279123 / SBR [TV]

• Green, bright flyback line. (extract of circuit diagram attached)
• Supply voltages collapse under load.
• Snow in picture when chassis is tapped.
• When in standby switch off TV using RC, appliance continues to hiccup.
• No brightness. No contrast. (+ extract of circuit diagram)
• Low supply, +65V instead of +140V. (with circuit diagram extract)
• No RC functions. Other functions OK . (with circuit diagram extract)
• Picture disturbed by a wave visible along the human contours. (picture attached)
• No start-up (intermittently). (+ extract of circuit diagram)
• Canal Plus in black and white. Colour ok on other channels. Brightness ok. Colour problems after a certain amount of time. (with circuit diagram extract) (service info for SBR -279123)
• Picture and sound appears only after a long time. Raster OK.
• No HV. (part of circuit diagram displayed)
• 7619 heats up. (picture attached)
• No channel display or standby LED. (part of circuit diagram displayed)
• No colour. (+ extract of circuit diagram)
• New type stands.
• No picture (intermittent/intermittently). Picture disappears and screen is white after appliance switches off for a moment.
• Poor sound when volume increased. At switch on numerical display lights up and channel change OK. 30 mins later everything returns to normal. (with circuit diagram extract)
• At switch on channel no. displayed then goes into -E-. Impossible to change channels, OK in video.
• No vertical deflection. Line in the middle of frame which does not reach edges.
• S shape picture.
• No tuning. only on certain channels.
• Dead. F1 on display. (extract of circuit diagram attached)
• Intermittently no start up with ON/OFF switch. No standby light or channel display. (extract of circuit diagram attached)
• Intermittent HT shutdown. (+ extract of circuit diagram)
• Picture crackling, mostly when cold.
• Pulling at bottom of picture in PAUSE when a video with Foxtrot chassis is connected. (+ extract of circuit diagram) (279123 tips)
• No display. after a few seconds. No front panel function. No RC functions. (with circuit diagram extract)
• Switches to standby (intermittently).
• At start up, CTV is black and white and no sound. Same thing when you press PP button on the remote control.
• Disable hotel mode.
• No raster. Audio OK . (part of circuit diagram displayed)
• EHT flashovers. (part of circuit diagram displayed)
• Intermittently line transistor shorts. (picture attached)
• Vertical outline drift.
• Plopping sound, no picture and sound trips. After a while fault disappears.
• Noise in audio. intermittently. (service info for SBR -279123)
• Picture is too narrow. Vertical wavy lines. (extract of circuit diagram attached)
• No colours in SECAM. (with circuit diagram extract)
• Blue picture. Flyback lines. (extract of circuit diagram attached)
• Picture takes time to appear at Power On and sound is very loud. No function keys. Erratic functions. No display. (279123 tip from SBR)
• Vertical collapse. (with circuit diagram extract)
• BU508A defective. (+ extract of circuit diagram)
• Dark picture. Brightness, contrast and G2 at max. (extract of circuit diagram attached)
• Switches off preceded by varying HT supply. (with circuit diagram extract)
• No start-up or no picture. Faltering sound.
• Memory loss only on channel numbers 1, 2, 3. All other functions are correct. (with circuit diagram extract)
• Short picture breaks (white picture).
• Fuse 1652 blown at start up. (picture attached)
• No channels. intermittently.
• Picture jitters. intermittently.
• Streaked picture at start-up.
• Interference in picture when aerial is touched or when appliance is touched. (+ extract of circuit diagram)
• Difficult to switch on. Does not stay in standby. (extract of circuit diagram attached)
• Occasionally there are breaks in the luminance. (part of circuit diagram displayed)
• Black vertical lines in picture. (+ extract of circuit diagram)
• Attempts to start but trips, pulsating rapidly in short intervals.
• Value of resistor R3628 and type of transistor 7930.
• No blue. Poor colour. (part of circuit diagram displayed)
• The microprocessor is blocked.
• Blue picture (after warm-up).
• Appliance and LED switch off from standby. When warm, display darkens and channels go out of tune. (+ extract of circuit diagram)
• LED goes off after 10 mins in standby. TV will not start up again but does so when cold. (part of circuit diagram displayed)
• Over mains panel. (picture attached)
• Randomly switches off and video mute.
• White vertical line in middle of screen. (extract of circuit diagram attached)
• No sound. No picture. Displays "88". 2 LEDs light up.
• Picture can't be centered, left part of picture shifts back. (+ extract of circuit diagram)
• Erratic chroma with VCR particularly on special effects. (extract of circuit diagram attached)
• Snowy screen. No RC or front controls. Standby LED and display switched off. Sound and picture ok when restarting TV. (picture attached)
• Goes dead after changing all mod parts. (+ extract of circuit diagram)
• TDA3566/N6 (IC7260). (+ extract of circuit diagram)
• 09 on display. Rattling noise from speaker. (with circuit diagram extract)
• Erratic start-up.
