| Make | Model | Problem | Solution | Date |
| | | |
| Found: 442
|
| Decca | 190 | Patterning over bottom half of picture. | Frame IC. | 14-09-04 |
| Decca | 190 | Pic/sound goes out of tune & pulses after chan change | Adjust vis det coil L102 (tank) | 14-09-04 |
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|
| Decca | 190 | Poor or drifting grey scale. | 1 or more of the RGB load resistors o/c 47k on CRT base. | 14-09-04 |
| Decca | 190 | Poor or no sync. | R109 ( 30k ) , R111 ( 4.7k hold control ) , C111 ( 2.7n ) , TDA4505. | 14-09-04 |
| Decca | 190 | PSU shuting down with bleeping sound. | Check S2000AF TR403 or D401 s/c. | 14-09-04 |
| Decca | 190 | Ragged verticals. | R413 ( 18R ) | 14-09-04 |
| Decca | 190 | Raster but no display. | IC702. | 14-09-04 |
| Decca | 190 | Reduced height. | R411 high. | 14-09-04 |
| Decca | 190 | Reverts to st/by aft 10 secs with whistling | 115v HT rises to 150v in st/by - R827 47R 4w in psu pri o/c | 14-09-04 |
| Decca | 190 | Rippled verticals. | C112 dry jointed. | 14-09-04 |
| Decca | 190 | slow start up | R803 16k start up res (read ok out of cct) | 14-09-04 |
| Decca | 190 | Sound going low when changing channel. | Sw off , hold mem button & sw on , press volume + , sw off & on again. | 14-09-04 |
| Decca | 190 | Sound lost on chan change | HD401220 micro pt no 1983156 | 14-09-04 |
| Decca | 190 | Sound turning up or down on its own. | Hand set. | 14-09-04 |
| Decca | 190 | Stuck in test mode. | Front PB membrane. | 14-09-04 |
| Decca | 190 | Stuck on 1 channel - Ok via remote. | Print cracked by R717-723. | 14-09-04 |
| Decca | 190 | Stuck on 1 channel. | Front PB membrane. | 14-09-04 |
| Decca | 190 | Stuck on 1 channel. | R717-723 ( 270k or 180k ) , or IC702. | 14-09-04 |
| Decca | 190 | Switching to standby. | Remove touchpad from socket. | 14-09-04 |
| Decca | 190 | Top foldover. | C409 ( 1 , 000u f , 35v ) or print around IC301. | 14-09-04 |
| Decca | 190 | Tripping or HT low ( Should be 115v or 109v ) may start up correctly if scan coils unplugged . | C803 220uF 16v ( PSU IC supply ) OC. | 14-09-04 |
| Decca | 190 | Tripping with peak-white raster. | Dry on tag at bottom of 1st anode/focus voltage module/PCB. | 14-09-04 |
|
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| Decca | 190 | Tripping with scan plug & CRT base remove. | LOPTX | 14-09-04 |
| Decca | 190 | Tripping. | R411 o/c feed to IC301 TDA3653B s/c. | 14-09-04 |
| Decca | 190 | Tripping. | Check track to pin 23 of IC101. | 14-09-04 |
| Decca | 190 | Tuning drift | keyboard membrane had recently been fitted. R005 5R6 never fitted | 14-09-04 |
| Decca | 190 | Tuning drift. | Touch-pad membrane , TAA550 33v reg , last tuner. | 14-09-04 |
| Decca | 190 | Tuning sweep very slow. | 5 volt regulator. | 14-09-04 |
| Decca | 190 | Uncontrollable brightness. | R201 ( 8.2R ) feed to RGB o/p. | 14-09-04 |
| Decca | 190 | White raster with fb lines then partial field coll after which switched off | R201 8R2 1/2w in RGB feed o/c | 14-09-04 |