215101EK / SBR [TV]

• At switch-on ticking in audio. Standby LED is on. (215101EK SBR repair tip)
• Dead. Front LED is dark.
• Horizontal BUT is defective. (picture attached)
• Intermittently goes brighter with flyback lines.
• Distorted (frizzy) vertical lines.
• No raster or sound. F1 in display.
• Immediately after starting tuning search, the number of programme is displayed and tuning search stops.
• When brightness control is adjusted the width alters. (extract of circuit diagram attached)
• Excessive horizontal size.
• No audio (intermittently). (with circuit diagram extract)
• BUT11AF line output transistor blows every few days, if preceded by line tearing.
• After approximately 5 minutes the sound fades. (with circuit diagram extract)
• No picture, no sound, intermittently hum from speakers.
• Appliance does not switch on. 2A fuse blows continuously.
• Low cvbs output.
• No video signal and no sound.
• Stuck in standby. (extract of circuit diagram attached)
• Horizontal line.
• No results with a pulsing power supply. (extract of circuit diagram attached)
• No vertical deflection. Audio OK .
• Dead. Went off with a flash.
• Safety test after repair.
• Poor audio. (with circuit diagram extract)
• No start-up. intermittently. (part of circuit diagram displayed)
• Channel drift, volume increases. F1 on display. (+ extract of circuit diagram)
• 95 volts varying with contrast level. (extract of circuit diagram attached)
• Horizontal deflection is defective, only a line in the picture. (picture attached)
• Horizontal streaks.
• Contrast is low after flashover. (+ extract of circuit diagram)
• Display flickers. (extract of circuit diagram attached)
• The lines in TXT are missing. (with circuit diagram extract)
• No line drive. (with circuit diagram extract)
• Failure of line output transistor. (with circuit diagram extract)
• Horizontal stripes on the top of the picture, then in the whole picture, depending on signal amplitude [Failure appears only in HF mode).
• No start-up.
• No TXT, skip is empty continuously. (part of circuit diagram displayed)
• Motorboating in the power supply. (picture attached)
• No synchronisation. (service info for SBR -215101EK)
• Intermittent tuning drift. Sometimes takes a few seconds to lock-in after the appliance is first switched on.
• The display shows F3.
• Audible hum in standby.
• Dead. (extract of circuit diagram attached)
• Squealing from PSU (when cold). (picture attached) (215101EK tips)
• During bright scenes picture pulls in. (with circuit diagram extract)
• No picture. (part of circuit diagram displayed)
• uP + screening.
• No tuning. only on certain channels.
• Over-voltage circuit active. (extract of circuit diagram attached)
• The TV does not switch on; the display remains blocked on E-; the analogue functions are regular like the tuning and the memorization.
• BUT11 is s/c. (picture attached)
• High buzzing sound in standby. (part of circuit diagram displayed)
• No channels. No RC functions. OSD OK .
• Vertical line (V-lock).
• Switches to protection mode (after warm-up). (SBR - 215101EK information)
• E/W fault.
• Tuning unstable. (with circuit diagram extract)
• Jitter and stripes at top.
• Does not memorize the stations. Remote control does not function. (+ extract of circuit diagram) (215101EK tips)
• LED stays on after switching off with the mains out of standby. (extract of circuit diagram attached)
• Channel display showing 3 then F1. (picture attached)
• Flickering picture. (+ extract of circuit diagram)
• Dead. intermittently. (extract of circuit diagram attached) (SBR - 215101EK information)
• On right border of screen TXT horizontally unstable and dark areas. (with circuit diagram extract)
• Raster reduced by 2cm and covered with black lines.
• Horizontal white lines moving from bottom to top of picture. Lines become more apparent when warm.
• Character error.
• Poor picture. only on certain channels.
• Picture tearing. Tuner drifts. (with circuit diagram extract) (SBR - 215101EK information)
• Very bright line across screen. (with circuit diagram extract)
• Reduced vertical and horizontal size. (picture attached)
• No vertical scansion (dark screen with horizontal line through the centre). (with circuit diagram extract) (215101EK tip from SBR)
• Humming noise in operation when appliance was switched off at mains switch from standby and then switched on again from standby.
