15 TROUBLESHOOTING
If a problem should arise,first check the following.
1.Are the connections correct ?
2.Have you operated the receiver according to the Operating Instructions ?
3.Are the speakers, turntable and other components operating property ?
If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. Disconnect the power immediately and contact your store of purchase.
| Symptom |
|
|
| Cause |
|
|
|
| Measures |
|
| Page | |||
|
|
|
|
|
| |||||||||||
| DISPLAY not lit and sound not produced | • Power cord not plugged in securely. |
| • Check the insertion of the power cord plug. | 6 | |||||||||||
|
|
|
|
|
|
|
|
| • | Turn the power on with the remote control | 41 | |||||
etc. | when power switch set to on. |
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
| unit after turning the POWER switch on. |
| ||||||
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
broadcasts, |
|
|
|
|
|
|
|
| ||||||||
| • Speaker cords not securely connected. | • | Connect securely. |
|
|
| 12 | |||||||||
| • Improper | position of | the | audio function | • Set to a suitable position. |
|
| 42 | ||||||||
|
| button. |
|
|
|
|
|
|
|
|
|
|
|
| ||
DISPLAY lit but sound not produced. | • | Volume control set to minimum. |
| • Turn volume up to suitable level. |
| 43 | ||||||||||
FM |
|
| ||||||||||||||
| • | MUTING is on. |
|
|
|
| • | Switch off MUTING. |
|
| 45 | |||||
and |
|
|
|
|
|
|
| |||||||||
| • | Digital signals not | input | Digital | input | • | Input digital signals or select input jacks to | 42 | ||||||||
|
| selected. |
|
|
|
|
|
|
| which digital signals are being input. |
| |||||
tapes |
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| • Speaker terminals are |
| • Switch power | off, connect speakers | 12 | |||||||||||
records, |
|
| ||||||||||||||
|
|
|
|
|
|
|
|
|
| properly, then switch power back on. |
| |||||
| • Block the ventilation holes of the set. |
| • | Turn off the set’s power, then ventilate it | 4, 6 | |||||||||||
|
|
|
|
|
|
|
|
|
| well to cool it down. |
|
|
| |||
CD, |
|
|
|
|
|
|
|
|
|
|
|
|
| |||
DISPLAY not lit and power indicator is |
|
|
|
|
|
|
|
|
| Once the set is cooled down, turn the |
| |||||
the | flashing rapidly. |
|
|
|
|
|
|
|
|
| power back on. |
|
|
|
| |
| • | The unit | is | operating | at | continuous | high | • | Turn off the set’s power, then ventilate it | 4, 6 | ||||||
to |
| |||||||||||||||
|
| power | conditions | and/or | inadequate |
| well to cool it down. |
|
|
| ||||||
listening |
|
|
|
|
|
| ||||||||||
|
| ventilation. |
|
|
|
|
|
| Once the set is cooled down, turn the |
| ||||||
|
|
|
|
|
|
|
|
|
| power back on. |
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
when |
|
|
|
|
|
|
|
| ||||||||
| • Incomplete connection of speaker cords. | • | Connect securely. |
|
|
| 12 | |||||||||
Sound produced only from one channel. | • | Incomplete | connection | of | input/output | • | Connect securely. |
|
|
| 6 ~ 13 | |||||
problems |
|
|
| |||||||||||||
|
| cords. |
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
| |||||||
Positions of instruments reversed during | • | Reverse | connections | of | left and | right | • Check left and right connections. |
| 12 | |||||||
Common |
| speakers | or | left and right | input/output |
|
|
|
|
|
| |||||
stereo playback. |
|
|
|
|
|
|
| |||||||||
| cords. |
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
The on screen display is not displayed. | • | “On screen display” is set to off on the | • | Set “on screen | display” on | the | system | 26 | ||||||||
| ||||||||||||||||
|
| system setup menu screen. |
|
|
| setup menu screen to on. |
|
| ||||||||
|
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
| ||||||||
|
| • Ground wire of turntable not connected | • | Connect securely. |
|
|
| 6 | ||||||||
| Humming noise produced when record is |
| properly. |
|
|
|
|
|
|
|
|
|
|
|
| |
| playing. | • | Incomplete PHONO jack connection. |
| • | Connect securely. |
|
|
| 6 | ||||||
|
| • TV or radio transmission antenna nearby. | • Contact your store of purchase. |
| — | |||||||||||
|
|
|
|
|
|
| ||||||||||
records |
| • Turntable and speaker systems too close | • Separate as much as possible. |
|
| — | ||||||||||
|
| together. |
|
|
|
|
|
|
|
|
|
|
|
| ||
Howling noise produced when volume is | • Floor is unstable and vibrates easily. |
| • Use cushions to absorb speaker vibrations | — | ||||||||||||
playing | high. |
|
|
|
|
|
|
|
|
| transmitted by floor. If turntable is not |
| ||||
|
|
|
|
|
|
|
|
|
| equipped with | insulators, | use | audio |
| ||
|
|
|
|
|
|
|
|
|
| insulators (commonly available). |
|
| ||||
When |
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| • Stylus pressure too weak. |
|
|
| • Apply proper stylus pressure. |
|
| — | ||||||||
|
|
|
|
|
|
| ||||||||||
| Sound is distorted. | • Dust or dirt on stylus. |
|
|
|
| • Check stylus. |
|
|
| — | |||||
|
| • Cartridge defective. |
|
|
|
| • Replace cartridge. |
|
|
| — | |||||
|
|
|
|
|
|
|
|
| ||||||||
| Volume is weak. | • MC cartridge being used. |
|
|
| • | Replace with MM cartridge or use a head | 6 | ||||||||
|
|
|
|
|
|
|
|
|
| amplifier or |
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
| |||||
control |
| • | Batteries dead. |
|
|
|
| • Replace with new batteries. |
|
| 29 | |||||
| • Remote control unit too far from this unit. | • | Move closer. |
|
|
| 29 | |||||||||
This unit does not operate properly when | • | Obstacle between this unit and remote | • | Remove obstacle. |
|
|
| 29 | ||||||||
Remote unit |
|
|
| |||||||||||||
remote control unit is used. |
| control unit. |
|
|
|
|
|
|
|
|
|
|
| |||
| • Different button is being pressed. |
| • Press the proper button. |
|
| — | ||||||||||
| • <and >ends of battery inserted in reverse. | • | Insert batteries properly. |
|
| 29 | ||||||||||
|
|
|
| |||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
63