• Wavy picture. (picture attached)
• Intermittently dead. (+ extract of circuit diagram)
• Volume varies. (extract of circuit diagram attached)
• Fuse shatters. BUT11 is S/C. (extract of circuit diagram attached)
• Shuts down. after a while. (279123 tip from SBR)
• Low brightness. Low contrast. when cold. (with circuit diagram extract)
• BUT11A and bridge diodes 6657 to 6660 blow after 15 days when selecting a function from standby.
• Sound and picture pulsate, appliance cuts out for a minute then works normally. Breakdown especially when cold. Pulsing every two seconds.
• Connection of a loop system to TV. (SBR - 279123 information)
• Vertical lines show bleeding effect, especially after switch on. (part of circuit diagram displayed)
• Vertical lines are jittering, reacting on mains voltage. (SBR - 279123 information)
• Slow to start up 20-30 mins, squealing from line stage. (with circuit diagram extract)
• Signals to BUT11 in PSU and the four 300V diodes are occasionally defective.
• Three small lines at centre of tube. At switch off discontinuous faint vertical bar, burnt screen. (part of circuit diagram displayed)
• Switches to protection mode (after a few seconds). (extract of circuit diagram attached)
• Curling on the line.
• Extremely strong howl in sound. "E1" appears on display.
• No channel storing. intermittently. (extract of circuit diagram attached)
• PSU output voltages very low. (279123 tips)
• Front buttons not changing channels or occasionally volume will not change.
• Replacing control IC7840. (+ extract of circuit diagram)
• Picture appears slowly. (+ extract of circuit diagram)
• Burn on board line time base C2611. (picture attached)
• 140V is 50V.
• No picture. Thin horizontal bars on the whole of the screen. the pot is adjusted slightly the picture appears but green pulses occur every second. (+ extract of circuit diagram)
• No picture, "E1", after changing fuse 1653 works a couple of hours. (extract of circuit diagram attached)
• Intermittent arcing noise with loss of adjustments or goes into PAL or cuts out without the standby light. (with circuit diagram extract)
• No picture. (with circuit diagram extract)
• Various types of picture tubes CP90.
• Lines at top of picture and picture image is bent. (part of circuit diagram displayed)
• Microcomputers and screening plate. (279123 SBR repair tip)
• PSU pulsates when cold for 1min then picture and sound return.
• In EXT position a black vertical line appears on left side of picture. (part of circuit diagram displayed)
• Green circle on screen with red border, purplish colour.
• PSU collapses especially at start up. (with circuit diagram extract)
• Sawtooth around characters for 15 minutes then picture becomes normal. (extract of circuit diagram attached)
• No functions. Display flashes .
• Brightness varies. (+ extract of circuit diagram)
• Vertical lines move slowly to and fro, especially when cold. (part of circuit diagram displayed)
• Arcing between pin 7 of line transistor and ground.
• No start-up. Standby LED does not light. (picture attached)
• Tripping. intermittently. (extract of circuit diagram attached)
• Hiss in audio.
• The picture is too small (height/width) and East/West does not work correctly. (+ extract of circuit diagram)
• Switches off intermittently. Switches to PAL at Power On.
• E/W fault. (picture attached)
• At switch on screen is blurred and slightly green for a few seconds.
• Appliance remains in black and white on VCRs from Far East. (picture attached) (279123 SBR repair tip)
• No picture or faint picture as A1 advanced.
• No start up. No display or PSU clicks and display pumps. Hit by lightning. (picture attached)
• Whistling. after warm-up.
• Line output transistor fails repeatedly. (picture attached)
• BUT11 burnt. (extract of circuit diagram attached)
• No or intermittent picture. Knock sensitive. (picture attached)
• Sawtooth picture especially when cold. (with circuit diagram extract)
• BUT12 becomes hot and fails when switching to standby. (picture attached)
• Screen split into 4 areas: 1. Black bar; 2. Compressed picture with horizontal white lines; 3. Good picture; 4. Black bar. (with circuit diagram extract)
• Back-up battery symptoms after replacing memory. (with circuit diagram extract)
• Picture appears faintly in black and white. The bottom of the screen is white. (extract of circuit diagram attached)
• Does not switch to standby. (picture attached)
• No sound. Dark screen. Jerky noise in speaker when pressing volume. (SBR - 279123 information)
• No picture, contrast up volts on TDA3562 stuck at 1.5V approx. (+ extract of circuit diagram)
• In standby, LED goes off after 10mins and no longer possible to switch on TV. If standby is not used TV functions perfectly. (picture attached)
• Picture flickers (darkens 3 times per second approx). (279123 SBR repair tip)
• Appliance switches off intermittently with flashes. Sometimes channels switch over to PAL.
• Dead. after a few minutes. (+ extract of circuit diagram)
• Excessive horizontal size. E/W fault. (279123 SBR repair tip)
• Intermittently switches off briefly, especially when tapped.
