20GR105555R / PHILIPS [TV]

• No tuning or on screen tuning display. (20GR105555R PHILIPS repair tip)
• Using a lamp as a load.
• Reduced horizontal size. (with circuit diagram extract)
• Does not start up. Light buzz from loudspeaker. Standby LED produces one brief blink.
• Sometimes when turned on, green screen only with flyback lines, at other times no tuning and channel will not change. (+ extract of circuit diagram)
• Height excessive. Defective linearity. Field blanking. (with circuit diagram extract)
• Cannot change tuning or stored settings. (extract of circuit diagram attached)
• White balance adjustment. (service info for PHILIPS -20GR105555R)
• No start-up. Standby LED flashes .
• Hazy flickering picture at top. (extract of circuit diagram attached)
• Slow hiccup (+ extract of circuit diagram)
• To put into hotel mode.
• No HV.
• After replacement of the line output transistor BUT12, picture with trapezoid effect, BUT12 overheats and goes defective again. (part of circuit diagram displayed)
• Very slight vertical foldover with interferences similar to EHT arcing, especially on very white scenes. (20GR105555R tips)
• Does not start up at once from cold.
• No sound. No picture. Faint motorboating noise.
• PSU does not start up, if appliance was switched off for a day. Appliance functions after short switch on/off. (part of circuit diagram displayed)
• No function. Motorboating from PSU. TV starts up randomly. Intermittent fault.
• Bell filter adjustment procedure.
• Dead when switched on via mains switch. Though appliance is on, red LED flashes. Can be switched over to standby. If left in standby for 1 hour and then switched on via RC, functions.
• No audio.
• No tuning. (extract of circuit diagram attached)
• No power with abnormal sound. (with circuit diagram extract)
• Poor reproduction of copy protected tapes. (with circuit diagram extract)
• U743 tuner replacement. (picture attached)
• PAL colour amplitude adjustment procedure.
• Colour disappears with VCR-scan (picture search). (picture attached)
• Reduced vertical size. at top. (20GR105555R tip from PHILIPS)
• After operating for one hour it is no longer possible to switch over programmes not even from the front panel. Appliance must be switched on and off then it is possible to change channels.
• No colour.
• Line tearing. on lower half screen. (extract of circuit diagram attached)
• When switching on, only a 10cm stripe on top of screen, the rest of screen is black with flyback lines. After a while, stripe becomes wider. (with circuit diagram extract) (20GR105555R tips)
• Vertical amplitude cannot be fully adjusted, TXT lines can be seen. (extract of circuit diagram attached)
• Blue picture. Coloured lines.
• No vertical deflection. (part of circuit diagram displayed)
• Initial volume level is higher than maximum Hotel mode setting. (service info for PHILIPS -20GR105555R)
• Dead. (+ extract of circuit diagram)
• Does not switch on, standby LED OK.
• Switches off by itself. after a while. (+ extract of circuit diagram)
• No picture. No sound. Purring sound in loudspeaker. (+ extract of circuit diagram)
• No start-up. when cold. (picture attached)
• Green screen with flyback lines. Green oscillations. Noise as if HV leaky on picture tube base. (part of circuit diagram displayed) (20GR105555R tips)
• Focus adjustment.
• Production change to line drive. (with circuit diagram extract)
• Stuck in hotel mode.
• No regulation. (with circuit diagram extract)
• Colour sync adjustment procedure.
• Doesn't store stations correctly.
• Dead. Power LED is OFF (ON in standby). Hissing from PSU.
• Green picture. (part of circuit diagram displayed)
• No horizontal synchronisation. (part of circuit diagram displayed)
• Only half a picture. (with circuit diagram extract)
• Memory cannot be opened via "rhombus". Stored channels cannot be changed.
• Bright flash on screen. No picture or sound. (+ extract of circuit diagram)
• No picture. TXT OK . (+ extract of circuit diagram)
• No picture (when cold).
• Initial volume level is higher than maximum Hotel mode setting.
• Dead. Low frequency noise on sound.
• After switching on the CTV "EXT...1.2.3..." appears on the screen.
• Change of C2523.
• +9V supply modification. (part of circuit diagram displayed)
• Won't tune a new channel. Won't activate store function. Picture OK. Sound OK.
• No picture. Audio OK . (20GR105555R PHILIPS repair tip)
• No picture, sound ok but on turning up A1 control, frame collapse. (+ extract of circuit diagram) (20GR105555R PHILIPS repair tip)
• Buzz in audio (intermittently). (part of circuit diagram displayed)
• Line output stage does not start up. (picture attached)
• Drive for high voltage missing. (part of circuit diagram displayed)
• Buzz in audio. No picture.
• Quick hiccup. (+ extract of circuit diagram)
• Difficult startup. Rattling sound from line output trafo.
• Trips. (with circuit diagram extract)
• Memory loss. (extract of circuit diagram attached)
• Line transistor 7528 blows within 1 sec. (picture attached)
• Intermittent colour.
• Automatic fine tuning (AFT) field alignment procedure.
