TAG MCLAREN AUDIO 100 5R Series Service Manual Download Page 24 | Manualshive

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F3 series 100X5R service manual

20

9.3 100X5R MICROCONTROLLER PCB

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2 8 3
M I C R
OCON
T R O L
L E R
P C B
(SCH2
8 2 0 6 -
01-03)

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Summary of Contents for 100 5R Series

Page 1: ...amplifier 100x5R service manual ...

Page 2: ... approved UK service agents No part of this manual shall be transferred to any other party without the express written permission of TAG McLaren Audio Limited It is the responsibility of the user to ensure that all the information contained in this manual is current Notification for new issues of this manual and minor updates will be given via the TAG McLaren Audio web site or on request This manu...

Page 3: ...1 Fault finding flow chart 11 5 2 Test equipment required 12 5 3 Functional test procedure 12 5 4 Biasing modules 13 5 5 Adding modules 13 6 0 performance tests 6 1 Test equipment required 14 6 2 Performance test procedure 14 7 0 upgrading software 7 1 Equipment required 16 7 2 Upgrading software procedure 16 8 0 diagnostics 8 1 Upgrading software diagnostic messages 17 8 2 Resetting parameters 17...

Page 4: ...F3 series 100X5R service manual 10 4 100X5R IR BUS PCB 26 10 5 100X5R LED PCB 26 11 0 technical data 11 1 100X5R Technical specifications 27 11 2 International Standards 28 ...

Page 5: ...o so in this manual 1 2 Electrostatic discharge precautions Electrostatic discharge ESD is due to charges produced by insulating materials rubbing together Humans collect electrostatic charge through normal activities when clothes rub together and when walking on carpet This charge may be discharged suddenly when you touch a conductor If the conductor is connected to a sensitive electronic circuit...

Page 6: ...y occur 4 Allow a small gap between component body and pad Solder must not reach the base of the component How to detect acceptable joints 1 Solder joints should have from a shiny to satin lustre and a generally smooth appearance 2 Solder should have wetted both the component lead and pad 3 There should be a concave meniscus between the objects being soldered The angle of solder to pad should be l...

Page 7: ...l before completing the job 2 Remove any solder balls and splashes from the unit 3 Check all new solder joints and ensure all PCBs are clean before replacing covers 4 After replacing covers clean the case and any display windows with a damp cloth Do not use any organic solvents If scratched replace display windows ...

Page 8: ...F3 series 100X5R service manual 4 2 0 front and rear panel layouts 2 1 front panel controls 2 2 rear panel connections ...

Page 9: ...ntly pull the front panel assembly away from the chassis taking care with the 2 way wire to the On Off switch Remove module Disassemble the mains wiring and ribbon from the module Unscrew the connector bracket and the M4 screw attached to the rear panel taking care with the M3 nut fixing the 10n capacitor Turn the unit over and remove the M4 fixing screws The Module is now free of the chassis 3 2 ...

Page 10: ...F3 series 100X5R service manual 6 ...

Page 11: ...ering all of the connections to and from the micro controller PCB Micro controller PCB Mains distribution and switching Mains from the IEC inlet is connected to the micro controller PCB via MLIP live and MNIP neutral There is no mains ground connection as the unit is double insulated and fully isolated from mains power earth The input mains is distributed via wire links WL4 through WL11 to the mai...

Page 12: ...of the mains relays RL1 through RL10 This isolates the channels from the mains as the relays switch off but retains power to the micro controller circuits Micro controller auxiliary power supply PCB mounted mains transformer T1 and its associated circuit sheet 3 of SCH28306 provide an auxiliary 5VDC supply which powers the microprocessor and coils of the relays mounted on the PCB This supply is ac...

Page 13: ...10K channel 1 fault signal pulldown 16 DGND ground digital 0V 17 DGND ground digital 0V 18 MRelay1 O open collector channel 1 mute relay 19 20 Present1 I micro P5 15 channel 1 present active low 21 FaultC2 I schmitt trigger 10K channel 2 fault signal pulldown 22 DGND ground digital 0V 23 DGND ground digital 0V 24 MRelay2 O open collector channel 2 mute relay 25 26 Present2 I micro P5 14 channel 2 ...

Page 14: ...mute relay 43 44 Present5 I micro P5 1 channel 5 present active low 45 none Tag Bus ground 100uH 100R 46 none Emitter of Q13 to MCD4 P0L 4 47 TAG_X2 Tag Bus to RJ socket 48 TAG_X3 Tag Bus to RJ socket 49 TAG_X4 Tag Bus to RJ socket 50 TAG_X1 Tag Bus to RJ socket These notes are provided to assist you in understanding the technical operation of the 100X5R amplifier 4 4 100X5R block diagram ...

Page 15: ...F3 series 100X5R service manual 11 5 0 functional tests These notes are provided to assist you in servicing the 100X5R amplifier ...

Page 16: ...e ribbon cable and the respective connector need linking out Ribbon Link pins 2 6 Header Link pins 2 4 N B Be aware the protection is now not operational and prolonged abuse of the module will result in damage 5 3 Functional test procedure No Action Test Equipment Details 4 2 1 Disconnect all cables from amplifier 4 2 2 Check voltage Read ratings label on rear of setting amplifier 4 2 3 Check fuse...

