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Bosch CCS800, Service Manual

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CCS800 | 

Service manual | Chapter 7 | Diagnostics and faultfinding 

en | 27 

 

 

Bosch Security Systems | 2005-01| 3922 880 21112 

7.3.8

 

Telephone-out, Line-out and Insertion-out measurement 

Connect a sine-wave generator to the LINE-IN connector and measure successively the output signal at the 
TELEPHONE-OUT (M109), LINE-OUT (M119) and INSERTION-OUT“ (M169) connector. 
 

 
Input setting G1: M110 related to M111 (GND), see table below. 
 

 

Settings for G1 

Measurement results for A1 

 Amplitude 

Frequency 

Amplification 

Nominal level 

-14dBV (200mV

rms

) 

1kHz 

-14dBV ± 1dB  (85dB SPL) 

Maximum level 

+11dBV (3.55V

rms

) 

1 kHz 

+11dBV ± 1dB  (110dB SPL) 

Bandwidth 

-14dBV (200mV

rms

) 

125 Hz 

-0.5dB ± 2dB related to nom. level at 1kHz 

Bandwidth -14dBV 

(200mV

rms

) 

12.5 kHz 

-1.0dB ± 1dB related to nom. level at 1kHz. 

 
 

Reference: 

M169 

See Ch. 13.5 

 

M109, 119 

See Ch. 13.6 

 

Summary of Contents for CCS800

Page 1: ...CCS800 Service manual en Discussion system ...

Page 2: ......

Page 3: ...ned service personnel with awareness of hazards of electronically equipment must be allowed to service this product Under no circumstances should the original design be modified or altered without written permission from Bosch Security Systems Bosch assumes no liability arising out of any unauthorized modification of design Warning Use of substitute replacement parts which do not have the same spe...

Page 4: ... 1 LBB 3331 50 Chairman Unit with long Microphone stem 13 2 5 2 Block diagram chairman unit 13 2 6 Audio level diagram delegate and chairman units 14 3 Controls and indicators 15 3 1 Control and Power Supply Unit CPSU 15 3 2 Delegate and chairman units 16 4 Technical data 17 4 1 Power supply 17 4 1 1 Additional technical specification for test environment 17 5 Microphone stem adjustment 18 6 Maint...

Page 5: ...te 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 Service microphone assemblies identification 41 8 4 Field changes of components on the main board 42 8 4 1 Delegate and chairman unit component values 42 8 4 2 Diagram and board layout of HW 01 02 42 9 Replacem...

Page 6: ... 6 Circuit diagrams CPSU sh 3 4 Audio input and output 58 13 7 Circuit diagrams CPSU sh 4 4 External microphone input 59 13 8 Board layout AFS PCB 60 13 8 1 Jumpers and connectors 60 13 9 Exploded view delegate chairman unit 61 13 10 Board layout delegate unit 62 13 11 Measuring points delegate and chairman unit 63 13 12 Circuit diagram delegate unit 64 13 13 Board layout chairman unit 65 13 14 Ci...

Page 7: ...ote Alert containing additional information Usually Not observing a note alert does not result in damage to the equipment or personal injuries Caution The equipment can be damaged if the alert is not being observed Warning Person can be severely injured or the equipment can be seriously damaged if the alert is not being observed Danger Not observing the alert can result in death 1 5 Policy Procedu...

Page 8: ...pair policy CCS800 LBB3310 00 8900 331 00001 Control unit and power supply unit Central repair CCS800 LBB3310 00D 8900 331 00021 Control unit and power supply unit UL Central repair CCS800 LBB3310 00 8900 331 00005 Control unit and power supply unit Bosch Central repair CCS800 LBB3310 10 8900 331 01001 Control unit and power supply unit with AFS Bosch Central repair CCS800 LBB3311 00 8900 331 1000...

Page 9: ...CCS800 Service manual Chapter 1 General information en 7 Bosch Security Systems 2005 01 3922 880 21112 1 6 Example RMA request form ...

