| Make | Model | Problem | Solution | Date |
| | | |
| Found: 26
|
| Decca | E series D28NEE5 | Audio gives 3 pops when turned off from st/by Attempting to start from residual charge | Remove R803 & 804 47k from pcb & connect together in R804 posn. Fit wire on copper side of pcb (?) - Official mod from Decca but not explained very well. | 14-09-04 |
| Decca | E series D28NEE5 | Brightness fluctuates rapidly with poss fb lines | C527 100n next to IC501 faulty | 14-09-04 |
| Decca | E series D28NEE5 | Dead when cold - ok when heated | 5v rail low - IC804 5v reg | 14-09-04 |
| Decca | E series D28NEE5 | E/W poor & Width excessive after FOP repair | ZD409 33v zener leaky - not shown on cct diag - pin 11 IC401 to earth | 14-09-04 |
| Decca | E series D28NEE5 | Excess width/lack of height - int cuts out when heated | HT high at 177v (150v), R814 75k in HT pot divider | 14-09-04 |
| Decca | E series D28NEE5 | Field collapse | R422 1R2 fusible o/c off pin 6 LOPTx | 14-09-04 |
| Decca | E series D28NEE5 | Field foldover with lines at top | R437 1R2 o/c | 14-09-04 |
| Decca | E series D28NEE5 | | | 14-09-04 |
| Decca | F seies D20TFG5 | St/by LED flashes 4 times constantly | R417 burnt - 1K 1/4 watt (by LOPTx) C411 o/c 0.56uF 250v | 14-09-04 |
| Decca | F Series D20TFG5 | Dead - PSU repair kit available part no 98-1313-6
| Q801 IRF1830G, Q404 BUT11AX, Q403 2SD468C, D801 DB107G, D805 130V 5W Zener, I402 opto Coupler, C412 1U63V, R814 0R39, R816 0R22, R802 10R, R812 330R | 14-09-04 |
|
|
| Pioneer | SD21AV1 | blank screen - purple at right | ripple on 12v line cured by replacing C522 100µ, C525 10µ. TDA5930 u/s | 14-09-04 |
| Pioneer | SD26 | DEAD SOMETIMES SQUEALS OR TICKS | C852 2200uF | 14-09-04 |
| Pioneer | SD26 | Dead with squealing from psu | C852 2200µ | 14-09-04 |
| Pioneer | SD28AV1 | Bright raster with flyback lines. | T1043 ( BC858B ) , T1044 ( BC871 ) , R1043 ( 1k ) | 14-09-04 |
| Pioneer | SD28AV1 | Dead - 2amp fuse blown. | FH1701 ( IN4007 ) | 14-09-04 |
| Pioneer | SD28AV1 | Dead - No HT o/p from psu when connected | IC401 fop chip TDA3654 s/c 26v supply | 14-09-04 |
| Pioneer | SD28AV1 | Dead. | TR501 , T501 ( S2000AF ) , IC521 ( uA7812 ) , IC3501 ( TDA1521 ) , FH1701 ( 1N4007 ) | 14-09-04 |
| Pioneer | SD28AV1 | Dull picture with flyback lines. | CRT faulty. | 14-09-04 |
| Pioneer | SD28AV1 | Frame cramping. | IC402 ( TDA3654 ) | 14-09-04 |
| Pioneer | SD28AV1 | No B-Y. | IC950 ( TDA4680 ) | 14-09-04 |
| Pioneer | SD28AV1 | No colour. | IC1452 ( SDA3526/2 ) | 14-09-04 |
| Pioneer | SD28AV1 | Pic displaced 3" to left | C516 470pF 1600v | 14-09-04 |
| Pioneer | SD28AV1 | Picture displaced to RHS. | C502 ( 7.5nf ) | 14-09-04 |
| Pioneer | SD28AV1 | Small raster - low 155v line. | IC723 ( L7808CX ) | 14-09-04 |
| Pioneer | SD28AV1 | St/by only - led flickers | 5v from 7805 IC722 reg varies - Micro IC1415 pin 27 s/c | 14-09-04 |
| Toshiba | SD22VB | Dead aft thunderstorm | Q501 (STP5NC50FP), R506 (470k, 1/4W), R516 (0R22 1/2w), D510 (22VZener?), D529 (SB290S) fitted a IN4007 | 14-09-04 |