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Philips MC-320 Service Manual
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Micro System
Service
Service
Service
Service
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Service Manual
©
Copyright 2002 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.
Published by SL 0321 Service Audio
Version 1.0
TABLE OF CONTENTS
Location of PCBs & Version Variations ...................... 1-2
Technical Specifications ............................................. 1-3
Measurement setup .................................................... 1-4
Service Aids, Safety Instruction, etc. .......................... 1-5
Preparations & Controls ............................................. 1-7
Disassembly Instructions ............................................... 2
Set Block diagram ......................................................... 3
Set Wiring diagram ........................................................ 4
Key Board ...................................................................... 5
Power Board .................................................................. 6
Tuner Board ................................................................... 7
MCU & CD Board .......................................................... 8
Connection Board .......................................................... 9
Main Board .................................................................. 10
Set Mechanical Exploded View & Parts List ............... 11
Printed in The Netherlands
Subject to modification
Page
CLASS 1
LASER PRODUCT
GB
MC-320
All Version
3140 785 32530

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Do you have a question about the MC-320 and is the answer not in the manual?

Questions and answers

Jose
March 26, 2025

How do you get the upper cover off…just four screws

1 comments:
Mr. Anderson
March 26, 2025

To remove the upper cover (Top Cabinet) of the Philips MC-320, follow these steps:

1. Remove the Brand Rim Left & Right (Step A).
2. Unscrew and remove the necessary screws labeled B1 (x4).
3. Lift and detach the Top Cabinet.

These steps are part of the disassembly instructions in the manual.