Page 10: ...B 3310 00 Control and Power Supply Unit CPSU The CPSU is the heart of the discussion system which controls the microphones of the chairman and delegate units as well as providing facilities for audio inputs and outputs It also supplies the power for the CPSU chairman unit s and delegate unit s 2 1 1 Block diagram CPSU ...

Page 11: ... 2 Introduction en 9 Bosch Security Systems 2005 01 3922 880 21112 2 2 LBB 3310 10 Control and Power Supply Unit with AFS This model CPSU has additional an Acoustic Feedback Suppression PCB inside 2 2 1 Block diagram CPSU with AFS ...

Page 12: ...CCS800 Service manual Chapter 2 Introduction en 10 Bosch Security Systems 2005 01 3922 880 21112 2 2 2 Audio level diagram CPSU ...

Page 13: ...nload of the firmware is performed in a factory environment In CCS800 the module is included in the signal chain After power up the board will boot from the on board boot EEPROM copy the program available in flash ROM into SDRAM and execute the program code in SDRAM 2 3 2 Block diagram AFS board The module supports 4 channel analog input and 2 channel audio output I2C is provided for control of co...

Page 14: ...erconnected with the loudspeaker When one or both headphone connections are used and the microphone is not on the loudspeaker is switched OFF It has a protected loop through interconnection In case of disconnection or interruption of the system cable to the next unit the system cable will automatically be terminated with the correct impedance 2 4 1 LBB 3330 50 Delegate Unit with Long Microphone St...

Page 15: ...ys activates the chairman microphone Pressing the priority button will deactivated all active delegate units and activates the chairman s microphone Release of the button will either leave them deactivated or activates them again depending on the setting of the chairman unit Pressing the priority button may be indicated by a chime tone Further equal to LBB 3330 00 2 5 1 LBB 3331 50 Chairman Unit w...

Page 16: ...CCS800 Service manual Chapter 2 Introduction en 14 Bosch Security Systems 2005 01 3922 880 21112 2 6 Audio level diagram delegate and chairman units ...

Page 17: ...he built in loudspeaker in the CPSU or a connected headphone to monitor the discussion Headphone socket X8 Headphone socket 3 5mm with built in switch Rear Function Trunk in out X2 X3 2x 7p DIN female socket for trunk cables to delegate and chairman units Microphone X9 3p XLR female socket for external microphone input Telephone and Insertion X11 4x Cinch sockets for in output Recorder Tape and Li...

Page 18: ...runk input Cable 2 meter with 7 pole DIN connector Trunk output Loop through output socket 7 pole DIN Side Thumbwheel R54 Rotary volume control for headphones Headphone jack s X6 X7 2 x 3 5 mm stereo jack headphone sockets Inside Adjustment microphone capsule R72 Potentiometer to adjust the sensitivity of the microphone Access via bottom hole See chapter 5 Additional for chairman units Top Button ...

Page 19: ...sions 125mm x 75mm Danger Heat sink is electrical connected to live of mains input depending on polarity 4 1 1 Additional technical specification for test environment Load range Output Min load Rated load Peak load Voltage accuracy 24V 0A 1 7A 2 5A 24 0 6V For a practical load test connect e g a resistor of 15 Ohm min 40W between the terminals 24V and GND Line regulation Line input Load Regulation...

Page 20: ... figure below To make a home made reference source mount inside an empty microphone head e g a paging bleeper as ref Loudspeaker CPSU AC mV meter Measurements Test procedure Comment 1 Connect the CCS800 unit with the CPSU Select only one active microphone on the CPSU 2 Connect to the Line out of the CPSU the AC mV meter X12 see chapter 3 1 3 Adjust the audio source to approx 1kHz The audio level o...

