| Make | Model | Problem | Solution | Date |
| | | |
| Found: 78
|
| Aiwa | VXD1420 | Pin code removal | Enter wrong no 3 x, then press Vol- on set & "7" on R/C for 5 secs when "protected" appears | 14-09-04 |
| Aiwa | VXT1420k | Dead | Start up Res R502 1M & R503 820k | 14-09-04 |
| Aiwa | VXT1420K | St/by only | LOPTr leaky | 14-09-04 |
| Bush | 2420 | sound muting on some chans & no search lock | sync pulses at Q403 varying - base bias res R424 750k o/c | 14-09-04 |
| Daewoo | CP420 GB14F7T1 | Int reverts to st/by | RLY2 relay was operating when fault occurred - IC I807 (TOP210-PF1) the standby switch mode IC in the power supply | 14-09-04 |
| Daewoo | GB14F7T1 CP420 | St/by only | R804 47k start up res | 14-09-04 |
| Fidelity | ZX4200 | Corrugated verticals. | C87 ( 47uf ) | 14-09-04 |
| Fidelity | ZX4200 | Dead - with faint ticking. | D21 ( BY229P ) s/c , may be due to LOPTX being faulty. | 14-09-04 |
| Fidelity | ZX4200 | Field stretched at top, ragged verts & hum bar | C87 47µ 200v | 14-09-04 |
| Fidelity | ZX4200 | Int blowing BU508D TR5. | C84 ( 2.2nf 2Kv ) | 14-09-04 |
|
|
| Fidelity | ZX4200 | Int cutting out. | C87 ( 47uf ) leaky. | 14-09-04 |
| Fidelity | ZX4200 | Lack of contrast. | R111 ( 100k 1/2w ) RHS of LOPT. | 14-09-04 |
| Fidelity | ZX4200 | Lack of width - HT low. | C87 ( 47uf ) leaky. | 14-09-04 |
| Fidelity | ZX4200 | No go - just1 Psst at switch on. | C93 ( 1uf , 100v ) o/c by TDA4503 IC. | 14-09-04 |
| Fidelity | ZX4200 | Small raster. | Replace C111 with a 47uf 250v ) | 14-09-04 |
| Fidelity | ZX4200 | Switching off - Tuning drift. | C87 ( 47u f 250v ) | 14-09-04 |
| Fidelity | ZX4200 | Tripping. | TR5 ( BU508D ) s/c. | 14-09-04 |
| Goodmans | 1420R | All progs slightly mis-tuned & not stopping during search tune | All that was required was a slight tweak of the hex core in the afc coil | 14-09-04 |
| Goodmans | TVC141 CP420 | Focus & screen adj faulty - looks like CRT | I501 TDA8374A | 14-09-04 |
| Hitachi | C1420VT | Crack from LOPTx & st/by only | replace loptx | 14-09-04 |
| Hitachi | C1420VT | No pic/sound | No tuning volts - 33v stab ic faulty | 14-09-04 |
| Hitachi | C1420VT | St/by only | Prot tr Tr7550 faulty | 14-09-04 |
| Matsui | 1420 | Dead | Chopper tr 2SC3156 s/c - used BUX48A, 3R9 5w dropper o/c, D508 s/c used RGP15M. | 14-09-04 |
| Matsui | 1420 | Dead | 2A fuse blackened; Chopper tr s/c; 3R9 5w dropper o/c; dry joints chopper tfmr & replace C508 4µ7 | 14-09-04 |
| Matsui | 1420 | Dead | D508 R2M SC. IF FAULT REOCCURS CHECK OR REPLACE LINE DRIVE TX | 14-09-04 |
| Matsui | 1420 | Dead - low HT (60v) - ok on bulb (120v) | LOPTx s/c winding - HT correct at 103v after replacement | 14-09-04 |
| Matsui | 1420 | Field cramp | C412 1µ 25v tant | 14-09-04 |
| Matsui | 1420 | FIELD CRAMP AFTER WARM UP | CHECK C412 1mfd , 25v | 14-09-04 |
| Matsui | 1420 | Green screen | R807 8k2 on crt base hi res | 14-09-04 |
| Matsui | 1420 | POOR FIELD WHEN WARM | C412 1uF 25v TANTALUM | 14-09-04 |