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Micro System DCM2330/ALL
T
ABLE OF CONTENTS Chapter
Location of PC Boards & Versions Variation ........................ 1
Technical Specifi ations................................. .................... 2
c
safety instruction...................................................................3
Set Block Diagram.................................................................4
Set Wiring Diagram ...............................................................5
Disassembly Diagram ........................................................... 6
Main Board
Circuit Diagram ................................................. ...........7-1
Layout Diagram.............................................................. 7-2
Display Board
Circuit Diagram................................................................8-1
Layout Diagram ...............................................................8-2
IPOD Board
Circuit Diagram ............................................................... 9-1
Layout Diagram 9-2
...............................................................
Mechanical Exploded View ..................................................10
Trouble Shooting.......................................................11
Software Upgrade & Procedure To Restore Product Setting....12
Revision list ......................................................................... 13
Copyright 2013 WOOX Innovations Limited.
All rights reserved. No part of this publication may be reproduced, stored in
a retrieval systemor transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of
WOOX Innovations. Philips and the Philips'Shield Emblem are registered
trademarks of Koninklijke Philips N.V. and are used by WOOX Innovations
Limited under license from Koninklijke Philips N.V.
Published by Liu wk1416 Subject to modification 3140 038 61770
Version 1.0
1.Location of PC Boards & Versions Variation
Boards
Location of PC Boards
Location
Display Board
Main Board
Versions Variation
Type/Version DCM2330
Board in used Service Policy /12
Main board M+C
Display board M+C
Tips: C--Component Level Repair
M--Module Level Rpair
2 TechnicalSpecifcatons
DCM2330
TEST CONDITIONS:
1.POWER SUPPLY: AC.Accordiing to Ver
2.REF OUTPUT: 4 1W , Sound effect off
3.FM MONO: 22.5KHz Dev,1KHz MODULATION ,75 IMPEDANCE ,60dBu
4.FM STEREO : MAIN+SUB = 50KHz, PILOT : 10KHz,COMPOSITE: 40.0KHz
FM SECTION
TEST DATA
NO TEST ITEMS UNIT NOM. LIMIT
1# 2# 3#
87.5 87.5 87.5 87.5
1 Fvequency Range MHz
108 108 108 108
88 18 22 14 14 14
2 26dB QUENTING SENSITIVITY 98 dBf 18 22 14 14 14
107 18 22 15 15 15
3 -3dB LIMITING POINT 98 dBf 20 26 8 8 7
4 FM IF REJECTION 98MHZ S/N=26dB 98 dB 55 50 70 70 71
5 IMAGE REJECT 98MHZ S/N=26dB 107 dB 24 20 70 70 71
MONO 55 50 68 69 70
7 S/N
ST 55 50 66 66 66
8 OVERALL DISTERTION % 2 3 0.2 0.2 0.1
9 MODULATION HUM dB 50 45 67 63 71
88MHz dBf 30 25 23 23 21
11 TUNING SENS 98MHz dBf 30 25 23 23 21
107MHz dBf 30 25 24 24 24
15 THD 10% POWER W 10.6/10.6 10.1/10.1 10.6/10.6
CD SECTION
TEST DATA
NO TEST ITEMS UNIT NOM. LIMIT
1# 2# 3#
1 TOTAL HARMONIC DISTORTION 1KHz % 1.5 2 0.1 0.1 0.2
2 S/N (1KHz,A-weightde) dBA 76 70 80 80 80
FREQUENCY RESPONSE AT 63Hz dB