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NF8411 / NEUFUNK [TV]
The EURAS repair tip database for professional technicians and service engineers
supplies the following faults for NF8411 / NEUFUNK.
List of fault symptoms:
- Fast blubber from the speakers, no operation.
- Vertical ripple on picture.
- Line output transistor fails repeatedly.
- PSU trips quickly and audibly in standby.
- No frame synchronisation on OSD and TXT.
- Black screen. Audio OK .
- Switches to standby mode after a few minutes. Green LED flashes when trying to come out of standby mode.
- Small picture in centre of screen.
- Hum in audio. Patterns in picture. at start-up.
- Shuts down. after start-up.
- Excessive horizontal size. No E/W correction. Reduced vertical size.
- Vertical collapse.
- Bleached picture on screen. No E/W.
- No start-up. Faint ticking from PSU.
- PSU chirps.
- Audio goes to minimum when V+ pressed.
- Tripping (intermittently).
- Picture content on the right hand side approx. 3cm to narrow. Picture size adjustment ok.
- 12" wide picture.
- Picture width control defective.
- Excessive brightness. Retrace lines. (NF8411 tips)
- No channels.
- Picture is black. Sound and vertical deflection OK.
- No start-up, no LED and noise from loud-speakers.
- No picture. Flyback lines. Audio OK .
- Disable child lock.
- Standby ok, LED is red. LED switches off after switch on and reappears again in red.
- Only half picture, lower half is black.
- No RC functions. LED is green.
- Intermittently standby LED goes dim during warm up, then set goes to standby.
- Colour varies.
- Enter service mode.
- Line BU and R629 burnt at start-up.
- Switches to standby after start-up with RC. LED turns green for a second.
- Comes on for a short time.
- No power.
- RCU problems.
- Mains fuse (2,5 A) is defective.
- Blank picture. White horizontal stripe at top. No OSD. Audio OK.
- No picture. at start-up.
- Picture is too high and dented.
- No reception, deflection also defective.
- Line tearing, sometimes more, sometimes less
- Reduced vertical size. Vertical foldover at top.
- Vertical fault.
- Only about a 30cm wide picture.
- Switches to standby. at start-up. Red LED blinks.
- Stuck in standby. LED is green.
- Brightness fault.
- Switches to standby. after a few seconds.
- Switches to standby. after start-up. LED is green.
- Reduced raster size.
- Horizontal collapse.
- LED flashes. after start-up.
- Line output transistor S/C repeatedly.
- E/W fault.
- LED lights for a short time, then switches off.
- Switches to standby. after start-up.
- White screen. Flyback lines.
- Appliance whistles.
- No correction to pincushion and width.
- Intermittently line output transistor blown at switch on.
- Switches off by itself. intermittently. LED blinks .
- Excessive horizontal size.
- Only brightness, with approx. 6 cm wide black stripes on the left and right side. Sound is available.
- Coloured lines. on upper half screen.
- No raster. Audio OK .
- No function. Humming. (service info for NEUFUNK -NF8411)
- Vertical line.
- No picture. Raster OK .
- Dead.
- No audio. Lines on picture. Intermittently OSD appears. Green LED flashing.
- Picture is fluttering, flashing and patterning.
- Line output stage transistor fails after approx. 3 sec. after switch on.
- At start up, EHT crackles briefly and TV switches to standby.
- Line collapse and incorrect width.
- Dead. Standby LED flashes . (NEUFUNK - NF8411 information)
- Tripping.
- Excessive HV.
- Standby LED flashes green and motorboating from the speakers when cold. Picture too small and hum from the speakers after warming up.
- Squealing noise. in standby.
- No picture, no sound. LED blinks fast.
- Video-IC (TDA6108JF) fails.
- In standby attempts to switch on via RC, red LED goes off and then back to red within 3 seconds
- Starts from standby. LED is red. LED flashes green than switches back to standby.
- No picture. via tuner. AV OK .
- No raster. No audio.
- Switches to protection mode.
- Dead, pop from loudspeaker.
- Dark picture.
- No raster.
- HV builds up rhythmically.
- Vertical jitter.
- Aquealing, appliance tries to start up, green LED flashes.
- Degaussing problems.
- Grey screen. Flyback lines.
- Field collapse with no sound and the channel LEDs do not light up.
- PSU fails.
- LED flashes red.
- Adjustment code.
- No start-up. intermittently.
- Horizontal output transistor is defective.
- Horizontal piecrusting. Line sync fault.
- Vertical lines.
- Switches to standby.
- PSU pulsates. in standby.
- Wavy picture.
- User control doesn't function.
- No picture. intermittently. (service info for NEUFUNK -NF8411)
- Dead. Power LED lit .
- Starts up with difficulty from standby. Loud noise coming from PSU.
- Contrast problems.
- Distorted picture. (NF8411 tip from NEUFUNK)
- No picture. Audio OK .
- Stuck in standby.
- PSU pumps during operation. Standby OK.
- Dark picture. Low contrast.
- No start-up. Standby LED flashes .
- Power supply burns up.
- Tries to start up. LED goes from red to green then becomes red again. Mains pulsating.
- Protective circuit beeps rhythmically.
- No E/W correction.
- Vertical bar. in the centre.
- No picture. Vertical stripe is available for a short time after switch off. Sound ok.
- CRT problems.
- Q304 (S2055AF) becomes defective immediately after start-up. (NF8411 tip from NEUFUNK)
- Flashing picture.
- Washed out picture. TXT OK .
- Video IC fails again after approx 1 hour.
- If the TV is on for more than 5 minutes and then switched to standby mode, it does not come on again.
- No RC functions.
- No start-up.
- Picture is missing, sound and raster ok.
- No picture. CRT stays dark.
- Pincushion distortion.
- No functions. Red LED blinks.
- Remains stuck in 4/3 mode.
- Reduced horizontal size. Pincushion distortion.
- Bubbling in loudspeakers. No standby LED, cannot be switched on.
With help of this list a solution is found often when NEUFUNK NF8411 fails.
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Additionally to repairtips or service information NF8411 is linked to 91 components (IC's and/or transformers) in the Tectra
database, through which you can identify electrical compatibilities (crossreferences) in
appliances.
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Chassis information is available (which chassis is built in into NF8411 ).
EURAS system also knows 227 appliances having the same chassis as NF8411 and can easily list them.
For NF8411 there are 7 compatible appliances known and can be listed.
In the repair discussion pinboard for NF8411 there are 69 replies to questions asked about 53 different repair problems. With access to EURAS you can all read them or enter your own questions and get help for NF8411 from EURAS technicians or other users.
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(C) EURAS International Ltd.
Last updated: 22. Aug 2008 03:19:59 MET, doccode ISO9002AS168EKA200805C EURASMOP
Responsible for the content: EURAS International GmbH, Eime, Germany.
All rights reserved, EURAS database V2.0 (C) 2002-2008.
All brand- or productnames are copyrighted by the respective manufacturer of the appliance and are only being used for identification purposes.
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