• Slow start-up.
• Chopper BUT11AF S/C. Fuse blown.
• Low buzz on sound.
• Lines in picture. (+ extract of circuit diagram)
• Loud buzz in the standby mode. (picture attached)
• No raster.
• No front panel function. (extract of circuit diagram attached)
• No picture and sound. OK after warming up.
• Starts slower than usually and only after switching on repeatedly.
• Difficult to switch on.
• Lines plus fluttering mainly at top of picture.
• Picture pulls in on bright scenes. (with circuit diagram extract)
• Poor RC sensitivity.
• Does not change channels. (part of circuit diagram displayed)
• Teletext is not selected, however it comes through the signal; Black picture when TXT is switched on. (part of circuit diagram displayed)
• Switches to TXT model intermittently (model 21CE1550) (part of circuit diagram displayed)
• Blows fuse. (with circuit diagram extract)
• The display shows F1. (+ extract of circuit diagram)
• During switch-off there is a bang and the sound crackles. The standby light remains lit up. (service info for SBR -215101EK)
• Severe vibration. (extract of circuit diagram attached)
• Unstable picture. after a while.
• Tripping (intermittently). Patterns in picture. (extract of circuit diagram attached) (215101EK SBR repair tip)
• Low audio. (service info for SBR -215101EK)
• 95V voltage varies in accordance of contrast and luminosity adjustment.
• Multiple defects of the BUT11AF.
• Horizontal herringbone and lines on various channels, especially playstation and sometimes just one channel.
• Reduced vertical size. (picture attached)
• Shuts off on play, all operation functions are blocked, loss of memory. (extract of circuit diagram attached)
• Teletext problem with Photo-CD.
• Picture ringing plus herringbone pattern and no teletext.
• Vertical jitter (intermittently).
• Chirping. in standby. (with circuit diagram extract)
• U743 tuner replacement.
• Microprocessor screening plate.
• TXT lines in picture.
• 50Hz hum in audio.
• Vertical roll.
• Testing the power supply.
• Poor PSU start-up. Beeps. After few restarts, or when wams up, PSU starts up OK.
• Flickering picture. on sides (after warm-up).
• Intermittent white raster.
• Width flutters in and out. (+ extract of circuit diagram)
• No start up. Display lights up.
• Dark raster. (picture attached)
• Distorted audio (after a few minutes). (+ extract of circuit diagram)
• If the set is switched off when warm it won't come on again until it has cooled down. By using the remote control unit it switches off but not to standby, only a slight whistle being heard. (extract of circuit diagram attached)
• Blocked in AV. Display shows "E".
• Service note. (215101EK tip from SBR)
• No picture. No sound. Just whistling sound.
• No picture. Audio OK . (+ extract of circuit diagram)
• No line oscillator function. (part of circuit diagram displayed)
• Only finds 2 channels when tuning, without colour.
• Intermittently dead. Chopper transformer whistles. OK when switched OFF/ON. (picture attached)
• Black screen.
• Optimal values are not stored any more. After switching on only picture without colour, no sound. With the remote control the saturation and volumes can be adjusted.
• Strange characters on TXT. Numerical characters turn into letter.
• Defective horizontal linearity in the centre of the screen. (picture attached)
• Header line missing.
• No signals or display. (picture attached) (215101EK tip from SBR)
• Failure of BUT11AF (7619). (picture attached)
• Line output transistor (BU11AF) fails after a few seconds.
• No start-up from standby with RC.
• Picture pulling/tearing. Ragged edge. Picture bounces. OK when appliance warmed up.
• Skips channels during tuning.
• Function knobs on CTV fail. (+ extract of circuit diagram)
• Reduced horizontal deflection.
• Field scan reduced to half an inch in the centre of the screen. (with circuit diagram extract)
• No colour.
• Low contrast. (+ extract of circuit diagram)
• Rolling hum lines after a while. Intermittent shutdown.
• White picture with flyback lines, every few hours picture returns to normal.
• White screen. No picture (intermittently).
• Appliance can only be switched on once every 10 times. Otherwise loud pulsating can be heard in the speaker. If it runs then picture and sound are perfect.
• Program settings are partly lost. Does not respond to RC after half an hour.
