Audio Function:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected Area | Information |
|---|---|---|
| Pressing power switch does not turn on system | Proceed to "Pressing Power Switch does not Turn on System" | PRESSING POWER SWITCH DOES NOT TURN ON SYSTEM |
| Radio receiver power source circuit | RADIO RECEIVER POWER SOURCE CIRCUIT | |
| AVC-LAN circuit | AVC-LAN CIRCUIT | |
| Radio receiver | REMOVAL | |
| Panel switch does not function | Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT |
| AVC-LAN circuit | AVC-LAN CIRCUIT | |
| Radio receiver | REMOVAL | |
| No sound can be heard from speakers (Audio is mute) (for premium models) | Radio receiver power source circuit | RADIO RECEIVER POWER SOURCE CIRCUIT |
| Proceed to "No Sound can be Heard from Speakers" | NO SOUND CAN BE HEARD FROM SPEAKERS | |
| Stereo component amplifier power source circuit | STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Speaker circuit | SPEAKER CIRCUIT | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Stereo component amplifier | REMOVAL | |
| Radio receiver | REMOVAL | |
| Television display assembly (*2) | REMOVAL | |
| No sound can be heard from speakers (Audio is mute.) (for standard models) | Radio receiver power source circuit | RADIO RECEIVER POWER SOURCE CIRCUIT |
| Proceed to "No Sound can be Heard from Speakers" | NO SOUND CAN BE HEARD FROM SPEAKERS | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Speaker circuit | SPEAKER CIRCUIT | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Radio receiver | REMOVAL | |
| Television display assembly (*2) | REMOVAL | |
| Sound quality is bad in all modes (Volume is too low) (for premium models) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | POOR SOUND QUALITY IN ALL MODES (LOW VOLUME) |
| Speaker circuit | SPEAKER CIRCUIT | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Stereo component amplifier | REMOVAL | |
| Radio receiver | REMOVAL | |
| Television display assembly (*2) | REMOVAL | |
| Sound quality is bad in all modes (Volume is too low) (for standard models) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | POOR SOUND QUALITY IN ALL MODES (LOW VOLUME) |
| Proceed to "Sound Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Speaker circuit | SPEAKER CIRCUIT | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*2) | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Radio receiver | REMOVAL | |
| Television display assembly (*2) | REMOVAL | |
| ASL does not function, (for premium model) | Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter" | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN STEREO COMPONENT AMPLIFIER AND COMBINATION METER |
| ASL does not function (for standard model) | Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND COMBINATION METER |
| External device sound cannot be heard or sound quality is bad (Stereo jack is used) | Radio receiver power source circuit | RADIO RECEIVER POWER SOURCE CIRCUIT |
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO JACK ADAPTER | |
| Stereo jack adapter | REMOVAL | |
| Radio receiver | REMOVAL | |
| Abnormal noise occurs (for premium models) | Proceed to "Noise occurs" | NOISE OCCURS |
| Stereo component amplifier | REMOVAL | |
| Radio receiver | REMOVAL | |
| Abnormal noise occurs (for standard models) | Proceed to "Noise occurs" | NOISE OCCURS |
| Radio receiver | REMOVAL | |
| Radio broadcast cannot be received or poor reception | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | RADIO BROADCAST CANNOT BE RECEIVED OR POOR RECEPTION |
| CD cannot be inserted/played or CD is ejected right after insertion | Radio receiver power source circuit | RADIO RECEIVER POWER SOURCE CIRCUIT |
| Proceed to "CD cannot be Inserted/Played or CD is Ejected Right After Insertion" | CD CANNOT BE INSERTED/PLAYED OR CD IS EJECTED RIGHT AFTER INSERTION | |
| CD cannot be ejected | Radio receiver power source circuit | RADIO RECEIVER POWER SOURCE CIRCUIT |
| Proceed to "CD cannot be Ejected" | CD CANNOT BE EJECTED | |
| Sound quality is bad only when CD is played (Volume is too low) | Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)" | SOUND QUALITY IS BAD ONLY WHEN CD IS PLAYED (VOLUME IS TOO LOW) |
| CD sound skips | Proceed to "CD Sound Skips" | CD SOUND SKIPS |
| Radio receiver cannot be illuminated at night | Illumination circuit | ILLUMINATION CIRCUIT |
| Radio receiver | REMOVAL | |
HINT:
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