1. 06/18/04 1 Analog Audio Hardware and Operations

2. 06/18/04 2 Module 5 Objectives Upon completion of this module, the student will be able to:  Explain the functions of the terminals, jumpers and LEDs for an analog audio controller assembly  Explain the functions of the 2 message memory expansion cards  Explain the functions of the terminals, jumpers, LEDs and resistors for an audio input option card  Explain the technical features of the microphone  Explain the functions of the terminals, jumpers, LEDs, switches, resistors, and fuses for a Flex 35 & 50 amplifiers  Explain the functions of the terminals, jumpers, LEDs, switches, resistors, and fuses for a 100W NAC amplifier  Download the panel CFIG file using the Bootloader download procedure

3. 06/18/04 3 Analog Audio System  Features  Architecture Audio Controller  Block Diagram  Critical Board Components  Audio Input Option Card  Microphone  Adjustments and Operation

4. 06/18/04 4 Analog Audio System Features Two (2) Full Analog Riser Channels  10V rms Output Level  Riser 1 and Riser 2 are distributed to the PDI automatically for amplifiers located in the same cabinet (or close nippled cabinets)  Field wired Risers are wired in a daisy chained fashion in either a Class B or Class A architecture. The risers connect to an Analog Audio Riser Cards (slave card to a TIC) in remote cabinets.  12-18 AWG STP(shielded twisted pair) wire (2 pair for 2 channels)  10,000 ft. Maximum total line distance  4.7K EOLR (733-968) required for Class B, must be placed at furthest amplifier  DC open and short detection on field wiring connected to the amplifier  AC input signal losses are detected at each amplifier

5. 06/18/04 5 Analog Audio System Architecture The diagram to the right depicts an analog head-end system. A 6-Wire harness is used to connect audio riser 1, 2 and Phone Signals between Expansion bays within the same unit. How many wires are in the 4100COMM / 24V Harness? PDI Phone Card 4"x5" Flat Option Card XPS 4"x5" Flat Option Card AC In Battery 4"x5" Flat Option Card PDM PDI Input Option Card 2 Input Option Card 1 100 W Amplifier 50W Amp Analog Audio Controller Audio 6-Wire Harness 4100COMM / 24VHarness from CPU Bay 4100COMM / 24V EXPANSION BAYSEXPANSION BAYS

6. 06/18/04 6 Analog Audio System Architecture Option Input Remote units are connected utilizing the terminal block contained on the top of the Audio controller (TB1). For Analog Audio Systems you will need one pair for each audio channel if style Y. (Two pair for each audio channel if style Z) How many Audio Channels are possible on an Analog Audio System? Analog Audio Controller 100 W Amplifier Remote Power Supply Flex 50W Amp Option Input TIC Main Location Transponder Location Audio Riser Interface

7. 06/18/04 7 Analog Audio System Architecture Class B Wiring From Analog Audio Controller Transponder 733-968 4.7K EOL 10,000 ft Maximum Class A Wiring From Analog Audio Controller Primary Transponder 10,000 ft Maximum Class A Wiring From Analog Audio Controller Secondary

8. 06/18/04 8 Analog Audio Controller

9. 06/18/04 9 Analog Audio Controller Block Diagram Message Expansion Card (More Flash) 2-MESSAGE PLAYER(S) Flash Memory DISTRIBUTION AMP LOCAL SPEAKER RISER(S) COMMS POWER Core Circuits Optional Input Optional Inputs From Mics, Phones, Etc.

10. 06/18/04 10 Analog Audio Controller Terminal Connectors TB1 is for Audio Riser Connections. TB1 TB2 ++++++++++ +-0v+A-A +-0v+A-A Riser 1Riser 2 +++++ Mic (WHT) Mic (GRN) SRTN (BLK) PTT (RED) TB2 is for Remote Microphone

11. 06/18/04 11 Analog Audio Controller P Connectors P1 – Message Download Port (RS232)  Audio messages may be downloaded directly to the Audio Controller Board. P2 - Message Memory Expansion  72 Pin SIMM Style  8 Minute(4MB) Message Expansion (742-518)  32 Minute(16MB) Message Expansion (742-393) P3 – Not Used P1 P2

12. 06/18/04 12 Message Memory Expansion Features Adds additional message storage for Audio Controller  4096 Messages Possible  8 Minute(4MB) (742-518) Systems  32 Minute(16MB) (742-393) Systems Inserts into the SIMM socket (P2) on Audio Controller.

