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264739 / SBR [TV]
The EURAS repair tip database for professional technicians and service engineers
supplies the following faults for 264739 / SBR.
List of fault symptoms:
- The chroma is next to the rasters, even if the colour fails.
- The appliance does not identify the programmes.
- Tip buttons do not work.
- +12V supply adjustment.
- No function, the appliance gurgles.
- Clock TXT decoder adjustment without measurement equipment.
- White lines in the middle of the picture. (with circuit diagram extract)
- No VCR, no sound, blank raster. (picture attached)
- Bright/dark interference stripes. Picture may disappear intermittently
- Barrel shaped picture.
- Colour purity adjustment.
- Vertical interference lines in all of the picture during UHF and VHF. No flyback lines.
- After working for a few hours, loss of memory and no tuning seach.
- Line across picture and squealing noise. (+ extract of circuit diagram)
- The picture turns a glaring red, green, blue, it may occur only after some time (SBR - 264739 information)
- TV has poor luminosity and every now and then the picture shrinks at the centre forming a horizontal thin line.
- Blank picture, the sound is present. The appliance switches over. (with circuit diagram extract)
- Fuse 562 is defective. After replacing it the appliance functions. (264739 SBR repair tip)
- Tripping. at start-up.
- Channel 2 and channel 7 flashing.
- Burnt high voltage cable at the picture tube. (part of circuit diagram displayed) (264739 tip from SBR)
- White lines in the middle of the picture and no sound.
- Channels cannot be switched over also there are no analogous functions.
- The TV does not switch on from the switch but only from the remote control.
- No colour. after a while.
- Overvoltage protection adjustment.
- Is occasionally intermittent.
- No colour. (with circuit diagram extract) (SBR - 264739 information)
- Horizontal size varies. Knock sensitive.
- Bright picture with retrace lines first, then picture cuts out.
- Channel drift.
- Picture ringing, double vision.
- Lines in the picture caused by loose contacts on the module contact plug. (picture attached)
- Slight east/west problem (extract of circuit diagram attached)
- Focus potentiometer.
- No line tracking. (part of circuit diagram displayed)
- Every few hours appliance independently switches on and off for a short time.
- Greyscale adjustment.
- One colour missing.
- No start-up. (with circuit diagram extract)
- No functions. (with circuit diagram extract)
- The picture distorts in the corners, it is sideways to the middle. (with circuit diagram extract)
- Sound module IC TDA2610Q no longer available.
- Touch controls do not function.
- General information. (service info for SBR -264739)
- No HT, loss of display. Power supply OK. (264739 SBR repair tip)
- Reduced vertical deflection. No E/W correction. (extract of circuit diagram attached)
- Burst keying-out pulse adjustment.
- Blurry picture. (picture attached)
- Picture turns red, green or blue with flyback lines.
- High peeping sound, the television functions properly otherwise, the line transformer is ok. (picture attached)
- No tuning.
- The picture is too small and East/West correction is incorrect.
- The picture distorts - appears overcontrolled. The picture is a little too small. (with circuit diagram extract)
- With light picture contents the mains gurgles once.
- The raster becomes dark and red.
- Line output transistor fails repeatedly.
- Replacing TDA2523 with TDA2525.
- Disturbance lines and shaky picture.
- Colour phase is faulty, reverse blocking lines. (with circuit diagram extract)
- Screen turns bright. Hiccups. Black, horizontal line in the picture.
- Red smear on picture.
- Green picture. Shuts down.
- Intermittent bottom cramp (poor bottom line). (picture attached)
- Safety test after repair.
- The raster is egg shaped. (service info for SBR -264739)
- Shuts down (intermittently).
- The picture is distorted and folds over at the bottom. (part of circuit diagram displayed)
- Picture gets lighter, flyback lines, then appliance fails (even after a short playing time).
- Cycles on/off.
- Tuning is faulty, snow on UHF, no band III, the fault occurs after spraying. (+ extract of circuit diagram)
- No vertical synchronisation. (extract of circuit diagram attached)
- Tuning drifts.
- Weak or no contrast. (extract of circuit diagram attached)
- Connection of a loop system to the TV. (SBR - 264739 information)
- Switching on/off rapidly, slow loud hiccupping.
- Does not change channels. Audio and picture OK .