• Distorted picture. No synchronisation (when cold). (with circuit diagram extract)
• Station selector sometimes goes to a station higher than 50.
• How to store user controls.
• No or intermittent start-up. (picture attached)
• Does not tune any station, scanning available but does not stop on any station cause signal is missing. (picture attached)
• Picture flickers at high contrast. (+ extract of circuit diagram)
• Intermittently picture collapse. PSU switches off for a short time. (+ extract of circuit diagram)
• Blank picture for up to 1/2 an hour. (+ extract of circuit diagram)
• Frizzy line on picture. (extract of circuit diagram attached)
• Line tearing. (extract of circuit diagram attached)
• Picture jumps 3 mins after start up. Occasionally it turns pink, white, blue or yellow. (+ extract of circuit diagram)
• PSU functions but supplies low voltages (eg.90V for 140 etc.). Adjustment 3670 functions. (+ extract of circuit diagram)
• Output voltage is reduced. (part of circuit diagram displayed)
• Reduced horizontal size. (+ extract of circuit diagram)
• Patterning on all channels. Appears to go past station when tuning slightly.
• Blue picture. when changing channels.
• PSU pulsates, sound is audible, words clipped. No brightness.
• Trips. at start-up.
• Whites very faded, very grey. Functions OK.
• Starts up. Red LED lights up for a few secs then dead. Cycle may be reproduced some 10 secs after.
• Blue screen. Flyback lines. Fault occurs intermittently. .
• Dark picture. (+ extract of circuit diagram) (279123 SBR repair tip)
• Poor RC sensitivity. (extract of circuit diagram attached)
• Trips violently as picture appears.
• Low contrast and no reaction to contrast control. Sound mutes. When adjusting sound (RC or front panel) it returns when key is pressed. (with circuit diagram extract)
• No raster, EHT and heaters ok. (part of circuit diagram displayed)
• Right side of picture becomes narrower.
• Raster is bright white and approx 3/4 sized. No RC functions.
• Flashes cyan after warming up. (part of circuit diagram displayed)
• Picture missing at start up, then appears, but with distorted lines. (part of circuit diagram displayed)
• Wavy verticals. (+ extract of circuit diagram)
• No picture. Sound hiccups and pops. After some time functions normal again.
• Incorrect teletext letter at right hand side of each row.
• RC only functions after 10 minutes. Receiver and RC are OK. There is no small module in power supply. (+ extract of circuit diagram) (279123 tips)
• Frizzy lines from top to bottom of picture. (picture attached)
• No contrast control. No brightness control. (picture attached) (279123 tip from SBR)
• Picture trembles vertically when cold with some programs. OK after warming up.
• Power supply blows up.
• Memory loss of some pre-programmed programmes.
• No video signal content on raster. 88 on display. No sound of EHT voltage generation. Lower part of raster darker than top. (+ extract of circuit diagram)
• Reduced height and non linear. Scan at bottom half is missing. (picture attached)
• Functions OK but blinking LED. Strange display. (extract of circuit diagram attached)
• Crackling on picture. Thin black lines than increase in number when cold.
• Mains rectifier reservoir capacitor C2656 failed. (picture attached)
• No front controls and no RC. "88" on display. (part of circuit diagram displayed)
• Poor sound in Canal Plus during coded transmissions. Sound OK when in clear and on other channels. (+ extract of circuit diagram)
• Picture bends inwards. (extract of circuit diagram attached)
• HT varies, then powers down. (picture attached)
• Switching transistor TR7665 (BUT11AF) in the PSU is S/C. (picture attached)
• Dead. (extract of circuit diagram attached)
• E/W distortion. Picture squashed vertically. Poor synchronization. (part of circuit diagram displayed)
• TV chatters at times. Tube noise on screen. (part of circuit diagram displayed)
• No tuning. (part of circuit diagram displayed)
• Edging becomes blurry when subtitles in picture.
• Height changes with temperature - picture becomes longer.
• No picture. No HT sound. Display OK. (picture attached)
• No functions. "E" message in display.
• Blank raster. No sound. Channel display shows E.
• Picture has shifted to the right. Colours drop out. Picture becomes blue or red. Picture position changes. (picture attached)
• Intermittently flash. System LED flashes but TV does not stop completely. (service info for SBR -279123)
• Picture goes off occasionally or repeatedly flashes off and on. (+ extract of circuit diagram)
• Unstable picture in TXT. Noisy characters at bottom of screen when using TXT. (extract of circuit diagram attached)
• Intermittent foldover if brightness is too high. (part of circuit diagram displayed) (279123 tip from SBR)
• BUT11 blown when switched to standby. Switching on/off with mains switch is OK. (picture attached)
• After 5 mins impossible to change channel from the RC or front panel. Occasionally display goes off.
• Tuning drifts. (picture attached)
• Tearing or ripple on picture when turning TV on. Present also after warming up. (picture attached)
• When using the Philips teletext kit, there is no teletext.
• Hiccups when brightness is high.
