7669820710 IS7049VT / BLAUPUNKT [TV 70-74 (66-70) cm picture]

• Vertical collapse. (extract of circuit diagram attached) (service info for BLAUPUNKT -7669820710)
• Numerical adjustment of phase and line frequency on multistandard and modified models.
• IC500 (TDA8140) and T541 (S2000A) are excessively overheated. After approx 20 mins IC500 and T541 fail. Drive signals and output signal ok. (part of circuit diagram displayed)
• No function when very high voltage present and good power supply.
• Line tearing.
• Erratic display.
• No start-up.
• Logo displayed for a short time when changing channels, display is constant, display fault.
• Line BU (S2000A) is defective. (picture attached)
• Excessive brightness. Flyback lines.
• Automatic programming (HP) for dealers with the IR autoprogrammer FZ900G1.
• Intermittent failure to start up (completely) at switch on with mains switch. (picture attached)
• Black screen and no sound. Channel tuning ok. Display ok.
• Adjustment of brightness, volume, contrast, colour, etc., after deleting average analogical values from memory. (BLAUPUNKT - 7669820710 information)
• No picture. Sound OK via AV.
• Moire pattern. only on certain channels. (7669820710 tips)
• Excessive horizontal size.
• In a cable system appliance should receive a French band I channel (audio carrier -6.5MHz), which is converted into a CCIR Band I channel (audio carrier +6.5MHz).
• Goes to standby when switching on with power switch. Switch on OK via RC.
• Restless picture. Interference on line synchronisation. (part of circuit diagram displayed)
• No picture. No sound. Bright screen with interference. (7669820710 tip from BLAUPUNKT)
• Picture is frizzy. Line BU heats up and blows after 2 mins. (+ extract of circuit diagram)
• Crackling at switch off. (+ extract of circuit diagram)
• No functions. Display flashes. Loud crack after switch on.
• Brightness varies.
• Entry of mean values (brightness, contrast etc.). (7669820710 tip from BLAUPUNKT)
• RC IR DATA PROGRAMMER IDP1 or IDP2: automatic programming mode "HP".
• Loud grunting from IF. No raster, just a line almost at top of picture.
• No start-up from standby. (+ extract of circuit diagram)
• BU508A gets too hot and then fails. (extract of circuit diagram attached)
• Poor RC sensitivity.
• No functions. Display OK .
• Sound cracks two-three times at start-up (also at start-up from standby).
• After days or weeks IC500 (TDA8140) then T541 fails. (+ extract of circuit diagram)
• Line BU is defective. 152V fails when a new BU is fitted. PSU is correct.
• To make flashing disappear while switching over channel when programming from 1 to 9. (service info for BLAUPUNKT -7669820710)
• Digital adjustment of the line frequency and the line phase in multistandard and on appliances converted to multistandard.
• No line time base.
• Loud noise from line transformer. (with circuit diagram extract)
• No reception of CCIR high channels. Appliance receives a cable channel with French standard (Display indicates n1).
• No adjustment of colour, contrast or brightness with RC.
• In AV playback, in the background the picture of another station received by the TV runs through.
• Station name - (station contraction -) OSD: without/a short time after each programme change/permanent.
• IC4000 TDA2009 fails, especially at the moment of start up.
• For repair works, the set must not switch off 10 minutes after closedown or in case of a station breakdown. This state cannot be stored.
• Blank raster. Reduced vertical size. (extract of circuit diagram attached)
• Picture jumps at switch on.
• Lines in picture.
• Interference in picture, slightly wavy over whole screen, moving up and down. (+ extract of circuit diagram)
• No TXT (after a while).
• Poor audio (intermittently).
• Intermittently insufficient picture height, black stripes in lower picture area.
• Start up in "AV", (1AV).
• Poor audio.
• Dark screen. VHT present. When trying to tune C-00 appears. Introduces channel but no sound or picture.
• No sound, only appears when volume is regulated.
• The picture is extremely overloaded. Bright parts of the picture cause flags.
• White screen after replacement of IF. Switches to AV at switch on.
• TDA8140 heats up and blows a few hours after having been replaced. Before failure sharp noise in FBT (too fast to be located). (part of circuit diagram displayed)
• Dead. Standby LED flashes .
• Horizontal line. on upper half screen. No vertical deflection. (picture attached)
• No picture. No display. after start-up.
• Switches off by itself. Knock sensitive.
• Switches to standby (after a while).
• Chirping. (7669820710 tips)
• Picture height cannot be adjusted, raster module is ok.
• Input of averages at memory loss of analogue values.
• No picture. Intermittent audio. (picture attached)
• No sound. No picture in RF. Picture OK from SCART.
• White screen with white line. Protective circuit is activated after 30 mins.
• Only UHF channel 49. Scanner works but no tuning.
• T541 (BU508) fails after a few days.
• 1AV appears when switching on with the mains switch. When you press 1 on the remote control channel 1 comes on. Moreover no high channels can be set, except for SK18 and this only when SK20 is adjusted.
• After turning on the set 10 times once the screen is just grey, no sound.
• Cracking at switch on. (+ extract of circuit diagram)
• No luminance. Audio OK .
• In PIP to change small picture position in the corners and frame.
• Distorted audio.
• No picture, only thin, faint, horizontal line.
• Jumps back to Standby or to optimal value, if an analogue function is pressed on the RCU.
• SI644 (1.25A) is defective.
• White screen.
• Switches to standby (intermittently).
