Denon AVR-788 User Manual
Page 13

ENGLISH
Connecting the Speaker Cables
Carefully check the left (L) and right (R) channels and + (red) and – 
(black) polarities on the speakers being connected to the AVR-788, and 
be sure to interconnect the channels and polarities correctly.
1
Peel off about 0.03 ft/10 mm of sheathing 
from the tip of the speaker cable, then 
either twist the core wire tightly or 
terminate it.
2
Turn
the
speaker
terminal
counterclockwise to loosen it.
3
Insert the speaker cable’s core wire to 
the hilt into the speaker terminal.
4
Turn the speaker terminal clockwise to 
tighten it.
When using a banana plug
Tighten the speaker terminal firmly before 
inserting the banana plug.
NOTE
• Use speakers with an impedance of 6 to 16 Ω/ohms. When using
front A and B speakers simultaneously, use speakers with an 
impedance of 12 to 16 Ω/ohms.
• Connect the speaker cables in such a way that they do not stick out
of the speaker terminals. The protection circuit may be activated if 
the core wires touch the rear panel or if the + and – sides touch each 
other (v “Protection circuit”).
• Never touch the speaker terminals while the power supply is
connected. Doing so could result in electric shock.
Protection circuit
If speakers with an impedance lower than specified (for example 
4 Ω/ohms speakers) are used for an extended period of time with 
the volume turned up high, the temperature may rise, activating the 
protection circuit.
When the protection circuit is activated, the speaker output is shut 
off and the power indicator flashes red. If this happens, unplug 
the power cord, then check the speaker cable and input cable 
connections. If the set is extremely hot, wait for it to cool off and 
improve ventilation around it. Once this is done, plug the power cord 
back in and turn the set’s power back on.
If the protection circuit is activated again even though there are no 
problems in the ventilation around the set nor in the connections, 
the set may be damaged. Turn the power off, then contact a DENON 
service center.
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oubleshooting
1.AVR788E3_ENG_108.indd 13
2007/10/05 16:21:31
