Preinspection / Checklist (Audio)
J-7spec tableAn audio system malfunction can be caused by external factors such as noise or improper operation. Before troubleshooting, refer to the list below and correct any external factors.
Preinspection — Possible cause
No speakers operate
Possible cause — RadioVolume control knob turned down
Possible cause — Cassette deckPlayer in pause mode
Possible cause — Other
Some speakers do not operate
Possible cause — RadioSound control knobs not set properly
Possible cause — Cassette deck
Possible cause — OtherSpeaker(s) damaged
Sound distorted (noise occurs)
Possible cause — Radio• Incorrect tuning
• Antenna not extended
• Radio obstacle (fading or multi-path receiving)
Possible cause — Cassette deck• Faulty tape
• Long-playing tape (90 min. or 120 min.)
Possible cause — Other• Volume too high
• Door glass resonating
• Speaker(s) damaged
Poor sound quality or stereophonic function does not operate
Possible cause — Radio• Incorrect tuning
• Sound control knobs not set properly
Possible cause — Cassette deck• Faulty tape
• Long-playing tape (90 min. or 120 min.)
• Dolby mode playback for non-Dolby recorded tape
Possible cause — OtherSpeaker(s) damaged
Checklist
Checklist
No speakers operate
Flowchart No.1
Some speakers do not operate
Flowchart No.2
Poor sound quality only when radio is played
Flowchart No.3
Poor sound quality only when cassette tape is played
Flowchart No.4
Poor sound quality when radio or cassette tape is played
Flowchart No.5
Noise occurs
Flowchart No.6
Cassette tape does not unload or reverse function works unintentionally
Flowchart No.7
Cassette tape does not load or playback is not possible
Flowchart No.8