348570 PHILETTA1102 / HANSEATIC [TV]

• Picture ringing plus herringbone pattern and no teletext.
• Failure of line output transistor. (+ extract of circuit diagram)
• Header line missing.
• Dark picture. (part of circuit diagram displayed)
• No line drive. (extract of circuit diagram attached)
• Horizontal white lines moving from bottom to top of picture. Lines become more apparent when warm.
• Does not change channels. (extract of circuit diagram attached) (service info for HANSEATIC -348570)
• No video signal and no sound.
• Channel display showing 3 then F1. (+ extract of circuit diagram)
• TXT in picture after approx 30 mins. (348570 tips)
• Dark screen.
• Very bright line across screen. (+ extract of circuit diagram) (348570 tips)
• Reduced vertical size. at bottom.
• Power supply does not start up. Occasional beeps or whistles.
• Focus problems. (extract of circuit diagram attached)
• Picture tube panel adjustments.
• Impurity and lines at switch on. (348570 HANSEATIC repair tip)
• Station cannot be adjusted.
• Buzz on quiet sound passages. (picture attached)
• Buzzing from PSU. (picture attached)
• Picture pulling/tearing. Ragged edge. Picture bounces. OK when appliance warmed up.
• In TXT the picture is black and sometimes coloured lines. TV picture is ok.
• Starts. Sound is weak (buzz). BW picture only on two channels.
• No front panel function. (+ extract of circuit diagram)
• Lines plus fluttering mainly at top of picture. (service info for HANSEATIC -348570)
• Motorboating in the power supply. (part of circuit diagram displayed)
• No vertical deflection (intermittently).
• Blank raster.
• Vertical roll. (service info for HANSEATIC -348570)
• Field scan reduced to half an inch in the centre of the screen. (picture attached)
• Character error.
• Waves in picture and white spots.
• Shuts off on play, all operation functions are blocked, loss of memory. (+ extract of circuit diagram)
• Chirping. in standby. (with circuit diagram extract) (HANSEATIC - 348570 information)
• Memory loss. (part of circuit diagram displayed)
• No picture. (picture attached) (348570 HANSEATIC repair tip)
• No picture and just traces of sound. (with circuit diagram extract)
• No RC functions. (+ extract of circuit diagram)
• No picture, no sound, intermittently hum from speakers.
• Width control varies when brightness adjusted. (part of circuit diagram displayed) (HANSEATIC - 348570 information)
• Does not memorize the stations. Remote control does not function. (part of circuit diagram displayed)
• No vertical deflection. (+ extract of circuit diagram)
• Channel drift, volume increases. F1 on display. (with circuit diagram extract)
• Failure of BUT11A. (picture attached)
• Black screen.
• When switching off with the mains switch the customer gets an ESD/shock.
• Over-voltage circuit active. (+ extract of circuit diagram)
• The display shows F1. (with circuit diagram extract)
• No picture content and no sound. Buzzing if volume increased.
• Low cvbs output.
• No tuning. (picture attached) (HANSEATIC - 348570 information)
• Vertical line (V-lock).
• Appliance can only be switched on once every 10 times. Otherwise loud pulsating can be heard in the speaker. If it runs then picture and sound are perfect. (348570 tips)
• No video picture or sound. Search functions correctly.
• Low buzz on sound.
• Wide, bright, horizontal stripe.
• Reduced vertical size. (picture attached)
• Raster reduced by 2cm and covered with black lines.
• Disable hotel mode.
• During switch-off there is a bang and the sound crackles. The standby light remains lit up.
• Jitter and stripes at top. (HANSEATIC - 348570 information)
• After approximately 5 minutes the sound fades. (with circuit diagram extract)
• No raster. (348570 tips)
• No start-up. intermittently. (part of circuit diagram displayed)
• No raster or sound. F1 in display.
• After a while small black dots appear which then turn into rectangles and picture finally goes dark.
• Lines in picture. (+ extract of circuit diagram)
• BUT12A S/C.
• Starts up but no control after 30 mins and changes channels by itself.
• E/W fault.
