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AX3700
Auto Standby Amplifier Fault Changeover
instruction manual
Thank you for choosing another quality product from Amperes Electronics.
Though it is rather simple in the installation works, a brief read through the manual is
recommended and we are confident that you are getting a product of excellence.
BY :
AMPERES ELECTRONICS
VER 1 / apr 2007
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Summary of Contents for Amperes AX3700
- Page 1 Auto Standby Amplifier Fault Changeover instruction manual Thank you for choosing another quality product from Amperes Electronics. Though it is rather simple in the installation works, a brief read through the manual is recommended and we are confident that you are getting a product of excellence.
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Page 2: Parts Identifications
Whenever a faulty channel is detected, a buzzer shall be activated and the alarm can be switched off while the red LED shall remain on. REAR VIEW AUDIO SIGNAL INPUTS / OUTPUTS AX3700 FAULT CHANNEL 5 CHANNEL 4 CHANNEL 3... - Page 3 CASCADE LINK Two or more of AX3700 can be used when only a standby amplifier is available to serve more than 6 duty units. Use this link in criss cross connection. Please refer to the section " Cascading more than one unit ".
- Page 4 GENERAL SCHEMATIC 1 : SINGLE SOURCE SETUP PAGE 4 AMPERES AX3700...
- Page 5 GENERAL SCHEMATIC 2 : MULTIPLE SOURCE SETUP PAGE 5 AMPERES AX3700...
- Page 6 LINK position. NOTE : Input and Output signal from AX3700 shall have unity gain. Therefore a single source shall be limited to max 6 output channels. If a source were to be connected to more than 6 amplifiers, it is recommended that a distribution amplifier is used before connecting it to the AX3700 input port.
- Page 7 SELECTOR SELECTOR When connecting output of amplifiers to the AX3700, polarity must be observed. Each output of the amplifier must be connected to the unit. A disconnected amplifier channel shall be regarded as a faulty channel and a changeover shall take place.
- Page 8 CASCADING AX3700 When there is only one standby amplifier to serve more than 6 duty units, more than one AX3700 shall be used to serve the purpose. All other settings as shown earlier shall apply. FAULT STANDBY CONT. 3A NO...
- Page 9 Although in principle most auto fault changeover works similarly in detecting faulty amplifiers, you may find some difference in how AX3700 operates. AX3700 sends out Pilot Tone of 20 KHz at intervals and shift from channel to channel. This reduces strain at the amplifiers where continuous loading is avoided. Though some slight delay may occur during the detection period, this shall be beneficial in the long run.
- Page 10 Repeat the above steps with Ch4 switched off while the previous ones still at OFF position. You shall observe the same pattern at the indicators in sequence. After channel 6, switch on the power amp in sequence from Ch6 to 1 and the observations shall be as opposite to the earlier procedures. AMPERES AX3700 PAGE 10...
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Page 11: Technical Specifications
TECHNICAL SPECIFICATIONS Operating voltage 24V DC ; 1A Power consumption 7.2 W Input signal 6 Ch balanced line signal Input impedance 10 K Ohm Audio output gain Unity Pilot tone interval 10 seconds / channel Pilot tone frequency 20 KHz ( +/- 5% ) Detection line 70 / 100 V line Detection level... -
Page 12: Warranty Conditions
Only Amperes Electronics Service Centres are allowed to make warranty repairs : a list of Amperes Electronics Service Centres may be asked for by the purchaser or send directly to Amperes Electronics Sdn Bhd at 70 Jalan Industri PBP 3, Tmn Perindustrian Pusat Bandar Puchong, 47100, Puchong, Selangor, Malaysia or its authorized master distributor, Amperes Global Marketing.
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