| Make | Model | Problem | Solution | Date |
| | | |
| Found: 32
|
| B & O | 5500 | Snowy pic, no sound & erratic col | IC6 TDA8120 in IF | 14-09-04 |
| B & O | LX5500 3903 | St/by only after initially being hard to turn on | C20 & 25 47µ 50v | 14-09-04 |
| Bush | 2550NTX | Cuts out aft several hrs with HT rail pulsing | R816 47R sm feedback to chopper chip int o/c | 14-09-04 |
| Bush | 2550NTX | Preventative maintenance | Check scan coil plug for dry joints - if burn up occurs could be write off | 14-09-04 |
| Grundig | GRT550 | Dead. | T661 ( S668T ) faulty. | 14-09-04 |
| Grundig | TVR5504 | Int dead | Dry joints around LOPTx though looked ok | 14-09-04 |
| Grundig | TVR5504 | INT TEXT FLASHES GARBLED TEXT ON TO PICTURE AND PI | DRY JOINTS ON EARTHS ON TEXT PCB | 14-09-04 |
| Mitsubishi | HS550V(B) | ROW OF DOTS ON SCREEN | REPLACE CHARACTER GENERATOR IC501 | 14-09-04 |
| Philips | 21CE7550 | Dead - HT only 35v (135v) | LOPTx | 14-09-04 |
| Philips | 21GR2550 | F7 in display/ LED flashing - no user controls | 5v supply to Txt pcb low - C2843 22µ 16v | 14-09-04 |
|
|
| Philips | 2550 | DEAD-LOUD TRIPPING NOISE | D6845 ( SURFACE MOUNT ) SHORT | 14-09-04 |
| Philips | 2550 | NO FIELD SCAN ( APPROX 2" ) | R3511 HIGH | 14-09-04 |
| Philips | 25MN1550 | No tuning - in Hotel mode | select CH 38 simultaneously press vol + and ch - to disable hotel mode | 14-09-04 |
| Philips | G90AE 21GR2550 | Tripping PSU | Check/replace 3 x 33v sm zeners in series | 14-09-04 |
| Philips | GR2.2 25MN1550 | No line or field sync | IC7470 TDA2579B tbase gen chip u/s - caused by arcing LOPTx | 14-09-04 |
| Philips | GR2.2AA 25MN1550 | LOPTr destroyed every few days/weeks | Varyation in hor phasing - TDA2579B timebase gen chip | 14-09-04 |
| Saba | IKC2 M5506 | No signals | Replace II06 SDA 3202 in tuner | 14-09-04 |
| Schneider | STV5501 11AK19 | Bright screen with fb lines | Check D609 BA159 & its series connected resistor | 14-09-04 |
| Toshiba | 2550TB | frame collapse, no sound | R480 (24545229) o/c, IC480 MC7809BT (23904844) | 14-09-04 |
| Toshiba | 2550TB | PARTIAL FRAME COLLAPSE AND NO SOUND | REPLACE R480 AND IC480 | 14-09-04 |
| Toshiba | 2550TB | patterning on top and bottom from cold, freezing QD03 on DPC board shows the fault | design problem causing line pick-up from video stage, add 0.01uF 50V cap on print side of DPC across RD13 | 14-09-04 |
| Toshiba | 2550TB | Pic jumps & arcing noise with G2 fashing on crt base | Check earth pin of LOPTx | 14-09-04 |
| Toshiba | 2550TB | Width lacking with E/W corr faulty | QD01 2SB688 leaky - or was it a dodgey heatsink? Insulate from heatsink | 14-09-04 |
| Wharfedale | 550 | Dead - no line drive | replace Q580 (C1573A) and R609 1K 4W | 14-09-04 |
| Wharfedale | 550 | Field shifted down after burnt LOPTx replaced | Replace RD06 10k & RD17 4K7 (burnt) & adj in serv mode (in vault) | 14-09-04 |
| Wharfedale | 550 | Off with burning smell | C599 2n2 high volts disc ceramic cap in LOP burnt | 14-09-04 |
| Wharfedale | 550 | Pic absent - sound ok | R609 1k 5w o/c & Q580 2SC1537 line dr tr leaky | 14-09-04 |
| Wharfedale | 550 | St/by only - no line drive | Q580 (2SC1573A line driver) equiv 2SC3468 (Seme) - also replace LOPTr BU508AF | 14-09-04 |
| Wharfedale | 550 | Width lacking & no E-W | RD18 ( 5K6 1w safety) o/c which was caused by CD21 ( 470 or 680nF 250v ) being O/C to print | 14-09-04 |
| Wharfedale | 550FTB | SCART I/p has no sync - sound ok | TDA8361A replaced & resolder scart | 14-09-04 |