66KS1252 / SIERRA [TV 70-74 (66-70) cm picture]

• Display indicates E1.
• Power supply hiccups.
• Cycles on/off. intermittently. (66KS1252 tips)
• Very intermittent hiccups.
• No picture. If screen grid is turned up, vertical line appears.
• Background-colour changes.
• EHT arcs.
• Fails.
• Noisy audio. Alternator noise may be generated when using an xr car radio with an XM701 car amplifier.
• Remote telco decoder problems.
• No RC functions.
• Dark picture. intermittently.
• Poor REC/PB. Picture is too big.
• Connection of a loop system to the TV.
• Part field collapse.
• Lines on picture plus excessive brightness. (66KS1252 tips)
• Appliance stuck on channel 1.
• Lines folds over when cold. Ok again after approx. 1 min.
• Brightness and contrast problems. (service info for SIERRA -66KS1252)
• Light-spot after switching-off.
• No picture. after warm-up (intermittently). (SIERRA - 66KS1252 information)
• Service tips Japanese VCRs.
• Switches on to channel 9
• Lower half of screen wrong colour.
• No synchronisation.
• Linearity distortion in centre of screen.
• Video is missing, small amount of chroma.
• Green picture after approx 2 hrs. (66KS1252 tips)
• Zigzags.
• Various problems deleting picture which occur very intermittently and may disappear when warm.
• No picture. at bottom. (SIERRA - 66KS1252 information)
• Cramped raster.
• Picture collapse.
• Intermittently starts and stops. E1 on display.
• Intermittent dropouts.
• Light picture with min brightness and flyback lines. (66KS1252 SIERRA repair tip)
• No or low brightness. (66KS1252 tip from SIERRA)
• No functions. after start-up (intermittently).
• Dim blank raster.
• Blank raster. Audio OK .
• Fine white lines.
• No picture. High voltage is present. No RGB drive. RGB module has already been replaced.
• No response to control panel or RC. No channel change. Picture OK.
• Width problems.
• Frame linearity problems.
• Reduction in contrast level.
• No frame sync.
• No start-up (intermittently).
• No function, the power supply does not start up, the display indicates E1.
• As soon as the TV is switched on the TV discharges the EHT.
• Intermittent colour.
• Dead.
• Randomly trips.
• Set switches off after approx three hours.
• Blank screen.
• Dark raster. Audio OK .
• Part nos for line transformer, focus cable, clamping ring and HT cable.
• Trapezoid shaped raster.
• Low brightness. Flyback lines.
• Sound ok, after about 30 mins there are lines on the screen, (no brightness or colour).
• No vertical synchronisation.
• No station tunning on 4 of the channels.
• Slow start-up. (66KS1252 tip from SIERRA)
• No picture. Audio OK .
• Deviation or intermittent operation of the tuning.
• The stations are out of tune when the appliance is switched on, the television is correctly tuned after approx 1 min.
• No function. E1 on display.
• Intermittently frame collapses.
• Black band at bottom of screen.
• Distorted picture. at bottom.
• Moving or stationary hum bars.
• After approximately 20 minutes the raster is lost.
• No audio. No picture.
• Picture rolls in at the bottom. Vertical linearity error.
• Pincushion distortion. E/W fault.
• Trips.
• Low contrast in picture and impossible to adjust. Intermittent fault. (66KS1252 SIERRA repair tip)
• Reduced brightness with limited adjustment possibility. Contrast and colour OK.
• LHS of screen is dark and gets lighter towards RHS with flyback lines present.
• No picture, just bright screen with white lines. Sound OK.
• Contrast problems.
• Extension print (SBC 312).
• Picture and sound are missing. Raster OK.
• No functions.
• Does not stop at K5 and/or K21 in search mode.
• Black band across screen.
• Tint alters.
• Vertical fault. (service info for SIERRA -66KS1252)
• After 30 minutes lines appear on screen, luma and chroma are missing. Sound ok.
• Bad luminance striations.
• Loss of line hold.
• Dark picture for first 10 mins. (service info for SIERRA -66KS1252)
• Replacement for U341 tuner.
• Hiccups from PSU when fluorescent light switched on/off.
• Blank raster.
• Venetian blind effect.
• No vertical deflection.