This answer is automatically generated

Summary of Contents for Philips MC-320

  • Page 1 LASER PRODUCT © Copyright 2002 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.
  • Page 2 LOCATION OF PRINTED CIRCUIT BOARDS VERSION VARIATIONS Type/Versions MC-320 Features & Board in used RDS function ECO Standby Aux Input Digital Coaxial Out Line Out Subwoofer Out Headphone Out AC Voltage Selector Non-Cenelec Tuner Cenelec Tuner...
  • Page 3 SPECIFICATIONS GENERAL: Mains voltage /21 : 110V ~ 127V / 220V ~ 240V Tuning range : 153-279kHz Switchable /22/25 : 220V ~ 230V Grid : 3kHz /30 : 240V IF frequency : 450kHz ± 1kHz Aerial input : Frame aerial 18.1µH /15/33 : 220V /37 : 120V Maximum Sensitivity...
  • Page 4 MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter...
  • Page 5 SERVICE AIDS Service Tools: ESD Equipment: Universal Torx driver holder ........4822 395 91019 Anti-static table mat - large 1200x650x1.25mm ... 4822 466 10953 Torx bit T10 150mm ..........4822 395 50456 Anti-static table mat - small 600x650x1.25mm ..4822 466 10958 Torx driver set T6 - T20 .........
  • Page 6 WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically. de levensduur drastisch doen verminderen. When repairing, make sure that you are Zorg ervoor dat u tijdens reparatie via een connected with the same potential as the mass...
  • Page 7 PREPARATIONS AND CONTROLS...
  • Page 8 PREPARATIONS AND CONTROLS...
  • Page 9 PREPARATIONS AND CONTROLS...
  • Page 10 1-10 PREPARATIONS AND CONTROLS...
  • Page 11 DISASSEMBLY INSTRUCTIONS B1 (x4) A. To remove Brand Rim Left & Right B. To remove Top Cabinet C. To remove Bottom Cabinet D. To remove Tape Deck E. To remove Left & Right Metal Side Bars B2 (x4) F. To remove CD Bracket G.
  • Page 13 SET BLOCK DIAGRAM LCD DRIVE IC HT1622 TO POWER TMP87EP26F SUPPLY HEADPHONE OUT AM ANT TO CASS DECK AM IF AM OSC POWER IC 101 AN17830A TA2149BN TU-L TDA T468D FUNCTION IC TU-R PRE-AMP NJM4556AM FM RF 9257F STP16 P/B-R N106 P/B-L BA316N...
  • Page 14 SET WIRING DIAGRAM...
  • Page 15 HT1622 Block Diagram D i s p l a y R A M O S C I C o n t r o l C O M 0 a n d T i m i n g C O M 7 KEY BOARD C i r c u i t L C D D r i v e r /...
  • Page 16 CIRCUIT DIAGRAM - FRONT BOARD...
  • Page 17 LAYOUT DIAGRAM - FRONT BOARD LAYOUT DIAGRAM - FRONT BOARD COMPONENT SIDE SMD SIDE...
  • Page 18 ELECTRICAL PARTSLIST - KEY BOARD - MISCELLANEOUS - CN901 9965 000 18230 CONN 16P H P=1.0 LCD901 9965 000 18252 LCD MC320 LED901 9965 000 18253 LED WHITE LED902 9965 000 18253 LED WHITE LED903 9965 000 18254 LED GREEN LED904 9965 000 18254 LED GREEN LED905...
  • Page 19 POWER BOARD TABLE OF CONTENTS Circuit Diagram .............. 6-2 PCB Layout ..............6-3 Electrical Parts L L ist............6-4...
  • Page 20 CIRCUIT DIAGRAM...
  • Page 21 POWER PCB LAYOUT...
  • Page 22 ELECTRICAL PARTSLIST - POWER BOARD - MISCELLANEOUS - CN701 9965 000 18244 CONN BASE 10P P=2.54 F701 9965 000 18245 FUSE 1.25A TSD 250V /21/37 F701 9965 000 11351 FUSE 800mA 250V /22/25/30 F703 9965 000 18246 FUSE 125mA TAPPING F704 9965 000 18247 FUSE 6.3A TAPPING...
  • Page 23 AM/FM TUNER IC TA2149BN TUNER BOARD TABLE OF CONTENTS IC Block Diagram ............. 7-1 to 7-3 Circuit Diagram_Non Cenelec ............ 7-4 Layout Diagram-Component_Non Cenelec ....... 7-5 Layout Diagram-SMD_Non Cenelec .......... 7-5 Circuit Diagram_Cenelec ............7-6 Layout Diagram-Component_Cenelec ........7-7 Layout Diagram-SMD_Cenelec ..........7-7 Electrical parts list ..............
  • Page 24 RDS/RBDS DECODER RDS/RBDS DECODER BU1923F BU1923F Pins Description BLOCK DIAGRAM 560p Pin No. Symbol Pin name Functions Input/Output type 100k QUAL Demodulator quality Good data: High, bad data : Low Type C RDATA Demodulator data Refer to output data timing 270p 120k 100k...