13. 06/18/04 13 Message Memory Expansion Memory board is installed with the component side facing to the left. Tilt the memory chip to the left at a 45deg angle. Insert chip into slot. Rotate Memory Board up, to the right, until it locks into place. Message Memory Expansion Board W/ components facing to the left, away from the Controller card. Snap the card into Place with the metal clasps

14. 06/18/04 14 Analog Audio Controller P Connectors P4 – N/A P5 – Local MIC and Speaker Connection (Internal Wiring) P6 – N/A P7 – PDI Connection point (back) P8 – Message Download Speed Select Jumper  1-2 for 56K  2-3 for 115k P9 and P10 are Input Option Card Connectors  Audio Input Option Card (637-063) P5 P7 P8 P9 P10

15. 06/18/04 15 Analog Audio Controller Switches, LEDs, & Pots SW1 – Selects the Address and Baud Rate for Communications with the Master Controller LED1 – Normally Off On to indicate communication Loss with the Master Controller VTG A and VTG B  Control the output volume of digital messages  VTG A = Riser 1  VTG B = Riser 2  Factory Set for 10Vrms +/_ 100mV full scale  NOT FIELD ADJUSTABLE (per UL/ULC) - VTG A VTG B SW1 LED1 (R4) (R7)

16. 06/18/04 16 Analog Audio Controller Switches, LEDs, & Pots R10 – Local Speaker Adjust  Adjusts the volume of the Local Speaker. Field adjustable, not governed by UL/ULC R3 – Remote Microphone  Cut if Remote Microphone is a Noise Canceling Microphone R8 – Master Microphone  Cut if Master Microphone is a Noise Canceling Microphone Local Speaker (R10) R3 R8

17. 06/18/04 17 Audio Input Option Card

18. 06/18/04 18 Audio Input Option Card Features Adds 4 Additional Audio inputs Inputs 1 and 2 support optional inputs Input 3 and 4 support optional Microphone inputs  Microphone Inputs are supervised. Adjustment Pot for each Input  Microphones are fixed (UL/ULC) Does not use PDI Connection. Harnessed directly to Audio Controller.

19. 06/18/04 19 Audio Input Option Card Block ABlock C Block B Block D

20. 06/18/04 20 Audio Input Option Card Input Terminals TB1 –Field Wiring Terminal Block Microphones are supervised for opens (PTT and MIC inputs) Microphones are supervised for shorts (Mic only, PTT is a short when keyed) If Mic is Noise Canceling Remove the Appropriate Resistor (R26 – R28) ++++++++++++ -+-+-+-+-+- + INPUT 4 INPUT 3 INPUT 2INPUT 1 TB1 PTT R26 Input 3 R28 Input 4

21. 06/18/04 21 Audio Input Option Card Input Terminals and Jacks Remote MIC Wiring  12-18 AWG STP (shielded twisted pair)  4,000 ft Maximum  10K EOLR (built into microphone) RCA Jacks J1 and J2  Line level inputs only RCA J1 &J2

22. 06/18/04 22 Audio Input Option Card P Connectors P Connectors 1-2 Input12 Jumper P1P2 Input Level Future 1-2 25Vrms3-4 Line Level 5-6 P1P2

23. 06/18/04 23 P Connectors 3-10 P11 – Connection to Audio Controller Card  (Harness 734-048) Audio Input Option Card P Connectors Input34 Jumper P3,5,6,9P4,7,8,10 Mic Input2-3 P3 P4 P5P6 P7 P8 P9 P10 P11 Line Level1-2

24. 06/18/04 24 Audio Input Option Card LEDs and Pots LED1 ON when supervision Trouble with Microphone input 3 LED2 ON when supervision Trouble with Microphone input 4 When not configured for microphones, the trouble is clear. R30 Adjusts Input 1 R29 Adjusts Input 2 R79 Adjusts Input 3 R78 Adjusts Input 4 Microphones are fixed (UL/ULC) R30 R29 R79R78 LED1 LED2

25. 06/18/04 25 Audio System Checkpoint How many Microphones connect to the Audio Controller Board? How many additional Microphones can be added to a system when using the Input Option Cards? What is the maximum number of Microphones allowed per Audio System? How many Audio Risers does a Analog Audio System have? What is the total number of distinctive analog inputs available in the Analog Audio System?

