I own VR615 for about 3 years. Recently, it started turning itself off when volume exceeds some value. When it does so, the red standby light start blinking. Turning it off and back on fixes it but only until next loud sound. It's like it trips on overloading.
Re: kenwood VR615 turns itself off at medium volumes
Usually when a receiver cuts out at increasing volumes, you have a speaker or speaker wire problem. Check all of your speaker wires and make sure none of them are shorted. Incidentally, I do own this system myself.
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It is most likely the low voltage alarm. Suggest connecting when the car is running with no load (110 volts not connected). If the alarm continues turn the unit off and on to reset.
Hope this helps?
Inverter Protection Features
• Short Circuit Protection. The inverter will automatically shut down until short is removed.
• Low Voltage Alarm. An alarm will sound when the voltage from the battery discharges to 10.5 +/- 0.5 volts DC. This is an indication that the battery needs to be recharged.
• Over Voltage Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the input exceeds 16.5 +/- 1 volt DC.
• Under Voltage Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the input is less than 10.0 +/- 0.5 volts DC.
• Overload Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the continuous draw of the equipment being operated exceeds 1200 watts or the surge draw of the equipment exceeds 2400 watts.
• Thermal Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the circuit temperature exceeds 150° F
Start with the basic setup in the manual. Test tones - work or not?
NEVER USE MAXIMUM VOLUME FOR TROUBLESHOOTING.
Turn the volume control to something medium.
The errant switch, control or condition may change and you will suddenly release the amp's full power and possibly destroying your speakers. If a signal isn't audible at 1/2 volume it's probably not there.
Carefully examine the front panel for clues like a misplaced Mute or Tape Monitor control or Multichannel Analog Input selected.
There is a good chance that a common control may have developed a high-resistance or 'dead' spot through idleness and is causing your symptom. Turn the POWER OFF and operate every control throughout its range a number of times, especially rarely-used ones like Tape Monitors and the Mute control.
Turn the volume to something reasonable and see if that helped.
hello ,i strongly suspect the units protect circuit is sensing a speaker problem.Listen to each speaker to see if all the drivers(woofer,midrange,tweeter) are working and if so are any of them sounding distorted.When an amp is damaged it wont play at all,sounds like a bad speaker to me.
its more than that i think you have either turned your speakers a/b off or have blown up the sound valve i would send it in for checking by a ppro as no adjustment would be needed to get at least some sound
Sounds like the music amplifier is different to the tuner audio amp. The music amplifier is now looking at an unbalanced impedance which is less than it should be. Therefore the output chip of the music amp has more current through it than it wants so it gets hot and shuts down.Put a four ohm wirewound resistor ( from Radio Shack ) in series with each surround speaker to reduce the current flow through the amplifier output.