AUDIO AND VISUAL SYSTEM PROBLEM SYMPTOMS TABLE
Tech Tips
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Before performing verification listed in the table below, check the fuse and relay.
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Methods used to verify the cause of the problem are listed in order of probability in the suspected area column.
| Symptom | Suspected area | See page |
|---|---|---|
| Pressing power switch does not turn on system. | 1. Radio receiver power source circuit | |
| 2. Replace radio receiver | ||
| No sound can be heard from speakers (audio is mute). | 1. Radio receiver power source circuit | |
| 2. Speaker circuit | ||
| 3. Replace radio receiver | ||
| Sound quality is bad in all modes. (Volume is too low.) | 1. Sound quality is bad in all modes (volume is too low) | |
| 2. Radio receiver power source circuit | ||
| 3. Speaker circuit | ||
| 4. Replace radio receiver | ||
| Abnormal noise occurs. | 1. Noise occurs | |
| 2. Replace radio receiver | ||
| Radio broadcast cannot be received (poor reception). | 1. Radio broadcast cannot be received (bad reception) | |
| CD cannot be inserted/played or CD is ejected right after insertion. | 1. CD cannot be inserted/played or CD is ejected right after insertion | |
| CD cannot be ejected. | 1. CD cannot be ejected | |
| Sound quality is bad only when playing CD. (Volume is too low.) | 1. Sound quality is bad only when CD is played (volume is too low) | |
| CD sound skips. | 1. CD sound skips | |
| 2. Replace radio receiver | ||
| Cassette tape cannot be inserted or played. | 1. Cassette tape cannot be inserted or played | |
| Cassette tape cannot be ejected. | 1. Cassette tape cannot be ejected | |
| Sound quality is bad only when playing tape. | 1. Sound quality is bad when playing tape | |
| Tape is tangled due to incorrect tape speed or auto-reverse malfunction. | 1. Tape is tangled due to incorrect tape speed or auto-reverse malfunction | |
| Radio receiver cannot be illuminated in night time. | 1. Illumination circuit | |
| 2. Replace radio receiver |