Page 17: ... necessary 4 2 6 Connect AC Switch on power button power to unit 4 2 7 Unit powers up LEDs light and module relays switch in sequence 4 2 8 Unit un mutes After settling time module mute relays close and mute light goes out 4 2 9 Power out DC 2mV 4 2 17 Gain I O 28 8dB 01dB 4 2 18 Check uC Multimeter set Connect negative probe to 0 V supply rails to V DC eg chassis Connect positive probe to 5 V rai...

Page 18: ...ress the transformer wiring along with the existing module wires 4 The wire should then be cut to length to solder onto the mains distribution section of the uC PCB Ensure that the wires polarity is correct and attched to the correct relay output Channel 1 is towards the front panel on the PCB For continued safety approve the wires must be fastened to each other next to the soldered joints as with...

Page 19: ...oint TP references see section 6 0 test points No Action Test Details Equipment 6 2 1 Switch off AC power button 6 2 2 Connect Audio signal Switch on and allow to unmute amplifier as generator Measure signal output level shown in Figure 1kHz 100mV 2 83Vrms 5 1 6 2 3 Measure Distortion With equipment set up in bandpass channel analyser mode 20kHz connect input separation output 20 kHz signal to one...

Page 20: ...output 20Hz 20kHz 1 V rms measurement mode THD wide bandwidth Leave AUDIO OUTPUT connected to distortion analyser input Measure THD on distortion analyser 20Hz 0 003 1kHz 0 003 20kHz 0 06 6 2 6 Check mute Distortion Measure signal level on distortion operation analyser analyser channel output 1 kHz 1 V rms Set as 0 dB reference measurement mode signal Mute amplifier level Signal level should reduc...

Page 21: ...ff AC power button 8 2 2 Insert red RJ PC 45 plug into in socket of 100X5R Plug black RJ 45 connector into out socket of 100X5R Connect TAGtronic bus adaptor to COM1 port of PC TAGtronic bus adaptor 8 2 3 Switch on AC power button 8 2 4 Start Upgrade Wizard software on PC 8 2 5 Select file to be The file will be sent to the 100X5R sent to 100X5R This will take approximately 1 and click next minute...

Page 22: ...hed off and then on again the display should be blank If none of these is the case then there is possibly a fault with the 100X5R Please note the error message and contact TAG McLaren Audio for guidance 8 2 Resetting parameters If any channels are caused to go into protect such that a fault is detected while the output relay is open the microprocessor will ensure that channel will not power up aga...

Page 23: ...F3 series 100X5R service manual 19 9 0 circuit schematics 9 1 100X5R LED PCB Sheet 1 of 1 283 LED PCB SCH28303 01 01 9 2 100X5R IR PCB Sheet 1 of 1 IR RECEIVER SCH28204 01 01 ...

Page 24: ...F3 series 100X5R service manual 20 9 3 100X5R MICROCONTROLLER PCB Sheet 1 of 3 2 8 3 M I C R OCON TROL L E R P C B SCH2 8206 01 03 ...

Page 25: ...F3 series 100X5R service manual 21 Sheet 2 of 3 283 MICROCONTROLLER PCB SCH28206 02 03 ...

Page 26: ...F3 series 100X5R service manual 22 Sheet 3 of 3 283 MICROCONTROLLER PCB SCH28206 03 03 ...

Page 27: ...F3 series 100X5R service manual 23 ...

Page 28: ...F3 series 100X5R service manual 24 9 4 100X5R AMPLIFIER MODULE PCB Sheet 1 of 2 283 AMPLIFIER SCHEMATIC SCH28301 01 04 ...

Page 29: ...F3 series 100X5R service manual 25 Sheet 2 of 2 283 AMPLIFIER SCHEMATIC SCH28301 02 04 ...

Page 30: ...F3 series 100X5R service manual 26 9 5 100X5R TAG BUS PCB ...

Page 31: ...F3 series 100X5R service manual 27 Amplifier Module PCB 10 0 printed circuit board layout 10 1 100X5R AMPLIFIER PCB ...

Page 32: ...F3 series 100X5R service manual 28 10 3 TAG BUS 10 4 IR PCB 10 5 LED PCB 10 3 100X5R MICROCONTROLLER PCB 4 layer not including inner ground 5V planes ...

Page 33: ... response 20Hz 20kHz 0 0 15 dB 3dB 0 2 75k Hz 1dB 0 4 48k Hz Overload headroom 8O IHF 1kHz 8O 2 2 dB 4O IHF 1kHz 2 5 dB 2O IHF 1kHz 3 0 dB THD N 8O 100W 20Hz 20kHz 80kHz 500kHz BW 0 02 0 05 4O 150W 20Hz 20kHz 80kHz BW 0 03 Crosstalk 1kHz 80 dB abbreviationsE Europe Asia N North America UK United Kingdom general The rated and typical performance applies when the mains supply voltage is either 230V ...

Page 34: ...g legal requirements directives 89 336 EEC EMC Directive as amended by 93 23 EEC 73 23 EEC Low Voltage Directive as amended by 93 23 EEC TAG McLaren Audio Ltd The Summit Latham Road Huntingdon Cambs PE18 6ZU United Kingdom Telephone 44 0 1480 415600 Fax 44 0 1480 52159 E Mail helpdesk tagmclarenaudio com ...

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