Denon AVR-1712 Owners Manual - Page 97
Troubleshooting - service manual
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Basic version Advanced version Troubleshooting If a problem should arise, first check the following: 1. Are the connections correct? 2. Is the set being operated as described in the owner's manual? 3. Are the other devices operating properly? If this unit does not operate properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. In this case, disconnect the power immediately and contact your store of purchase. GGeneralH Symptom Power does not turn on. Display is off. Cause/Solution • Check whether the power plug is correctly inserted into the power outlet. • The protection circuit is active. Disconnect the power plug from the electric outlet, wait 5 to 10 seconds and then insert it back into the outlet. • Set "Dimmer" on the menu to something other than "OFF". The power indicator is blinking red in intervals of approximately 2 seconds. The power indicator is blinking red in intervals of approximately 0.5 seconds. After turning on the power, the power indicator is blinking red in intervals of approximately 0.5 seconds. Set does not operate properly. • The temperature inside the unit has risen. Please turn off power once, and re-apply the power after the temperature has fallen sufficiently. • Please re-install this unit in a place having good ventilation. • Please use speakers which have the specified impedance. • The speaker cable has shorted (is touching). Firmly twist the core wire in the speaker cable, and then re-connect it to the speaker terminal. • This unit amplifier circuit has failed. Turn off the power and please contact the DENON service adviser. • Reset the microprocessor. Page C 5 93 66 - - C 6, 34 C 6 - 96 GHDMIH Symptom Cause/Solution No audio is output with HDMI connection. • Check the connection of the HDMI connectors. • When outputting HDMI audio from the speakers, set "HDMI Audio Out" on the menu to "AMP". • When outputting HDMI audio from a TV, set "HDMI Audio Out" on the menu to "TV". No video is output with HDMI connection. • Check the connection of the HDMI connectors. • Set the input source to match the connected HDMI connector. • Check whether the TV is compatible with copyright protection (HDCP). If connected to a device not compatible with HDCP, video will not be output correctly. When the following • Set "HDMI Control" in the menu to "OFF". operations are Furthermore, if you do not want to link the power off operation performed on with devices compatible with HDMI control, set "P.Off Control" devices compatible in the menu to "OFF". with HDMI control, the same operations occur on this unit. • Power ON/OFF • Switching audio output devices • Adjust volume • Switch input source GVideoH Symptom No picture appears. Cause/Solution • Check the TV connection. • Set the TV input correctly. Page 7 63 63 7 7, 20 6 41, 63 Page C 3 C 3 Information 94