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CCS800 | Service manual | Table of contents
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.3.10
7.3.11
7.3.12
7.3.13
7.3.14
7.3.15
7.3.16
7.4
Measuring spots CPSU board with signal description................................................................. 36
7.5
Measuring instructions for the Delegate and Chairman unit...................................................... 37
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.5.6
7.5.7
7.5.8
7.6
Measuring spots Delegate and Chairman board with signal description .................................. 40
8
New microphone assembly on an old delegate-/ chairman unit................................................................. 41
8.1
Description ....................................................................................................................................... 41
8.2
Implementation ............................................................................................................................... 41
8.3
Electrical modifications................................................................................................................... 41
8.3.1
8.4
Field changes of components on the main board ........................................................................ 42
8.4.1
8.4.2
9
Replacement of the microphone capsule....................................................................................................... 43
9.1
Preparation....................................................................................................................................... 43
9.2
Disassembly ..................................................................................................................................... 43
9.3
Re-assembly ..................................................................................................................................... 43
10
Trunk cable interconnections.......................................................................................................................... 44
10.1
Pin numbers delegate- and chairman extension trunk cable ...................................................... 44
10.2
LBB 3316/00 - CCS800 extension cable and connectors........................................................... 45
11
Mounting instruction new CPSU board in old LBB 3310/00...................................................................... 46
11.1
Needed tools and parts ................................................................................................................... 46
11.2
Drilling instructions......................................................................................................................... 46
12
Spare parts......................................................................................................................................................... 47
12.1.1
12.2
CPSU spare parts list....................................................................................................................... 47
12.2.1
12.2.2
12.2.3
12.2.4
12.3
Delegate- and chairman unit spare parts list................................................................................. 48
12.3.1
12.3.2
12.3.3
12.4
Microphone head spare parts......................................................................................................... 49
Bosch Security Systems | 2005-01| 3922 880 21112
Phantom supply of the external symmetrical microphone input .................................. 23
Supply current measurement. ........................................................................................... 23
Audio contribution to loudspeaker measurement........................................................... 24
Audio contribution to audio distribution measurement ................................................. 25
External microphone input to line out measurement..................................................... 26
Telephone-out, Line-out and Insertion-out measurement.............................................. 27
LINE-IN to REC-OUT Circuit measurement ................................................................. 28
Recorder-in to Line-out measurement ........................................................................... 29
TELEPHONE-IN to LINE-OUT Circuit measurement .............................................. 30
Control line test with mode switch (A)........................................................................... 31
Control line test with mode switch (B) ........................................................................... 32
System volume control test.............................................................................................. 33
Functional AFS test of the LBB 3310/10 ....................................................................... 35
Supply current .................................................................................................................... 37
Internal supply voltages ..................................................................................................... 37
Unit presence ...................................................................................................................... 37
Unit type.............................................................................................................................. 37
Microphone switch and light-ring..................................................................................... 37
Internal signals for Delegate and Chairman units........................................................... 37
Internal signals only for Delegate Units........................................................................... 38
Chairman Only mode........................................................................................................ 39
Service microphone assemblies identification ................................................................. 41
Delegate- and chairman unit component values ............................................................. 42
Diagram and board layout of HW 01-02 ......................................................................... 42
Ordering spare parts ........................................................................................................ 47
LBB 3310/x0 CPSU - Mechanical spare parts ............................................................. 47
LBB 3310/00 CPSU - Printed board assemblies .......................................................... 47
LBB 3310/10 CPSU - Printed board assemblies .......................................................... 47
LBB 3310/x0 CPSU - Printed board spare parts.......................................................... 48
LBB 3331/x0 Chairman unit - Mechanical spare parts ............................................... 48
LBB 3331/x0 Chairman unit - Service assemblies ....................................................... 49
LBB 3331/x0 Chairman unit- Printed boards spare parts ........................................... 49
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