226926 ST70750TEXT / HANSEATIC [TV]

• No audio. via speakers. (picture attached)
• Switches to protection mode. at start-up.
• No functions. Standby LED lit . (part of circuit diagram displayed)
• Timer REC performs without sound.
• Loud peep (with circuit diagram extract)
• No picture. via tuner. (picture attached)
• RGB signals coming from scart 2 are torn or distorted.
• Stretched picture. E/W fault. (+ extract of circuit diagram)
• Switches to standby. intermittently. (+ extract of circuit diagram)
• Dark screen.
• Wavy picture. (extract of circuit diagram attached)
• Indentation in the picture. Cannot be changed via the menu.
• Sound crackles, one channel might be missing, either only loudspeaker or only headphone during tuner and AV.
• Reduced horizontal size. after a while. Pincushion distortion. (+ extract of circuit diagram)
• Line tearing in OSD and TXT. (+ extract of circuit diagram)
• Switches to standby. No start-up from standby with RC. (with circuit diagram extract)
• Geometry adjustment.
• No horizontal deflection. (+ extract of circuit diagram)
• Picture becomes narrower until it disappears. (with circuit diagram extract)
• Eco mains switch (indicated only if a eco mains switch is fitted)
• Clicking noise. in standby. (part of circuit diagram displayed)
• No AV 3 camera picture.
• Only works correctly in position AV3 with RC.
• Dark picture. after a few seconds. Flyback lines. at top. (picture attached)
• How to cancel volume offset.
• AFC reference alignment.
• Red LED and program display are flickering, if appliance is switched on from standby.
• Sound at only half volume.
• EPROM version number
• No TXT.
• No horizontal or vertical deflection. LED blinks .
• E/W fault. (part of circuit diagram displayed)
• After approx. 10 min. brightness oscillations. Screen grid voltage changes with approx. 30V, independently from picture content.
• Moire pattern. (226926 tips)
• Afterglow at switch off. (+ extract of circuit diagram)
• Reduced vertical size at bottom. (part of circuit diagram displayed)
• Cannot be started. LED switches off when starting and remains off. (extract of circuit diagram attached)
• Appliance switches to standby or eco switch switches off. After it is switched on again everything OK. Knock sensitive. (extract of circuit diagram attached) (226926 tips)
• Channel sites 17, 18, 19 and 20 are overwritten with the adjustments of channel site 1.
• Maximum programme number (REVERSING POINT).
• Ticking from loudspeaker after a while, getting louder (extract of circuit diagram attached)
• No RC functions. intermittently.
• No raster. after a few seconds. Standby LED flashes .
• Reduced vertical and horizontal size. Vertical line. (+ extract of circuit diagram)
• ATS start
• Whistling from PSU. (226926 tip from HANSEATIC)
• Dead. Standby LED lit .
• No picture. at top. (with circuit diagram extract) (226926 tip from HANSEATIC)
• No picture. when cold.
• No picture. at top. Horizontal lines. in the centre. (part of circuit diagram displayed)
• Horizontal collapse. Vertical collapse. (picture attached)
• No horizontal synchronisation. Distorted picture.
• Excessive brightness. (with circuit diagram extract)
• Black screen. at top. (+ extract of circuit diagram)
• No blue. (part of circuit diagram displayed)
• Switches off by itself. depending on picture content.
• Pincushion distortion. at top. (+ extract of circuit diagram)
• Picture becomes darker, it disappears after a while.
• No picture. intermittently. Reduced horizontal size. (extract of circuit diagram attached)
• E/W fault. Excessive horizontal size. Pincushion distortion. (+ extract of circuit diagram)
• No horizontal deflection. intermittently. No vertical deflection. (part of circuit diagram displayed)
• E/W correction fault. No line amplitude.
• Shuts down. (part of circuit diagram displayed)
• Horizontal output stage pumps.
• Reduced raster size. No picture. after a while. (part of circuit diagram displayed) (226926 HANSEATIC repair tip)
• Black screen.
• Enable Hotel mode.
• Switches to protection mode. intermittently. (+ extract of circuit diagram)
• Fades out or very dim. (extract of circuit diagram attached)
• Menu and TXT insertions torn. (+ extract of circuit diagram)
• Enter service mode.
• Poor focus.
• Switches to standby in full operation, then it can't be switched on via power switch.
• Flyback lines. at top (after a few minutes). (part of circuit diagram displayed)
• No picture. intermittently. Switches to standby. Standby LED lit . (with circuit diagram extract)
• Black bar on the right edge of picture, which becomes wider and wider. Sound OK.