Page 21: ...ion Do not change the audio setting adjustments 5a Read the audio level on the AC meter Take note of the value 5b Tune R72 to the audio ref level as measured before in 4a That s all Note In the bottom housing is a small hole for access to R72 Use a watchman screwdriver with 1 5 to 2 0 mm blade 270 degree rotation is to 3dB sensitivity variation Never adjust the microphone when it is not necessary ...

Page 22: ...Fault finding describes how to measure possible defects in circuit sections Some common SMD components are available for local workshop repair The selection is based on field repairs experience See the PCB spare parts lists of chapter s 12 2 4 CPSU and 12 3 3 Delegate and Chairman units 6 2 2 Mechanical repair A selection of mechanical components is available to replace damaged and wear out parts ...

Page 23: ...he chairman unit 7 1 3 Testing The AUTO 1 mode In this mode maximum one delegate unit can be active at the same time The test procedure is the same as the OPEN mode with the exception that the microphone automatically will switch off after a period of 30 sec silence 7 1 4 Testing the OVERRIDE mode Put the mode switch of the CPSU in the OVERRIDE mode Press the microphone switch on one of the delega...

Page 24: ...Settings before you start measuring 7 3 2 Internal Supply Voltages 7 3 3 Phantom supply of the external symmetrical microphone input 7 3 4 Supply current measurement 7 3 5 Audio contribution to loudspeaker measurement 7 3 6 Audio contribution to audio distribution measurement 7 3 7 External microphone input to line out measurement 7 3 8 Telephone out Line out and Insertion out measurement 7 3 9 LI...

Page 25: ...mount a 25 Ohm resistor on X5 pt 2 and 4 M57 M59 See illustration chapter 13 3 1 7 3 2 Internal Supply Voltages Connect the CPSU to the mains and measure the following internal supply lines related to M2 GND Measuring points on the bottom layout are colored in blue See chapter 13 3 Measuring points Measurement results M6 V 19 5 V 400 mV M7 V 4 5 V 100 mV M15 15 V 750 mV M25 5 V 250 mV M26 7 5 V 35...

Page 26: ...n M59 and M57 Input setting G1 X11 p 1 related to M2 GND see table below Settings for G1 Measurement results for A1 Amplitude Frequency Sound level Nominal level 36 dBV 15 8 mVrms 1 kHz 7 8 dBV 1 5dB 72 dB SPL Bandwidth 36 dBV 15 8 mVrms 125 Hz 6 5 dBV 2 dB related to nom level at 1 kHz Bandwidth 36 dBV 15 8 mVrms 12 5 kHz 2 5dB 1 0dB related to nom level at 1kHz Reference M2 See Ch 13 4 M57 59 X5...

Page 27: ...setting of the Master Gain at maximum position for measurements only the AUDIO CONTR must be adjusted to 36dBV instead of 28dBV Maximum level Maximum level of 110dB SPL from unit microphone gives 3dBV at AUDIO CONTR Input setting G1 X11 p 1 related to M2 GND see table below Settings for G1 Measurement results for A1 Amplitude Frequency Amplification Nominal level 36dBV 15 8 mVrms 1kHz 9 4dBV 1dB 8...

Page 28: ...ion Input setting G1 X130 p 2 related to X130 p 1 GND and X130 p 3 related to X130 p 1 GND see table below Settings for G1 Measurement results for A1 Amplitude Frequency Amplification Nominal level 56 dBV 1 6 mVrms 1 kHz 15 dBV 2dB 85dB SPL Maximum level 31 dBV 28 2 mVrms 1 kHz 10 dBV 2 dB 110 dB SPL Bandwidth 56 dBV 1 6 mVrms 125 Hz 3dB 2dB related to nom level at 1kHz Bandwidth 56 dBV 1 6 mVrms ...

Page 29: ...UT M109 LINE OUT M119 and INSERTION OUT M169 connector Input setting G1 M110 related to M111 GND see table below Settings for G1 Measurement results for A1 Amplitude Frequency Amplification Nominal level 14dBV 200mVrms 1kHz 14dBV 1dB 85dB SPL Maximum level 11dBV 3 55Vrms 1 kHz 11dBV 1dB 110dB SPL Bandwidth 14dBV 200mVrms 125 Hz 0 5dB 2dB related to nom level at 1kHz Bandwidth 14dBV 200mVrms 12 5 k...

