac line cord (one wide
pin ‘on the plug). Defeating this safety feature may create a
potential hazard to the servicer and the user. Extension cords
ibaa do not incorporate the polarizing feature should never be
used.
LASER NOTE:
Fire and Shock Hazard (Continued)
9. After reassembly of the unit, always perform an ac leakage
test or resistance test from the line cord to all exposed metal
parts of the cabinet. Also, check all metal control shafts (with
knobs removed), antenna terminals, handies, screws, etc. to
Be sure the unit is safe to operate without danger of electrical
shock.
* :
Broken line: 5 GEER: 6 SE © ee Ss ee
Leakage Current Cold Check
1. Unplug the ac line cord and connect a jumper between the two
prongs of the plug.
2. Turn on the power switch.
3. Measure the resistance value between the jumpered ac plug
and all exposed cabinet parts of the receiver, such as screw
heads, antennas, and control shafts. When the exposed
metallic part has a return path to the chassis, the reading
should be between 1 megohm and 5.2 megohms. When the
exposed metal does not have a return path to the chassis, the
reading must be infinity. Remove the jumper from the ac line
cord.
WATER
TO PIPE
INSTRUMENTS Baik
EXPOSED (
METAL
PARTS
GROUND)
15000, 10W
Leakage Current Hot Check
1. Do not use an isolation transformer for this test. Plug the
completely reassembled unit directly into the ac outlet.
2. Connect a1.5k, 10W resistor paralleled by a 0.15uF. capacitor
between each exposed metallic cabinet part and a good earth
ground such as a water pipe, as shown above.
3. Use an ac voltmeter with at least 5000 ohms/volt sensitivity to
measure the potential across the resistor.
4. The potential at any point should not exceed 0.75 volts. A
leakage current tester may be used to make this test; leakage
current must not exceed 0.5 milliamps. If a measurement is
outside of the specified limits, there is a possibility of shock
hazard. The receiver should be repaired and rechecked before
returning it to the customer.
5. Repeat the above procedure with the ac plug reversed. (Note:
An ac adapter is necessary when a polarized plug is used. Do
not defeat the polarizing feature of the plug.)
Parts Replacement
1. Many electrical and mechanical parts in Philips equipment have
special safety related characteristics. These characteristics
are often not evident from visual inspection nor can the
protection afforded by them necessarily be obtained by using
replacement components rated for higher voltage, wattage,
etc. The use of a substitute part which does not have the sarne
safety characteristics as the Philips recommended
replacement part shown in this service manual may create
shock, fire, or other hazards. Under no circumstances should
the original design be modified or altered without written
permission from Philips. Philips assumes no liability, express or
implied, arising out of any unauthorized modification of design.
Servicer assumes all liability.
2. Ail lCs and many other semiconductor parts are susceptible to
electrostatic discharges (ESD). Careless handling during
repair can redudé the life of the part drastically.
DANGER ~- Invisible laser radiation when open. AVOID DIRECT EXPOSURE TO BEAM.
CAUTION - Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous
radiation exposure.
CAUTION - The use of optical instruments with this product will increase eye hazard.
VIDE-V10221 / Druck
11
|
PCS 83 972

12 12
DISMANTLING INSTRUCTIONS
See exploded view for item numbers
= remove 4 screws 90-93
(loader bracket 82 >
frame 181)
remove screw 94
unlock snap of spacer
186 (board—frame 181)
demount board
on the right
put front assy after
demounting in front of the
set (service position)
Cover 151
=
Remove
9
screws
mounting
166-169
at
sides
t
170-174 at rearside “ J
=> Lift cover at rearside to demounting
remove
CDR
module
containing:
Power
supply
board
1002
Front
assy
1
Connector
board
1001
Level
board
1003
Basic
engine
81
demount
switch
bracket
9
=>
remove
4
screws
=
remove
flex
connection
to
=>
remove
level
knob
51,52
Main
board
1001
remove
3
screws
188,
182-—185(front—frame)
main
board
by
pulling
it
forward
Loader
bracket
82
189,
190(board—»frame)
=
unlock
front
from
frame
remove
screws
200->203
=
unscrew
nut
of
level
=
remove
tray
front
65
remove
screw
205
(mains
by
releasing
3
snaps(on
(cinches—backplate
266)
potmeter
remove
connections
inlet-backplate
266)
the
left,
in
the
middle
and
demount
board
=
demount
board
(main board 1001 >
frame 181)
demount CDR module
Display board 1003 Headphone board 1003
= remove 7 screws 22-28 |= remove volume knob 53
(board—>front) by pulling it forward
=> demount board = remove 3 screws 3133
(board—front)
demount board
VIDE-V10221 /Druck2
PCS 83 973