• Intermittently stops and starts again after a few secs.
• Screen is lit (no snow on raster).
• Over a period of approx two hours picture gets progressively greener.
• Constant tripping.
• Horizontal stripe. intermittently (after a while).
• Vertical collapse. intermittently.
• Raster is blank, sound ok.
• Dark picture. No adjustment from RC. After approx 3 minutes brightness comes back to its preset value and can be controlled.
• Lines across picture plus hissing or crackling.
• No tuning.
• Reduced vertical size. after warm-up.
• Flyback lines.
• The top part of the picture is blanked out, only the bottom three inches having a picture.
• No luminance output from the TDA2560.
• E/W fault.
• Colour varies. (service info for SIERRA -66KS1252)
• TXT reception problems with K30/K35 chassis.
• Replacing TDA2523 with TDA2525.
• No picture. intermittently. (66KS1252 tips)
• Intermittently the background changes colour.
• No E/W correction.
• Poor picture quality, smearing, glistening, milky whites or insufficient brightness.
• Memory loss.
• No +12V on IC332.
• Sync IC (TDA3571BQ) replaces IC (TDA2571AQ).
• Vertical lines on left of picture.
• No audio. after warm-up.
• Safety test after repair.
• Replacement of tuner ECL2006 with UV418.
• Appliance keeps searching for channels after switching on the T.V.
• Processing of "non-standard" signals.
• Height problems.
• Print plate 256 divider U18.
• Purity is poor.
• The station storage breaks down with system TRD111.
• Sometimes no start up of PSU and/or drop outs.
• Squeaking.
• Brightness fault.
• Picture quality poor, smearing, glistening or milky whites and insufficient brightness.
• Line synchronisation is missing or line collapse. (SIERRA - 66KS1252 information)
• Dark picture. Lightens after a short time.
• No line synchronisation.
• Brightness too high/flyback line visible.
• Loss of raster after approx twenty minutes. Sound remaining ok.
• Contrast and brightness problems.
• Switches off after some time, strange noise audible.
• Ballooning effect.
• No red. intermittently.
• After working normally for a short time, the TV switches off.
• Change of code C2609
• No function, no start up of PSU, E1 on display. (SIERRA - 66KS1252 information)
• Attempts to start up.
• Black lines.
• Teletext problems.
• Vertical collapse.
• Lines on picture plus hissing or crackling.
• No colour. Audio OK .
• Picture quality poor, smearing, glistening, milky whites or insufficient brightness.
• Vertical foldover at bottom.
• No blue luminance.
• No brightness.
• No picture. Lines on screen if left on for approx 30 mins.
• In the tuning phase the TV does not stop. Receives VHF in UHF band.
• No raster. after warm-up (intermittently).
• Hum when volume off also during low sound passages.
• Vertical lines.
• No start-up.
• On reception of some UHF-channels, AFC does not work correctly. After opening the tuning tray, the picture is perfect.
• Flyback lines on one colour.
• The picture is too dark, the picture lightens after some time.
• The stations run through when tuning the appliance.
• No tuning. only on certain channels. (66KS1252 SIERRA repair tip)
• Contrast varies.
• Insensitive after IF replacement.
• Diamond-shaped distortion visible in vertical lines. Phenomenon relocates depending on brightness.
• Does not lock in on high frequency channels. Locks incorrectly in on low frequency channels.
• Poor picture.
• No E/W correction. Excessive horizontal size.
• Reduced horizontal size.
• Partial picture collapse.
• No audio. Picture OK .
• Attempts to startup with no result. (66KS1252 tip from SIERRA)
• Lines in picture when using Japanese VCRs.
• Stuck in standby. No display. LED lit. . (66KS1252 tips)
• No TXT.
• No blue signal output of TDA3560.
• Contrast control.
• Dead or intermittently dead.
• No picture.
• Three types of line transformers.
• Insufficient height. Cramped at bottom.
• Picture is missing, sound ok.
• Low brightness when first switched on, line shading and flyback lines.
• Field low and severe flyback lines.
• The picture becomes greener over a period of two hours.
• PAL/SECAM transcoder
• Trips (intermittently).
• Dim picture. (66KS1252 tip from SIERRA)
• Dark picture.
• No luminance.
• Intermittently does not start up or fails.