Make | Model | Problem | Solution | Date |
| | | |
Found: 442
|
Decca | 165 | Dead - fuse blown. | Chopper Tx ( R4051 ) s/c , D812 ( BY396 ) s/c , R802 ( 3.3R 4W ) o/c. | 14-09-04 |
Decca | 165 | Dead. | L802. | 14-09-04 |
Decca | 165 | Field collapse | Drys IC301. | 14-09-04 |
Decca | 165 | Frame cramp at bottom until set is warm. | IC TDA4503. | 14-09-04 |
Decca | 165 | Int cutting out. | Drys on Q801. | 14-09-04 |
Decca | 165 | Low gain | R102 ( 4K7 ) o/c bais to base Q101 swaf transistor | 14-09-04 |
Decca | 165 | No signals | TDA4503 faulty in IF | 14-09-04 |
Decca | 165 | No sound | TDA4503 chip | 14-09-04 |
Decca | 165 | No sync - sound muted. | C122 ( 100nf ) leakey. | 14-09-04 |
Decca | 165 | Noise through speaker when set is in standby. | Remove C826 , Fit 100nf Con in series with a 330R in C826 position | 14-09-04 |
|
Decca | 165 | Peak white raster | TDA3565 I501 | 14-09-04 |
Decca | 165 | Position 1 keeps loosing memory | Fit ( 10uF ) 35V cap across 34 ( 5K6 ) | 14-09-04 |
Decca | 165 | Set stuck in StBy | Check QR06 ( BF391 ) for s/c R007 & RO11 both ( 3K9 ) if both o/c replace microcontroller | 14-09-04 |
Decca | 165 | Signals low gain | R102 4k7 o/c | 14-09-04 |
Decca | 165 | Sound muted - no sync. | C122 ( 100nf ) leakey. | 14-09-04 |
Decca | 165 | St/by only | QR06 BF391 s/c, micro faulty (due to increased supply), R007 & R011 3k9 o/c | 14-09-04 |
Decca | 165 | St/by only | Mains sw temp contacts only 0.5v (-15v) - R803/809 82k hi res | 14-09-04 |
Decca | 165 | Stuck in standby. | R508 ( 12k ) o/c , R509 ( 12k ) o/c. | 14-09-04 |
Decca | 165 | Tripping HT constant at 117v | No line drive as 11.5v supply missing pins 7 & 22 IC101 - Check R507 & R508 12k | 14-09-04 |
Decca | 165 | Tripping. | D812 ( BY396 ) s/c. | 14-09-04 |
Decca | 170 | Blowing Q403 S2000AF. | C421 o/c ( value depends on CRT size. | 14-09-04 |
Decca | 170 | dead | chopper tr Q801 S2000AF s/c. Replace C807 100µ, C812 100µ. NOTE:- if run on reduced mains (120vac) set will trip even tho not faulty | 14-09-04 |
Decca | 170 | Dead aft storm | Replace IR02 PCD8572 & I001 SAB3035 | 14-09-04 |
Decca | 170 | FAULTY AFTER ELECTRICAL STORM | REPLACE IR02 ( PCD8572 ) , AND I001 ( SAB3035 ) | 14-09-04 |
Decca | 170 | Green tint to picture. | R212 ( 47k ) high. | 14-09-04 |
Decca | 170 | Int frame collapse - destroys TDA3651. | C306 ( 100uf 50v ) o/c. | 14-09-04 |
Decca | 170 | INT SYNC BRIGHTNESS | DRYS ON TEXT PANEL OR POOR CONNECTIONS ON CHASSIS RIVETS + EARTHS | 14-09-04 |
Decca | 170 | Intermittent sync/brill/sound/tuning etc | Soldered rivets connecting outer chassis to main pcb dry jointed | 14-09-04 |
Decca | 170 | Loss of col & lines | Bad joints edge conn Txt panel | 14-09-04 |
Decca | 170 | Low motorboating noise. | C711 ( 100mf 63v ) takes our R802 3.3ohm 4watt surge limiter L/H side of PSU. | 14-09-04 |