- No function, the power supply gurgles a little. (+ extract of circuit diagram)
- The appliance makes a light gurgling sound, occurs occasionally after some time.
- Lower side of picture is black.
- Memory loss. (picture attached)
- Horizontal lines.
- Modification to be carried out on the chroma module in the event of replacing the IC TDA2523 with the TDA2525.
- The picture is covered by horizontal black stripes.
- Colour is faulty, flyback lines and smoke from R610. (+ extract of circuit diagram)
- Top scan only. (SBR - 264739 information)
- The picture is too small and disappears. (picture attached)
- Uniform faded picture.
- No brightness control. Retrace lines. (part of circuit diagram displayed)
- Reduced vertical size. (extract of circuit diagram attached)
- Blank picture and gurgling is present, U12 is not present. (with circuit diagram extract)
- Sound unit (10W-HiFi).
- 5.5MHz blanking circuit adjustment.
- Picture linearity is faulty, the east/ west correction distorts occasionally. (picture attached)
- Channel selector V311 no longer available, will be V317.
- Crooked horizontal deflection at the top and bottom of the picture (looks like op east/west fault). (part of circuit diagram displayed)
- When search is switched on, the appliance no longer stops and the screen darkens. (part of circuit diagram displayed) (service info for SBR -264739)
- Blocks.
- R.G.B. amplifiers.
- The upper part of the picture pulls up.
- Horizontal streaks across picture.
- Wavy lines are visible vertically. (service info for SBR -264739)
- Pincushion distortion.
- Screen is only white and there is no rustling noise. (+ extract of circuit diagram)
- Vertical deflection fault. Pincushion distortion. Horizontal line on picture.
- Searches for channels continuously.
- Horizontal ripple lines. Everything is ok after dismounting the AFC plug on U535. (264739 SBR repair tip)
- East-west amplitude cannot be controlled easily. The picture's width varies when the contrast is changed. (picture attached)
- RC and control panel operation do not function (only 1 channel).
- Vertical sync adjustment.
- Volume varies.
- 140V = 70-80V. Set comes on after a while. (SBR - 264739 information)
- Horizontal white line. Audio OK .
- Audio is set to maximum. The display control does not function. (+ extract of circuit diagram) (264739 tips)
- Picture too small. (extract of circuit diagram attached)
- No power supply, no 145V when loading with lamp, no LT. (with circuit diagram extract)
- Shuts down. after a while.
- No luminance. Colour OK .
- +145V supply voltage adjustment.
- The focus unit is replaced.
- In display only even nos light up.
- Low humming noise (B+ 49V) - set not hiccupping. (+ extract of circuit diagram) (SBR - 264739 information)
- Switching on appliance a hiccuping operation is noted.
- When switching on the TV is ok. After a few minutes when adjusting the saturation it moves frequency.
- The picture turns dark after some colour occasionally disappears. (264739 tips)
- Varicap voltage adjustment.
- Horizontal sync adjustment.
- TV does not switch on; there is only the M1 voltage = 285V. (extract of circuit diagram attached)
- No or poor audio. (part of circuit diagram displayed)
- 4.43MHz trap adjustment - Luminance circuit.
- The appliance gurgles with high voltage and sound. No picture.
- Change of mains switch order number.
- No picture. Switches off by itself.
- All functions are distorted during operation.
- Band 4 and 5 does not function.
- No audio (intermittently).
- Sibilance. (part of circuit diagram displayed)
- Blank raster. No audio. (extract of circuit diagram attached)
- The indication LEDs do not come on.
- Supply section oscillator adjustment. (service info for SBR -264739)
- Vertical collapse.
- No contrast. (+ extract of circuit diagram)
- Flyback lines.
- Picture is pinched in in the middle. (picture attached)
- After switching the appliance on, it is not tuned. After switching to another channel, the tuning is o.k. again.
- Lower vertical foldover. (extract of circuit diagram attached)
- Screen turns bright. Appliance gulps.
- Power supply does not function. (extract of circuit diagram attached)
- Wow and flutter. Knock sensitive.
- Vertical foldover at the bottom, stretched and jittering at the top. (picture attached)
- VCR time constant: 26 C 668.
- Occasionally switches off (beam current). (+ extract of circuit diagram)
- Hiccuping. (with circuit diagram extract)
- The picture lightens up, the appliance gurgles due to a high beam current. (with circuit diagram extract) (service info for SBR -264739)
- HF AGC adjustment.