• Flickering picture after warm-up. White spots in picture intermittently. Audio OK. (BLAUPUNKT - 7669820710 information)
• Stuck in standby. (extract of circuit diagram attached) (7669820710 BLAUPUNKT repair tip)
• Programming a set using the programmer HTP89.
• No functions.
• No raster and no sound while a screaming noise comes from the line output transformer. (extract of circuit diagram attached)
• Dark screen. No channel storing. (with circuit diagram extract)
• Switches to standby intermittently or switches off.
• No start-up (intermittently). (service info for BLAUPUNKT -7669820710)
• Red smears in right of picture, especially when contrast and/or brightness are high.
• No reception of the CCIR high channels.
• Distorted vertical lines.
• Dead.
• If appliance is switched off via RC only program display goes off. The set keeps functioning and does not respond to RC. (BLAUPUNKT - 7669820710 information)
• Stuck in standby. Red LED blinks.
• Horizontal stripe. at bottom.
• Torn lines in an area of approx 10cm. This area wanders slowly over the screen.
• No power supply in the secondary. (with circuit diagram extract)
• Changing over to the differing French cable channel raster.
• Fleck of light when switching off the appliance. (service info for BLAUPUNKT -7669820710)
• Blubber at start up.
• At switch on only program displayed is present.
• Focus problems. Fault occurs intermittently. .
• Adaptation of band-1 CCIR channel (+6.5MHz sound) of a reception in band 1 of a channel with L standards (-6.5MHz sound carrier).
• Switching off the two-digit programme sites (10-29, 10-49, 10-99 depending on the individual set). Switchover using the numeric buttons will therefore become quicker. Two-digit programme sites can still be chosen with rocker switch.
• Strange oscillation at switch on and sparks from tripler.
• Line transistor fails intermittently.
• Thin white line in middle of upper half of screen.
• Tuning drifts (after a while).
• No start up of line BU.
• When switching on the line transformer makes a loud humming noise.
• No functions. Standby LED lit .
• No picture. Display OK .
• No vertical synchronisation.
• Goes into standby prematurely after remaining off for a certain time.
• Changing channel raster for multistandard TVs or TVs modified in L standard which have to be connected to a French cable network system (CCE II channels).
• White picture with flyback lines at switch on. Switches off and PSU starts hiccupping then loss of picture. (+ extract of circuit diagram)
• Single digit channel display from 1-9.
• Line tearing - moving slowly from top to bottom.
• Sound hiccups.
• No program reception on channel 9.
• After a few days line BU is defective again. (with circuit diagram extract)
• Shuts down. after start-up.
• Setting of automatic standby time is lost after 10 mins without a signal. Function has to be reset after every start up.
• Striations in AV position. (7669820710 BLAUPUNKT repair tip)
• Horizontal tearing. (with circuit diagram extract)
• No horizontal or vertical deflection. (extract of circuit diagram attached)
• Sound is missing or picture is only black/white on individual channels.
• Line BU heats up and fails after approx. 1hr. (with circuit diagram extract)
• Horizontal white line. (BLAUPUNKT - 7669820710 information)
• Horizontal thin line in upper third of picture, the rest is dark. (7669820710 tip from BLAUPUNKT)
• No picture.
• Sound pulsates after switch on, volume generally too low.
• Tripping.
• No picture. No sound. Loud ticking from speaker, which is visible on data line. (7669820710 tip from BLAUPUNKT)
• Dark picture. Brightness, contrast and colour can be adjusted. (with circuit diagram extract)
• E/W fault. (picture attached)
• It is possible to switch through until channel 9 only.
• Horizontal line 2/3 of the way up the screen. No picture and no sound. Defective vertical module.
• The line BU blows after 5 mins. TDA8140 and the tripler have already been changed but the fault is still there. (7669820710 tip from BLAUPUNKT)
• No display. No stand-by indicator. However comes on at once but no function.
• Vertical deflection fails. Individual lines in lower half of picture. Sound very high with interruptions
• Tube problem. (7669820710 tip from BLAUPUNKT)
• BU508A defective after 30 mins even when tripler has been disconnected.
• Only stereo segment lights up in the display.
• TDA8140 and BU508 defective after 2 days.
• Slight moire effect in AV which varies with brightness and the mains voltage.
• When the set is connected to a cable TV-system, and certain channels cannot be received at all or only with a poor quality, probably the wrong channel grid has been set.
• No start-up. LED is green.
• Incorrect linearity and picture foldover.
• No picture. No display. Hiss from speakers. (part of circuit diagram displayed)
• No or almost no sound. Popping from all speakers.
• Switches to standby. intermittently (when cold).
• How to modify appliance operating condition by means of reset when switching on with mains switch.
• Field collapse with a small amount of scan above and below the line. (picture attached)
• No raster deflection. Line on 1/3 of the top of the screen.
• HV completely present only after operation time. (BLAUPUNKT - 7669820710 information)
• Appliance switches automatically to program site AV instead of program site 1.
• Vertical foldover at top.
• When switching channels the "momentary" channel display remains on.
• No picture, only snow. (7669820710 tip from BLAUPUNKT)
• Shuts down. (with circuit diagram extract)
• Poor switching to AV mode. Tuner picture stays behind picture.
• Hum in audio.
• Coloured spots in top corners (colour purity). (+ extract of circuit diagram)
• Loss of stereo sound. Stereo indication flashes in STEREO.
• No brightness, no sound, no programme memory and impossible to memorise again.
• Appliance should go into "AV" ("1 AV") position at switch on.
• Only bottom half of picture. Volume goes high/low.
• No audio. (with circuit diagram extract)