Text preview for : service.pdf part of Philips service Philips Audio BTB1370 service.pdf



Back to : service.pdf | Home

Micro System BTB1370/12




TABLE OF CONTENTS
Chapter
Location of PC Boards & Versions Variation .......................... 1
Technical Specifications......................................................... 2
Safety instruction.....................................................................3

Set Block Diagram...................................................................4

Set Wiring Diagram .................................................................5
Disassembly Diagram .............................................................6
Main Board...............................................................................7
Circuit Diagram ................................................................7-1
Layout Diagram................................................................7-2
Display Board............................................................................8
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



5 Gibson


Gibson
Gibson

3140 038 63220
Published by Xu & Sam wk1526 Subject to modification


Version1.0
2. Technical Specification
TEST CONDITIONS:
1.POWER SUPPLY: AC.Accordiing to Ver
2.REF OUTPUT: 410W , 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 18 18
2 26dB QUENTING SENSITIVITY 98 dB 18 22 18 18
107 18 22 20 19
3 -3dB LIMITING POINT 98 dB 20 26 9 10
4 IF REJECTION 98MHZ 98 dB 65 60 >126 >126
5 IMAGE REJECT 98MHZ 107 dB 30 25 >126 >126
6 S/N MONO 65 60 72 72
7 OVERALL DISTERTION % 2 3 0.13 0.12
8 MODULATION HUM 10%THD S/N dB 50 45 73 72
88MHz dBf 28 36 33 33
9 TUNING SENS 98MHz dBf 28 36 35 35
107MHz dBf 28 36 35 35
10 STREO CHANNEL SEPARATION 1KHZ Db 30 26 41 42
11 THD 10% POWER 1KHZ W 10