• No picture via E1/E2 SCART. No horizontal/vertical sync. Jagged horizontal and interference lines. Picture OK via RF input, except few shaky lines on top when changing channels.
• R2665 O/C. (with circuit diagram extract)
• Fades out or very dim. intermittently. (+ extract of circuit diagram)
• No audio. after a while. Hum in audio. in standby. (picture attached)
• Horizontal pulling of picture with considerable change in brightness. (picture attached)
• No picture or sound. "E" in display. PB via AV ok.
• 140V rail fails after 5 minutes. (picture attached)
• Trips when adjusting contrast. (extract of circuit diagram attached)
• Horizontal raster lines over entire picture. (+ extract of circuit diagram)
• Dead. Slight noise from PSU. (picture attached)
• 72V instead of 140V on secondary. (extract of circuit diagram attached) (279123 tips)
• Sawtooth on vertical lines and 'water drop' effect. Fault improves slightly when appliance is hot. (part of circuit diagram displayed)
• Dark picture. after a while.
• The different BU types.
• BUT 11AF blows after a few secs destroying the protection fuse (1:6A). (with circuit diagram extract)
• Black screen. Audio OK . (with circuit diagram extract)
• Dead. No display. No RC functions. (part of circuit diagram displayed)
• After playing a few days the fuse blows, the transistor is then defective. The fault occurs in standby. Appliance switches off after a while. (part of circuit diagram displayed)
• Black screen. (picture attached) (279123 tips)
• Colour spots in flat square picture tubes.
• SOPS blows repeatedly. (picture attached)
• Intercarrier rattle in the sound. (picture attached) (279123 SBR repair tip)
• No picture. on upper half screen. (part of circuit diagram displayed)
• No video after heating up for 1 to 2 hours. (picture attached)
• After operating normally for a short time some channels disappear. Frequency slip.
• Wavy picture on vertical lines. (+ extract of circuit diagram)
• No contrast. Poor colour. (extract of circuit diagram attached) (279123 tips)
• TS7665 fails. (extract of circuit diagram attached)
• Break up of picture (dashes on the picture). (picture attached)
• Picture appears slowly. after a few minutes (when cold).
• Line time base/video/high frequency fault. (part of circuit diagram displayed)
• No button operation. (extract of circuit diagram attached)
• Weak points in picture. (with circuit diagram extract)
• Irregular flashing when picture appears. Starts up normally at switch on.
• Picture stays in black and white. Contrast and brightness controls have no effect.
• Slight ripple barely visible. (extract of circuit diagram attached)
• Black screen. Cracking from EHT. White points on screen. (extract of circuit diagram attached)
• Intermittently picture is bright or blinking for a fraction of a second. (SBR - 279123 information)
• Initially no picture; low contrast picture after a few minutes. (with circuit diagram extract)
• U743 tuner replacement.
• Noise in picture, horizontal lines. Whistle sound in standby.
• How to increase safety range. (with circuit diagram extract)
• Flickering text and apparent tuning drift. (extract of circuit diagram attached)
• Weak unstable vertical when cold. (part of circuit diagram displayed)
• Black screen. Sound OK. Vertical line on centre of screen when switching off with mains switch.
• Blows line BU.
• Rippling jagged verticals. (+ extract of circuit diagram)
• Vertical line distortion due to contrast excess. (with circuit diagram extract)
• Intermittently switches off then comes back on after several attempts.
• Switches off during program switch-over and when picture turns from bright to dark or vice versa. Clattering from line transformer.
• Significant shifting of picture and black band on the left side of the screen. (extract of circuit diagram attached)
• No raster. on lower half screen. (extract of circuit diagram attached)
• Image is overcontrolled or not standing still.
• Vertical picture shift towards left side. (with circuit diagram extract)
• Does not switch to standby. Cycles on/off. (+ extract of circuit diagram)
• +140V adjustment. (+ extract of circuit diagram)
• Hum on B/G standard.
• No picture. Audio OK . (+ extract of circuit diagram)
• Thin lines, like pencil lines over the picture.
• In standby, green horizontal line in middle of screen pulsating. When channel is altered then line becomes brighter with a pulsation. (+ extract of circuit diagram)
• PSU "clatters" when cold. (extract of circuit diagram attached)
• No focus (when cold).
• PSU pulsates.
• Intermittently, picture disappears and screen becomes black. Sound OK. (+ extract of circuit diagram)
• BU trips on mains 220V, heats up on mains 110V. (part of circuit diagram displayed)
• R3599 (47R) keeps failing after approx 1 hour. (extract of circuit diagram attached) (279123 tips)
• Starts up, switches off and starts up again spontaneously or memory loss or sound howling.
• PSU blown after implementation of modification.
• 1mm curl in vertical lines. (picture attached)
• Poor vertical linearity. (+ extract of circuit diagram)
• Dark screen, normal sound when switched on. Picture appears after 2 to 3 mins.
• Safety test after repair.