EXPLODED VIEW
5
Ee O Ww
Zz Zz
QO (6)
_
pala
tl
Se
ee
ee
ey
Mpeg
een
Met
mn
Taam
Cary
NG
AMT
ays
glee
Meet
ag ar
nat
oe
tenctee
Tee
ee
eet
eT
PCS 83 974
VIDE-V10221 / Druck3

14 14
OVERALL BLOCKDIAGRAM
CoS
Ao
Senn
a
9
6
ann
mem
ra
>
ae
es
©
een
9
ee
oS
eae
@
eae
6
meee
=
me
©
mire
0
Se
OO
eo
OS
eS
SS
SS
2
SS
=
1
et
eS
SS
Sa
eee
1
| {i LOADERASSY ii in DISPLAY BOARD |
i | it wn MAIN BOARD i} |
| TRAY MOTOR CONTROL ACH i ! 7200
|
TRAYMOTOR
|
rages
32MHz
i
|
TMP
Cc
are
i
|
Ha
:
| 1@ TRAYSENSE ; <I : ad i
i
1
|
!
=
|
i
sa
ti}
i
KEYS
ene ee ee ae | j i
SYSTEM
|
—
vineo
pic
«=
AUTO
TRACK
REPEAT?
TOTAL
REM
TRACK
TIME
|
MICRO CONTROLLER rl oo @. ra
a ieee aa maa Sar maa th CONTROLLER 68HC11K4 em eee sg cere HL, |
CDM-36 NEC 784036 SPI : =
|
7170
i
|
|
i
!
H
|
|
|
{
|
(
|
|
LASER
CONTROL
& TIMING
WOBBLE
PHOTO
DIODES
GDIN
TDA1373HIN2
ANALOG
SIGNAL
PROCESSOR
AEGER
7010
CD-ENCODER E
CDCEP
TDA1371
MOTO1/2 A
"CD-DECODER
$260,
DIGITAL
SERVO
CONTROLLER
DSIC
FOCUS
RADIAL
DIGITAL
[Oe ce ce cc EO SF BR
SLEDGE 720
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| CDRLOADER | !
VIDE-V10221 / Druck4
PCS 83 975