• No standby LED. Just noise from speaker at switch-on via mains. (348570 tip from HANSEATIC)
• No TXT header line. (part of circuit diagram displayed)
• Dead. (picture attached) (348570 HANSEATIC repair tip)
• No picture. No display. (picture attached)
• No start-up (when cold). (+ extract of circuit diagram)
• Top of the raster is folded over. (+ extract of circuit diagram)
• Reduced vertical deflection.
• Line pulling and field jitter.
• Memory battery drains over several days.
• No audio (intermittently). (with circuit diagram extract)
• Intermittent tuning drift. Sometimes takes a few seconds to lock-in after the appliance is first switched on.
• Failure of BUT11AF (7619). (part of circuit diagram displayed)
• Pulsing when standby is pressed.
• The display shows F2. (+ extract of circuit diagram)
• Picture bending at the top on pre-recorded tapes. (348570 tips)
• uP + screening.
• Chopper BUT11AF S/C. Fuse blown.
• Poor PSU start-up. Beeps. After few restarts, or when wams up, PSU starts up OK.
• U743 tuner replacement.
• No tuning. only on certain channels.
• Display flickers. (with circuit diagram extract)
• Flickering picture. on sides (after warm-up).
• Flickering picture. (part of circuit diagram displayed)
• 1 then F1 in the display.
• Corruption of TXT header line. (part of circuit diagram displayed)
• Replacing control IC7840.
• Defective horizontal linearity in the centre of the screen. (+ extract of circuit diagram) (348570 tip from HANSEATIC)
• Slow start-up. when cold. (+ extract of circuit diagram)
• During bright scenes picture pulls in. (extract of circuit diagram attached)
• Teletext problem with Photo-CD.
• Microprocessor screening plate.
• Appliance is dead; number 3 shows then changes to F1. (+ extract of circuit diagram)
• Humming noise in operation when appliance was switched off at mains switch from standby and then switched on again from standby.
• No audio. No picture. Fault occurs intermittently. . (+ extract of circuit diagram)
• Blocked in AV. Display shows "E".
• Dark raster. (picture attached)
• The teletext decoder does not function. (+ extract of circuit diagram)
• Low audio.
• Alternative 21" picture tubes.
• Patterns in picture. via RF output. (+ extract of circuit diagram)
• Excessive vertical size. Squealing from PSU.
• Optimal values are not stored any more. After switching on only picture without colour, no sound. With the remote control the saturation and volumes can be adjusted. (348570 HANSEATIC repair tip)
• Immediately after starting tuning search, the number of programme is displayed and tuning search stops.
• Protection mode activated.
• Flashing lines on picture when cold.
• Serrated picture at start-up. Fault disappears after warming up.
• Dot pattern. (extract of circuit diagram attached) (348570 tip from HANSEATIC)
• Horizontal stripes on the top of the picture, then in the whole picture, depending on signal amplitude [Failure appears only in HF mode).
• No TXT, skip is empty continuously. (picture attached)
• If the set is switched off when warm it won't come on again until it has cooled down. By using the remote control unit it switches off but not to standby, only a slight whistle being heard. (picture attached)
• Difficult to switch on.
• Searches for channels continuously.
• Loud buzz in the standby mode. (part of circuit diagram displayed)
• Picture size varies with picture content.
• 2A fuse blown.
• Blows fuse. (part of circuit diagram displayed)
• TV cannot be put in standby using the remote. (+ extract of circuit diagram)
• The appliance does not start up or after operating for sometime the power supply squeaks. (with circuit diagram extract)
• Tripping (intermittently). Patterns in picture. (picture attached)
• Distorted audio (after a few minutes). (part of circuit diagram displayed)
• Low contrast. (with circuit diagram extract)
• White screen. No picture (intermittently).
• Horizontal deflection is defective, only a line in the picture. (with circuit diagram extract)
• Line output transistor (BU11AF) fails after a few seconds.
• New type stands.
• Black picture. Thick spot at switch off. Sound OK.
• Cogging or ragged verticals. (part of circuit diagram displayed)
• No picture, small vertical line, sound OK.
• Width flutters in and out. (+ extract of circuit diagram)
• The picture is too small and contrast cannot be controlled. (348570 tip from HANSEATIC)
• No channels. No RC functions. OSD OK .
• Intermittently goes brighter with flyback lines.
• Thin lines on picture, with video edge tearing. No vertical sync.
• No horizontal deflection.
