KN5120 / KNEISSEL [TV 51 (47/48) cm picture]

• No audio.
• Tripping.
• No tuning.
• No audio.
• No HV. Audio OK .
• No sound. Installation menu cannot be called up.
• No picture. after a few minutes.
• No channels.
• No horizontal synchronisation (intermittently). Switches to standby.
• Brief chirping noise after start up via RC, then immediately standby.
• Shuts down for a sec. Standby LED also switches down for a sec.
• No start-up from standby.
• Line output stage does not function.
• Blue disc capacitor C812 blown.
• Can be switched on via RC or PR +- on appliance only after several attempts.
• No picture. OK via SCART .
• No PSU drive.
• No functions.
• No horizontal deflection. LED is red .
• No picture. Audio OK .
• Chirping. Line tearing. at start-up.
• Loud noise. in standby.
• Stuck in BG norm.
• Stuck in standby. Red LED turns green for a sec when trying to turn on.
• No PSU or pumps.
• Total failure, PSU pumps.
• Dead. Standby LED does not light.
• Stuck in standby. Tripping.
• No display.
• Reduced horizontal size. No OSD. Poor vertical linearity.
• No tuning.
• No start-up. LED becomes green briefly, then reverts to red.
• No functions. Red LED blinks.
• Dead. LED lights dimly.
• No start-up. LED turns green at start-up then switches back to red.
• On screen change switches to standby, then back (dark-bright screen).
• No HV after diode D805.
• Shuts down. after start-up.
• Noise on sound via HF. OK via AV.
• White screen. Retrace lines. Audio OK .
• Dead. Noise from PSU ("tsif-tsif").
• No start-up. LED is red .
• PSU ticking. in standby.
• No start-up. PSU pulsates.
• No raster.
• Ticking noise.
• Switches off when brightness increases.
• Excessive vertical size.
• Stuck in standby. LED is red .
• Vertical collapse.
• Line output stage BU808DFI is defective.
• Cannot be started up, LED blinks red.
• EHT supply pumps.
• Excessive horizontal size.
• PSU pulsates. Red LED blinks.
• No start-up. LED lit. .
• No horizontal deflection.
• Line output transistor fails repeatedly. after a few minutes.
• LED is green after start up, squeaking.
• No functions. LED is red .
• Grüne LED leuchtet beim Einschalten mit FB, sonst keine Funktion.
• White horizontal line in the middle of the picture.
• Enter service mode.
• LED flashes green/red after switch on.
• Switches to standby. intermittently.
• Goes to standby automatically every 5 min.
• Horizontal lines.
• Only a horizontal line or no picture.
• Damages Q603 (BU808DFI).
• Transistor Q601 becomes too hot. (KN5120 KNEISSEL repair tip)
• DArk picture when switched to standby, but PSU and line functions further. (KNEISSEL - KN5120 information)
• No HV. Green LED flashes . (KN5120 KNEISSEL repair tip)
• Clicking noise. in standby. (KNEISSEL - KN5120 information)
• No audio. Crackling audio. via speakers. (KN5120 KNEISSEL repair tip)
• No picture. LED is green.
• No TXT. No switch-over, page number is displayed but no picture content.
• Picture is red, bright parts have a bluish tint.
• Tuning drifts.
• Dead. LED is red .
• No audio. via AV.
• Switches to standby. after start-up. (KN5120 tip from KNEISSEL)
• R809 (0R47) defective and Q801 (P3NA60) s/c.
• PSU trips if mains is on. LED flashes red. If a program key is pressed, LED lights green for a short while. (service info for KNEISSEL -KN5120)
• Shuts down after start-up. HT heard.
• Disable hotel mode.
• Clicking noise.
• Black screen. Vertical bright line. Audio OK.
• Dead. No LED lit.
• Dead. Green LED flashes .
• No picture, no audio, cannot be switched on.
• No OSD. Picture foldover. Bad linearity.
• Slow start-up.
• Blue picture. via AV. Audio OK .
• Switches to standby. after a few seconds.
• Vertical fault. Picture is only 5cm high (from the middle of the picture to the bottom).
• No picture. Green LED flickers when trying to start up.
• Does not shut down. No colour.
• Switches to standby. at start-up.
• No sound via scart and HF. Maybe crackle in the loudspeaker.
• Poor picture. Intermittent colour. Flashing picture.
• Geometry adjustment.
• No start-up.
• PS in protection mode. Red LED flashes very dimly.
• No start-up.
• Switches to protection mode.
• Bright raster. Flyback lines.
• Doesnt want to tune in on selected channel.
• Stuck in security.
• Starts up briefly. LED is alight.
• No vertical deflection.
• How to enable PAL standard for UK use.
• Control keys do not function. (service info for KNEISSEL -KN5120)
• LED flickers red, cannot be started.
• No audio. Crackling audio. via speakers.
