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Micro System MCM3350/12
TABLE 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
SMPS Board
Circuit Diagram..................................................... ...... ...
. .
Layout Diagram ...............................................................
Display 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
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All rights reserved. No part of this publication may be reproduced, stored in
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Koninklijke Philips N.V. and are used by Gibson Innovations Limited under license
from Koninklijke Philips N.V.
Published by Liu wk1520.4 Subject to modification 3140 038 62780
Version 1.0
1 Location of PC Boards & Versions Variation
Location of PC Boards
SMPS Board Main Board
Display Board
V
Versiongs Variation
i V i ti
Type/Version MCM3350
/12
Board in used service Policy
y (EU)
( )
Main Board M+C
Display Board M+C
SMPS Board M+C
Tips:C Component
Tips:C--Component Level Repair
M--Module Level Rpair
2 Technical Specifcatons
MODEMCM3350
TEST CONDITIONS:
1.POWER SUPPLY: AC.Accordiing to Ver
2.REF OUTPUT: 650W , 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#
87.5 87.5 87.5
1 Fvequency Range MHz
108 108 108
88 18 22 12 12
2 26dB QUENTING SENSITIVITY 98 dB 18 22 12 12
107 18 22 12 12
3 -3dB LIMITING POINT 98 dB 20 26 5 6
4 IF REJECTION 98MHZ 98 dB 65 60 >126 >126
5 IMAGE REJECT 98MHZ 107 dB 30 25 >126 >126
MONO 65 60 68 68
6 S/N
ST 55 50 59 58
7 OVERALL DISTERTION % 2 3 0.16 0.18
8 MODULATION HUM dB 50 45 / /
88MHz dBf 28 36 32 30
9 TUNING SENS 98MHz dBf 28 36 32 31
107MHz dBf 28 36 32 31
10 STREO CHANNEL SEPARATION 1KHZ Db 25 18 47 48
11 THD 10% POWER 1KHZ W 50 50'