• Severe vibration. (picture attached)
• No picture and sound. OK after warming up.
• Vertical jitter (intermittently). (HANSEATIC - 348570 information)
• No vertical scansion (dark screen with horizontal line through the centre). (+ extract of circuit diagram)
• Low garbled sound.
• Very low 1/2" field scan. (with circuit diagram extract)
• TXT clock changes time every 5 or 10 secs. Partial or complete loss of pages.
• Picture is vertically unstable and cramps.
• Poor picture. only on certain channels. (348570 tips)
• Line ringing on picture.
• Works OK for about 1 hr then no more commands accepted.
• The lines in TXT are missing. (picture attached)
• Squealing from PSU (when cold). (picture attached)
• Service note.
• Intermittently dead. (picture attached)
• Striations, interference, lines torn.
• Poor audio. (part of circuit diagram displayed)
• White screen. Flyback lines.
• Intermittent E/W distortion. Only snow. No response to RC and operating unit.
• No vertical deflection. Audio OK .
• Corrupted display. (picture attached)
• Picture becomes black spontaneously. Reacts to RCU, but no changes. TXT does not function, TXT letters appear in picture.
• Brightness varies.
• No front panel and RC functions. No program number.
• Switches to TXT model intermittently (model 21CE1550) (extract of circuit diagram attached)
• Switches to standby. after a few seconds. (part of circuit diagram displayed) (348570 tip from HANSEATIC)
• White picture with flyback lines, every few hours picture returns to normal.
• Intermittent failure of T7677 BUT11AF.
• No A1.
• Picture appears slowly. Audio OK .
• Horizontal herringbone and lines on various channels, especially playstation and sometimes just one channel.
• The picture has been shifted and the width control does not work. (picture attached)
• Channel selector not working, LED not lit. No tuning.
• Dead. Front LED is dark.
• Partial frame collapse, very bright screen. (+ extract of circuit diagram)
• Only finds 2 channels when tuning, without colour.
• Tripping. (picture attached)
• The picture image is too small or shows lines. (extract of circuit diagram attached)
• Excessive horizontal size.
• Safety test after repair.
• Vertical collapse. (extract of circuit diagram attached)
• Poor line linearity at centre of screen. (picture attached)
• If set switches off when hot then switched on again it sometimes stays in the standby mode. (part of circuit diagram displayed)
• At switch-on ticking in audio. Standby LED is on.
• The power supply unit clicks, BUT12A blows continuously.
• Crackling audio (intermittently). (extract of circuit diagram attached)
• The picture is wobbly.
• Unstable picture. after a while. (348570 HANSEATIC repair tip)
• Horizontal BUT is defective. (part of circuit diagram displayed)
• BUT11AF chopper S/C.
• 95 volts varying with contrast level. (+ extract of circuit diagram)
• Poor RC sensitivity.
• Picture appears slowly. (extract of circuit diagram attached) (348570 tips)
• No start up. Display lights up.
• Intermittent white raster.
• No signals or display. (picture attached)
• Excessive brightness. Audio OK .
• Picture tearing. Tuner drifts. (part of circuit diagram displayed)
• No TXT. (with circuit diagram extract)
• The display shows F3. (348570 tip from HANSEATIC)
• LED stays on after switching off with the mains out of standby. (+ extract of circuit diagram) (348570 tip from HANSEATIC)
• BUT11 is s/c. (with circuit diagram extract)
• BUT11AF line output transistor blows every few days, if preceded by line tearing.
• Testing the power supply.
• Reduced horizontal deflection.
• High buzzing sound in standby. (picture attached) (service info for HANSEATIC -348570)
• Herringbone pattern on picture from cold. (picture attached)
• Serrated picture at start-up.
• Vertical shaking.
• Stuck in standby. (picture attached)
• Intermittently dead. Chopper transformer whistles. OK when switched OFF/ON. (with circuit diagram extract)
• TXT header corrupted. (part of circuit diagram displayed)
• 50Hz hum in audio.
• Switches off by itself. (with circuit diagram extract)
• No results with a pulsing power supply. (part of circuit diagram displayed)
• Horizontal line.
• Picture patterns on RF; OK on scart input.
• Interferences in picture. Picture OK when warming up.
