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Micro System BTB2315
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
Display Board
Circuit Diagram................................................................8-1
Layout Diagram ...............................................................8-2
Mechanical Exploded View ..................................................9
Trouble Shooting.......................................................10
Software Upgrade & Procedure To Restore Product Setting....11
Revision list ......................................................................... 12
Copyright 2014 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 wk1447.4 Subject to modification 3140 038 62460
Version 1.0
1.Location of PC Boards & Versions Variation
Location of PC Boards
Main DSPLAY
Main Board
M i B d
Versiongs Variation
Type/Version BTB2315
/12
Board in used service Policy (EU)
Main Board
M i B d M
Display Board M
Tips:C--Component
Tips:C Component Level Repair
M--Module Level Rpair
2 TechnicalSpecifcatons
MODE:BTB2315
TEST CONDITIONS:
1.POWER SUPPLY: AC.Accordiing to Ver
2.REF OUTPUT: 6 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
5# 4# 8#
87.5 87.5 87.5 87.5
1 Fvequency Range MHz
108 108 108 108
88 18 22 16 15 16
2 26dB QUENTING SENSITIVITY 98 dBf 18 22 16 15 16
107 18 22 16 15 16
3 -3dB LIMITING POINT 98 dBf 20 26 15 15 16
4 FM IF REJECTION 98MHZ S/N=26dB 98 dB 65 60 124 124 124
5 IMAGE REJECT 98MHZ S/N=26dB 107 dB 30 25 124 123 125
MONO 65 60 63 64 64
6 S/N
ST 55 50 / / /
7 OVERALL DISTERTION % 2 3 0.3 0.16 0.2
8 MODULATION HUM dB 50 45 45 50 46
88MHz dBf 24 30 32 32 32
9 TUNING SENS 98MHz dBf 24 30 32 32 32
107MHz dBf 24 30 32 32 32
10 STREO CHANNEL SEPARATION 1KHZ Db 25 18 40/40 39/40 40/40
11 THD 10% POWER 1KHZ W 7'.5