• Oscillations in picture, horizontal stripes and oscillations. (picture attached)
• Picture vibrates vertically.
• No HV. Audio OK . (picture attached)
• No reception.
• Intermittently functions out of control and no channel memory.
• Starts up at switch on but just as the picture begins to appear the appliance flashes on and off quite violently but irregularly.
• BUT11AF failed. (+ extract of circuit diagram)
• When switching on TV it moves frequency. Also sometimes previously memorised channel is missing.
• Memory loss. only on one channel.
• Fuse for mains input voltage blown suddenly at switch on. (+ extract of circuit diagram)
• Switches to standby. (picture attached)
• No RC functions.
• Trips. Functions OK after a few mins. When switched off, 3 colours visible (afterglow). OK when subsequently switched on (appliance is warm). (service info for SBR -279123)
• Picture remains dark. Contrast, brightness and colour controls ok. (with circuit diagram extract)
• At switch on makes flashes, short interruption when cold for 1 min then normal. (extract of circuit diagram attached)
• White screen, no sound. An "E" appears on screen. When connecting TV, no. 1 appears, but instantly switches to E.
• Low HV.
• TV picture remains when standby selected. Sound is muted and red standby LED comes on. (+ extract of circuit diagram)
• No sound in IF, except when pressing volume ± button. (with circuit diagram extract)
• Intermittently chopper transistor fails. (picture attached)
• No line drive. (extract of circuit diagram attached)
• Flashing picture. when cold. (with circuit diagram extract)
• Starts up jerkily after 2 mins. Start up is OK when appliance becomes hot after a few minutes.
• Starts up, picture and sound ok. If put into standby, standby LED switches off after 5 secs, then impossible to switch on again. (+ extract of circuit diagram)
• Display remains blocked on E and automatic search does not stop. (picture attached)
• In standby PSU fails and destroys BUT11. (picture attached)
• Picture flashes and sound cuts out at same time as picture.
• No start up. F1 displayed. (+ extract of circuit diagram)
• Identification of teletext decoder through microprocessor.
• BUT blows if appliance remains in standby. (part of circuit diagram displayed)
• Jagged verticals. (+ extract of circuit diagram)
• Picture drops out for short while (picture becomes white thereby).
• Trips for a few seconds before starting up: chassis of an overmain-primary power supply circuit.
• Switches to protection mode. after start-up. (extract of circuit diagram attached) (service info for SBR -279123)
• No horizontal deflection. (picture attached)
• Stripes in picture. Knock sensitive. (with circuit diagram extract)
• Front panel changes up but not down.
• Switches off at random or white picture for a short time. (+ extract of circuit diagram)
• Tripping. (picture attached)
• Vertical lines. Switches off by itself. intermittently. (+ extract of circuit diagram) (279123 SBR repair tip)
• Memory switches from 11 to 01 when switching channels quickly.
• Picture has flashing line across. (with circuit diagram extract)
• Negative picture with black smear on sides of pictures.
• Microprocessor screening plate. (picture attached)
• Fuse 1653 blown. (with circuit diagram extract)
• Fuse (1.6) in the power supply blows instantly.
• Occasionally the channel has been erased from the memory, completely at random and in the space of a few weeks. Channel resetting has no problems at all. (with circuit diagram extract)
• Special settings do not remain in memory.
• Vertical collapse (intermittently). (part of circuit diagram displayed)
• T7665 (BUT11AF) and D6657-6660 and fuse 1652 (T1,6A) are defective. (service info for SBR -279123)
• It takes the picture long time to appear and when it does, there is poor contrast. Sound OK. (part of circuit diagram displayed)
• Ragged verticals at switch on; OK after 15 mins. (picture attached)
• All settings are lost at start up via On/Off switch. (with circuit diagram extract)
• Repeatedly cuts out for a short time when cold. (with circuit diagram extract) (279123 SBR repair tip)
• Picture is visible but there is a white veil over screen. Sound OK. (279123 tip from SBR)
• Screen is completely blue with white flyback lines when warm.
• Waves in picture.
• Pulses on and off. Slowly stays on longer and longer till it finally comes on fully.
• No functions. (with circuit diagram extract)
• Intermittent output from power supply low and pulsing.
• Knotted lines and verticals on the picture on the left in ext. position. (+ extract of circuit diagram)
• Vertical foldover at bottom. (picture attached)
• Contrast and brightness cannot be adjusted after a while, picture becomes darker.
• No red. No blue. (+ extract of circuit diagram)
• Flashing picture. (with circuit diagram extract)
• Teletext problem with photo-CD.
• Chopper transistor (BUT11AF) fails repeatedly. (part of circuit diagram displayed)
• Sound OK at switch on. When volume increased sound becomes unstable and distorted then cuts off 1 min later.
