TROUBLESHOOTING
Before assuming that your amplifier or receiver is faulty, check by following troubleshooting list which details corrective action which you can take yourself. If the fault persists, or is not ;ntioned
in the list, turn off and disconnect the unit immediately, and get in touch with your nearest Yamaha dealer:
Fault
Cause
Cure
Power is not supplied even through the
Power switch is turned on.
• The power plug is not securely plugged in.
• Plug it in securely.
No sound is heard.
• The input slector is not set correctly.
• The pin plug is not properly connected.
• Press the correct input selector.
• Check the connections.
There is no sound from one speaker.
• The pin plug is not properly connected.
• Check the connections.
Sound quality cannot be enhanced.
• The EQ button is not pressed.
• Press the EQ button.
Spectrum analyzer will not light up.
• The input selector is not set correctly.
• The correct DISPLAY mode button is not pressed.
• Press the correct input selector.
• Press the ANALYZER button.
Equalizer level will not light.
• The correct DISPLAY mode button is not pressed.
• Press the correct DISPLAY mode button.
Equalizer level of the desired channel
will not light.
• The channel button is not set correctly.
• Press the desired channel button.
No pink noise during auto equalization.
• The microphone is not connected.
• Connect the supplied microphone to the MIC jack.
SPECIFICATIONS
Rated Output Voltage
[1 kHz, 0.1% T.H.D) .....................................................
7V
Rated Output Voltage .................................................
1V
Max. Input Voltage
(1 kHz) ...........................................................................
7V
Rated Input Voltage ....................................................
1V
Input Impedance
............................................. 22 k-ohms
Frequency Response ...........................
10 Hz — 50
kHz,
-1 dB
Center Frequencies ..................
30 Hz, 60 Hz, 120 Hz,
240 Hz, 480 Hz, 1 kHz, 2 kHz,
4 kHz, 8 kHz, 16 kHz,
Equalizer Control Range .......................................
±12 dB
Signal-to-Noise Ratio (IHF A Network)
At 1V output
................................ 113d8/2V, 107dB/1V
Total Harmonic Distortion
(20 Hz ~ 20 kHz, 1V output)
................ Less than 0.006%
Maximum Output
(1 kHz, T.H.D. 0.1%).......................................................
7V
Subsonic Filter Cutoff
Frequency
................................. 5 Hz — 30 Hz (Variable)
(12dB/Oct)
Microphone Input Sensitivity ..................................
0.3
mV
Power Requirements
General model
............ 110/120/220/240V, 50/60 Hz
Europe model
................................................ 220V, 50 Hz
Australia and U.K. models
.............................. 240V, 50Hz
U.S.A. and Canada models .........................
120V, 60 Hz
Power Consumption
............................ Canada model: 14W
Except Canada model: 12W
Dimensions (W x H x D) .....................
435 x 122 x 290 mm
(17-1/8"x 4-13/16" x 11-7/16")
Weight
....................................................... 3.8 kg (8 lbs. 6 oz.)
Accessories
............................................ Pin plug cords (2)
Electret Condenser Mic (1)
Mic stand (1)
Remote Control Transmitter RS-EQ11 (1)
Dry battery, size "AA" (R06) type (3)
* Specifications subject to change without notice.