- Picture jitters. at top.
- The picture darkens when the colour is turned up.
- No E/W correction. (picture attached) (264739 tips)
- No picture and no sound - only a little noise in the sound. The channels cannot be tuned. (part of circuit diagram displayed)
- Does not function with manual operation but does function with remote control.
- Picture is upside down.
- No picture. No sound. Screen is grey. Occasionally sync is poor.
- No vertical deflection. intermittently.
- Code numbers of the phosphor bronze connections. (264739 tips)
- No vertical deflection. (part of circuit diagram displayed)
- No tuning. only on certain channels.
- E/W fault. intermittently. (picture attached) (service info for SBR -264739)
- The sound varies: soft and loud. (service info for SBR -264739)
- 5.5MHz adjustment - Sound section.
- Dark picture. intermittently.
- No memory.
- No line synchronisation. (+ extract of circuit diagram)
- The picture is defective, horizontal lines. (extract of circuit diagram attached)
- Picture turns white with flyback lines and fails. (picture attached)
- Impossible to adjust the East/West module (U555). The raster remains distorted (narrow) in the lower part of the screen while the top part is wide. (picture attached)
- Weak colours. Flyback lines. (picture attached)
- Hum, picture and sound cut out. (picture attached) (service info for SBR -264739)
- The appliance cannot be tuned (remains blocked on one channel).
- Auxiliary oscillator adjustment.
- No switching between UHF and VHF. Switching voltage is 10V on both at the same time.
- No picture, sound is present, flashing occurs when switching off. (+ extract of circuit diagram)
- After switching to TXT, only TXT mode is displayed but no TXT appears.
- The appliance gurgles, the picture and sound disappear. (+ extract of circuit diagram)
- Dynamic convergence adjustment.
- Blank raster and the high frequency cable connection on the picture is burnt out. (with circuit diagram extract)
- Blown chopper. (part of circuit diagram displayed)
- Frame module without IC TDA2780 (not enough in supply).
- No programming. Dark screen.
- The connected video recorder produces a freeze frame that shakes and jumps.
- The remote control does not function. The green LED lights up irregularly.
- Rolled up picture in the bottom part of the screen.
- No picture. Audio and HV OK . (part of circuit diagram displayed)
- PSU pulsates. (picture attached)
- Inverted picture. (264739 tip from SBR)
- Bright raster, M6 too high (part of circuit diagram displayed)
- White screen.
- Picture and sound have rhythmical interference, even without the station, tuning voltage varies.
- Blue picture. after a while. Switches off by itself.
- Does not tune to optimum. Station is tuned too sharply.
- Picture turns bright red, green or blue, flyback lines and then fails.
- Dead. (extract of circuit diagram attached)
- Standardised chroma module.
- EHT (excessive).
With this service information, you may repair SBR 264739 faster/better when it fails.
When SBR 264739 fails , these symptoms are known and EURAS knows the remedy/solution.
Tips are coming from EURAS customers, workshops and payed technicians from all over the world. SBR 264739 fails can be better solved. If SBR 264739 fails, this information will help you. Here you can only see the symptom list, to access remedies, you must register. With help of this list a solution is found often when SBR 264739 fails.
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Additionally to repairtips or service information 264739 is linked to 4 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 264739 ).
EURAS system also knows 420 appliances having the same chassis as 264739 and can easily list them.
For 264739 there are 2 compatible appliances known and can be listed.
Do you want to see this remedies/cures for repairtips? Register here for the EURAS System Please note: access to the EURAS System can be granted only to professional
household electronics repair shops/Video/TV/technicians which are
authorized for service by a manufacturer, or can prove to be professionally
certified to do repairs on electronic appliances. You will be asked for a
statement and information accordingly during registration.
If you do not qualify as stated above and you have an appliance that needs
technical service, we do recommend you to contact the manufacturer (for
example through his website) or go to a professional household/Video/TV
electronics repair shop close to you.
Already registered? open 264739 SBR in EURAS
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Last updated: 02. Dec 2008 02:30:32 MET, doccode ISO9002AS168EKA200805C EURASMOP
Responsible for the content: EURAS International GmbH, Eime, Germany.
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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