• Switches to protection mode (intermittently). (with circuit diagram extract)
• Values of resistors R3658 and R3659. (part of circuit diagram displayed)
• No horizontal synchronisation. Picture rolls. (+ extract of circuit diagram)
• No contrast. intermittently. (+ extract of circuit diagram)
• Vertical waving of lines for approx 2 mins. (picture attached)
• Picture turns from white to black (when cold). (part of circuit diagram displayed)
• No picture via E1. Distorted and saturated picture.
• No synchronisation.
• Vertical lines not linear. (with circuit diagram extract)
• Reduced brightness and line ripple. (part of circuit diagram displayed)
• Starts up with a click when cold. Distorted picture during 1 min. Picture flickers. (with circuit diagram extract)
• Intermittent audio. No start-up. intermittently. (part of circuit diagram displayed) (279123 SBR repair tip)
• Intermittent hiccups and switch off when cold.
• Picture rolls. (extract of circuit diagram attached)
• Reduced vertical size. Vertical foldover. (+ extract of circuit diagram)
• No sound. Dark picture. F1 on display. (with circuit diagram extract)
• Replacing the TXT board.
• Blue screen with white horizontal lines after a few secs. At start up picture ok. Sound ok.
• Picture is poor in the beginning, first 2 minutes as if the picture tube is defective. (with circuit diagram extract)
• Faint noise at switch on. (+ extract of circuit diagram)
• No picture. No sound. Display remains on E at start up. (picture attached)
• Poor horizontal scanning, like "teeth " to left and right side of picture. (extract of circuit diagram attached)
• Dead or very poor power regulation. (+ extract of circuit diagram)
• Line transformer (BU508AF) blown repeatedly at start up. When it blows a noise is heard like arcing in line transformer. (extract of circuit diagram attached)
• No picture, no sound. Display shows "F1". (picture attached)
• Shuts down (after start-up). (extract of circuit diagram attached) (279123 tips)
• "88" on display at switch on. LED lights.
• At switch on picture is missing. Contrast builds up slowly over about an hour. (part of circuit diagram displayed) (SBR - 279123 information)
• Starts up with grainy and unsynchronised picture. (SBR - 279123 information)
• AV correction does not function. (part of circuit diagram displayed)
• Does not switch to standby. intermittently.
• 5cm missing in lower part of picture. (picture attached)
• Does not switch to E-E via scart.
• Intermittent loss of power, picture going off for a split sec and display flickers.
• Blurry picture. Noise in audio.
• Dotted lines (dashes) flying around on picture--ragged (extract of circuit diagram attached)
• Tube arcing at switch on and switch off. (+ extract of circuit diagram)
• Vertical roll. (SBR - 279123 information)
• Corrugated verticals. (with circuit diagram extract)
• Pincushion distortion. (extract of circuit diagram attached)
• No picture or sound at start up. OK after approx 15 mins. (extract of circuit diagram attached) (279123 tip from SBR)
• Memory loss of one or two arbitrary programmes. (part of circuit diagram displayed)
• No picture. Display lights up. (extract of circuit diagram attached)
• Switches to standby. at start-up. (part of circuit diagram displayed) (279123 tip from SBR)
• Loud audio (after start-up). Does not alter when ± volume button is pressed. (picture attached)
• Strong chirping noise in line transformer. (+ extract of circuit diagram) (SBR - 279123 information)
• No picture. intermittently. (picture attached)
• PSU hiccups.
• Picture trembles, gets smaller/bigger.
• Loud audio (intermittently). (picture attached)
• Flashes green for a few minutes when switched on. (picture attached)
• Intermittently cuts out then starts up again and flashes.
• No E/W correction. (part of circuit diagram displayed)
• Blows fuse. at start-up.
• Appliance pulsates for 10 mins before starting up. (279123 tips)
• When switching TV to standby and turning it off via mains switch, it takes time to start up again.
• Dark picture. when cold. (part of circuit diagram displayed)
• Red screen. Flyback lines. No luminance. 37V on collector T7407. (extract of circuit diagram attached)
• Green picture with horizontal lines. OK when warm. Whistle in standby. (with circuit diagram extract)
• Switches off by itself. intermittently. (picture attached)
• BUT11 and diode 1N5061 become S/C. (extract of circuit diagram attached)
• Black and white picture with no sound at power up. After adjusting colour and sound on front panel, quick flash and program memory is lost. (with circuit diagram extract)
• Screen flashes at start up or intermittently. Then either shuts down without standby or loses all channels or switches to PAL. (picture attached)
• Venetian blind effect. (extract of circuit diagram attached)
• 3 mins after start up, the picture turns blue with horizontal white lines then after everything returns to normal. (part of circuit diagram displayed)
• Starts up correctly and switches off with squeaking then LED switches off.
• Waves permanently on verticals with test picture or on picture. (extract of circuit diagram attached)
• Repeated failure of the supply. (with circuit diagram extract)
• Line tearing. when cold. (+ extract of circuit diagram)
• Information for measuring with a constantly defective BU. (extract of circuit diagram attached)
• Horizontal waves in picture. Picture improves after longer operation. (with circuit diagram extract) (service info for SBR -279123)
• White screen. Audio OK . (extract of circuit diagram attached)
• Attempts to start up for a second, display shows ''1'' then letter ''E'' and no start-up.
