Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Black screen (when a disc or SD card is inserted, or when the system is in VTR mode) | Proceed to "Television Display Power Source Circuit" | |
| Proceed to "AVC-LAN Circuit" | ||
| Proceed to "Display Signal Circuit between Video Terminal and Television Display Assembly" | ||
| Video (Video adapter) terminal | ||
| Television display assembly | ||
| Color on display screen is not usual (when video (video adapter) terminal used) | Adjust the settings for contrast, tint, color and brightness | - |
| Operation check (Color bar check) | ||
| Proceed to "Display Signal Circuit between Video Terminal and Television Display" | ||
| Video (Video adapter) terminal | ||
| Television display assembly | ||
| Only the disc screen is not displayed or is not stable | Proceed to "Disc Player Outline" in System Description | |
| Adjust the settings for contrast, tint, color and brightness | - | |
| Television display assembly | ||
| Only the SD card screen is not displayed or is not stable | Check SD card (usable SD card, recorded files and format) | - |
| Adjust the settings for contrast, tint, color and brightness | - | |
| Proceed to "SD Card Slot Outline" in System Description | ||
| Television display assembly | ||
| Only the external device is not displayed or is not stable (when video (video adapter) terminal used) | Check if the external device is normal | - |
| Proceed to "Display Signal Circuit between Video Terminal and Television Display" | ||
| Video (Video adapter) terminal | ||
| Television display assembly | ||
| Television display does not turn on | Proceed to "Television Display Power Source Circuit" | |
| Proceed to "A Remote Control System does not Operate" | ||
| Rear switch and volume assembly | - | |
| Television display assembly |
| Symptom | Suspected Area | Link |
|---|---|---|
| Quality of sound from wireless headphones is poor or no sound can be heard (when video (video adapter) terminal used) | Check if the external device is normal | - |
| Proceed to "Sound from Wireless Headphones is Difficult to Hear, cannot be Heard, or Quality is Poor" | ||
| Proceed to "Sound Signal Circuit between Video Terminal and Television Display" | ||
| Video (Video adapter) terminal | ||
| Television display assembly | ||
| Quality of sound from wireless headphones is poor or no sound can be heard (when a disc or SD card is inserted) | Proceed to "Sound from Wireless Headphones is Difficult to Hear, cannot be Heard, or Quality is Poor" | |
| Proceed to "Television Display Power Source Circuit" | ||
| Television display assembly | ||
| Quality of sound from speakers is poor or no sound can be heard (when a disc or SD card is inserted) | Check if the speaker output function is on | - |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Television Display Assembly"*1 | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Television Display Assembly"*2 | ||
| Proceed to "Mute Signal Circuit between Navigation Receiver Assembly and Television Display Assembly"*1 | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly"*2 | ||
| Television display assembly | ||
| Navigation receiver assembly*1 | ||
| Radio and display receiver assembly*2 |
*1: for Navigation Receiver Type
*2: for Radio and Display Type
| Symptom | Suspected Area | Link |
|---|---|---|
| Remote control system does not operate | Proceed to "A Remote Control System does not Operate" | |
| Proceed to "Television Display Power Source Circuit" | ||
| Television display assembly |