04/01/21
Message Overview:
Message Description:
R PFD is reporting a failed SVS video output.
Possible Causes:
- Right Primary Flight Display (A26)
- Video Interface Unit (VIU) (CP32)
- Synthetic Vision Computer (SVC) (A230)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
NOTE: A GPS signal input is required for the SVS image to show on the pilot and the co-pilot primary flight display (PFD).
Quick Links:
| Removal of the Adaptive Flight-Display Unit | AMM 31-61-01-000-801 |
| Installation of the Adaptive Flight-Display Unit | AMM 31-61-01-400-801 |
| Removal of the Synthetic Vision Computer (SVC) | AMM 34-34-01-000-801 |
| Installation of the Synthetic Vision Computer (SVC) | AMM 34-34-01-400-801 |
| Removal of the Video Interface Unit (VIU) | AMM 34-34-09-000-801 |
| Removal of the Video Interface Unit (VIU) | AMM 34-34-09-400-801 |
| Standard Practices - Replace Wiring | SPM 20-12-00-02 |
| Standard Practices - Repair Wiring | SPM 20-12-10-02 |
Troubleshooting Recommendations:
- Reset SVS (CB2-A7), R PFD HTR (C4-F6) and R PFD (CB2-C3) circuit breakers.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Swap PFDs.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Do wiring checkof the coaxial cable from R PFD connector A26P1 to VIU connector CP32P5. Repair/replace as required.
- If system check are good, do close out.
- If fault remains, continue with next step.
- Do wiring check of the coaxial cable from SVC connector A230CP1 to VIU connector CP32P1. Repair/replace as required.
- If system check are good, do close out.
- If fault remains, continue with next step.
- Confirm the 28 VDC and grounds at VIU connector CP32P1. Repair/replace as required.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Replace VIU.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Replace SVC.
- If system checks passes, do close out.
- If fault remains, continue with next step.
- Do close out.