• The appliance does not start up or after operating for sometime the power supply squeaks. (part of circuit diagram displayed) (215101EK tips)
• The picture is too small and contrast cannot be controlled.
• Serrated picture at start-up. Fault disappears after warming up.
• No sound. Picture OK.
• 1 then F1 in the display.
• The picture is wobbly.
• TXT header corrupted. (+ extract of circuit diagram)
• Intercarrier hum.
• No start-up. after warm-up. (+ extract of circuit diagram)
• No audio. No picture. Fault occurs intermittently. . (extract of circuit diagram attached)
• Buzz on quiet sound passages. (part of circuit diagram displayed)
• No audio. Picture OK . (picture attached)
• Slow start-up. when cold. (+ extract of circuit diagram)
• No RC functions (intermittently).
• If set switches off when hot then switched on again it sometimes stays in the standby mode. (part of circuit diagram displayed)
• Dark picture. (with circuit diagram extract) (SBR - 215101EK information)
• Impurity and lines at switch on. (215101EK tips)
• Picture is vertically unstable and cramps.
• Different types of picture tubes CP90.
• Switches on. F1 on display after a few secs. (with circuit diagram extract)
• TXT clock changes time every 5 or 10 secs. Partial or complete loss of pages.
• No TXT. (picture attached)
• Striations, interference, lines torn.
• Intermittent lines on screen. Fuzzy picture.
• Corrupted display. (part of circuit diagram displayed)
• Starts. Sound is weak (buzz). BW picture only on two channels.
• Channel selector not working, LED not lit. No tuning.
• Very low 1/2" field scan. (extract of circuit diagram attached)
• Bouncing picture. (215101EK SBR repair tip)
• Cannot switch to A/V.
• The stations go off, the sound goes loud and F1 shows in the display. (+ extract of circuit diagram)
• Reduced vertical deflection.
• Problems with FLOF TXT (Fastext). Does not find page 811. TXT header remains on subtitles.
• Disable hotel mode. (215101EK tip from SBR)
• Bright horizontal bars on picture. More evident when cold.
• Line pulling and field jitter.
• Reduced horizontal size. (with circuit diagram extract)
• No standby LED. Just noise from speaker at switch-on via mains.
• No colour.
• No picture. No display. (with circuit diagram extract)
• No RC functions. (+ extract of circuit diagram)
• Line output transistor T7619 repeatedly fails. (SBR - 215101EK information)
• Dot pattern. (extract of circuit diagram attached)
• Thin lines on picture, with video edge tearing. No vertical sync.
• Works OK for about 1 hr then no more commands accepted.
• Line ringing on picture.
• Protection mode activated.
• When switching off with the mains switch the customer gets an ESD/shock.
• Dot pattern visible in grey areas of picture. (+ extract of circuit diagram)
• Horizontal size varies.
• 2A fuse blown.
• Reduced vertical size. at bottom.
• Black picture. Thick spot at switch off. Sound OK.
• No A1.
• Main microprocessor IC7720 (TMP74C434N) is defective.
• The teletext decoder does not function. (part of circuit diagram displayed) (service info for SBR -215101EK)
• Station cannot be adjusted.
• Patterns in picture. via RF output. (extract of circuit diagram attached)
• Buzzing from PSU. (part of circuit diagram displayed)
• Top of the raster is folded over. (with circuit diagram extract)
• No front LED display. (part of circuit diagram displayed)
• Width control varies when brightness adjusted. (+ extract of circuit diagram)
• No tuning. (extract of circuit diagram attached)
• The power supply unit clicks, BUT12A blows continuously.
• Focus problems. (part of circuit diagram displayed)
• Herringbone pattern on picture from cold. (+ extract of circuit diagram)
• Line folding in middle, when cold. OK after 2 mins. Possibly destroys line output transistor every few days. (with circuit diagram extract)
• Waves in picture and white spots. (215101EK SBR repair tip)
• Intermittent E/W pincushion. Only snow. No response to RC and operating unit. (part of circuit diagram displayed)
• Vertical shaking.
• Vertical collapse. (with circuit diagram extract)
• Switches to standby. after a few seconds. (picture attached)
• The picture image is too small or shows lines. (picture attached)
• Cogging or ragged verticals. (extract of circuit diagram attached)
• Pulsing when standby is pressed.