• No start-up. after warm-up. (with circuit diagram extract) (HANSEATIC - 348570 information)
• No front LED display. (picture attached)
• Horizontal streaks.
• Bright white picture. No sound. Channel search system keeps searching and does not stop. (with circuit diagram extract)
• Multiple defects of the BUT11AF.
• On right border of screen TXT horizontally unstable and dark areas. (with circuit diagram extract)
• Tuning unstable. (extract of circuit diagram attached)
• White screen. Audio OK .
• No colour.
• Dot pattern visible in grey areas of picture. (part of circuit diagram displayed)
• No horizontal synchronisation (when cold).
• No picture. No sound. Just whistling sound.
• Cannot switch to A/V.
• Bouncing picture.
• Appliance does not switch on. 2A fuse blows continuously.
• Loss of horizontal and vertical sync. After 30 minutes the picture OK without sound. (348570 tip from HANSEATIC)
• No start-up. (348570 tips)
• Starts slower than usually and only after switching on repeatedly.
• Rolling hum lines after a while. Intermittent shutdown.
• Teletext is not selected, however it comes through the signal; Black picture when TXT is switched on. (with circuit diagram extract)
• Slow start-up.
• Intercarrier hum.
• The appliance has a burning smell before switching off.
• Contrast is low after flashover. (part of circuit diagram displayed)
• Switches to protection mode (intermittently).
• Function knobs on CTV fail. (+ extract of circuit diagram)
• Hum in audio.
• Vertical line (hold).
• Brightness varies. via AV. (extract of circuit diagram attached)
• Jamming in RF and SCART modes.
• Picture pulls in on bright scenes. (+ extract of circuit diagram)
• 95V voltage varies in accordance of contrast and luminosity adjustment.
• Reduced horizontal size. (part of circuit diagram displayed)
• Horizontal size varies.
• The line transistor BU11AF always breaks down after a few seconds. (+ extract of circuit diagram)
• Intermittent lines on screen. Fuzzy picture.
• Line output transistor T7619 repeatedly fails.
• Switches to protection mode (after warm-up).
• Strange characters on TXT. Numerical characters turn into letter.
• The stations go off, the sound goes loud and F1 shows in the display. (with circuit diagram extract)
• Distorted (frizzy) vertical lines.
• The TV does not switch on; the display remains blocked on E-; the analogue functions are regular like the tuning and the memorization.
• Skips channels during tuning.
• Line folding in middle, when cold. OK after 2 mins. Possibly destroys line output transistor every few days. (with circuit diagram extract)
• Switches on. F1 on display after a few secs. (with circuit diagram extract)
• No colour (intermittently).
• Main microprocessor IC7720 (TMP74C434N) is defective. (348570 tip from HANSEATIC)
• No start-up from standby with RC.
• Intermittent E/W pincushion. Only snow. No response to RC and operating unit. (picture attached)
• Different types of picture tubes CP90.
• Only half inch field scan in centre of screen. (picture attached) (HANSEATIC - 348570 information)
• No audio. Picture OK . (picture attached)
• No picture. Audio OK . (picture attached) (HANSEATIC - 348570 information)
• No line oscillator function. (part of circuit diagram displayed) (HANSEATIC - 348570 information)
• Reduced vertical and horizontal size. (part of circuit diagram displayed)
• No number or standby display.
• Bright horizontal bars on picture. More evident when cold.
• Audible hum in standby.
• The display shows FO.
• When switching channels quickly, memory switches from 11 to 01. (+ extract of circuit diagram)
• No RC functions (intermittently).
• Program settings are partly lost. Does not respond to RC after half an hour.
• No synchronisation.
• Dead. Went off with a flash.
• No display. No functions. Snow in picture. (with circuit diagram extract)
• When brightness control is adjusted the width alters. (with circuit diagram extract)
• TXT lines in picture.
• Poor picture. Line and frame pulling.
• Channel search does not stop. A few channels can be programmed, other channels block in memory and the channel search begins to run automatically. An identification signal is given up to the processor.
• Problems with FLOF TXT (Fastext). Does not find page 811. TXT header remains on subtitles.
• Low HT with noise from power supply.
• Dead. intermittently. (extract of circuit diagram attached) (348570 tip from HANSEATIC)