If your unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help.
Should be service required, the servicer will need all three pieces
RECEIVER
CD PLAYER
TAPE DECK
REMOTE CONTROL
SYMPTOM | CAUSE | REMEDY | |
No power even if the POWER switch is | AC supply lead is not plugged in. | Plug in the AC supply lead. | |
pressed. |
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No sound from one speaker | Loose speaker connections. | Connect properly. | |
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No sound from speakers. | Internal protection circuit is functioning. | Unplug the AC supply lead from the wall AC outlet, and then | |
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| plug in again. | |
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Excessive static in FM broadcasts. | Interference from starting motor of nearby car. | Position the FM antenna as high and as far away from | |
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| nearby roads as possible. Connect using a coaxial cable. | |
| Interference from thermostat of nearby electrical | ||
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| appliance. |
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Noise increases during stereo broadcasts. | Antenna input is too weak due to obstructions or | Check antenna connections. | |
| excessive distance from broadcasting station. |
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| Install a | ||
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Stereo broadcasts are noisy and STEREO | Insufficient antenna input. | Install an antenna appropriate for the electric field strength of | |
indicator blinks on and off. |
| your area. | |
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Cannot select preset stations. | Preset memory has been erased. | Reprogram memory presets. | |
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Buzzing or static during AM (LW or MW) | Interference from source such as lightning, | Problem is difficult to eliminate but can be lessened by | |
broadcasts. | flourescent lights, electric motors or thermostat | grounding MW/LW (AM) loop antenna. | |
| of nearby electrical appliance. |
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| TV or microprocessor is being used nearby. | Move away from TV or microprocessor. | |
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AM (LW or MW) broadcast sensitivity is poor. | Radio signal is weak or antenna is not properly | Properly connect MW/LW (AM) loop antenna. | |
| connected. |
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| Change orientation of MW/LW (AM) loop antenna. | ||
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| Install an external MW/LW (AM) antenna. | |
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Can’t set timer. | Current time is not set. | Set current time. | |
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This unit will not operate properly. | The internal microcomputer has been frozen by | Unplug the AC supply lead from the wall AC outlet, and then | |
| an external electric shock (lightning, excessive | plug in again after about one minute. | |
| static electricity, etc.) or power supply with low |
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| voltage. |
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Play will not begin even if disc is loaded. | Disc is upside down. | Load disc label side up. | |
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| Disc is dirty. | Clean disc. | |
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No sound. | Input selector setting is incorrect. | Select the CD input position. | |
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Sound stops suddenly (always at same spot). | Disc is dirty. | Clean disc. | |
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| Volume is set too high. | Lower volume. | |
Tape won’t move during playback or | Slack tape wrapped around pinch roller. | Take up slack with a pencil before using. | |
recording. |
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Can’t record. | Erasure prevention tab is broken off. | Replace tape or cover erasure prevention hole with | |
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| cellophane tape. | |
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| Head is dirty. | Clean heads. | |
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Sound is distorted or fades out. | Head is dirty. | Clean heads. | |
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| Head has become magnetized. | Demagnetize heads with head eraser. | |
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| Tape is worn. | Replace tape. | |
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Poor sound quality. | Dolby NR switch is set to wrong position. | Set to positions matching those used when tape was | |
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| recorded. | |
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Stereo balance is poor. | Head is dirty. | Clean heads. | |
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Excessive noise. | Head is dirty. | Clean heads. | |
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| Head has become magnetized. | Demagnetize heads with head eraser. | |
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| Tape is worn. | Replace tape. | |
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Tape travel stops in middle of playback or | Slack tape coming out of cassette shell. | Take up slack by turning reels with a pencil. | |
recording. |
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Tape is creased or torn. | Replace with new tape. | ||
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| Endless tape is being used. | Don’t use endless tapes. | |
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Can’t find the beginning of desired selections | Silent gaps between selections are too short. | The function for searching for the beginning of desired | |
on tape. |
| selections won’t operate unless the silent gaps between | |
Excessively soft passages in middle of | |||
| selections are at least four seconds long. | ||
| selections. | ||
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| Conversation etc. is recorded. |
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Remote control doesn’t work. | Batteries are dead. | Replace batteries. | |
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| Remote control is too far away or is being used | Use within 6 m and 60° radius. | |
| at incorrect angle. |
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| Direct sunlight or lighting (of an inverter type of | Change position of the main unit. | |
| flourescent lamp etc.) is striking the remote |
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| control sensor of the main unit. |
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TV functions strangely when the remote | Remote control is being used near TV set with a | Move TV farther away or cover its remote control sensor. | |
control is used. | remote control sensor. |
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