Problem Symptoms Table
HINT:
Inspect the "Fuse" and "Relay" before confirming the suspected area as shown in the table below.
DISPLAY:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Proceed to |
|---|---|---|
| Black screen. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. AVC-Lan circuit | AVC-LAN CIRCUIT | |
| 4. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| 5. Replace rear display assembly | TELEVISION DISPLAY | |
| Display screen is not stabilized (Synchronous error). | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Display signal circuit between rear display assembly and multi-display controller | DISPLAY SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 4. Replace rear display assembly | TELEVISION DISPLAY | |
| 5. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| Color on display screen is unusual (RGB signal error). | 1. Rear display color bar check in display check mode | DISPLAY CHECK MODE |
| 2. Display signal circuit between rear display assembly and multi-display controller | DISPLAY SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 3. Replace rear display assembly | TELEVISION DISPLAY | |
| 4. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| Navigation display appears on the multi-display, but does not appear on the rear display assembly. | 1. Display signal circuit between rear display assembly and multi-display controller | DISPLAY SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER |
| 2. Replace rear display assembly | TELEVISION DISPLAY | |
| 3. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| Only DVD screen is not displayed or not stabilized. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Display signal circuit between rear display assembly and multi-display controller | DISPLAY SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 4. Replace rear display assembly | TELEVISION DISPLAY | |
| 5. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| Only display screen input from the external device is not displayed or not stabilized. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Display signal circuit between video terminal and multi-display controller | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND MULTI-DISPLAY CONTROLLER | |
| 4. Replace video terminal | REPLACE VIDEO TERMINAL | |
| 5. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| 6. Replace rear display assembly | TELEVISION DISPLAY |
SOUND:
SOUND PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Proceed to |
|---|---|---|
| Quality of sound from wireless headphone is poor or no sound can be heard. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Sound signal circuit between rear display assembly and multi-display controller (wireless headphone) | SOUND SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER (WIRELESS HEADPHONE) | |
| 4. Mute signal circuit between rear display assembly and multi-display controller | MUTE SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 5. Mute signal circuit between radio receiver assembly and multi-display controller | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 6. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| 7. Replace rear display assembly | TELEVISION DISPLAY | |
| Quality of sound from headphone connected to headphone terminal is poor or no sound can be heard. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Sound signal circuit between rear display assembly and multi-display controller (headphone) | SOUND SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER (HEADPHONE) | |
| 4. Mute signal circuit between rear display assembly and multi-display controller | MUTE SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 5. Mute signal circuit between radio receiver assembly and multi-display controller | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 6. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| 7. Replace rear display assembly | TELEVISION DISPLAY | |
| Only DVD sound cannot be heard or the sound quality is poor. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Sound signal circuit between rear display assembly and multi-display controller | SOUND SIGNAL CIRCUIT BETWEEN REAR DISPLAY ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| 4. Mute signal circuit between radio receiver and multi-display controller | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND MULTI-DISPLAY CONTROLLER | |
| 5. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| 6. Replace rear display assembly | TELEVISION DISPLAY | |
| Only sound quality input from the external device is poor or no sound can be heard. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Display signal circuit between video terminal and multi-display controller | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND MULTI-DISPLAY CONTROLLER | |
| 4. Replace video terminal | REPLACE VIDEO TERMINAL | |
| 5. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| 6. Replace rear display assembly | TELEVISION DISPLAY |
REMOTE CONTROL:
REMOTE CONTROL PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Proceed to |
|---|---|---|
| A remote control system does not operate. | 1. Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT |
| 2. Rear display assembly power source circuit | REAR DISPLAY ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. A remote control system does not operate | A REMOTE CONTROL SYSTEM DOES NOT OPERATE | |
| 4. AVC-LAN circuit | AVC-LAN Circuit between Multi-display Controller and Rear Display Assembly | |
| 5. Replace multi-display controller | REPLACE MULTI-DISPLAY CONTROLLER | |
| 6. Replace rear display assembly | TELEVISION DISPLAY |