• PSU drops out.
• No audio after replacing BU808 due to overheating.
• HT beats only in HF reception and cuts out after operating for 5 minutes.
• Vertical foldover. after warm-up.
• Line BU fails after approx.10-20 min.
• Distorted and wavy picture. No AV input. AV output ok.
• At switch on blank raster, timer counts back from 5 min and set switches off.
• No start-up. LED is green.
• Shuts down. LED is red . (service info for KNEISSEL -KN5120)
• Venetian blind effect. (KNEISSEL - KN5120 information)
• Green LED is lit at switch on via RC, otherwise no function.
• No line drive pulses.
• Line output transistor fails repeatedly.
• LED remains red with a slight flickering at start-up. If it starts up, PSU transformer whistles.
• Ripple on screen.
• No colour.
• Slightly distorted picture. Slowly runs from the top to the bottom or gets stuck. Sound is slightly distorted.
• Line output transistor Q603 (BU808) breaks down after 1hour runtime.
• Stuck in standby. Red LED flashes for a short while.
• When stopping TV via RC, diode stays green and doesn't get red. Picture and sound are OK in standby but line transformer makes a fluttering noise. When restarting via RC, picture, sound and functions are OK.
• Tube overfeeds. Flyback lines.
• Poor linearity.
• LED flashes red / green.
• Randomly destroys line output transistors.
• No start-up. Red LED blinks.
• PSU trips, pumps after switch on.
• No function. PSU works without a fault in protection mode.
• Line tearing.
• Reduced horizontal size.
• No function, LED faintly flashes green, smells burnt.
• BU808 fails after an hour.
• La LED verte est allumée lors de l'allumage avec la TC. Autrement pas de fonctions.
• No E/W correction.
• Picture slightly wider than normal. No vertical amplitude. Picture and sound intermittent drop out.
• Standby LED is red and TV trips. LED flickers when trying to start up.
• Flashing picture.
• PSU does not start up. LED flashes red/green.
• Dark picture (intermittently).
• Black screen.
• Faulty horizontal synchronization. Damaged line output transistor.
• No picture via AV. Audio and aerial ok.
• No red.
• Vertical foldover at top.
• Floating moire-effect distortion around CRT.
• No or poor picture. (KNEISSEL - KN5120 information)
• No reception on S 7u8 after replacing EPROM.
• Difficoult startup when cold, LED flashes and goes back to standby. (KN5120 tip from KNEISSEL)
• Standby LED starts to flash after switch on.
• Slow start-up. when cold.
• Gets stuck in standby. Red LED gets green for one sec. when attempting to start up.
• Dead.
• Stuck in standby. LED is green then red.
• PSU Blown.
• BU808FI burns after a few minutes.
• No HV.
• Picture height only approx. 15cm and compressed at the bottom.
• Dead. Standby LED flashes .
• 2cm wide bar at top and middle of the screen. (KN5120 KNEISSEL repair tip)
• Q603 (BU808DFI) overheats.
• After switch-on, LED changes from red to green constantly.
• No start-up. Red LED lit and blinks when button CH (+) or RC is pressed. No green LED.
• Standby is lit, cannot be switched on. Smells burnt.
• Ticking noise. in standby.
• No picture. Noise in picture. No tuning.
• Variation of PSU voltages. (KNEISSEL - KN5120 information)
• PSU fails.
• EHT sparking.
• No colour.
• Keine Funktion, Standby OK. Nach Einschalten LED kurz grün, dann wieder rot.
• Only red LED lights. LED flashes red, when PROG+ is pressed.
• No functions. at start-up. LED blinks .
• No picture. via SCART. Audio OK .
• Q603 (BU808DFI) is defective. (KNEISSEL - KN5120 information)
• PSU pulsates. LED is green. Tripping. after start-up.
• Line output transistor fails repeatedly. after a while.
• Picture shifted vertically.
• No sound, no picture. Appliance is pumping regularly and green LED flashes briefly.
• Mains kit content.
• Horizontal lines have notches (mouse teeth).
• PSU ticking. Red LED blinks.
• E/W fault.
• No picture.
• Changes the channel after approx. 10 min. on the program site. Switches off when calling up the menu, returns with OSD shifted to the left.
• Low audio.
• Excessive brightness.
• No audio.
• Noise in standby.
• Tripping. LED blinks .
• Reduced vertical size.
• PSU pulsates. LED is dark.
• Trips.
• No function, standby OK. LED lights green for a short time, then becomes red again.
• No start-up. LED blinks .
• PSU pulsates.
• No channels.
• No audio. OK via SCART .
• Intermittent colour.
• Horizontal line and approx 5 cm picture content.
• No front panel function.
• Tripping. Red LED blinks.
• PSU pulsates. at start-up. (KN5120 tips)
• No function. LED lights up red, PSU starts with RC, LED green. (KNEISSEL - KN5120 information)