TROUBLESHOOTING

Be sure to investigate thoroughly before requesting repairs or after service. If it cannot be corrected, or if the problem is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center.

Notes

•Sometimes the unit may cease to recognize operations due to a mistaken operation or as a result of strong external noise (such as irregular voltage due to shock of impact, excessive static electricity, or lightning strike). If this happens, first disconnect the power cord, wait about 30 seconds, re-connect the power cord, and try the desired operation again.

•When requesting repairs or after service of the YAMAHA subwoofer and rear speakers NX-SW70 (sold separately), be sure to bring along with this unit.

■ General

SYMPTOM

CHECK

Refer to page

 

 

 

No sound output at all.

• Is the AC power supply cord connected?

14

 

 

 

 

• Is the TV or VCR connected correctly?

10 – 12

 

 

 

 

• Is the input source selected correctly?

17

 

 

 

 

• Has this unit’s audio temporarily been lowered?

18

 

 

 

A “humming” noise is present.

• Hum caused by external electromagnetic waves may be generated.

14

 

Try inverting the right-left polarity of the power cord and re-insert into

 

 

the AC outlet.

 

 

 

 

The STANDBY indicator

• The unit is in Auto Power Off mode.

21

flashes slowly.

Turn off the main power if the unit is not to be used for an extended

 

 

period of time.

 

 

 

 

There is noise in the tuner or

• Is a tuner or TV that uses an indoor antenna located near the unit?

—

TV and the video image is

Use of an outdoor antenna is recommended.

 

unstable.

 

 

 

 

 

■When using a DSP program

SYMPTOM

CHECK

Refer to page

 

 

 

Movie dialog and other audio

• Are you using one of the DSP programs CONCERT or SPORTS?

19, 20

is difficult to hear.

Select the other program.

 

 

 

 

■When using the remote control

SYMPTOM

CHECK

Refer to page

 

 

 

 

 

 

 

The remote control does not

• Are the batteries used up?

3

 

 

function properly.

 

 

 

 

• Is the remote control pointed at the sensor?

3

 

 

 

 

 

 

 

 

 

 

 

• Is the remote control too far from or too close to the sensor?

3

 

APPENDIX

 

 

 

 

 

• Is direct sunlight or other intense light (such as an inverter fluorescent

3

 

 

 

 

 

lamp) striking the sensor?

 

 

 

 

 

 

 

 

 

• Is another remote control being used at the same time?

3

 

 

 

 

 

 

 

 

• Have the batteries been inserted in the correct direction?

2

 

 

 

 

 

 

 

 

• Has the remote control selector button “S70” been pressed? Press “S70”

—

 

 

 

when you want to control this unit after controlling another component.

 

 

 

 

 

 

 

 

Cannot control other

• Has the correct manufacturer code been set?

23

 

 

 

component.

 

 

 

 

• Has the remote control selector button corresponding to the component to

26, 27

 

 

 

English

 

 

 

be controlled been pressed?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29