26. 06/18/04 26 Flex 35 & 50 Audio Amplifiers

27. 06/18/04 27 Flex 35 & 50 Audio Amplifiers Features 35 & 50 Watt Dual Channel Requires XPS, SPS, or RPS in the same bay Audio Transferred Via the PDI Communicates through Internal Comms on PDI Active Over current Protected – Power Limited Operation Supports Backup Amplifier Configurations 25V or 70V Output Local Tone Generator Available for Loss of Input (Emergencies) Supports Class B and Class A NAC Wiring

28. 06/18/04 28 Flex 35 & 50 Audio Amplifiers Features 35 & 50W Total Output Spread over 2 Power Stages.  0/50, 10/40, 25/25 Watts etc.  Overcurrent Protection 3 Class B NACs on Board  Expandable with Adapters  6 Class B  3 Class A Local Tone Generator for Local Mode Operation (Temporal) Power Stage Voltage and Current Measurements available at user interface

29. 06/18/04 29 Flex 35 & 50 Audio Amplifiers Terminal Connections and P Connectors TB1 – NAC Connections P1,2,3, and 4 Are Internal Supply Connections P5 Is for Expansion NAC Card P6 Is not used on Analog Audio Systems TB1 ++++++++ B+B- SHLD B+B- SHLD B+B- NAC1NAC2NAC3 P5 P6

30. 06/18/04 30 Flex 35 & 50 Audio Amplifiers Switches and LEDs SW1 & SW2 – PS1 & PS2 Fail Switches are used to Simulate Power Stage Failure and Test Backup Operation SW3 – Selects the Address and Baud Rate for Communications with the Master Controller LED1 – Comms TBL (Yellow)  OFF = Normal Comms  ON Steady = Comms Failure  Blinking = Crash Code LED1 SW2 SW1 SW3

31. 06/18/04 31 Flex 35 & 50 Audio Amplifiers LEDs LED2 – Input Trouble (Yellow) for (Riser) Troubles  Single Blink = Analog Riser 1 Trouble  Double Blink = Analog Riser 2 Trouble  On Steady = Both Risers Trouble LED3 – Output Trouble (Yellow) with Power Stage 2 LED4 – Output Trouble (Yellow) with Power Stage 1 LED3 LED4 LED2

32. 06/18/04 32 Flex 35 & 50 Audio Amplifiers LEDs LED5, 6, & 7 – NAC1, 2, & 3 (Yellow) Status LEDs  OFF = Normal Supervision or Circuit Inactive  ON = Open or Short (Supervision) or Circuit Active LED8, 9, & 10 – NAC->PS2 (Yellow) Indicates which NACs are Routed to PS2  OFF = NAC Routed to Power Stage 1  ON = NAC Routed to Power Stage 2 (1) LED10 (2) LED9 (3) LED8 (1) LED7 (2) LED6 (3) LED5

33. 06/18/04 33 Flex 35 & 50 Audio Amplifiers Amplifier Output Two Independent Channels 25/70.7V Output Output Voltage determined by transformer and removable jumper, configured at the factory Active Overcurrent Protected by the power stage on the main board Supervised with 10K EOL 3 Class B NACs Standard 6 Class B NACs w/Expansion Bd 3 Class A NACs w/Adapter Bd R36 (Remove for 25V)

34. 06/18/04 34 Flex 35 & 50 Audio Amplifiers Amplifier Output ++++++++ B+B- SHLD B+B- SHLD B+B- NAC1NAC2NAC3 ++++++++ B+B- SHLD B+B- SHLD B+B- NAC4NAC5NAC6 LED1 NAC1 LED2 NAC2LED3 NAC3 Speaker 25/70.7v Speaker 25/70.7v Speaker 25/70.7v 10K–1/2 W E.O.L. (733-894) When required, leave shield at End Of Line Capped But Not Connected Class B Expander 4100-1245 LED1, 2, 3 are Yellow Status LEDs ON when Open or Short On when Circuit Active NO Indication of which Power Stage is Routed to the NACs EOL 4100-1245 XNAC