• The fuse and the bridge diodes in the power supply blow.
• Does not shut down (when cold).
• To release hotel mode (child lock).
• Strongly distorted sound by low volume.
• Tuning drifts. only on certain channels (after a while).
• Vertical roll. (+ extract of circuit diagram)
• Enable Hotel mode.
• After working normally for a while the TV blocks in any position. The functions do not work.
• Change of C2523.
• "Store" key does not work. (+ extract of circuit diagram)
• Vertical oscillator adjustment procedure.
• Green picture after few hours, intermittently fault disappears for short while when switching from a station to another. Strange characters in OSD.
• No channel search. No OSD. (with circuit diagram extract)
• No functions. when cold.
• Picture only in two bars in upper screen section, the rest is dark. (part of circuit diagram displayed)
• The remote control only controls the volume and sound-stop. No function with On-Off and channel change-over, although the display for the operation flickers.
• Excessive brightness.
• Smeary, washed out picture with bent verticals. (part of circuit diagram displayed)
• Description of SMPS. (picture attached)
• Stuck in standby. (+ extract of circuit diagram)
• No +9V, line output stage is OK. (with circuit diagram extract)
• Picture is mostly green with flyback lines after 10 secs from switch on.
• Cannot be programmed and search does not function. Only limited volume adjustable.
• Slow start up of power supply. (extract of circuit diagram attached)
• Standby LED lights up and switches off at power on. Appliance will not start up.
• Green screen with flyback line. No picture. OSD OK.
• Poor sound, cannot be adjusted louder. When adjusting, sound cuts out. (with circuit diagram extract)
• Buzzing. (PHILIPS - 20GR105555R information)
• Change of C2523.
• No functions. Slow start-up. (extract of circuit diagram attached)
• Sound increases intermittently or "pops", especially during bright scenes. (picture attached)
• No operation.
• Line out of phase. Black band in centre of screen. No colour.
• How to switch off Hotel-Mode:
• Volume change with great fluctuations in brightness. (extract of circuit diagram attached)
• Blank raster. OSD OK .
• V-centre adjustment procedure.
• Blown chopper. (extract of circuit diagram attached)
• Green picture. (20GR105555R tips)
• No switch on after activating mains switch. Whistling noise. (picture attached)
• Intermittently narrow picture, but corrects itself shortly after.
• No tuning, no remote volume control. (with circuit diagram extract)
• Intermittently dead. (+ extract of circuit diagram)
• No start-up. (part of circuit diagram displayed)
• Dead. Only standby-LED works. Responds to TURN ON command, but no image and no sound. (PHILIPS - 20GR105555R information)
• Appliance is dead with standby LED flashing after a few seconds. (+ extract of circuit diagram)
• Set dead with just 5V on the 95V line. Standby LED is on but set won't start. (extract of circuit diagram attached)
• Picture is faint with hanover bars. (extract of circuit diagram attached)
• Line output stage TS7528 is defective. (+ extract of circuit diagram)
• LED flashes once, then gurgles. (picture attached)
• No audio.
• Only some programs with snowy picture can be tuned and on band 1 missing some programs. (picture attached)
• Adjustment of +95V. (with circuit diagram extract)
• Crackling and popping in sound after a short time.
• Programs and PP-settings cannot be changed.
• Slight foldover at upper part of picture if appliance is switched on when cold. Fault disappears after few minutes. (part of circuit diagram displayed)
• No functions. Hum in loudspeaker. No LED lit.
• Replacement of TDA7052 with a TDA7052A.
• Hotel Mode activates by itself. (part of circuit diagram displayed)
• No tuning possible, F2 appears on bottom of picture and S1 on top. (20GR105555R PHILIPS repair tip)
• Modification at line transformer position 5530. (with circuit diagram extract) (20GR105555R tip from PHILIPS)
• Buzzing from PSU. when cold. (picture attached)
• 10V on 95V line. (picture attached)
• Spurious nonsense OSG. Goes to standby after 0.5-2hrs. Loss of tuning. (service info for PHILIPS -20GR105555R)
• Set goes accidentally into hotel mode.
• Comes on in standby. When program button pressed standby lamp blinks then goes off.
• No audio.
• Tuning drift, when it is hot the tuning is lost on channel change.
• Line tearing, especially with bright scences. (part of circuit diagram displayed)
• Difficultly in tuning to correct position.
• No line start up; +95 available; +9V is about 4.5V. (picture attached)
• No function, starts up from standby, then goes out.
• No tuning bar when install button pressed and set not in hotel mode. (extract of circuit diagram attached) (PHILIPS - 20GR105555R information)
• Appliance does not function with standby light flashing.
• No tuning. No channel lock. (with circuit diagram extract) (20GR105555R tips)
• Correction to service manual LOT winding.
• Initial volume level is higher than maximum hotel mode setting.
• Colours flicker and disappears.
• Tuning drifts. only on certain channels.
• Picture shifted horizontally. (+ extract of circuit diagram) (service info for PHILIPS -20GR105555R)
• Dim picture with Hanover bars.
