| Make | Model | Problem | Solution | Date |
| | | |
| Found: 10
|
| Sharp | C1421 | Dead with no st/by relay energising | No volts reset pin 11 of micro IC1002; D607 zener s/c | 14-09-04 |
| Sharp | C1421 | Fback lines | HT to RGB only 72v (180v) - C620 4µ7 250v & R620 22R | 14-09-04 |
| Sharp | C1421 | Sound low | L301 in if unit | 14-09-04 |
| Sharp | C1421 | St/by only - comes on briefly at sw on | OK on 110v ac mains - STR40090 faulty | 14-09-04 |
| Sharp | C1421 7PS | LINE JITTER | R308 820k | 14-09-04 |
| Sharp | C1421 7PS | LOW SOUND , ACTION OF VOL CONTROL ALTERS , ABOVE HA | CHECK L301 - IF UNIT | 14-09-04 |
| Sharp | C1421 7PS | Set dead StBy relay not enigised | Check pin 11 IC1002 for reset V & D607 | 14-09-04 |
| Sharp | C1421 7PS | Stuck in standby. | RY701 RELAY WINDING OC | 14-09-04 |
| Sharp | C1421 7PS | Stuck in StBy EHT comes up then goes into StBy | STR40090 u/s | 14-09-04 |
| Sharp | C1421H | St/by only | RY701 relay o/c winding | 14-09-04 |