Onkyo CP-1050 User Manual English - Page 12
Troubleshooting
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Troubleshooting Before starting the procedure Problems may be solved by simply turning the power on/off or disconnecting/connecting the power cord, which is easier than working on the connection, setting and operating procedure. Try the simple measures on both the unit and the connected device. The unit does not turn on. 0 Confirm that the power plug is securely plugged in to an outlet. 0 Set the POWER button to the OFF state by pressing it once and then set it to the ON state by pressing it again after waiting for 5 seconds or longer. No sound comes out after replacing the stylus with a special replacement stylus (DN-105ST). 0 Fit the stylus properly until a clicking sound is heard. The indicator of the speed selector button blinks. 0 Check whether the supplied turntable is properly plugged into the center spindle. 0 Check whether the rotation of the turntable is blocked by anything. 0 Press the POWER button once to turn off the power supply and then press the POWER button again to turn it back on. Stylus does not lower onto record. 0 Lower the lifter lever. 0 Check whether the stylus pressure has been adjusted correctly. 0 Check whether the tone arm is balanced horizontally. No sound is produced. Sound is too weak. 0 Check the input and volume of the amplifier. 0 If a commercial phono-equalizer is connected, check whether its power supply is turned on. 0 Make sure the pin cables with attached grounding are connected correctly. 0 If connected to an amplifier with no PHONO input terminal, sufficient volume and the correct sound quality cannot be obtained. In this case, connect a commercial phono-equalizer between the unit and the amplifier before use. A low booming sound (hum or buzz) is heard when music is played. 0 Check whether the pin cables with attached grounding are connected correctly (including the grounding line). 0 Keep electrical appliances such as fluorescent lamps and power cords as far away as possible from the pin cables with attached grounding. 0 Check whether the head shell is securely fastened by the locking nut. Stylus jumps. 0 Check whether the unit is subject to any vibration. 0 Check whether the stylus pressure and anti-skating are adjusted correctly. 0 Check whether there are any scratches or warps on the record. 0 Remove any dust attached to the stylus tip. 12