Sherwood AX-4103 Stereo Amplifier User Manual


 
13
Troubleshooting Guide
PROBLEM POSSIBLE CAUSE REMEDY
If a fault occurs, run through the table below before taking your amplifier for repair.
If the fault persists, attempt to solve it by switching the amplifier off and on again. If this fails to resolve the situation, consult
your dealer. Under no circumstances should you repair the amplifier yourself as this could invalidate the warranty.
ENGLISH
No power
No sound
No recording
Remote control unit does not
operate.
• The AC input cord is disconnected.
• Poor connection at AC wall outlet or the outlet
is inactive.
• The speaker cords are disconnected.
• The volume is adjusted too low.
• The MUTE button on the remote control is
pressed to ON.
• Speakers are not switched on.
• Incorrect selection of the input source.
• Incorrect connections between the components.
• Incorrect selection between the components.
• Incorrect operation of each component for
playback and recording.
• Batteries are not loaded or exhausted.
• The remote sensor is obstructed.
• Connect the cord securely.
• Check the outlet using a lamp or another
appliance.
• Check the speaker connections.
• Adjust the volume.
• Press the MUTE button to cancel the muting
effect.
• Press the SPEAKER A or B button to ON.
• Select the desired input source correctly.
• Make connections correctly.
• Make connections correctly.
• Operate each component correctly.
• Replace the batteries.
• Remove the obstacle.
󳂮 AMPLIFIER SECTION
󳀏Power output, stereo mode, 8 , THD 0.3 %, 40 Hz~20 kHz ................................................................................... 253 W
󳀏Total harmonic distortion, 8 , 53 W, 1 kHz ................................................................................................................ 0.05 %
󳀏Intermodulation distortion
60 Hz : 7 kHz= 4 : 1 SMPTE, 8 , 53 W ..................................................................................................................... 0.03 %
󳀏Input sensitivity, 47 k
Line .............................................................................................................................................................................. 200 mV
󳀏Signal to noise ratio, IHF “A” weighted
Line ................................................................................................................................................................................. 95 dB
󳀏Frequency response
Line, 20 Hz~40 kHz ..................................................................................................................................................... 3 dB
󳀏Output level
TAPE/VCR OUT, 2.2 k............................................................................................................................................ 200 mV
󳀏Bass/Treble control, 100 Hz/10 kHz ........................................................................................................................... 10 dB
󳂮 GENERAL
󳀏Power supply ................................................................................................................................................ AC 230 V, 50 Hz
󳀏Power consumption ........................................................................................................................................................ 120 W
󳀏Dimensions(WHD) ........................................................................... 440138332 mm(17-3/85-7/1613 inches)
󳀏Weight(Net) ..................................................................................................................................................... 8.0 kg(17.6 lbs)
Note: Design and specifications are subject to change without notice for improvements.
Specifications