Marantz NR1501 NR1501 User Manual - English - Page 38

NAMES AND FUNCTIONS CONNECTIONS BASIC BASIC OPERATION ADVANCED CONNECTIONS ENGLISH TROUBLESHOOTING If you have any problem using this product, please be sure to check the items in the following table. If you trouble cannot be solved, please unplug the power cable immediately and contact your Marantz authorized dealer or service center. GENERAL Symptom Cause Solution Check AC power cord connections. The unit does not turn on. The AC power cord is not properly connected. Make sure the AC power cord is firmly inserted into the unit. Make sure the power plug is firmly inserted into the power outlet. Check the connection of the input The input cables are not fully connected. cables between this unit and the source component (CD player, etc.), referring to the connection diagram. Set the input selector to the input The input selector is in the wrong terminal to which the source There is no sound. position. component (CD player, etc.) is connected. The volume is too low. Adjust the volume. The mute function has been activated. Cancel the mute function. Headphones are connected to the unit. Remove the headphones. There is no sound from a certain speaker. The speaker is not properly connected. Refer to the connection diagram to properly connect the speaker. The sound image does not localize correctly and is unnatural. • The polarity (+/-) of some speaker cables is incorrect. • Speaker position and speaker cable connections are incorrect.
Unplug the AC power cord and check the speaker cable connections. • The speaker cable has shortcircuited. • Unplug the AC power cord and check the speaker cable connections. • The unit was played at a higher • Turn the volume down a bit. volume than it was designed to be played. • You are using speakers with • Always use speakers with the The STANDBY lower impedance than required. required impedance. indicator is blinking slowly (twice a second). • The unit was placed and used on a narrow rack or similar confined space and became overheated • For safety's sake, always leave enough space around the unit. inside. • Use the remote controller to turn on the power. • If the same problem occurs again, unplug the AC power cord and have the unit serviced at the nearest service center. Page 12 12 12 9, 10, 11 13 13 13 28 8 8 2, 8 Symptom Cause Solution The STANDBY indicator is blinking There may be something wrong fast (8 times a with the unit. second). Immediately unplug the AC power cord and have the unit serviced at the nearest service center. The unit uses a computer that on The display is not rare occasions can malfunction Unplug the AC power cord and displaying properly. if affected by static electricity, then plug it in again. lightning or so on. The batteries are dead. Replace the batteries with new ones. The remote controller is out of Use the remote controller within range. range of the unit. Cannot use the remote controller There is an obstacle between the unit and remote controller. Remove the obstacle. to operate the unit. Strong light is falling on the unit's Prevent strong light from falling on infrared receptor window. the infrared receptor window. The mode of the remote controller Press the remote controller's AMP is not properly set. button before operating. The unit is set to IR = DISABLE. Change the setting to IR = ENABLE. A hissing noise (residual noise) is The unit has a surround DSP, which If the noise bothers you when generated when can sometimes make a noticeable listening to a 2CH source, listen in there is no input hissing noise. SOURCE DIRECT mode. signal. A humming noise Sometimes a sound will result is generated from depending on power source Turn off electric heaters, etc. inside the unit. conditions in the home. SURROUND Symptom There is no sound from the front speaker. There is no sound from the center speaker. Cause Solution An AM program, TV sound or other • Sound is heard from the center monaural source is being played speaker. There is nothing wrong in a surround mode other than with the unit. STEREO. • Set the speaker selector to the correct position. When the surround mode is set to The surround mode is set to STEREO. STEREO, no sound will come from the center speaker. Set the unit to another surround mode. CENTER = NO is selected on the SPEAKER CONFIG menu. Set CENTER to YES. Page − 12 3 3 3 3 7 16 − − Page 8 38 22 SETUP ADVANCED OPERATION TROUBLESHOOTING OTHERS 34