Philips 22 rc 548 578 668 688 service manual

Page 1

Cassette Car Radio 22RC548 - 578/00

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SerVIce

For repair information of the Cassette deck, see Service
Manual No 4822 725 xxxxx of Auto Cassette Deck SCA4-3

For repair information of the CD player, see Sen/ice
Manual No 4822 725 xxxxx of CD mechanism CDM9-3A

1 Service Manua

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" COMPACT

CLASS 1
LASER PRODUCT
DIGITAL AUDIO

/ Pubiished by Philips Car Systems Pnmed in the Netherlands ® Copyright reserved Subject to modification - 5 4822 725 24389
PCS 87 714 pumps
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Page 2

Contents page A
Contents - Remote control 2
Controls and connections 3 - 3a
Wirings - Technical data 4 - 4a
Init mode - Special modes 5 - 5a
Checks and alignments 6 - 6a
Power supply organization - Waveforms 7 - 7a
CDSP description 8 - 8a
CDSP pins description 9 - 9a
Block diagram 10 - 10a ,
Front schematic diagram 11 - 11a
Front PWB R0548 - 578 (SCA deck) 12 ~ 12a
Front PWB R0668 - 688 (CD) 13 - 13a
ICQS module description 14
Tuner part schematic diagram 143 d
Power supply part 00 schematic diagram 15 - 15a
Power supply part 01 schematic diagram 16 - 16a
Power supply part 02 schematic diagram 17 - 17a /\
Power supply part 03 schematic diagram 18 - 18a
Main PWB - Top side view 19 - 19a
Sound process part 00 schematic diagram 20 - 20a
Sound process part 01 schematic diagram 21 - 21a
Microcontroller part 00 schematic diagram 22 - 22a
Microcontroller part 00 D0 voltages 23
Microcontroller part 01 IC pinnings 24
Microcontroller part 01 schematic diagram 25 - 25a
Microcontroller part 02 schematic diagram 26 - 26a
Tape part schematic diagram 27 - 27a
Main PWB layout - Bottom view 28 - 28a
Power amplifier part schematic diagram 29 - 29a
Exploded view R0548 - 478 30 - 30a
Mechanical partslist - Opening the front 31 - 32
Exploded view R0668 - 688 33 - 33a
Main PWB Electrical partslist 34 - 34a - 35 - 35a - 36
Det front PWB electrical partslist 36a
Technician remarks 37 q
REMOTE CONTROL
This set can be controlled also by a remote control allowing you to carry out some of the ,fi
main functions of the set.
See the drawing below:
Radio : search tuning down Radio 2 search tuning up
Cassette : SP : Previous track Cassette : SP : Next track
LP : Fast rewind LP : Fast foMard
CD/CDC : SP : Previous track CD/CDC : SP : Next track
LP :Fast backward LP :Fast Forward
Radio : Next preset
Cassette : SP : Norm/rev
CD/CDC : '5: Efigfidisc \
LP :Scan
Volume -
Volume+ -7
,\
LP: Source
SP: Mute 22RC548/00
22R0578/00
22R0668/00
22R0688/00

PCS 87 715