• Flyback lines. on upper half screen. (+ extract of circuit diagram)
• No start-up from standby.
• Audio fades. No picture. (part of circuit diagram displayed)
• Dark picture. after a few minutes.
• Switches automatically to videotext mode. Sound OK. If any key is pressed on RC or user control picture reappears.
• +A Voltage alignment (part of circuit diagram displayed)
• No ATS search function for satellite and terrestrial range. (part of circuit diagram displayed)
• Blue picture. Flyback lines.
• Reduced raster size. Switches to standby. (with circuit diagram extract)
• One colour missing. (226926 tips)
• Screen grid voltage adjustment.
• White line at top of picture. (extract of circuit diagram attached) (226926 tip from HANSEATIC)
• Repeated failure of vertical ICs (TDA8350). (with circuit diagram extract)
• PSU pulsates and appliance starts occasionally for 2 mins then goes into standby. PSU starts to pulsate again when started up again. (with circuit diagram extract)
• No audio (intermittently). (picture attached)
• No decoder function. (with circuit diagram extract)
• No E/W correction. (picture attached)
• Hiccuping at switch on. OK in standby. (part of circuit diagram displayed)
• Settings at the HF programme positions. (226926 tip from HANSEATIC)
• E/W equalizer fails at irregular time intervals. (picture attached) (HANSEATIC - 226926 information)
• No RC functions (intermittently). (part of circuit diagram displayed)
• Picture sharpness alignment
• Initialisation of IC830 after replacement
• No video signal and sound via inserted SAT module SER6350.
• Bright picture. Brightness varies.
• Excessive vertical size. intermittently. (part of circuit diagram displayed)
• Difficulties switching programs. Picture disappears completely after a short while. 3 RGB lines in upper picture half. (CUT-OFF) (226926 tips)
• RGB output stage fails. (picture attached)
• Tuner-AGC alignment (HANSEATIC - 226926 information)
• No picture. Audio OK . (with circuit diagram extract)
• Intermittently unstable picture and TXT via tuner. Ok via AV. Tempearture sensitive.
• No picture. at top (intermittently).
• Calling up the service menu with "HOTEL MODE ON"
• No vertical deflection. Horizontal stripe. (with circuit diagram extract)
• No audio. Noise in audio. only on certain channels. (with circuit diagram extract) (226926 tips)
• Tube does not switch on and no sound at switch on. EHT heard for a short time. Red LED lit. (picture attached)
• No picture. via SCART.
• Dead. Clicking noise. (extract of circuit diagram attached)
• Upper picture part drops intermittently out. Intermittently stripe in picture or picture is dark. (extract of circuit diagram attached)
• No start-up. (extract of circuit diagram attached)
• Picture is approx. 2cm folded over at the top. Black stripe above that.
• Reduced vertical size. Pincushion distortion. (part of circuit diagram displayed)
• No start-up. LED blinks . (extract of circuit diagram attached) (226926 tips)
• Horizontal jitter. (with circuit diagram extract) (HANSEATIC - 226926 information)
• Reduced vertical size at top. (part of circuit diagram displayed)
• Picture shifted vertically. at bottom. (picture attached)
• Repeat failure of PSU. (part of circuit diagram displayed)
• Flickering picture. Brightness varies. (+ extract of circuit diagram) (service info for HANSEATIC -226926)
• Video level alignment
• Dark picture. after a few minutes. Audio OK . (extract of circuit diagram attached)
• No red.
• Horizontal jitter. at top. Horizontal lines. at top. (with circuit diagram extract)
• No picture, program display functions but knock sensitive. (extract of circuit diagram attached) (service info for HANSEATIC -226926)
• Switches to standby. after a few minutes. (picture attached)
• Horizontal line and vertical deflection faults. (extract of circuit diagram attached)
• Dark picture. at bottom (intermittently).
• Blurry picture.
• R503 repeatedly blown after turning on. (extract of circuit diagram attached)
• Picture problem according to the reception region. No Canal Plus decoding or flag effect on Herzian channels. (226926 tip from HANSEATIC)
• Switches sporadically to AV3. (226926 HANSEATIC repair tip)
• Picture becomes black from the right to the left. (picture attached)
• PSU oscillates in standby. When turning on by RC it begins to trip. Red LED at switch flashes.
• Energy saving PSU switch trips and it cannot be turned on from PSU, because relay goes on and switch trips.