SIGNALS AND ABBREVIATIONS
SIGNAL NAME _| SIGNAL FLOW
Power supply +12V for op-amps
Power supply +4V for servo microcontroller
Analog power supply +5V
Digital power supply +5V
Power supply +5V for Connector Part
Power supply turntable motor control circuit
Power supply User processsor & memories
Power supply -12V for op-amps
Power supply -8V
IC7170—>CONN.1101 Calculation 8 and HFO
Positive peak detector between CA and CALF
+ lt (t+ i+ ]+ ZIZlEligliv
lout’) <<
fom’)
>
B| Bl Zelalelala
>IS/2)a/<|<
a) |=|9
1C7170—>CONN.1101 Beta = (A1-A2)/(A1+A2)
Negative peak detector between CA and CALF
d
CK
1C7320<>R3904(IC7170)
|
Acknowledge
serial
communication
user
microprocessor
IC7320<>CONN.
1300
IC7320—31C7321
Address
bus
1C7320-sIC7322
TADC.—S—s=~SY—<“‘(W”~S”S~<C*é‘CS
CSC
AnlogyDigital
Converter
C—‘“‘CSCSC‘id
ATSB
1C7323—1C
7480
Attenuation
12
dB
of
DAC(active
low)
during
search
Central
Aperture(C1+C2+C3+C4)DC
—for
Mod.
calculation
CA
low
frequency
fCcDpb60,™~™~—“‘aYTSOCOC*~‘#’SDTT.WWTWWWOUOCOC*CWDecoders
es
—
—“‘“‘“‘“(“(“(;™CSC‘CY
1C7320->1C7465
DAI-O
interface
clock
1C7320-»CONN.
1302
1C7320<31C7465
DAI-O
interface
data
1C7320<>CONN.
1302
1C7320->CONN.
1302
CDCEP
CD-Circ
Efm
Encoder
Plus
CDE
CD
erase
|
CE_INT
1C7170<-1C7245
CDCEP
interrupt
|
CFLG
1C7210-»CONN.
1250
Correction
flag
output(CD60)
CLCE
1C7170-—3IC
7245
P
clock
output
encoder(CD60
CLDE
P
clock
output
decoder(CD60
CLDS
1C7170—1C7130
P
clock
output
DSICR
1C7245—1C7240
PLL
clock
output
from
encoder
1C7245-3IC7241
CLKQ
divided
by
2
CLO3
1C7440-1C7405
GDIN
clock3
out:
system
clock
for
ADC,
DAC
and
DAI-O
IC7440-1C7465
1C7440-1C7480
CLWP 1IC7170—1C7245 P clock Atip information CDCEP |
Communication clock for data transfer from user
1C7320<2CONN. 1300 microprocessor
COMSYNC 1C7320<91C7170 Communication synchronisation from user microprocessor |
1C7320eCONN.1300
CRIN 1C7440—1C7210 GDIN clock1 out: system clock for decoder CD60 |
CSEXP 1IC7320—1C7323 Chip Select Expander
PCS 83 976

CSRAM
CSROM
D[0:7]
DAC
DACE
DACL
DADE
DADI
DADS
DAI-O
DAIO_REC
|
DAIN
DALD
DAOUT R3217(IC7210)—IC7403
DAWP
DC1
1IC7320-1C7321
1C7320-—1C7322
1IC7320<1C7322
IC7320<1C7323
1C73201C7324
IC7170->1C7245
1IC7170->CONN.1102
1C7170— 107210
1C7170->CONN.1102
IC7170—1C7130
1IC7325-1C7403
1C7245<>IC7480
IC7245<>IC7403
1C7245<51C 7440
1IC7170-—>CONN. 1102
IC7170-—1C7245
DC2
DIGIN
DIGOUT
IDSICR
E
EECL
EEDA
EFM
EFMCLK
EFMM
FEN
el CONN.1101-31C7130
IC7170—R3133
1C7105->CONN. 1101
FEOFS
FOC+
FOC-
FS
FSM
GDIN
GDINCL
GDINDA
GDINLD
HALL_U, V, W
HMSW
PCS 83 977
CONN. 1400-1C7440
CONN. 1400-C2465
IC7465—>CONN. 1400
Chip Select RAM
Chip Select ROM
Data bus
Digital/Analog Converter
P data /O CPCEP
DAC clock
uP data CDLIP
DAC data in (CDM)
P data I/O DSICR
Digital Audio Input/Output
high during recording from digital in source, low to prevent
conflict in IIS bus during playback and analog recordin
Data signal(CDCEP)
- [o>]
DAC load(CDM)
I°S data output(CD60)
P data Atip information(CDCEP
Filament voltage for displa
Filament voltage for displa
DEEM1 IC7323—>|C7480 Deemphasis active(44.1 kHz sample rate)
Digital input
Digital output
Digital Servo IC Recordable
IC7320-1C7324
IC7170-—>CONN. 1102
IC7170<CONN. 1102
1IC7245-1C7205
1C7245—CONN. 1102
IC7245—CONN. 1102
1C7105—»CONN. 1101
CONN. 1102-R3152
CONN.1102-D6155
Pomerat) Cee cet |
IC7320—1C7440
1C7320—>CONN. 1304
1C7320<31C7440
1IC7320<>CONN. 1304
1C7320-1C7440
IC7320-—CONN. 1304
IC7170—1C7270
IC7170—1C7280
CONN.1101-—!C7170
E-clock microcontroller
EEPROM clock
EEPROM data
Eight to Fourtheen Modulation
CDCEP output for monitoring (reduced voltage from CD60 to
MONON
EFM clock 4.3218 or 8.6436 MHz
EFM N-1
Focus Error Normalized = (C1 + C3 - C2 - C4)/(C1 + C2 + C3+
C4
Focus Error OFF Switch
Focus actuator positive connection
Focus actuator negative connection
FS = FSO - DALFA( write power to laser control)
General Digital INput
GDIN interface clock
GDIN interface data
GDIN interface mode
Hall element U, V, W of motor
Home Switch

