| Make | Model | Problem | Solution | Date |
| | | |
| Found: 206
|
| Fidelity | CTV3228 | Tuning appears same on each station | Check IC302 memory chip for dry joints | 14-09-04 |
| Fidelity | CTV3228NF | Dead | Replace R618 100K fusible O/C,D577 BA 228 scorched, C620 .47/250 ,C600 1uf/250 on main pcb, R711 3.3 fusible, I600 TDA 8145 E/W was getting very hot C597 33N/100V E/W module | 14-09-04 |
|
|
| Fidelity | CTV3228NF | Dead - fuse blown | PTC thermistor int - when tapped resistance varies - replace with type 96209 30R version | 14-09-04 |
| Fidelity | CTV3228NF | Dead - line collapse first | BU508AF s/c, C620 .47 ufd o/c, and R711 a 3R3 (burnt o/c) on the small East West pcb. | 14-09-04 |
| Fidelity | CTV3228NF | Dead, pulsing | LOPTr Q602 BU2525AF s/c due to R608 dry joints | 14-09-04 |
| Fidelity | CTV3228NF | Height reduced | R340 3M3 o/c - remove to check | 14-09-04 |
| Fidelity | CTV3228NF | Int blows LOPTr | Line dr Tr | 14-09-04 |
| Fidelity | CTV3228NF | Int blows Q602 BU2508AF | Q580 2SC1573A line dr tr int o/c base | 14-09-04 |
| Fidelity | CTV3228NF | Line Collapse | R711 3R3 o/c, TDA8145 & C620 0µ47 250v o/c & check for dry joints | 14-09-04 |
| Fidelity | CTV3228NF | LOPTr int blows | Line driver Tr faulty - gives dist wfm aft a while, replace tr feed res with 2k 5w | 14-09-04 |
| Fidelity | CTV3228NF | No pic - line collapse when it went off | C620 0µ47 250v by scn coils plug o/c - maybe caused by dry joint - also check TDA8145 & R711 3R3 on e-w panel | 14-09-04 |
| Fidelity | CTV3228NF | No pic - sound ok | R618 100k 1w hi res, C600 1µ 0µ47 250v leaky & C620 0µ47 250v low cap | 14-09-04 |
| Fidelity | CTV3228NF | Poor EHT reg | C143 47µ 250v low cap | 14-09-04 |
| Fidelity | CTV3228NF SM2 | Colour fades out | C325 0µ1 | 14-09-04 |
| Fidelity | CTV920 | Dead apart from buzz & low HT volts | C171 3300pf 2Kv burnt & split | 14-09-04 |
| Fidelity | CTV920 | Low HT or no HT .HT may drop to 0v if line stage dissconnected and replaced by dummy load ( lamp ) . | C169 1uF 50v OC , STK7348 may be OC . | 14-09-04 |
| Fidelity | CTV920 | Poor cold start up | XC169 1µ 50v | 14-09-04 |
| Fidelity | CTV920 | Vert bands across pic | C50 100mfd 25v - 12v res cap faulty | 14-09-04 |
| Fidelity | F14 | Int start up | Chopper BU508A dry joints & R84 15k 5w hi res | 14-09-04 |
| Fidelity | F14 | No signals/search | Check switches on back of set not stuck down | 14-09-04 |
| Fidelity | LC169 | No sound/sync | R109E - part of chain of 10 x 5k6 res o/c | 14-09-04 |
| Fidelity | WSTV3132NF | Dead - LOPTr s/c - when replaced only low buzzing/no EHT | EHT lead s/c (has bleedere as'y fitted) | 14-09-04 |
|
|
| Fidelity | WSTV3132NF | Dead with s/c LOP Tr & safety res burnt | IC801 TDA8380 R805-R809 1R opto CNX82A, R821 8R2 ,R814 47R,Q840, BC501Q used BC639, R841 1k2,Q810 BUW13,R815 10k,Q601 BU508A & replace eht bleed assembly with regular eht lead as original is obsolete | 14-09-04 |
| Fidelity | WSTV7028N 11AK19-8A | Width | C630 0.27pF dry joints, Q603 BUK444 leaky, E-W coil shorted turns (looked ok) | 14-09-04 |
| Fidelity | WSTV7028NF | Excess width & E-W bowing, removing E-W tr Q683 makes no diff | L604 s/c (res should be approx 3R) self rewound 293turns | 14-09-04 |
| Fidelity | WSTV7028NF | Low width & R629 2R2 fusible o/c | C630 270nF 250v (no physical sign of being faulty) | 14-09-04 |
| Fidelity | WSTV7028NF | Narrow raster | C630 o/c . the value is 270nF 250V for 16:9 sets, 430nF 250V for 4:3 sets | 14-09-04 |
| Fidelity | WSTV7028NF AK19 | Lack of width & striation on lh side | C630 430nf 250v o/c in lop E/W mod area | 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 |