| Size |
Model |
Chassis |
Symptom |
Problem Description |
Fix |
| 50 | 50SBX78B | AP-82 | Video | intermittent video | Replace 3D Y/C comb filter |
| 50 | 50SBX78B | AP-82 | Video | low contrast on all inputs | IY01 |
| 50 | 50SBX78B | AP-82 | Video | no brightness | C724 |
| 50 | 50SBX78B | AP-82 | Video | dark edges, especially in motion | EEPROM |
| 50 | 50SBX78B | AP-82 | Video | Red misconverges | IK04, IK05 |
| 50 | 50SBX78B | AP-82 | Video | Picture is smeared | replace 3D comb filter |
| 50 | 50SBX78B | AP-82 | Video | square box and dots on screen | needs memory initialization |
| 50 | 50SBX78B | AP-82 | Audio | replaced I401, but still no audio | need memory initialization |
| 50 | 50SBX78B | AP-82 | TV Guide | Will not load TV Guide + | replaced Guide + module |
| 50 | 50SBX78B | AP-82 | Video | Picture is dark, if you turn up screen you see retrace lines | Q806 |
| 50 | 50SBX78B | AP-82 | Power | shutdown | I902, I905, I903, E994 |
| 50 | 50SBX78B | AP-82 | Power | click and shutdown, E994 open | C707 |
| 50 | 50SBX78B | AP-82 | audio | no audio | Q013 |
| 50 | 50SBX78B | | Audio | Audio still on with volume all the wall down | LS05 |
| 50 | 50SBX78B | | Video | clock loses time or won't run at all | R0H8, D031, Q018 |
| 50 | 50UX11K | AP-23 | Video | Unstable Video with many misc symptoms | Replace all surface mount electrolytic caps (4) on M301 (one is NP) |
| 50 | 50UX22B | AP-53 | Video | No video, but audio and OSD are OK | R708 (47kohm/.5W, on def PCB) |
| 50 | 50UX27K | AP-63 | Power | Shutsdown | STRM6511, resolder I907 |
| 50 | 50UX58B | AP-83 | Convergence | All 3 CRTs out of alignment, will not adjust | Replaced both convergence ICs (STK392-110) then used the factory realignment procedure |
| 50 | 50UX58B | AP-83 | Video | sides pulled in | C605 (4500pF, in pincushion circuit) |