17
IISCLK 1C7460-—1C7405 I°S-BUS clock
1IC7460—1C 7480
IC7460-s1C7465
IC7460—1IC7440
lISDIR I?S-BUS direction, high during playback
ISWS ?S-BUS word select
KILL CONN1430—>CONN1420 | Kill signal to mute analog output signal
CONN1430—D6400
LDCE P load input(from CDCEP
LDDE 1C71701C7210 P load output decoder
LDDS P load output DSICR
LDON
IC7130->CONN.1102
Laser
Diode
ON(on
read)
1C7105->CONN.1102
LEFTOUT C2497->CONN. 1400 Analog ‘eft output
C2497—CONN. 1420
C2497-—»C2300
LWRT
IC7245->CONN.1102
Laser
at
writing
power
MIRN Mirror normalized
MISO 1C7320<4R3168(IC7170) | Master in, Slave out: data from Basic Engine to USER.
IC7320~+CONN.1300
[MONON
=f
1C67170-31C7205
Monitoring
EFM
from
CDCEP
to
CD60
MOSI IC7320<+R3903(IC7170) | Master out, Slave in : data from USER to Basic Engine
IC7320<>CONN.1300
MOTO1
:
IC7170—31C7205
N4 IC7170-91C7205
NCLOSE IC7170-R3196
NIRQ
NMUTE
IC7320—1C7480
Mute
signal
(active
low)
1IC7320—>R3496,
3497
NOPEN 1IC7170-R3181 Tray open
NRSMP
IC7245—>CONN.1102
None
read
sample
OPTIN CONN.1400-1C7440 Optical input
CONN.1400->1C7465
Overload flag input
PLAY/REC IC7325-41C 7407 high during recording (digital out from DAIO), low during playback
digital out from CD60).
PP
CONN.1101->C2231
XB
or
PPN(read
or
write)
PWM Pulse width modulation
P read/write signal
Radial actuator positive connection
RAD- IC7105-CONN.1101 Radial actuator negative connection
|
RADINT
|1C7170-»R3111
Radial
actuator
integrator
voltage.
REN

IC7170-R3124 Radial Error Normalized switch
Reset encoder(CDCEP) and digital servo(DSICR)
1IC7170-1C7130
Reset decoder CD60
C2498-3CONN.1400 __| Analog right output
C2498->CONN. 1420
C2498->C2303
IC7320-31C7325 Reset microcontroller( from user uP
RSTHA
1C73251C7465
Reset
high
active,
reset
for
DAIO
RSTLA IC7325-1C7440 Reset low active, reset for GDIN, servo uP, DSD3, DSICR and
IC7325-R3908 display.
1C7325-3D6130
1C7325—>CONN.1330
Receive data of serial interface
|
SCL
IC7320CONN.1303
|
I°C-bus
clock
for
communication
IC7320<5L5300
SDA
|
IC7320CONN.1303
___
|
I°C-bus
data
to
display
driver
1C7320<>L5300
SDAUX 1IC7405-1C7440 Analog to digital converted data from ADC to DAI-O
| SL+ 1C7105CONN.1101 _| Sledge motor positive connection
SL- IC7105-CONN.1101 Sledge motor negative connection
STROBE 1C7320—1C7465 Control signal for DAI-O : data strobe
IC7320-—CONN. 1302
Start Write 9ms(one shot at start up LWRT)
System synchronization
Track Loss Normalized
Tray sense
Transmit data serial interface
User-data available
UNLOCK 1C7465-1C7320 Not locked on incoming EBU-signal
UNLOCK_GDIN | 1C7323-4R3435 Unlock signal to GDIN
V4
IC7210-CONN.1250
_|
Versatile
pin
4
VFTD Power supply for displa
WCLK 1072109107245 Word clock
PCS 83 979