  • Page 25 DIGITAL TUNING IC DIGITAL TUNING IC TC9257F TC9257F...
  • Page 26 CIRCUIT DIAGRAM - TUNER BOARD (NON CENELEC)
  • Page 27 LAYOUT DIAGRAM - TUNER BOARD (NON CENELEC) LAYOUT DIAGRAM - TUNER BOARD (NON CENELEC) COMPONENT SIDE COPPER SIDE...
  • Page 28 CIRCUIT DIAGRAM - TUNER BOARD (CENELEC)
  • Page 29 LAYOUT DIAGRAM - TUNER BOARD (CENELEC) LAYOUT DIAGRAM - TUNER BOARD (CENELEC) COMPONENT SIDE COPPER SIDE...
  • Page 30 ELECTRICAL PARTSLIST - TUNER BOARD (NON CENENLEC) ELECTRICAL PARTSLIST - TUNER BOARD (CENENLEC) - MISCELLANEOUS - - IC & TRANSISTORS - - MISCELLANEOUS - - IC & TRANSISTORS - CN102 9965 000 18259 AM ANT TERMINAL 2P Q122 4822 130 42804 BC817-25 CN102 9965 000 18259 AM ANT TERMINAL 2P...
  • Page 31 MICROPROCESSOR TA2153FN BLOCK DIAGRAM MCU & CD BOARD TABLE OF CONTENTS IC Information ..............8-1 to 8-6 Circuit Diagram ................8-7 Layout Diagram-Component ............8-8 Layout Diagram-SMD ..............8-9 Electrical parts list ..............8-10...
  • Page 32 MICROPROCESSOR MICROPROCESSOR TMP87EP26F TMP87EP26F BLOCK DIAGRAM PINS DESCRIPTION...
  • Page 33 MICROPROCESSOR POWER DRIVER IC TA2092N TMP87EP26F PINS DESCRIPTION...
  • Page 34 DIGITAL SERVO PROCESSOR TC9462F BLOCK DIAGRAM...
  • Page 35 DIGITAL SERVO PROCESSOR DIGITAL SERVO PROCESSOR TC9462F TC9462F PINS DESCRIPTION PINS DESCRIPTION...
  • Page 36 DIGITAL SERVO PROCESSOR DIGITAL SERVO PROCESSOR TC9462F TC9462F PINS DESCRIPTION PINS DESCRIPTION...
  • Page 37 CIRCUIT DIAGRAM - MCU&CD BOARD...
  • Page 38 LAYOUT DIAGRAM - MCU&CD BOARD COMPONENT SIDE...
  • Page 39 LAYOUT DIAGRAM - MCU&CD BOARD SMD SIDE...
  • Page 40 8-10 8-10 ELECTRICAL PARTSLIST - CD MCU BOARD - MISCELLANEOUS - - IC & TRANSISTORS - CN301 9965 000 18272 CONN 16P Q401 5322 130 44593 BC369 CN302 9965 000 18232 CONN 30P P=1.25 V Q405 4822 130 40981 BC337-25 CN303 9965 000 18273 CONN 9P Q406...
  • Page 41 CONNECTION BOARD TABLE OF CONTENTS Circuit Diagram ..............9-2 PCB Layout..............9-3 Electrical Parts List............9-4...
  • Page 42 CONNECTION PCB CIRCUIT DIAGRAM...
  • Page 43 CONNECTION PCB LAYOUT DIAGRAM...
  • Page 44 ELECTRICAL PARTSLIST - CONNECTION BOARD - MISCELLANEOUS - CN403 9965 000 18229 CONN P=1.5 H 6PIN CN404 9965 000 18230 CONN 16P H P=1.0 CN405 9965 000 18231 CONN 22P P=1.0 H Note: Only these parts mentioned in the list are normal service parts.
  • Page 45 10-1 10-1 IC BLOCK DIAGRAM AN17830A CH1-IN CH1-O+ TSD PROT CIRCUIT CH1-O- CH2-IN MAIN BOARD MUTE CH2-O+ MUTE STBY CH2-O- STBY CIRC TABLE OF CONTENTS IC Block Diagram ..............10-1 Circuit Diagram - Main Board ........... 10-2 IC BLOCK DIAGRAM Circuit Diagram - Tape Part............10-3 TA8142AP Component Layout - Main PCB ..........
  • Page 46 10-2 10-2 MAIN BOARD - CIRCUIT DIAGRAM...
  • Page 47 10-3 10-3 TAPE PART - CIRCUIT DIAGRAM...
  • Page 48 10-4 10-4 MAIN PCB - COMPONENT LAYOUT...
  • Page 49 10-5 10-5 MAIN PCB - SMD LAYOUT...
  • Page 50 LEFT LEFT LEFT LEFT - IC & TRANSISTORS - CN502 9965 000 18233 CONN 13P P=1.25 V J501 9965 000 18238 JACK-AV 2 MC-320 IC201 4822 209 30188 BA3126N J601 9965 000 14524 HEADPHONE JACK IC202 4822 209 32082 TA8142AP...
  • Page 51 11-1 11-1 EXPLODED DRAWING (8x) (4x) SCREW LIST : KT2.6 x 6 (9x) KT2.6 x 8 (2x) T3 x 8 T3 x 10 (4x) T3 x 12 T4 x 8 Only for /21 (2x) (3x) (1x) (3x) (4x) (4x) (4x) (2x) (4x) (1x)
  • Page 52 KEY SET FUNCTION 9965 000 18324 IFU MC320/37 9965 000 18194 KEY DISPLAY CAP 9965 000 18218 SPK BOX MC-320 20W L.R 9965 000 18203 KEY DISPLAY BRACKET 9965 000 18219 POWER TRANS. H /21 9965 000 18196 KEY REC CAP 9965 000 18299 POWER TRANS.