TX98 Repair Tips




Search: TX98
Results 35
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Ferguson TX98 TX98
Intermittent tripping and switching to channel 1Replace IC11 TDA8138 5/12 volt regulator ic
Ferguson TX98
Intermittent line foldover when warmDry joints on L26 and L27.
Ferguson TX98
Dead - mains fuse shatteredC88 100ยต o/c (base drive)
FergusonTX98 J51P8
Field collapseC16 1nF o/c to pin 4 TDA4505
FergusonTX98
Video - poor playback on anti-copy tapes.Change R23 to 1.5k , C22 to 1u f 63v , C26 22nf 63v see FB
FergusonTX98
Too much EHT.Check 115v with a lamp , if ok change D26 ( BY448 ) , T2 ( LOPT ) , TR7 ( BC372 )
FergusonTX98
Sync - lock-out at high signal levels.Signal diode type 425 D38 parallel with R47.
FergusonTX98
Remote - Spurious operation of remote funcs.Ferguson Mod see Feedback 51 1991
FergusonTX98
Poor reproduction on some pre-recorded tapes.Change R23 to 1.5k , C26 to 22nf 63V , C22 to 1u f 63V.
FergusonTX98
Poor reproduction on some pre-recorded tapes.Check AGC voltage on pin 2 of tuner bt 2v & 3.5v.
FergusonTX98
partial field collapse50v supply to fop chip low - D16 RGP30D high res
FergusonTX98
Noise bars on screen.IC2 ( TDA4505E )
FergusonTX98
No text or OSD ( text can be seen VERY faintly overlaid on Tv picture )Try putting 560R in parallel with R209.
FergusonTX98
No syncText data slicer IC16
FergusonTX98
No sounddis pin 13 CF70064 main micro (mute out) to restore
FergusonTX98
No picture/heaters - sound & display Ok.R222 6.8R o/c ( on CRT base ) , LOPTX Part No.00X6714001
FergusonTX98
No line driveTDA4505E
FergusonTX98
No colourChange R53 to 47R & C56 to 10nf.
FergusonTX98
No col & lack of heightIC11 TDA8138
FergusonTX98
Mod if changing tube to Philips A51EAM31X01Mod see Feedback 51 1991.