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A100K11939

EA1400/EA1600 Installation & User Manual

Service

5.1. Service Information

All service on this unit should be performed by qualified service technicians only.



Contact your local Vingtor-Stentofon dealer or representative for service.

WARNING!
Always disconnect the mains power cable before opening the cabinet to avoid electrical shock

hazard and possible damage to the equipment.

5.2. Fuse Replacement

Mains Voltage Protection

There is one replaceable fuse:



on the Main Board near the mains inlet inside the cabinet

A blown fuse normally indicates a malfunction of the amplifier or a short term overload.

Always replace with fuses of same type (Littelfuse 0215008.TXP or Schurter 34.3126) and value

(8AT). On recurring fuse blows, contact qualified service personnel.

Содержание VINGTOR STENTOFON EA1400

Страница 1: ...EA1400 EA1600 Analog Class D Amplifier Installation and User Manual A100K11939 ...

Страница 2: ...al 7 2 9 Indicators 8 3 Installation Wiring 9 3 1 Unpacking 9 3 2 Mounting 9 3 3 Cable Layout 9 3 4 Mains Power and Grounding 9 3 5 Input Connection 10 3 6 Loudspeaker Connections 11 3 7 Practical Usage with Calculation Example 11 3 8 Optional Connections 12 4 Startup System Check 14 4 1 Preparations 14 4 2 Sound 14 4 3 Setting Maximum Output Voltage and Power Using a 1 kHz Source 14 4 4 Line Moni...

Страница 3: ...escription 1023121400 EA1400 Exigo Amplifier 1 x 400W 1023131600 EA1600 Exigo Amplifier 1 x 600W 1 3 Publication Log Revision Date Author Status Comments 1 0 6 3 2020 LK HKL Published 1 1 24 8 2020 LK HKL Revised Rear Panel Settings Switch Optional Connections 1 4 Rules Regulations The EA1400 EA1600 amplifier and its components have been tested according to the following regulation EN 60945 Fourth...

Страница 4: ...open surface The amplifier has a built in cooling fan but the front and back must be kept free of objects in order to secure sufficient air flow 2 2 Power The amplifier is powered by 100 240 VAC 50 60 Hz mains There is a mains circuit breaker on the cabinet rear side and a mains fuse on the Main Board inside the cabinet The fuse value is 8A The amplifier must be grounded with the main cable or wit...

Страница 5: ...driven with the same audio signal Using a low impedance source it is possible to drive 5 amplifiers or more with this daisy chain method Pin 6 Line OUT audio cable shielding connected to chassis ground For more information and application example please refer to section 3 5 Input Connection 2 4 Audio Control Volume adjustment can be done through the potentiometers for Volume Bass and Treble If the...

Страница 6: ...AWG 2 5 mm2 For more information and application example please refer to section 3 6 Loudspeaker Connections 2 6 Fault Relay Fault Relay NO NC contacts of a built in relay is available for remote warning devices The relay is activated during various fault conditions such as shorted speaker lines ground fault overtemperature or overload on audio output For more information and application example p...

Страница 7: ...10Vrms 17Ω is about 6V At over circa 70Vrms output level in case of alarm it will be de activated automatically to ensure the maximum audio power and to avoid false clipping issues At under circa 60Vrms output level it will be re activated automatically OFF Line monitoring disabled VOX ON Voice Operated Circuit enabled This function removes the hum and noisy silences from the audio path This is th...

Страница 8: ...d on audio output Ground fault or short circuit on output Only if line monitoring is enabled Too high audio input signal 1 5Vrms Internal fault Line Error A yellow warning LED will be lit by ground fault or short circuit on output Only if the line monitor function is enabled VU meter Green and red LEDs indicate the output level from 18 dB to 1 dB When it goes over 0dB clipping will be activated an...

Страница 9: ...ack WARNING Failure to observe the above precautions could result in overheating that could damage the equipment or create a fire hazard 3 3 Cable Layout Do not run the installation cable from microphone and alarm panels parallel to or too near the cables for loudspeakers or power cables The shields must be interconnected in junction boxes and grounded in the amplifier unit only It is good practic...

Страница 10: ...installation the amplifier s grounding point is connected to the rack frame 3 5 Input Connection The line inputs are balanced accepting 0 5 1 5 Vrms signal over 9 K ohm The signal source is connected between pin 1 and 2 and the wire shield is connected to pin 3 If the signal source is unbalanced connect the signal wire to pin 1 and the neutral wire to pin 2 If two or more amplifiers are using the ...

Страница 11: ... below Type EA1400 EA1600 Output 70Vrms 100Vrms 70Vrms 100Vrms Loudspeakers Impedance 12 5Ω 400W 25Ω 400W 8 4Ω 600W 16 7Ω 600W 3 7 Practical Usage with Calculation Example The 100V 70V system is used when a large number of speakers are installed and or the speakers are placed far from the amplifier Speakers with a line matching transformer designed for constant voltage lines must be used ...

Страница 12: ...ers is equal to the rated output power of the amplifier It is good practice to give a power headroom of 10 20 i e a speaker load of 500W on a 600W amplifier Example To calculate the maximum number of 30W speakers on a 600W amplifier Number of speakers Amplifier power Speaker power 600 30 20 3 8 Optional Connections Fault Relay Connect one wire from an external warning device to the FAULT RELAY ter...

Страница 13: ...nals External device can get a warning if Class D circuit has been broken due to too high temperature or overload error event occurring Line Monitoring Pin 4 Input for remote control of line monitoring It can be enabled by applying HIGH level to Pin 4 and disabled by applying LOW level to Pin 4 24V Pin 7 24V 10 100mA analog output 3 3V levels are used as control signal HIGH level is 3 3V and LOW l...

Страница 14: ... 100Vrms level without overloading clipping the following procedure is recommended Turn the amplifier volume control slowly clockwise until the red VU Meter LED lights up The green VU Meter LED shall become brighter during this process Turn the volume control slowly counterclockwise a little at a time until the VU Meter s red LED extinguishes Setting of Treble Bass can affect clipping detection If...

Страница 15: ...r cable before opening the cabinet to avoid electrical shock hazard and possible damage to the equipment 5 2 Fuse Replacement Mains Voltage Protection There is one replaceable fuse F1 on the Main Board near the mains inlet inside the cabinet A blown fuse normally indicates a malfunction of the amplifier or a short term overload Always replace with fuses of same type Littelfuse 0215008 TXP or Schur...

Страница 16: ...16 EA1400 1600 Installation User Manual A100K11939 6 EA1400 EA1600 Dimensions ...

Страница 17: ...d of separately from normal household waste so that they can be recycled www zenitel com Zenitel Norway AS A100K11939 Zenitel and its subsidiaries assume no responsibility for any errors that may appear in this publication or for damages arising from the information therein Vingtor Stentofon products are developed and marketed by Zenitel The company s Quality Assurance System is certified to meet ...

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