Make | Model | Problem | Solution | Date |
| | | |
Found: 442
|
Decca | 180 | No sync | MAB8441P-T049 Txt chip | 14-09-04 |
Decca | 180 | Only possible to select one channel. | Front panel membrane , or IC702 ( CITAC ) | 14-09-04 |
Decca | 180 | Pale picture - lack of contrast - control u/s | L506 o/c. | 14-09-04 |
Decca | 180 | POOR PIC + INT NO PIC | DRY ON AV / RGB PCB CONNECTOR M152 | 14-09-04 |
Decca | 180 | Pumping psu at switch on | OK off load - Check C806/807 100µ 25v & Mains smoother C805 100µ 385v | 14-09-04 |
Decca | 180 | SET WON'T START VOLTAGES IN POWER SUPPLY AT START | C807 100uF 25v CHOPPER BASE COUPLER FROM TDA4600 | 14-09-04 |
Decca | 180 | sound virtually non-existant | TDA1524A vol/tone control chip | 14-09-04 |
Decca | 180 | Switching on from standby. | IC702 or Front panel control membrane. | 14-09-04 |
Decca | 180 | This set's picture was brighter at the right-hand | C508 ( 0.1uF ) . which couples the luminance signal to pin 8 of the TDA3562A colour decoder chip. lt was virtually open-circuit. | 14-09-04 |
Decca | 180 | Watery pic intermittent or loss of sound/vis | Dry joints pin 15 connector M152 on daughter board | 14-09-04 |
|
Decca | 185 | No signals, slow chan change etc | No 33v at ZTK33 33v stab - check R005/6 10k ?w res o/c | 14-09-04 |
Decca | 185 | No tuning - display shows correct ch numbers. | R005/6 ( 10k , .5w ) o/c. | 14-09-04 |
Decca | 185 | Over bright P100 & no tuning signals. | R005/6 ( 10k , .5w ) o/c. | 14-09-04 |
Decca | 185 | SNOW ON SCREEN | R005 R006 OC 1Ok | 14-09-04 |
Decca | 190 | 1 or more control levels at zero or maximum. | Front PB membrane. | 14-09-04 |
Decca | 190 | Alternate light & dark vertical bars. | C901 ( 10nf , 2kV ) dry joint. | 14-09-04 |
Decca | 190 | Blowing S2000AF. | C404 flyback tuning con. | 14-09-04 |
Decca | 190 | Britness turning up or down on its own. | Hand set. | 14-09-04 |
Decca | 190 | Chopper transistor s/c | Also change R811 470k | 14-09-04 |
Decca | 190 | Colour drop out. | Adj osc control to about 8 o'clock. | 14-09-04 |
Decca | 190 | Colour turning up or down on its own. | Hand set - no controls on it for colour! | 14-09-04 |
Decca | 190 | Controls will turn down but will not turn up. | Front PB membrane. | 14-09-04 |
Decca | 190 | Controls will turn up but will not turn down. | Front PB membrane. | 14-09-04 |
Decca | 190 | dead | ht at lop tr - no 10 or 17v o/p from chopper tfmr. Dry joints chopper tfmr | 14-09-04 |
Decca | 190 | Dead | R803/3 15k ?w o/c in psu | 14-09-04 |
Decca | 190 | Dead | R802 R803 ( 15K ) | 14-09-04 |
Decca | 190 | Dead - blowing TR801. | R811 ( 470k ) , check TR801 insulator. | 14-09-04 |
Decca | 190 | Dead - fuse blown. | Bridge recys , TR801 s/c , R801 ( 3.3ohm ) , R811 ( 470k ) , IC801. | 14-09-04 |
Decca | 190 | Dead - fuse Ok. | R802/3 change to 16k .6W metal film. | 14-09-04 |
Decca | 190 | Dead - no display. | R802 ( 15k ) o/c by set HT control. | 14-09-04 |