Page 30: ... the RECORDER OUT M129 connector Input setting G1 M110 related to M111 GND see table below Settings for G1 Measurement results for A1 Amplitude Frequency Amplification Nominal level 14dBV 200mVrms 1kHz 20dBV 2dB 85dB SPL Maximum level 11dBV 1 78mVrms 1 kHz 5dBV 2dB 110dB SPL Bandwidth 14dBV 200mVrms 125 Hz 0 5dB 1dB related to nom level at 1kHz Bandwidth 14dBV 200mVrms 12 5 kHz 0 5dB 1dB related t...

Page 31: ...connector NOTE be sure that the gain control potentiometer R200 of the recorder input is set to the middle position Input setting G1 M121 M122 related to M124 GND see table below Settings for G1 Measurement results for A1 Amplitude Frequency Amplification Nominal level 20dBV 100mVrms 1kHz 16 5dBV 2dB 85dB SPL Maximum level 5dBV 1 78Vrms 1 kHz 9 5dBV 2dB 110dB SPL Bandwidth 20dBV 100mVrms 125 Hz 0 ...

Page 32: ...L connector Measure the output signal at the LINE OUT connector Input setting G1 M150 related to M151 GND see table below Settings for G1 Measurement results for A1 Amplitude Frequency Amplification Nominal level 14dBV 200mVrms 1kHz 14dBV 1dB 85dB SPL Maximum level 11dBV 3 55Vrms 1 kHz 11dBV 1dB 110dB SPL Bandwidth 14dBV 200mVrms 125 Hz 0 5dB 2dB related to nom level at 1kHz Bandwidth 14dBV 200mVr...

Page 33: ... related to M2 GND Mode switch Measurement values for A1 V Position S2 M33 bit 3 M32 bit 2 M31 bit 1 M30 bit 0 M4 Control L1 M5 Control L2 Auto 1 0 10 0 0 2 5 2 9 Auto 2 0 10 0 10 2 5 2 9 Auto 3 0 10 10 0 2 5 2 9 Auto 4 0 10 10 10 2 5 2 9 Open 1 0 15 0 0 2 5 5 7 Open 2 0 15 0 10 2 5 5 7 Open 3 0 15 10 0 2 5 5 7 Open 4 0 15 10 10 2 5 5 7 Override 10 10 0 0 1 0 5 7 Chairman only 10 10 0 10 1 0 14 Te...

Page 34: ...via M4 Set the mode switch S2 is each position and measure the voltages at M4 related to M2 GND Mode switch Measurement values for A1 V Including current Position S2 M4 Control L1 Auto 1 11 8 Auto 2 5 83 Auto 3 4 5 Auto 4 3 93 Open 1 11 8 Open 2 5 83 Open 3 4 5 Open 4 3 93 Tolerances CTRL L1 incl current levels is 250mV NOTE Set the mode switch S2 back to the minimum left position Test Reference S...

Page 35: ...8mVrms with a frequency of 1 kHz Position of the loudspeaker volume control switch S3 Measurement results for A1 Amplification at M3 position 10 9 4dBV 1dB position 9 11 4dBV 1dB position 8 13 4dBV 1dB position 7 15 4dBV 1dB position 6 17 4dBV 1dB position 5 19 4dBV 1dB position 4 21 4dBV 1dB position 3 23 4dBV 1dB position 2 25 4dBV 1dB position 1 27 4dBV 1dB position 0 70dBV selective or 70 dBV ...

