Philips cd m 9 mk 4 service manual

Page 1

CD-mechanism COM-9 MOD-4

12v 6-:

m1
LEE-"Om

Publrshed by Philips Car Systems Printed \n The Netherlands © Copyrlgm reserved Subpecl Io modmcallon 4822 725 23506

PCS 67 611

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CONTENTS

Contents, Specification, Notes ....... page 2
Wiring diagram / Measurements ....... page 3
Oszillograms ................. page 4
Adaption of CDM-9 ............. page 5
Technician remarks ............. page 6
PCB - Layout ................ page 7
Measuring-point allocation .......... page 8
Decoder ................... page 9
DA-converter ................. page 10
Discmotor control / Loadingmotor control . . page 11
Power supply ................ page 12
Main control unit ............... page 13
Compression ................. page 14
Exploded view/ Lubrication instructions . . page 15
Partslist ................... page 16
SPEZIFICATION
Operating voltage: 10 V - 16 V
Operating temperature: 15°C - +70°C
Accesstime: max. 2sec (inner to outer track)
Load- / Eject- time: max. 4sec
Mounting angle (see page 5): ~ -10° - +20°
+30° - +60° (optional)
Playability:
- Testdisc 5A (4822 397 30096): wedges 900m
(track 9, time 1959)
blackdots - 800pm
(track 17, time 4004)
fingerprints
(track 18 + 19, time 4246 + 4506)
- Scewdisc (4822 701 11922): first 10min without interruptions
- Eccentricity disc (4822 701 11923): first 10min without interruptions

NOTE: Switch off power supply before connect and disconnect CDM 9 - Module and
set (danger of shortcircuit)!

NOTE: Use the coded plugs and sockets to build the needed extension cables.
NOTE: The chassis of CDM 9 is not grounded when separated from the set.
NOTE: Only PLAY but no LOAD and EJECT can be realized in upside-down position.

NOTE: Measurements are done in PLAY (P), STANDBY (S) and DISC OUT (0),
DC ->GND.

CDM-9 MOD-4 2

PCS 67 612