| Make | Model | Problem | Solution | Date |
| | | |
| Found: 527
|
| Aiwa | CXZR800K | At sw on relay clicks "DEMO" displayed then dead - keeps repeating | Check 2 x 2SK2723 FETs on sound o/p heatsink | 14-09-04 |
| B & O | LZ5000 3766 | Won't work on batt - ok on mains | Aux sw behind mains sw contacts needed resetting - make sure battery supply is adequate | 14-09-04 |
| Beko | 6BZ190-11 | Dead - psu burn up | IC901 MC44603, T901 FET P3NA60 use 2SK2545, R911 1k | 14-09-04 |
| Bush | 28ZFK WST66 | Dead set. TP2 (FET) Blown and also diode in bridge rectifier cct. | Fit new FET(I fitted a BUZ91 type instead of a P4NA80FI) and IN4007 diode in bridge cct | 14-09-04 |
| Bush | 28ZKF Orion 4400 | Dead with faulty on/off sw | Dry joints also LOPTr S2000AF s/c & LOPTx from SEME LOPTX1277 at ?18.95 Part S065621409 | 14-09-04 |
| Bush | 28ZKFWST66 | Blank raster | Check TP6 BD441 5v reg, dry joints chopper trfmr | 14-09-04 |
| Bush | WST66 28ZKF | Trips once then dead - LOPTr S2000AF1 s/c | LOPTx cause - FAT30564 ?19.38 SEME | 14-09-04 |
| Bush | Z718 | Channel selector stuck on prog. | ET6016 , 1R1106. | 14-09-04 |
| Bush | Z718 | East west - poor & bent verticals. | 4VT16. | 14-09-04 |
| Bush | Z718 | LOPTX keeps going. | 5C3 ( 0u 01f ) | 14-09-04 |
|
|
| Bush | Z718 | No signals on log.r channels. | ET6016 | 14-09-04 |
| Bush | Z718 | Tuning - drift. | 9Z1.6 | 14-09-04 |
| Crown | CTZ9002R | st/by only | Pri HT at chopper tr - R320 120k 1/4w in psu o/c | 14-09-04 |
| Crown | CTZ9009R | E/W fault & width varies | Scan coils | 14-09-04 |
| De Graff | D59HZ5 | Dead - both green leds flashing | Low serial data line at micro. When serial data pin of MC44130P sound proc chip dis'd set came on without sound - sound chip proc u/s | 14-09-04 |
| Fidelity | ZX1410 | Dead | D21 SC BY299 | 14-09-04 |
| Fidelity | ZX1410 | POOR CONTRAST , CONTROL DOES VERY LITTLE | C96 0.1uF 50v ( BETWEEN HEATSINK AND LOPT ) | 14-09-04 |
| Fidelity | ZX1410 | Weak contrast with no control | C96 0µ1 50v in beam lim | 14-09-04 |
| Fidelity | ZX1415 | Dead - BUT11A s/c. | Replace IC8 ( UC3844N ) , check R110 , R115. | 14-09-04 |
| Fidelity | ZX1415 | Dead - fuse Ok. | Drys or broken print at TR4. | 14-09-04 |
| Fidelity | ZX1415 | Int frame collapse | D25 INT OC | 14-09-04 |
| Fidelity | ZX1415 | No sound or raster - Ht Ok. | TR5 ( BC558 ) | 14-09-04 |
| Fidelity | ZX1415 | Will not store channels. | Select channel number with remote after pressing store button. | 14-09-04 |
| Fidelity | ZX2000 | Channels - will not go to ch 3. | IC ML923 tuning chip. | 14-09-04 |
| Fidelity | ZX2000 | Dark picture. | C412 ( 100pf ) leaky. | 14-09-04 |
| Fidelity | ZX2000 | dead | Pulsing 7v at ZD5 12v zener; R801 18k 8w o/c | 14-09-04 |
| Fidelity | ZX2000 | Dead - blowing chopper transistor. | R826 ( 39R ) goes high. | 14-09-04 |
| Fidelity | ZX2000 | Dead - fuse's ok. | Droper R801 ( 18k ) o/c , chopper transistor , D24 ( RGP15J ) | 14-09-04 |
| Fidelity | ZX2000 | Dead - tripping. | IC TDA2581. | 14-09-04 |
| Fidelity | ZX2000 | Frame - foldover & lack of height. | C706. | 14-09-04 |