User manual VINCENT SV-234

[. . . ] Dear Customer, we thank you for the confidence you prove in purchasing our product. It will match your high demands towards sound and manufacturing quality. Though it is understandable that you want to plug and play this product instantaneously, we encourage you to read this manual carefully before installation. It will help you in handling and operating this machine in your system and obtaining the best possible performance, even if it was installed by your dealer. [. . . ] This stereo amplifier is equipped with a main amplifier input ("LINE5"), also known as "unity gain input". Input signals to this bypass the internal preamplifier stage and are treated as preamplifier output signals. That is why this amplifier can accept the output signals of a preamplifier or the front channel preamplifier outputs of a home cinema system (AV receiver or AV preamplifier). Volume control as well as Balance and Muting can not be achieved at the SV-234 when using the input "LINE5". These functions must be operated at the device connected to this input. If you want the amplifier SV-234 to automatically switch on/off every time the HiFi component connected to "LINE5" is switched on/off, the power control cable connections subsequently described must be applied. Please leave the input connector "LINE5" unused if you do not wish to use the amplifier SV-234 just as a power amplifier. To avoid the necessity of switching them on and off before and after every use, many manufacturers have equipped their devices with what is known as "POWER CONTROL" circuit or "TRIGGER". This kind of remote-controlled standby circuit is used primarily for preamplifier and power amplifiers. To employ these functions, direct or indirect cable connections must be made between the preamplifier (or integrated amplifier) and all the devices which support this function. The "POWER CONTROL" function operates in such a way that each switching on or off of one device in the system (usually the preamplifier) automatically brings about the switching on or off of all the connected devices which support this function. Please keep in mind that all devices which respond to the power control are not disconnected from the mains network when switched off. For each connection between two devices one of those cables is needed. If you don't wish to use this function or if the other components do not support it, all you have to do is leave out these cable connections. The SV-234 is equipped with one input connector and two output connectors for the power control. As a result, this amplifier can supply and transmit the switching signal for other components in the system as well as accept it from other components. (1) The complete system is to be switched on/off at the SV-234 POWER button In this situation the input in the terminal "POWER CONTROL" (15) must not be occupied and must be left open. Two HiFi components that are able to react to the power control signal can be connected directly to the amplifier's power control outputs. If more than two devices, which can be controlled, are to be connected, then it is necessary, to make the power control connection between the preamplifier and these further devices through the outputs of the two devices which are connected directly. For that reason, every HiFi component that accepts power control signals is also equipped with a power control output. Thus, in theory it is possible to provide an infinite number of HiFi components with the power control signal. This approach, to loop a signal through a chain of components, is commonly referred to as "daisy chaining". [. . . ] One of the signal cables between audio source and amplifier inputs has not yet been plugged in or is defective. The cables coming from both the speakers of a speaker pair must not be connected to different terminal sets (e. Symptom Front panel display does not work Poor sound quality It has been switched off before using "DIMMER" (7). The cable connections are not tight, the connectors are dirty or a cable is defective. [. . . ]