Page 36: ...t on CPSU board X10 3 audio out to X10 5 audio in AFS board is not required for this test Input setting G1 X11 p 1 related to M2 GND see table below settings for G1 measurement results for A1 Amplitude Frequency Amplification Nominal level 28dBV 39 8mVrms 1 kHz 14dBV 2dB 85dB SPL Maximum level 3dBV 794mVrms 1 kHz 11dBV 2dB 110dB SPL Bandwidth 28dBV 39 8mVrms 125 Hz 0 5dB 1dB related to nom level a...

Page 37: ...udio regulation of the AFS when mic is close to the loudspeaker When AFS is switched Off at volume pos 10 sharp feedback whistle tone starts immediately Switch On AFS feedback audio stops Not correct operating AFS board If the AFS board not operates as above described send the board or CPSU to the Bosch central repair facility Note Valid for LBB3310 10 with AFS only Be sure that the cable clamp on...

Page 38: ... CTRL L1 M5 CTRL L2 M6 V M7 V M9 SUPP 24V M15 15V M25 5V M26 7 5V M27 10V M28 12V M30 BIT0 M31 BIT1 M32 BIT2 M33 BIT3 M55 M57 X5 LSP M59 X5 LSP M109 TELEPHONE OUT M110 LINE IN M111 GND line M119 LINE OUT M121 REC IN L M122 REC IN R M124 GND rec M129 REC OUT L R M131 MIC IN M132 MIC IN M133 GND mic M145 XLR signal M150 TELEPHONE IN M151 GND telephone M160 INSERTION IN M161 GND insertion M169 INSERT...

Page 39: ...current from V by means of a current meter in the power supply line This should be between 12mA and 22mA 7 5 2 Internal supply voltages Measure the internal supplies on the Units itself of 15V via M15 and 5V via M12 both related to M2 internal 0V a at M15 this should be 15V 750mV b at M12 this should be 5V 250mV Note From Data book the IC itself is specified as 250mV 7 5 3 Unit presence To detect ...

Page 40: ...d measure the DC voltage via M5 related to M2 GND Detect the presence of a voltage pulse 13 0V after the pulse of 5 7V 7 5 7 2 Maximum number 1 2 3 or 4 of Delegate units that can be activated at the same time MAXNOM Connect at least two Delegate units to the CPSU Set the Mode switch at the CPSU in the Auto 1 mode Measure the DC voltage via M36 related to M2 GND Activate one Delegate unit by press...

Page 41: ...ssing the priority button at the Chairman unit s RMO Connect a Delegate and a Chairman unit to the CPSU Set the Microphone switch of the chairman unit see Priority button in position 1 Press the microphone button on the Delegate unit The light ring illuminates Press the priority button of the Chairman unit The light ring goes out Release the priority button The microphone and light ring of the Del...

Page 42: ...yes M8 Internal 0V yes yes M12 5V yes yes M14 POWER RESET yes yes M15 15V yes yes M31 TEST yes yes M32 n a yes NO M33 n a yes NO M34 n a yes NO M35 n a yes NO M36 n a yes NO M37 RMO TRMO NO yes M41 MIC KEY yes yes M42 Chime disable enable NO yes M43 PRIORITY KEY NO yes M57 X5 LSP yes yes M59 X5 LSP yes yes M68 HEADPH yes yes M70 MIC LED yes yes M72 MIC KEY yes yes M75 Mic amplifier out yes yes M82...

Page 43: ...number Hardware release Serial number LBB 3330 00 01 03 032665 LBB 3330 50 01 03 014359 LBB 3331 00 01 03 003156 LBB 3331 50 01 03 001910 Type number Service number Factory number LBB 333x 00 5322 242 10918 3922 156 20222 LBB 333x 50 5322 242 10919 3922 156 20232 8 3 Electrical modifications There are no drivers on mic LED headboard These are located on the main board Electrically is nothing chang...

Page 44: ...ng is too low in respect to the installed units change the components R169 and R170 on the main board in order to increase the led current 8 4 1 Delegate and chairman unit component values Type numbers Hardware release Old mic head led resistors New mic head led resistors LBB 3330 LBB 3331 01 02 R169 330E R170 330E R169 150E R170 180E 8 4 2 Diagram and board layout of HW 01 02 Note For current ver...

