Thomson Repair Tips
Search: thomson
Results: 227
Results: 227
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| THOMSON |
28WS23E ICC17
|
At switch on set starts-up with lots of sparks inside crt socket, then switches to standby | Replace fbt - hr 8317. there is a repair kit available from thompson for this , which includes a new loptx, tuning caps and a couple of coils. there are also some surface mount resistor value changes. it's pt. no: 35175720 | ||
| THOMSON |
24WK25US ICC17
|
No/low contrast after eht flashover | Check/replace tl02 and tl59 in the beam limiter circuit | ||
| THOMSON |
TX807
|
Plain raster, retrace lines, no sound | Problem in vif board, resistor 68Ω to +b supply line 12v | ||
| THOMSON |
28VK-44E
|
No start-up when cold, warm ok | Changes cp198 47uf, 16v. secondary power supply | ||
| THOMSON |
RP46
|
East-west and north-south bowing. really bad convergence | The extra power supply is not working. check r18 on primary side. it should read 220kΩ | ||
| THOMSON |
ICC17
|
Picture lacking in contrast and brightness | The symptoms suggested a beam limiter fault, replacing transistor tl02 bf422 which was found to be leaky produced excellent pictures | ||
| THOMSON FERGUSON |
14CB25UT C3615UT
|
No pic - sound ok but reverts to st/by aft 5-10secs | Dl07-by228 in e/w stage | ||
| THOMSON |
W7023U ICC17
|
Dead with front led blinking 2 then 7 times | In prot mode - brown gunge around loptx. fit replacement (comes a s a kit) pt no 35123670 | ||
| THOMSON |
W7023U
|
Trips with brief line coll after loptx replaced | Fop chip & zl11 cp o/c - looks like a brown cap | ||
| THOMSON |
TX92F
|
Led flashing at sw on (prot mode) | Disable pin 4 of ip 70 ic tda8139 to over-ride prot cct - shows field coll; ic stv2145 (if02) was faulty, but still no functs - replaced eeprom - now bad col with green flashes - jungle chip faulty | ||
| THOMSON |
TX92 28DT73H
|
Reverts to st/by aft few mins | Dry joints pins 1 & 2 loptx | ||
| THOMSON |
TX91
|
No sound aft dropped | Ra08 22k sm res dislodged; | ||
| THOMSON |
TX90 CHASSIS
|
Int. white raster with flyback lines visible, or switches off. seems as if there is a cold solder joint. | Replace tda8218 chip. it has occured many times with these st made chips. | ||
| THOMSON |
TX807CS 25DG17U
|
Sound missing except from scart | Multi-sound processor is100 (msp3415d-po) | ||
| THOMSON |
TX807C 14MK15U1
|
No comp video via scart - ok off air pic | Break between rv023 & rv022 (invisible) | ||
| THOMSON |
TX807C 14MG15U
|
Dull pic/low contrast - does vary slightly when adj | Rl002 100k ¼w o/c in beam lim (in lop stage) | ||
| THOMSON |
TX807C 10MK16UF
|
Loud buzz on av i/p | Iv001 tda9554ps/n1 u/s. fit micro kit part no.35190040 | ||
| THOMSON |
TX807 25DG21U
|
Dead - st/by only | Dry joint cl21 0µ14 1.6kv, loptr buh516 leaky - use buh517th or equiv | ||
| THOMSON |
TX807 20MG10C
|
Sound conversion to 6mhz | Replace 2 filters q132 video & q134 sound for 6 mhz ones | ||
| THOMSON |
TX807
|
Service mode access | |switch set on, put into stby. wait for stby led to go out. whilst holding down text button on r/c switch set back on continue to hold test button till menu appears. press text button again to access the different settings. |