Problem Symptoms Table
WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Display function
DISPLAY FUNCTION
| Symptom | Suspected Area | Information |
|---|---|---|
| Black screen (when a disc is inserted, or when the system is in the VTR mode). | Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| AVC-LAN circuit | AVC-LAN CIRCUIT | |
| Television display | - | |
| Radio receiver | - | |
| Only the DVD screen is not displayed or not stable. | Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| Television display | - | |
| Only display screen input from an external device is not displayed or not stable. | Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| Proceed to "Display Signal Circuit between Video Terminal and Television Display" | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY | |
| Video terminal | - | |
| Television display | - |
Sound function
SOUND FUNCTION
| Symptom | Suspected Area | Information |
|---|---|---|
| Quality of sound from wireless headphones is poor or no sound can be heard. | Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| Wireless headphone | - | |
| Television display | - | |
| Only DVD sound cannot be heard or the sound quality is poor. | Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| Television display | - | |
| Only sound quality input from an external device is poor or no sound can be heard. | Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| Proceed to "Sound Signal Circuit between Video Terminal and Television Display" | SOUND SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY | |
| Video terminal | - | |
| Television display | - |
Remote control function
REMOTE CONTROL FUNCTION
| Symptom | Suspected Area | Information |
|---|---|---|
| A remote control system does not operate. | Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| Proceed to "A Remote Control System does not Operate" | A REMOTE CONTROL SYSTEM DOES NOT OPERATE | |
| AVC-LAN circuit | AVC-LAN CIRCUIT | |
| Remote controller | - | |
| Television display | - |