• Brightness varies. via AV. (part of circuit diagram displayed)
• No vertical deflection. (extract of circuit diagram attached)
• The line transistor BU11AF always breaks down after a few seconds. (extract of circuit diagram attached)
• Failure of BUT11A. (with circuit diagram extract)
• When switching channels quickly, memory switches from 11 to 01. (with circuit diagram extract) (215101EK tips)
• Serrated picture at start-up. (215101EK SBR repair tip)
• No number or standby display. (215101EK tips)
• Crackling audio (intermittently). (+ extract of circuit diagram)
• No picture and just traces of sound. (picture attached)
• Brightness varies.
• Power supply does not start up. Occasional beeps or whistles.
• Picture tube panel adjustments.
• No horizontal deflection.
• White screen. Audio OK .
• The appliance has a burning smell before switching off.
• Wide, bright, horizontal stripe. (SBR - 215101EK information)
• No picture content and no sound. Buzzing if volume increased.
• No start-up (when cold). (extract of circuit diagram attached)
• Memory battery drains over several days.
• Switches off by itself. (+ extract of circuit diagram)
• Excessive brightness. Audio OK .
• Interferences in picture. Picture OK when warming up.
• In TXT the picture is black and sometimes coloured lines. TV picture is ok.
• Memory loss. (with circuit diagram extract)
• TXT in picture after approx 30 mins.
• Poor line linearity at centre of screen. (with circuit diagram extract)
• Corruption of TXT header line. (with circuit diagram extract)
• Picture appears slowly. (extract of circuit diagram attached)
• Picture bending at the top on pre-recorded tapes.
• Flashing lines on picture when cold. (215101EK tips)
• No vertical deflection (intermittently).
• Hum in audio. (215101EK SBR repair tip)
• Excessive vertical size. Squealing from PSU.
• Picture size varies with picture content.
• No TXT header line. (picture attached)
• Replacing control IC7840.
• Alternative 21" picture tubes.
• Bright white picture. No sound. Channel search system keeps searching and does not stop. (+ extract of circuit diagram)
• Intermittent E/W distortion. Only snow. No response to RC and operating unit.
• No front panel and RC functions. No program number.
• After a while small black dots appear which then turn into rectangles and picture finally goes dark.
• BUT11AF chopper S/C.
• Only half inch field scan in centre of screen. (extract of circuit diagram attached)
• Intermittent failure of T7677 BUT11AF.
• Tripping. (extract of circuit diagram attached)
• Intermittently dead. (extract of circuit diagram attached)
• Partial frame collapse, very bright screen. (extract of circuit diagram attached)
• Blank raster.
• Switches to protection mode (intermittently).
• TV cannot be put in standby using the remote. (extract of circuit diagram attached)
• New type stands.
• Channel search does not stop. A few channels can be programmed, other channels block in memory and the channel search begins to run automatically. An identification signal is given up to the processor.
• Picture patterns on RF; OK on scart input. (215101EK SBR repair tip)
• Jamming in RF and SCART modes.
• Starts up but no control after 30 mins and changes channels by itself.
• No display. No functions. Snow in picture. (picture attached)
• No picture, small vertical line, sound OK.
• No video picture or sound. Search functions correctly.
• Vertical line (hold).
• The display shows FO.
• Picture appears slowly. Audio OK .
• Low garbled sound.
• No horizontal synchronisation (when cold).
• Picture becomes black spontaneously. Reacts to RCU, but no changes. TXT does not function, TXT letters appear in picture. (service info for SBR -215101EK)
• Low HT with noise from power supply.
• Appliance is dead; number 3 shows then changes to F1. (with circuit diagram extract)
• Searches for channels continuously.
• The picture has been shifted and the width control does not work. (part of circuit diagram displayed)
• Poor picture. Line and frame pulling.
• Loss of horizontal and vertical sync. After 30 minutes the picture OK without sound.
• No colour (intermittently).
• BUT12A S/C.
• Dark screen.
• The display shows F2. (with circuit diagram extract)
• Unstable tuning.
• White screen. Flyback lines.