RR6891N / BAIRD [TV]

• Switches to protection mode (after start-up).
• No start up. PSU does not oscillate.
• No picture. intermittently. Flashing picture.
• Coloured spots rising from bottom of blank screen.
• Flyback lines. at top (after a few hours).
• Switches off by itself. at start-up.
• Loss of memory. Crackle in sound. Flashing picture. Distorted µPC. No sound only noise. No stereo reception. Does not always start up. Wrong values which cannot be changed. Wrong colours and distorted PIP-function.
• Memory is erased. Picture appears for a second during preset change, then black screen. Sound OK.
• Teletext clock stops. Each 5cm high part of the picture is missing. (+ extract of circuit diagram)
• Commands are only carried out with a delay.
• Faulty adjustment of N/S correction.
• No picture. via tuner (intermittently). OK via SCART . (with circuit diagram extract)
• No start-up. LED blinks once shortly.
• Tuner picture.
• Remains in 16/9 mode.
• No vertical deflection.
• Line tearing is greater in the top third. (picture attached)
• E/W amplitude changes with the beam current. (part of circuit diagram displayed)
• Horizontal line. in the centre. (extract of circuit diagram attached)
• No E/W correction. (+ extract of circuit diagram)
• No HV.
• Field scan is reduced to 2 inches with 9 white lines within it, ¼ inch from top.
• Blank raster.
• Starts up three times then switches off.
• No RC functions.
• Low FM sound level and high background noise. (IMC Chassis only). (BAIRD - RR6891N information)
• Picture jitters or horizontal tearing for approx. 5 min., then fault disappears (RR6891N BAIRD repair tip)
• Sometimes switches off by itself or does not switch on.
• PIP assembly (MBTV 5002).
• Pincushion distortion.
• No picture. No audio. intermittently.
• Immediately after switch ON, vertical amplitude is too low, after approx 2-3 mins returns to normal size.
• Dead. Trips.
• No picture. Sound only briefly present.
• Horizontal size varies. intermittently.
• No picture. via tuner.
• Only a horizontal line at the bottom. (with circuit diagram extract)
• Insufficient blue resembling CRT fault. (extract of circuit diagram attached)
• Wavy verticals on teletext which increase when warm.
• Incorrect vertical deflection.
• Interference stripes in VHF range.
• Cannot be controlled by the RCU. Red and green LEDs never light up together during operation.
• Menu is in French.
• Red, green and blue vertical lines with some space in between.
• Vertical fault. (RR6891N BAIRD repair tip)
• No aerial reception. (with circuit diagram extract)
• Only three coloured lines at bottom.
• At the left picture edge, several (approx. 4) approx. 1cm wide bright bars in picture.
• Reduced vertical deflection.
• Reduced vertical size at bottom.
• Vertical lines roll over whole area of screen. (picture attached)
• Microprocessor HD 404019 A05.
• Distortion lines on left screen side, especially if SAT reception, poor if AV. (extract of circuit diagram attached)
• Occasionally white interference stripes on screen. Picture via scart ok. (extract of circuit diagram attached)
• Bright picture. Retrace lines. (RR6891N tips)
• No spot suppression.
• Wrong channel standard.
• At switch on RH speaker makes loud crackling noise.
• Teletext display does not lock on.
• No start-up.
• Switches to protection mode.
• No raster deflection, no picture, background faintly lit up. Resembles picture stain in bottom of picture. TV does not start. (part of circuit diagram displayed)
• Crackling audio.
• Use of the lithium battery.
• E/W fault.
• Vertical collapse.
• PSU not functioning.
• Reduced vertical size. Picture shifted vertically. at top.
• Field collapses intermittently with 3 inch high rolling bright flyback lines at the centre of screen. (picture attached)
• Picture has shifted upwards approx 5 cm.
• Displaced picture approximately 3 inches down screen. (extract of circuit diagram attached)
• No picture. No sound. Pulsates three times. Protective circuit switches TV off.
• Failure for a moment in PB.
• Intermittent field collapse to four inches at centre and rolling white lines.
• No picture. after warm-up.
• Screen insertions are unsynchronised, if no aerial signal is present. (part of circuit diagram displayed)
• Switches off by itself. after start-up.
• Line in the centre of the picture. (picture attached)
• Intermittently dead.
• 5cm black edge at lower picture part. Flickering stripes when operating RC.
• Trips.