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8 – Specifications and block diagram

 TASCAM AV-452 

Installation & Support Guide

 23

Block diagram

Summary of Contents for AV-452

Page 1: ...the appliance The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure tha...

Page 2: ...icularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod brac...

Page 3: ...rungen versursachen in die sem Fall kann vom Betrieber verlang werden ange messene Ma nahmen durchzuf hren und daf r aufzukommen For U S A IMPORTANT SAFETY PRECAUTIONS IMPORTANT for U K Customers DO N...

Page 4: ...12 AV audio and microphone connections 13 Master audio connections 14 External control connectors 15 6 Customization and settings LEARN IR switch 1 16 CASCADE switch 2 17 SPEAKER OUT switch 3 17 MIC H...

Page 5: ...voiceovers etc Automatic AV ducker with adjustable ratio and threshold settings A CV constant voltage paging system can be con nected 12V 24V or 70V to the rear panel A level control and defeatable no...

Page 6: ...well as details on how to program the RC 452 to learn and replay the command codes of other units 5 Rear panel connections page 12 This lists the connections to and from the AV 452 6 Customization an...

Page 7: ...overheating NOTE Do not install this apparatus in a confined space such as a book case or similar unit For the same reason adequate space for ventilation should be left at the front and rear of the u...

Page 8: ...is fader which is used to control the level of the selected AV signal is at the maximum level 8 REC MONITOR control indicator De spite the name this control and indicator acts a record source selector...

Page 9: ...ther this input replaces the input signals or is summed with them see CAS CADE switch 2 on page 17 G INTERCOM key When this key is lit the signal received at the INTERCOM connection on the rear panel...

Page 10: ...r local garbage disposal authorities NOTE The CASSETTE and CD RW keys of the RC 452 are programmed at the factory to control the TASCAM CC 222 unit However they may be programmed to control other unit...

Page 11: ...keys The SET indicator lights steadily 3 Within 10 seconds of the previous step press the key of the RC 452 s VCR section 7 three times The SET indicator 1 of the RC 452 flashes as you press it and re...

Page 12: ...ber that there is an additional AUX video connector on the front panel D NOTE All connectors on the rear panel are labeled relative to the AV 452 In other words a connector labeled IN on the AV 452 sh...

Page 13: ...ecorder IN T MIC GRP INSERT connector This TRS 1 4 connector is used to pass the summed micro phone signals through a dynamics processor limiter gate etc or a graphic or parametric EQ unit etc The con...

Page 14: ...front panel I The impedance of the speaker system connected to each channel should be between 4 and 16 WARNING Use of speakers with impedances outside these limits may result in damage to the speaker...

Page 15: ...his level This allows an otherwise slightly noisy intercom to be connected without interfering with the other signals e LINE OUTPUT mode switch This switch allows the line output X of the AV 452 to ac...

Page 16: ...CASCADE keys on the front panel flash to show the unit is in IR learn mode 4 Press the DVD key on the AV 452 front panel It starts to flash 5 Point the video display device s remote control unit at t...

Page 17: ...rcom input is disabled SPEAKER OUT switch 3 This switch determines whether the signal sent to the SPEAKER OUT Z terminals is the same from both speakers left and right summed MON or whether it is a st...

Page 18: ...et the serial address with the power to the AV 452 turned off as the AV 452 will only recognize the setting at power on Serial port pinouts The diagrams above show the AV 452 rear panel con nector Any...

Page 19: ...MUTE Turns the MIC 3 MUTE on and off 24 MIC 3 MUTE Tally 6 MIC 4 MUTE Turns the MIC 4 MUTE on and off 25 MIC 4 MUTE Tally 7 A V DIM Turns the AV DIM on and off 26 A V DIM Tally 8 CASSETTE Selects Cas...

Page 20: ...R OUT 75 1Vp p VCR OUT 75 1Vp p MONITOR OUT 75 1Vp p RGB 2 IN 15 pin D sub female RGB 2 THRU 15 pin D sub female CASSETTE Input impedance 47k Nominal input level 10dBV 7 8dBu CD RW Input impedance 47k...

Page 21: ...response 20Hz to 20kHz 1 0 2 0dB MIC IN to INSERT SEND 20Hz to 20kHz 1 0 2 0dB LINE IN to LINE OUTPUT 20Hz to 20kHz 1 0 2 0dB LINE IN to MEETING OUTPUT 20Hz to 20kHz 1 0 2 0dB LINE IN to OUTPUT to LIN...

Page 22: ...Power consumption 125W Peak inrush current 16A Applicable electromagnetic environment E4 Dimensions W xHxD 482 x 144 x 371 mm 19 0 x 5 7 x 14 6 in Weight 11 3kg 24 9 lbs Supplied accessories RC 452 re...

Page 23: ...8 Specifications and block diagram TASCAM AV 452 Installation Support Guide 23 Block diagram...

Page 24: ...apa CP 09810 Mexico DF TEAC UK LIMITED Phone 44 1923 438880 www tascam co uk 5 Marlin House Croxley Business Park Watford Hertfordshire WD1 8TE U K TEAC EUROPE GmbH Phone 49 611 71580 www tascam de Ba...

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