• PSU pulsates. (+ extract of circuit diagram)
• No or intermittently no sound. Volume OSD is shown and adjustable. (picture attached)
• No picture after approx. 10 mins.
• "OSD-ON/OSD-OFF" for all programmes.
• ATS reset
• Loading the EMERGENCY DATA
• No functions. No display. (part of circuit diagram displayed)
• Programme lock (SECURITY CODE)
• Dark picture. intermittently. (picture attached)
• No sound. Sound is present when adjusting sound. (+ extract of circuit diagram)
• TXT is displayed automatically. (picture attached)
• E/W fault. Excessive horizontal size. intermittently. (picture attached)
• Settings at the AV programme positions.
• Picture becomes briefly dark on the right hand side, the dark bar differs in width.
• Picture narrows and disappears.
• Colour match alignment (HANSEATIC - 226926 information)
• Line sharpness alignment (226926 HANSEATIC repair tip)
• Pictue becomes smaller vertically until screen is dark intermittently. Then only rainbow colours by increasing UG2.
• No green.
• Excessive horizontal size. (extract of circuit diagram attached)
• Geometry fault.
• Horizontal line. in the centre (in standby). (with circuit diagram extract)
• Eco power switch comes out intermittently and afterwards switches on poorly.
• Intermittently horizontal stripe after warming up. Picture is dark without aerial signal. (with circuit diagram extract)
• R503 burnt. (picture attached)
• No picture. No audio. intermittently. OK via SCART . (+ extract of circuit diagram)
• Can't store geometry settings. (extract of circuit diagram attached)
• Volume Offset
• Wavy channel display. (extract of circuit diagram attached)
• Flyback lines. at top. (part of circuit diagram displayed) (226926 tips)
• Storage of analogue values
• Vertical foldover at top. (part of circuit diagram displayed)
• Horizontal size varies. (with circuit diagram extract)
• Picture is out of alignment in lower part of screen. Flyback lines in upper part of screen.
• Bridge coil L511 alignment (part of circuit diagram displayed)
• Contrast becomes gradually poor after short operation time, until picture becomes completely dark.
• Pushbutton loosens after triggering the energy saving mains switch.
• Picture gets wider or more narrow when changing picture.
• ECO switch comes out immediately or after working for a long time. (+ extract of circuit diagram)
• No RC functions. after a while.
• Dark picture. intermittently. Audio OK .
• Difficult start-up or no start-up when cold. When it starts up, it switches to standby or picture is present with no sound and no RC immediately after knocking chassis slightly.
• Only half a picture present.
• H sync fails when channels are frequently changed, in particular between satellite and terrestrial. Colour fails occasionally. Picture occasionally collapses to 20x20cm size. Fault also via scart.
• No red. after a while.
• No colour. OK via SCART . (part of circuit diagram displayed)
• AV Settings (for each individual programme)
• Problems with FBAS signal.
• Horizontal lines. Crackling audio. when cold. (picture attached)
• Disable child lock.
• 30cm ring on screen at switch off. Also more dust particles tend to cling there. (+ extract of circuit diagram)
• No picture. (extract of circuit diagram attached)
• No picture content. Picture content may appear briefly when changing channels (extract of circuit diagram attached)
• Poor switch-over of LNB polarity.
• Spontaneous display of TXT and OSD info. (extract of circuit diagram attached) (226926 tips)
• East/West fault, after a few days it doesn't function at all. (+ extract of circuit diagram) (HANSEATIC - 226926 information)
• Standby LED flashes after switch on. Functions ok after some time in this mode but economy switch trips intermittently.
• Vertical linearity oscillates in lower picture area at irregular intervals.
• PSU hiccups.
• Precautions when removing or refitting the chassis.
• White sparkles at upper part of screen.
• White balance adjustment.
• Vertical bar. on the left.
• Dark picture. Audio OK . (+ extract of circuit diagram)
• Dark picture. at top.
• Dark picture. Flickering picture. (extract of circuit diagram attached)
• Screen is purple.
• White screen. Lines in picture. (226926 tip from HANSEATIC)
• No CRT drive. Sound OK. Deflection present
• No HV. (extract of circuit diagram attached)
• Replacing transistors BC858A and BC858B.
• Very delayed brightness after switch on (up to 1 min).
• Line tearing in TXT when warm. Picture becomes later black. Chassis frame is knock sensitive.
• Timer is not accurate.
• Switches to standby. Red LED blinks. (picture attached)
• Disable hotel mode.
• TEA5101 on RGB module fails repeatedly.