Page 45: ...ule 2 with you fingers and turn the capsule counter clockwise in order to straighten the wires The microphone wires are factory twisted Pull the capsule outside the cover housing The wires are not long but just long enough to unsolder the wires of the capsule When removing the wires with a soldering iron take care not to damage the cover housing 9 3 Re assembly Remove careful the rubber suspension...

Page 46: ...ion Color 1 Audio contribution White 2 Coax shields 2x 3 Audio distribution Violet 4 Control line 1 Yellow 5 Control line 2 Green 6 Power supply Red 7 Power supply Blue Note Control line wires 1 and 2 are twisted pair pin4 5 Audio contribution pin 1 and audio distribution pin 3 wires is individual coaxial screened pin 2 Extension trunk cable LBB 3316 xx Connector to X1 on PCB Lift connector to rem...

Page 47: ...ation cable 6mm Ø 100 meter with set of 5 male and female connectors LBB 3316 00 8900 331 60005 CCS800 trunk cable connectors Hirschmann type nr Hirschmann code nr Hirschmann model Male 7 Pol DIN Cable Plug MAS70S 930 356 500 black 930 356 517 grey Female 7 Pol DIN Cable Socket MAK70S 930 388 517 grey Attenuator SLB code nr Diagram Attenuator model Microphone input attenuation 50dB XLR microphone ...

Page 48: ... 1 Needed tools and parts Tools Drilling machine screwdriver and socket spanner 3 mm Drill 3 2 mm Countersink drill Alu or plastic sheet for drilling template Fixing material 3x countersunk head screw M3 x 8 or 10 mm 3x distance bush 3 2 x 5 mm 3x washer 3 2 mm 3x nut M3 11 2 Drilling instructions 1 Make a drilling template according the dimensional sketch Use the indicated reference hole B for th...

Page 49: ... CPSU Philips 5322 441 12204 1 Upper housing part CPSU Bosch 3922 156 28120 3 Knob control gray Philips 5322 410 11877 3 Knob control silver Bosch 3922 150 05100 4 Knob on off green Philips 5322 410 11878 4 Knob on off silver Bosch 3922 150 05110 6 Power switch cable assembly 5322 276 13983 9 Loudspeaker PF302 3 Inch 5322 240 30708 10 Loudspeaker spring 5322 492 11411 12 Appliance inlet 2p e 10a 5...

Page 50: ...mparator Quad LM339D 9336 559 60623 V1 V3 Diode BAV99 A7 Sot23 9332 153 70215 V32 V33 V35 V58 BZX284 C33 Zp Sod110 9340 388 00115 V34 V59 BZX284 C3V3 Yr Sod110 9340 385 60115 12 3 Delegate and chairman unit spare parts list 12 3 1 LBB 3330 x0 Delegate unit Mechanical spare parts LBB 3331 x0 Chairman unit Mechanical spare parts Pos Nr Description Service Code 5 Thumbwheel 5322 410 11108 6 Ring for ...

Page 51: ...re parts Pos Nr Description Service Code R54 Potmeter 10k volume headphone 5322 101 11763 R72 Trim potmeter 10k microphone 5322 101 10714 S1 S2 Push switch micro and prio 5322 276 13533 S37 S42 Slide switch 2 pos 5322 277 11793 T5 Output transformer 0 1W 5322 146 11015 X6 X7 Headphone socket 5322 267 31808 X11 Audio con socket 7 p DIN 5322 267 50547 SMD parts D1 D6 BZX84 C33 Y12 Sot23 9333 883 402...

Page 52: ......

Page 53: ...t diagrams CPSU sh 3 4 Audio input and output 13 7 Circuit diagrams CPSU sh 4 4 External microphone input 13 8 Board layout AFS PCB 13 8 1 Jumpers and connectors 13 9 Exploded view delegate chairman unit 13 10 Board layout delegate unit 13 11 Measuring points delegate and chairman unit 13 12 Circuit diagram delegate unit 13 13 Board layout chairman unit 13 14 Circuit diagram chairman unit 13 15 Mi...

