| Make | Model | Problem | Solution | Date |
| | | |
| Found: 442
|
| Decca | 190 | Dead PSU tripping StBy LED not alight | Replace C814 ( 47uF ) 250V & C808 ( 100uF ) 385V | 14-09-04 |
| Decca | 190 | Dead with tripping | C814 47µ 250v, mains smoother C808 100µ 385v | 14-09-04 |
| Decca | 190 | Dead. | R802/3 ( 15k , 0.5W ) o/c. | 14-09-04 |
| Decca | 190 | Dead. | TR801 , fuse may soft blown , C803 low , IC801 , R827 ( 47 ) marked LK820. | 14-09-04 |
| Decca | 190 | Decimal point permanently displayed/flashing. | Front PB membrane , IC804 78M05CV reg. | 14-09-04 |
| Decca | 190 | Display disappears after a few seconds. | IC702. | 14-09-04 |
| Decca | 190 | Displaying '0' & refusing commands. | Front PB membrane. | 14-09-04 |
| Decca | 190 | Dist sound/pic with buzz/pulling | Check adj of L102 "tank" coil | 14-09-04 |
| Decca | 190 | Drifting off tune. | Front PB membrane. | 14-09-04 |
| Decca | 190 | Droning noise. | C707 ( 470nf ) o/c. | 14-09-04 |
|
|
| Decca | 190 | Foldover with excessive height. | IC TDA4505 note if runing hot check P7 for 12V if high IC803 LM31 | 14-09-04 |
| Decca | 190 | Grainy picture. | Check for 12v at P2 of tuner if not check edge of PCB. | 14-09-04 |
| Decca | 190 | Grey scale faults | Check 47k resistors ( 3 on each output stage ) | 14-09-04 |
| Decca | 190 | Hanover bars. | Try adj L502 if not faulty DL501. | 14-09-04 |
| Decca | 190 | Incorrect operation of front panel controls | IC702 micro HD401220A02S pt no 19-8315-6 | 14-09-04 |
| Decca | 190 | Int functions | Check membrane - pt no's in TV Mag | 14-09-04 |
| Decca | 190 | Lack of width. | R413 ( 18R ) | 14-09-04 |
| Decca | 190 | Line foldover in centre of screen. | R413 ( 18R ) | 14-09-04 |
| Decca | 190 | Line freq wrong | R109 30k hi res | 14-09-04 |
| Decca | 190 | Mains fuse or surge limiter o/c | Check R812 33k in snubber network positioning - if too close to heatsink will flash over | 14-09-04 |
| Decca | 190 | No colour - or loss of one colour. | Break in PCB by delay line , IC501 TDA3565. | 14-09-04 |
| Decca | 190 | No frame. | R411 o/c IC301 TDA3653B. | 14-09-04 |
| Decca | 190 | No pic - sound ok | No line drive pin 26 TDA4505 IC101, C111 2n7 timing cap o/c | 14-09-04 |
| Decca | 190 | No pic - sound ok | R413 18R metal film res in line dr supply o/c | 14-09-04 |
| Decca | 190 | NO PIC NO EHT NO LINE DRIVE | C111 OC LINE OSC TUNING | 14-09-04 |
| Decca | 190 | No raster - sound Ok - no heaters. | Drys on LOPTX. | 14-09-04 |
| Decca | 190 | No remote operation. | 5 volt regulator low o/p. | 14-09-04 |
| Decca | 190 | No sound/raster with "0" displayed | Remove switch membrane to check operation of tv - if ok then membrane u/s | 14-09-04 |
| Decca | 190 | No tuning. | R769 ( 33k ) , R005 ( 5.6M ) , Touch-pad membrane , TAA550 33v reg , last tuner | 14-09-04 |
| Decca | 190 | Noisy picture. | Tuner may not show up by banging it. | 14-09-04 |