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Version 1.0

MC145

©

 3141 785 30680

Micro System

All version 

Published by YT 0605  Service Audio    Printed in The Netherlands    Subject to modification

© 

Copyright 2006 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.

Handling Chip Components .......................................................... 1-1
Service Tools ................................................................................. 1-1
Leadfree and Safety Information ................................................... 1-2
Technical Specification .................................................................. 2-1
Service Measurement Setup ......................................................... 2-2
Alignment Instruction ..................................................................... 2-3
Connections and Controls ..................................................... 3-1...3-3

Disassembly Instruction ........................................................ 4-1...4-2

Set Block Diagram ........................................................................ 5-1
Set Wiring Diagram ....................................................................... 5-2

Display Board
 Circuit 

diagram 

......................................................................... 6-1

 Layout 

diagram 

........................................................................ 6-2

Combi Board
 

Circuit diagram (Tuner/Tape/Amp part) .................................... 7-1

 

Circuit diagram (CD part) ......................................................... 7-2

 

Layout diagram - top view ........................................................ 7-3

 

Layout diagram - bottom view .................................................. 7-4

     
Exploded View Diagram ................................................................ 8-1
Mechanical Partslist ...................................................................... 8-2

Accessories and Electrical Partslist ...................................... 9-1...9-3

TABLE OF CONTENTS

Summary of Contents for MC145

Page 1: ...the prior permission of Philips Handling Chip Components 1 1 Service Tools 1 1 Leadfree and Safety Information 1 2 Technical Specification 2 1 Service Measurement Setup 2 2 Alignment Instruction 2 3 Connections and Controls 3 1 3 3 Disassembly Instruction 4 1 4 2 Set Block Diagram 5 1 Set Wiring Diagram 5 2 Display Board Circuit diagram 6 1 Layout diagram 6 2 Combi Board Circuit diagram Tuner Tape...

Page 2: ...1 1 HANDLING CHIP COMPONENTS ...

Page 3: ...1 2 ...

Page 4: ...ner bar antenna Sensitivity at 26sb S N 4 4 mV M Selectivity at 18 kHz Bandwidth 18 dB IF rejection 45 dB Image rejection 30 dB Distortion 5 AMPLIFIER Output power 2 x 2 W RMS Speaker impedance 8 ohm Frequency response Within r 3dB 60Hz 16 kHz Bass Boost ON 6dB r 3dB at 120Hz Headphone output 32 mW r 2dB at 32 CASSETTE RECORDER Number of tracks 2 x 2 stereo Tape speed 4 76 cm sec 2 5 1 5 Wow and f...

Page 5: ... 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250kHz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50 L R LEVEL METER e g Sennheiser UPM550 with FF filter S N and distortion meter e g Sound Technology ST1700B DUT CD RECORDER Use Audio Signal Disc SBC429 48...

Page 6: ...IO FM BAND 3 Connect a SWEEPSCOPE OUTPUT to pin5 of IC001 through a 20pF capacitor and ground 4 Connect a SWEEPSCOPE INPUT to pin16 or 17 of IC001 through a 1uf capacitor and ground STEP SET SIGNAL SET DIAL ADJUST ADJUST FOR 1 10 7MHz GANG OPEN CHECK MAX AMPLITUDE BALANCED CURVE FM R F ALIGNMENT 1 Connect an RF generator to the FM antenna terminal and ground 2 Connect a SCOPE VTVM across the speak...

Page 7: ...xx 3 1 CONNECTION AND CONTROLS 8 ...

Page 8: ... FUNCTION 02 3 4 ON REMOTE CONTROL FOR4UNER SELECTS A PRESET RADIO STATION 0 9 2 0 4 3 5 n REPEATS A TRACK PROGRAM ENTIRE n PLAYS TRACKS IN RANDOM ORDER 34 0 FOR STOPS PLAYBACK OR ERASE A PROGRAM FOR4UNER ON THE SET ONLY SELECTS WAVEBAND 30 9 FOR DISPLAY REMAINING TIME AT STANDBY SETS THE CLOCK FUNCTION YNAMIC ASS OOST n ENHANCES THE BASS 6 5 ON REMOTE CONTROL n ADJUSTS VOLUME LEVEL n CONNECT HEAD...

Page 9: ...ED ON 3PEAKERS ONNECTION RONT 3PEAKERS ONNECT THE SPEAKER WIRES TO THE 30 23 TERMINALS RIGHT SPEAKER TO 2 4 AND LEFT SPEAKER TO 4 COLOURED MARKED WIRE TO AND BLACK UNMARKED WIRE TO ULLY INSERT THE STRIPPED PORTION OF THE SPEAKER WIRE INTO THE TERMINAL AS SHOWN OTES n OR OPTIMAL SOUND PERFORMANCE USE THE SUPPLIED SPEAKERS n O NOT CONNECT MORE THAN ONE SPEAKER TO ANY ONE PAIR OF SPEAKER TERMINALS n ...

