| Make | Model | Problem | Solution | Date |
| | | |
| Found: 10
|
| Crown | CRP21 | Child lock removal | s/c pins 4 & 17 of R/C. Press 'clear' then 'pass'. S/C pins again twice. To clear press 'clear'. | 14-09-04 |
| Crown | CRP21T | dead | R599 2k 5w - replace Q579 too | 14-09-04 |
| Crown | CRP21T | dead | Q101 BUZ77 FET chopper s/c, R101 5R6 5w o/c, R108 220k, R109 330k hi res. Also check chopper tfmr for leaky feedback windings + TDA4605 | 14-09-04 |
| Crown | CRP21T | Dead Q101 PSU Chopper s/c | R108 220k & R109 330k hi res | 14-09-04 |
| Crown | CRP21T | int dead | 2SC1573A line driver Q579 (may check ok) | 14-09-04 |
| Crown | CRP21T | Int symbols showing when Micro & Xtal fitted with blank raster | Fit D483 in its posn between micro & tuner/IF (No diode previously fitted) | 14-09-04 |
| Crown | CRP21T | No signals | R127 12k o/c | 14-09-04 |
| Crown | CRP21T | Pass Code - resetting | open hset if SAA3004P s/c pins 2+18; if KS51900-43 or OHS2015DN s/c pins 18 + D6; if GMS30150 9514 s/c pins 4&17. Sw on tv, press chan button so PASS displayed, insert R/C batts & point at tv. PASS CLEAR appears on tv. Remove R/C s/c to end set up. | 14-09-04 |
| Crown | CRP21T SM1 Mono | Stuck in standby. | R599 2k 5watt in PSU o/c , check Q579. | 14-09-04 |
| Crown | CRP21T(S) | Dead - internal fuse intact (due to power surge) | Q101 BUZ90F, IC104 TDA4605 & R101 5R6 5w | 14-09-04 |