14F891 / TASHIKO [TV 36/37 (34-36) cm picture]

• Brightness varies.
• Screen does not light up. When switching off and on again, momentary black and white picture.
• No sync with muted sound.
• Tuning drifts.
• Raster is too bright with flyback lines.
• Line collapse and smoke.
• Vertical collapse.
• No sync, no sound.
• Shuts down (intermittently).
• Dead with PSU ticking.
• No sound or vision, no output from 12V regulator.
• No line sync when warm.
• Weak and snowy picture.
• Poor audio.
• Intermittent loss of signals.
• No picture.
• Unable to tune stations. (14F891 tips)
• Intermittently width varies.
• Black and white lines across picture.
• Crackling audio when adjusting voltage controlled oscillator.
• Tripping.
• Chopper failure.
• No line drive.
• Goes dead after a few mins.
• Intermittent audio and picture.
• There were teletext lines over the top half of the screen.
• Intermittently dead.
• When sound is adjusted the colour adjusts as well.
• No signal. (TASHIKO - 14F891 information)
• Slight ghosting.
• Mains hum. Hum on sound. Distorted picture. (service info for TASHIKO -14F891)
• Noise from loudspeaker during standby.
• Vertical roll.
• Random fuse blowing.
• No sync, no sound.
• Picture rolls when hot.
• Tuning drifts.
• Protection is triggered.
• Fuse blows occasionally.
• TXT lines over the top half of the screen (slow field flyback).
• Mains hum, sound buzzes and picture distorted.
• Cone shaped raster.
• Picture has black and white lines across, signals are missing.
• Deflection collapses.
• Poor field sync when warm. (TASHIKO - 14F891 information)
• No colour (intermittently).
• Mains hum. Distorted picture and hum on sound.
• Bright raster.
• Vertical collapse (intermittently).
• TXT lines across top of picture.
• Line output stage ticks. (service info for TASHIKO -14F891)
• Stuck in standby. RC OK.
• Vertical foldover at top.
• 117V line goes high, e.g. 150V.
• No station tuning.
• Field roll (which may or maybe not intermittent) and loss of colour when the sound level is increased.
• Blows BU508 line o/p, TDA3651 and R411.
• Appliance trips quickly then goes dead.
• Dark band 2 or 3cm high through centre of screen.
• Goes dead when warm.
• When sound is muted synchronisation is lost.
• Field roll and loss of colour when volume increased.
• Brightness and colour varies.
• Picture faults when linked through VCR.
• Weak picture. Low contrast. (14F891 tips)
• Line output transistor S/C.
• Ticking noise from line output stage.
• Striations down the left hand side of the screen.
• Intermittent failure of 1 of the 3 primary colours.
• Grey scale variations.
• Ghosting effect. Aerial OK.
• Dead. (14F891 tip from TASHIKO)
• Blank screen with flyback lines. Sound ok.
• Top foldover.
• White raster. No sound.
• Bright white screen, video is missing.
• Bottom linearity is defective when cold. It corrects itself when it warms up.
• Picture is weak, contrast low.
• Dead. In standby. On/off switch inoperative. Comes on using RC.
• The fuse just blows.
• No colour and bright picture when appliance is started from cold.
• Picture is normal after slight drift.
• Stuck in standby.
• Excessive vertical size.
• Colour varies with sound level.
• Trips.
• Tuning drift, high channels especially.
• Sound and picture disappears intermittently. (14F891 tip from TASHIKO)
• Field synchronisation is missing.
• Appliance remains in standby, comes on when using RCU but not with on/off switch.
• Intermittent failure of Q801/R4051.
• Loss of signals.
• Field roll when hot.
• Grey scale variations.
• No audio.
• Picture foldover. (TASHIKO - 14F891 information)
• Field collapse, blank picture.
• Set will not start, the power supply is ok, but there is no line drive.
• Inadequate width.