Page 10: ...A Remove Top Cabinet A1 Remove screws T3x8 2 pcs A2 Remove screws T3x8 2 pcs A3 Remove screws T3x10 2 pcs A4 Remove screws T3x10 2 pcs B Remove CD Module B1 Remove screws T3x10 2 pcs B1 C Remove CD Module Cover C1 Remove screws T3x10 6 pcs C1 ...

Page 11: ...ve Back Cabinet E1 Remove screws T3x8 2 pcs F2 F1 F3 F Remove Cassette Board Assy and Tape Deck F1 Remove screw T3x8 1 pc F2 Remove screw M3x6 1 pc F3 Remove screws T3x10 4 pcs G1 G Remove PCB Bracket G1 Remove screws T3x8 3 pcs H1 H Remove Front PCB Assembly H1 Remove screws T3x8 14 pcs ...

Page 12: ...5 1 5 1 SET BLOCK DIAGRAM ...

Page 13: ... 2 N C 6 N C CN7 CN4 CN101 CN103 4 0 1 N C CW4 C0N401 B C P Y A L P S I D FM ANT CW6 TAPE PCB CN3 TRANSFOMER AC2 AC1 K C E D D C H C T I W S R O O D D C K C E D E T T E S S A C MOTOR 3 W C HEADPHONE PCB SET WIRING DIAGRAM ...

Page 14: ...6 1 6 1 CIRCUIT DIAGRAM DISPLAY BOARD ...

Page 15: ...6 2 6 2 LAYOUT DIAGRAM DISPLAY BOARD COMPONENT SIDE COPPER SIDE ...

Page 16: ...7 1 7 1 CIRCUIT DIAGRAM COMBI BOARD TUNER TAPE AMP ...

Page 17: ...7 2 7 2 CIRCUIT DIAGRAM COMBI BOARD CD part ...

Page 18: ...7 3 7 3 LAYOUT DIAGRAM COMBI BOARD TOP VIEW ...

Page 19: ...7 4 7 4 LAYOUT DIAGRAM COMBI BOARD BOTTOM VIEW ...

Page 20: ...8 1 8 1 EXPLODED VIEW DIAGRAM ...

Page 21: ...R 18 9940 000 03686 CD DOOR GEAR 2 19 9940 000 03687 GEAR HOLDER 2 20 9940 000 04398 CD KEY 21 9940 000 04399 VOL KEY 22 9940 000 04401 DBB KNOB 23 9940 000 04402 VOL KEY RING 24 9940 000 04403 TRIM RING 25 9940 000 04404 24 TUN BTN 26 9940 000 04405 CASS KNOB LID 27 9940 000 04406 CASS KNOB KIT 28 9940 000 04407 DISPLAY LENS 29 9940 000 04408 CASS LENS 30 9940 000 04409 LCD LENS 31 9940 000 03703...

Page 22: ... 6X6MM H 5MM SW402 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW403 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW404 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW405 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW406 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW407 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW408 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW409 9940 000 04368 TACT SWITCH 6X6MM H 5MM SW410 9940 000 04368 TACT S...

Page 23: ...ARICAP DIODE V149 Q1 9965 000 20152 MMBT3904LT1 SMD SOT23 Q2 9965 000 20152 MMBT3904LT1 SMD SOT23 Q3 9965 000 20152 MMBT3904LT1 SMD SOT23 Q5 9965 000 20152 MMBT3904LT1 SMD SOT23 Q6 9965 000 20152 MMBT3904LT1 SMD SOT23 Q14 9940 000 04144 PNP TRANSISTORS 9015C Q15 9965 000 20152 MMBT3904LT1 SMD SOT23 Q101 9940 000 01193 TRANSISTORS KSB772YS Q102 9940 000 04339 TRANSISTORS PSS8550D Q103 9965 000 2015...

Page 24: ...06E IC503 9940 000 00253 IC SAMSUNG KA7808 MISCELLANEOUS 9940 000 03661 SPK JACK PT 22V11 S18 9940 000 03656 PUSH SWITCH PS 102D13 NS 9940 000 03672 LEAF SWITCH TC 48021 01 9940 000 04376 SWITCH SL14 22AH 5AN 9940 000 04377 16P FLAT FLEX CABLE L 200MM F1 9940 000 04359 FUSE 5X20MM T2A 250V BS VDE 9940 000 04373 TRANSFORMER EI48 117 234V 9940 000 04412 TRANSFORMER 230V 79 tbc TRANSFORMER 120V 37 99...

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