Page 54: ......

Page 55: ...CCS800 Service manual Chapter 13 Illustrations en 53 Bosch Security Systems 2003 50 3922 880 21112 13 1 Exploded view CPSU ...

Page 56: ...CCS800 Service manual Chapter 13 Illustrations en 54 Bosch Security Systems 2003 50 3922 880 21112 13 2 Board layout CPSU ...

Page 57: ...red measuring spots are supply voltages described in chapter s 7 3 2 and 7 3 3 The yellow coloured measuring points are mentioned in the tests described in chapter s 7 3 5 till 7 3 15 13 3 1 Bottom view CPSU board section mounted in top cover For the tests described in chapter 7 3 you have to disconnect the loudspeaker In the illustration left is indicated where the resistor should be temporary so...

Page 58: ...CCS800 Service manual Chapter 13 Illustrations en 56 Bosch Security Systems 2003 50 3922 880 21112 13 4 Circuit diagrams CPSU sh 1 4 Supply and logic ...

Page 59: ...CCS800 Service manual Chapter 13 Illustrations en 57 Bosch Security Systems 2003 50 3922 880 21112 13 5 Circuit diagrams CPSU sh 2 4 Gain control and mode select ...

Page 60: ...CCS800 Service manual Chapter 13 Illustrations en 58 Bosch Security Systems 2003 50 3922 880 21112 13 6 Circuit diagrams CPSU sh 3 4 Audio input and output ...

Page 61: ...CCS800 Service manual Chapter 13 Illustrations en 59 Bosch Security Systems 2003 50 3922 880 21112 13 7 Circuit diagrams CPSU sh 4 4 External microphone input ...

Page 62: ... AFS PCB 13 8 1 Jumpers and connectors J300 Horizontal placed J302 Vertical placed Jumper position Function Jumper position Function 1 3 Input1 CCS800 1 2 Analog audio input 2 4 Input1 CCS800 3 4 Analog audio output X301 J100 and X303 Pin number Signal name 1 VDC Both factory use 2 GND 3 Audio In 5 Audio Out 4 6 AGND ...

Page 63: ...CCS800 Service manual Chapter 13 Illustrations en 61 Bosch Security Systems 2003 50 3922 880 21112 13 9 Exploded view delegate chairman unit ...

Page 64: ...CCS800 Service manual Chapter 13 Illustrations en 62 Bosch Security Systems 2003 50 3922 880 21112 13 10 Board layout delegate unit ...

Page 65: ...CCS800 Service manual Chapter 13 Illustrations en 63 Bosch Security Systems 2003 50 3922 880 21112 13 11 Measuring points delegate and chairman unit ...

Page 66: ...CCS800 Service manual Chapter 13 Illustrations en 64 Bosch Security Systems 2003 50 3922 880 21112 13 12 Circuit diagram delegate unit ...

Page 67: ...CCS800 Service manual Chapter 13 Illustrations en 65 Bosch Security Systems 2003 50 3922 880 21112 13 13 Board layout chairman unit ...

Page 68: ...CCS800 Service manual Chapter 13 Illustrations en 66 Bosch Security Systems 2003 50 3922 880 21112 13 14 Circuit diagram chairman unit ...

Page 69: ...l Chapter 13 Illustrations en 67 Bosch Security Systems 2003 50 3922 880 21112 13 15 Microphone assembly 13 15 1 Exploded view microphone head 13 15 2 Led diagram and board layout 13 15 3 Wiring of the microphone assembly ...

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Page 72: ...tems B V Business Unit Communication Systems P O Box 90106 4800 RA Breda The Netherlands www boschsecuritysystems com 2003 Bosch Security Systems B V Data subject to change without notice 3922 880 21112 revision 01 0501 ...

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