| Make | Model | Problem | Solution | Date |
| | | |
| Found: 442
|
| Decca | 170 | No sound or raster - display Ok - no 12v rail | Drys on pins 1&15 of M152 connector ( audio/scart pcb ) must remove. | 14-09-04 |
| Decca | 170 | No sound/led & bright raster fading away | 6v supply only 2.2v - D811 BA157 leaky | 14-09-04 |
| Decca | 170 | No sound/vis - has chan display & will change chan - HT present at lop tr | Dry joints on plug pins base of vertical scart panel & on RA16 on separate audio panel. | 14-09-04 |
| Decca | 170 | No start up - chan ind ok | R426/427 1k hi res | 14-09-04 |
| Decca | 170 | NO TUNING FROM COLD , OK WHEN WARM | 4Mhz CRYSTAL X001 | 14-09-04 |
| Decca | 170 | No tuning when cold | 33v ok at pin 17 SAB3035 but no o/p pin 15 - X001 4Mhz Xtal faulty | 14-09-04 |
| Decca | 170 | NON STARTER , CHAN IND LIGHTS , CAN BE SWITCHED TO S | CHECK LINE DRIVER STAGE ESP. R426 AND R427 BOTH 1K ohm | 14-09-04 |
| Decca | 170 | Only possible to select one channel. | Front panel membrane , or IC702 ( CITAC ) | 14-09-04 |
| Decca | 170 | Pale picture - lack of contrast - control u/s | L506 o/c. | 14-09-04 |
| Decca | 170 | Sound - none LED 1/2 inch bright band at top. | D811 ( BA157 ) high forward resistance , R820 ( 0.22R ) | 14-09-04 |
|
|
| Decca | 170 | Switching on from standby. | IC702 or Front panel control membrane. | 14-09-04 |
| Decca | 170/180 | Dist col - yellow faces - int | C531 1µ 50v in apc loop | 14-09-04 |
| Decca | 170/180 | Line o/p tr s/c | Also replace D404 BY228 E-W mod diode, Q303 (TIP31 ok) & R433 1R2 safety res | 14-09-04 |
| Decca | 170/80 | INT YELLOW FACES AFTER 2hrs | C531 1uF 50v DECODER | 14-09-04 |
| Decca | 171 | Line collapse. | Drys on Lin coil. | 14-09-04 |
| Decca | 171 | Line collapse. | Drys on Lin coil. | 14-09-04 |
| Decca | 171 | No sound. | Drys on sound IC. | 14-09-04 |
| Decca | 171 | No sound. | Drys on sound IC. | 14-09-04 |
| Decca | 171 | No Tuning - will sweep. | R004 ( 4.7R ) side of tuner. | 14-09-04 |
| Decca | 180 | Blowing Q403 S2000AF. | C421 o/c ( value depends on CRT size. | 14-09-04 |
| Decca | 180 | Brighter at rh side of screen | Check C426 & C508 0µ1 | 14-09-04 |
| Decca | 180 | Chan display only | HT at lop tr - no 18v pin 15 AV plug (M00-1) 26v ok at pin 1 caused by burnt skt pin 15 - hard wired | 14-09-04 |
| Decca | 180 | Chan display only - no 18v to reg | Bad joints pin 15 scart conn | 14-09-04 |
| Decca | 180 | Dead - chopper tr s/c | Check 120 & 150k feedback Rs & 220R res next to chopper tr | 14-09-04 |
| Decca | 180 | Green tint to picture. | R212 ( 47k ) high. | 14-09-04 |
| Decca | 180 | instantly blows S2000AF lop tr Q403 | C433 6.8nf 2kv in e-w cct o/c | 14-09-04 |
| Decca | 180 | Int frame collapse - destroys TDA3651. | C306 ( 100uf 50v ) o/c. | 14-09-04 |
| Decca | 180 | Low contrast | 120k res under lopt | 14-09-04 |
| Decca | 180 | NO SOUND OR PIC LED LIT | IC1001 SAB3035 | 14-09-04 |
| Decca | 180 | No sound or raster - display Ok - no 12v rail | Drys on pins 1&15 of M152 connector ( audio/scart pcb ) must remove. | 14-09-04 |