• Low contrast in picture, impossible to adjust contrast. No sound intermittently. (picture attached)
• No picture. Lines in picture. intermittently. Audio OK .
• Error codes. (picture attached)
• Stuck in standby.
• Irregular chirping sounds from the power supply, is not stable in stand-by.
• Driver transistor 7630 blown after a few secs. (extract of circuit diagram attached)
• Page 811 appears spontaneously. (with circuit diagram extract)
• Vertical waves, frizzy lines. (picture attached)
• Audio cuts off and standby LED lights up when selecting standby from RC. Picture remains normal. (part of circuit diagram displayed)
• No colour via tuner. Colour buttons do not work. Functions well in RGB via scart.
• E/W problem. Image collapses in one point at the centre of the screen.
• Cycles on/off (when cold).
• Poor width and poor EHT regulation. (extract of circuit diagram attached)
• Lines in picture. on the left. (picture attached)
• No raster for 5 mins. (+ extract of circuit diagram)
• Power supply blown or does not operate; BUT11AF failure. (with circuit diagram extract) (279123 tip from SBR)
• Pulsating picture. (extract of circuit diagram attached)
• Picture becomes darker, then drops out. (picture attached)
• No TXT. (extract of circuit diagram attached)
• Fails occasionally. Display is then dark and after mains switch is switched off then on again, runs perfectly again. (service info for SBR -279123)
• No start-up. Standby LED flashes . (picture attached)
• Power supply defective.
• Picture ringing plus herringbone pattern and no teletext.
• No channel and no colour when switching off then on with main switch after channel programming.
• No sound at switch on. Picture gradually appears after about 2 to 3 mins. (+ extract of circuit diagram)
• Channel display keeps going to E. (with circuit diagram extract)
• Standby does not function, picture remains, sound mutes and standby LED comes on. (part of circuit diagram displayed)
• No picture. at bottom. (with circuit diagram extract)
• No audio. after start-up.
• Only the memory of the channel numbers is lost. (with circuit diagram extract)
• Black screen with sound. If it is switched off and on again with mains switch, sometimes white screen with flyback lines. (part of circuit diagram displayed)
• Picture jitters. Picture shifted to the right.
• Slow start-up. (with circuit diagram extract)
• Dark picture. Audio OK . (part of circuit diagram displayed)
• Channel 39 is unstable. (with circuit diagram extract)
• No front panel function. No RC functions. after a few minutes.
• Searches for channels continuously. (extract of circuit diagram attached)
• No vertical synchronisation.
• Low brightness and line ripple. (extract of circuit diagram attached)
• White stripe on left. (+ extract of circuit diagram)
• Colour flickers. (with circuit diagram extract)
• White screen, no sound. No pretuned channel switchover. (with circuit diagram extract)
• Occasionally the picture pulls. (extract of circuit diagram attached)
• PSU output voltage very high. (+ extract of circuit diagram)
• Low contrast. (part of circuit diagram displayed)
• Dark picture (intermittently). Audio OK .
• No front panel function. (+ extract of circuit diagram)
• Distorted audio.
• Picture has poor colours. Scart output ok, poor scart input. (+ extract of circuit diagram)
• IC7260 changed type. (part of circuit diagram displayed)
• PSU not oscillating. (part of circuit diagram displayed)
• No audio. via speakers.
• No picture when cold. When warmed up, dotted lines appear and vertical deflection is reduced at the bottom. TV works OK after a few mins.
• Spontaneously becomes intermittent, caused by interference in the power supply. The appliance gurgles. (+ extract of circuit diagram)
• The microprocessor is blocked. No programme indicator (+ extract of circuit diagram)
• Tuning voltage slow to rise to its normal value (pin 11 of tuner).
• Green flashes in picture.
• Head does not stop.
• Weird noises on channels (like EHT flashovers). (+ extract of circuit diagram)
• Picture tearing and loss of vertical sync. Tends to improve when hot.
• Half of the frame is black. Tuning problems.
• No picture. at start-up. OK after a while .
• Line collapses to 2". Dull raster. (part of circuit diagram displayed)
• No start-up. LED is red .
• Arcing. after a few seconds.
• Sawtooth vertical lines. (+ extract of circuit diagram)
• No vertical deflection. (with circuit diagram extract)
• No picture. No audio. intermittently. Horizontal line. in E-E (intermittently). (service info for SBR -279123)
• Vertical black lines in picture when in EXT1 mode. (with circuit diagram extract) (279123 tips)
• Ticking noise. at start-up (intermittently).
• After operating for a few secs, PSU cuts out. It is necessary to wait for a few mins to be able to switch on again. (part of circuit diagram displayed)
• Intermittently switches off and picture moves horizontally.
• PSU defective. BUT11 S/C, mains rectifiers and TEA1039 faulty. (extract of circuit diagram attached)
• Blue screen. Flyback lines. Knock sensitive.