35. 06/18/04 35 Flex 35 & 50 Audio Amplifiers Amplifier Output ++++++++ B+B- SHLD B+B- SHLD B+B- NAC1NAC2NAC3 ++++++++ A+A- SHLD A+A- SHLD A+A- NAC1NAC2NAC3 Speaker 25/70.7v Speaker 25/70.7v Speaker 25/70.7v Class A Adapter 4100-1246 XNAC 4100-1246 Class A Adapter Unused Circuit EOL on B Terminals, A Terminals unconnected

36. 06/18/04 36 Flex 35 & 50 Audio Amplifiers Amplifier Configuration Single AMP configuration:  One FLEX Amp per Bay.  Signal PWR via XPS/SPS/RPS  Other Slave cards allowed in Bay

37. 06/18/04 37 Flex 35 & 50 Audio Amplifiers Amplifier Configuration Dual AMP configuration:  Two FLEX Amps per Bay  100 Watts per Bay.  Signal PWR from XPS  No Other Slave cards allowed in Bay

38. 06/18/04 38 Flex 35 & 50 Audio Amplifiers True or False Flex 50 uses both Card and Signal Power from the PDI. A Power Supply, such as an XPS, must be Installed in the same Bay as the Flex50 to provide Signal Power. Trim Potentiometers are provided on the Amplifier which are calibrated at the factory. Adjustment of the Pots by field or other Personnel is not necessary. Setting Address of Amplifiers is the same as other 4100U Slaves. Backup Configuration can easily be tested with the PS- FAIL Switches. Press and hold the switch until the OUT_TBL light turns ON (within 20-seconds)

39. 06/18/04 39 100 Watt Audio Amplifier

40. 06/18/04 40 100 Watt Audio Amplifier Features 100W Single Channel Amp 100W Amp + Signal Card + Power Supply 100W Output @25V or 70.7V rms Power Supply and Battery Changeover Relay 6 Class B NACs Expandable to 12 with Class B Expander Card 6 Class A NACs with Class A Adapter Cannot mix Class B and Class A Local Tone Generator for Local Mode Operation (Temporal)

41. 06/18/04 41 100 Watt Audio Amplifier Terminal and P Connectors TB1 – 6 Class B NAC Circuits TB2 – Backup Audio Terminal Block P1 and P3 – Expansion NAC Connectors P2 – Digital Audio Decoder Port Not Used With Analog Audio System P4 and P5 – Battery Connections TB1 P1 P3 TB2 P4 P5 P2

42. 06/18/04 42 100 Watt Audio Amplifier Backup 100W Amp has Dedicated Connection  Backup Source TB1 not the PDI  Power Limited / Unsupervised Additional Amplifier Required  NACs are not used on Backup AMP Backup Amp Primary Amp One for One or One for Many Style  Assigned via Programmer software Internal Wiring Only  Same can or adjacent,close nibbled (20ft)

43. 06/18/04 43 100 Watt Audio Amplifier Switches and LEDs SW1 – Selects the Address and Baud Rate for Communications with the Master Controller SW2 – Press to Simulate Amp Failure LED1 – Comm Trouble (Yellow)  OFF = Normal  ON Steady + Comms Failure  Blinking = Crash Code LED2 – Out Trouble (Yellow)  OFF = Normal  ON = No Output from the Power Stage SW1 LED 2 LED1 SW2

44. 06/18/04 44 100 Watt Audio Amplifier Switches and LEDs LED3 – In Trouble (Yellow) for Input (Riser) Troubles  Single Blink = Analog Riser 1 Trouble LED4 – AC Power (Green) 20 Second delay after restoration of AC Power LED5 – LED10 Indicate NAC 1 thru 6 Status  OFF = Normal Supervision or Circuit Inactive  ON = Open or Short (Supervision)or Circuit Active LED3 LED4 LEDs 5 - 10

45. 06/18/04 45 100 Watt Audio Amplifier Fuses and Pots F1 thru F6 NACs use 3 amp fuses to protect the relays from dead shorts R1 (A1) and R2 (A2) Factory Set F6 F5 F4 F3 F2 F1 R1 (A1) R19 (A2)

46. 06/18/04 46 ANY QUESTIONS?