• BU508 S/C. (picture attached)
• No audio. (+ extract of circuit diagram)
• No start-up. (extract of circuit diagram attached)
• Horizontal foldover. (279123 tips)
• Power supply is destroyed when appliance is left in standby. (with circuit diagram extract)
• Horizontal lines. (with circuit diagram extract)
• Loses sound from memory when TV switched off by the switch. (extract of circuit diagram attached)
• Switches to protection mode. No picture. Audio OK .
• Channels drift, especially channel 44. Tuner OK. (extract of circuit diagram attached) (SBR - 279123 information)
• Problems with Fast TXT. Cannot find page 811 whereas in spite of this the page is broadcast. TXT header remains on subtitles. (part of circuit diagram displayed)
• Poor audio. (279123 tips)
• Intermittently trips and/or reverts to channel 1.
• Horizontal scanning in middle of screen (foldover) with blurred stripes. (extract of circuit diagram attached)
• No picture. OK after a while . (extract of circuit diagram attached)
• No audio. when cold.
• No sound. Faint picture caused by lightning. (picture attached)
• No brightness. intermittently.
• Dark picture for 10 mins after switch on. Sound OK then picture appears. Loss of picture when there is a lot of white. Picture OK after 20 mins. (extract of circuit diagram attached)
• No audio (intermittently). (extract of circuit diagram attached) (service info for SBR -279123)
• Unstable varicap voltage. (picture attached)
• Black lines in picture, E/W fault, rattling sound from high voltage area.
• Switches off by itself. Very intermittent fault. May work again after several attempts at switching on.
• Thin horizontal lines on the light screen. No picture.
• Only 'E' on OSD.
• No preset levels. Nonsense in display.
• No picture when switching on. After about 15 minutes the picture appears slowly, but contrast is poor (and hardly adjustable). Various supplied voltages are present. (extract of circuit diagram attached)
• Later chassis, no picture when first switched on. (with circuit diagram extract) (279123 tip from SBR)
• 140V HT supply is low at 60-70V. (picture attached)
• Vertical lines serrated on all 5cm's. Sometimes switches off. (picture attached)
• PSU oscillates. (picture attached)
• Weak contrast. (picture attached)
• No display. Standby or RC does not function. Slightly snowy picture and no channels are received. Otherwise there is no function.
• Poor contrast, reduced width with ripples down picture. (part of circuit diagram displayed)
• Tearing or waves in picture when connecting the TV. Error present even after warm up. (picture attached)
• Height and width decreased with lower half darker. Display shows "88". Faint raster. (with circuit diagram extract)
• Blue picture (intermittently).
• Cogging effect on picture. (with circuit diagram extract)
• Pulsates and whistling, display lit but no picture. (+ extract of circuit diagram)
• At high contrast, at bright picture sections, horizontal, fine lines. (with circuit diagram extract)
• Poor picture. (picture attached)
• Defective vertical linearity. Shading at bottom of picture. (part of circuit diagram displayed)
• Waves in picture (in verticals, therefore, horizontal fault). (part of circuit diagram displayed)
• Slight predominance of the green. The blacks are greenish. Some flyback lines are green.
• Vertical ondulation of the picture. (part of circuit diagram displayed)
• 5V problem, point 42 processor 4.7V is insufficient. The processor does anything. 8.5V on the collector of 7727 is ok. (extract of circuit diagram attached)
• Knock sensitive. Interference in picture. (picture attached)
• Swirling lines across screen. Does not stop in AUTO SEARCH when channel found. (with circuit diagram extract)
• Slight flyback line, black line.
• White screen with flyback lines. Sometimes screen becomes black when switching off and then on with mains switch. Sound available. (+ extract of circuit diagram)
• Dead and makes a loud tripping noise.
• Appliance hiccups (only with white screen during playback). (picture attached)
• No picture (intermittently). (with circuit diagram extract)
• Smoke from R3628 (6.8R). (extract of circuit diagram attached)
• Horizontal tearing. Vertical line tearing. (with circuit diagram extract)
• No red. When knocking on TV, screen becomes red and no picture. (part of circuit diagram displayed) (279123 tips)
• CTV functions when switched on by the switch. If switched off by the RC, impossible to switch on again by RC or by switch. Once cold, it can be started again only by the switch. (SBR - 279123 information)
• No channel search. (picture attached)
• Starts up after replacing defective PSU but white flashes on screen and system diode flashes. (picture attached) (279123 tip from SBR)
• Picture jitters.
• When switched on TV starts up correctly. When it goes into standby it switches off completely. When switched on again it starts up again for approx 3 secs then switches off completely. No light is lit.
• Frayed picture.
• No picture, high pitch noise before failure. (extract of circuit diagram attached)
• All horizontal and vertical lines tear in a wavy manner. (+ extract of circuit diagram)
• White screen. Flyback lines. (extract of circuit diagram attached)