• How to reset microprocessor.
• Microprocessor screening plate. (extract of circuit diagram attached) (service info for PHILIPS -20GR105555R)
• No audio.
• The tone (sound) tunes well, but the volume cannot be raised.
• No functions, hum in loudspeakers. (with circuit diagram extract)
• Control panel cover. (20GR105555R tips)
• Unregulated power supply. Pulsating picture and surging sound. (part of circuit diagram displayed)
• Error messages indicated by front display flashing. (part of circuit diagram displayed)
• Chopper inoperative. (part of circuit diagram displayed)
• Connection of a loop system to the TV.
• Green picture.
• Initial volume level is higher than maximum Hotel mode setting.
• PSU switches off with load at U95V. (part of circuit diagram displayed)
• Search jumps on UHF.
• Intermittent audio and picture. (with circuit diagram extract)
• Failures in the power supply. (picture attached)
• Tuning menu can not be called. All other functions OK.
• Line output stage only starts up for a short time. (+ extract of circuit diagram)
• No colour and vertical black bar across screen.
• Unable to tune or set volume in Prefix mode.
• Tuning drifts. (+ extract of circuit diagram)
• Intermittently no picture and sound at switch on. Buzz from speaker. (part of circuit diagram displayed)
• Vertical size varies. intermittently.
• No tuning.
• How to switch off Hotel-Mode.
• Stops working every 2 or 3 hrs. Only starts again after switching off and on again.
• Comes on for a short time.
• Bright flash on screen and no picture or sound after a few minutes. (+ extract of circuit diagram)
• Intermittently dead. after start-up.
• How to de-activate volume limiter.
• Local controls inoperative.
• No start up from cold and humming.
• Colour amplitude and phase adjustment procedure.
• Unstable tuning.
• Poor synchronisation. when cold. (+ extract of circuit diagram) (PHILIPS - 20GR105555R information)
• Does not regulate +95V.
• Line output transistor running hot. (extract of circuit diagram attached)
• Excessive HV. after a while.
• Skips channels during tuning. only on certain channels.
• No HT from chopper circuit. (picture attached)
• Reluctant to start up from cold.
• Green picture with retrace lines. After a few restarts picture OK.
• No start-up. Buzzing from speakers and working noise of PSU. (20GR105555R tip from PHILIPS)
• Vertical collapse. (part of circuit diagram displayed)
• LED does not flash. Slight buzz in appliance. (picture attached) (20GR105555R tips)
• Delay RF AGC adjustment procedure.
• Sound motorboating when cold. (picture attached)
• Frame has shifted sideways. Appliance whistles and does not oscillate correctly. (+ extract of circuit diagram)
• Red picture. Flyback lines.
• Picture passes out in the centre.
• Memory content dropout at positions 4 and 5.
• No colour.
• Skips channels during tuning. (part of circuit diagram displayed)
• Intermittent colour and intermittent dark vertical bar on picture.
• Whistling from PSU. (extract of circuit diagram attached)
• +B very high. (extract of circuit diagram attached)
• Green raster. Faint picture. Flyback lines.
• Programming unoperational. Limited sound adjustment possible.
• Change of C2523.
• Stored channels are partially lost.
• How to switch OFF Hotel-Mode.
• Dead. At switch on the stand by LED flashes.
• New infra red receiver.
• Dead with whistling noise coming from power supply. (+ extract of circuit diagram)
• Blank raster. Flyback lines. (+ extract of circuit diagram)
• The switched-mode power supply cannot be loaded. (service info for PHILIPS -20GR105555R)
• No start-up. intermittently (when cold). (with circuit diagram extract) (service info for PHILIPS -20GR105555R)
• Enable Hotel mode. Disable hotel mode.
• No sound or raster. The 95V HT supply is present at the line output stage but there is no line drive. (+ extract of circuit diagram)
• Limited volume. No channel search.
• Rolling or jittering picture. (part of circuit diagram displayed)
• Menu rolling. (+ extract of circuit diagram)
• No output from the chopper power supply which uses a junction FET, whose gate and source are at 12V while 300V is present at the drain. (+ extract of circuit diagram)
• Whistle. (20GR105555R tips)
• Store lock on the appliance.
• Intermittent colour.
• Vertical line. on the right half screen. (part of circuit diagram displayed)
• Poor sync. AGC fault.
• Volume can't be tuned down. No tuning with RC. (part of circuit diagram displayed)
• Sound goes to max. intermittently and HT varies. (with circuit diagram extract)
• No switch on. Weak whistling noise from PSU. LED is OFF.
• No line output.
• No functions. Standby LED flashes. Relay switches to ON.
• Blank or green raster. Flyback lines. Faint picture or normal picture. (+ extract of circuit diagram)
• Processor numbers (changed).
• Distorted audio.
• Programme tuning difficulty. Stations has shifted on tuning bar.
• Bright picture. Flyback lines.
• PSU peeps +95 is ca 0,8v
• Line output stage does not function.
• Wavy picture. on the right.
• No transmitters to adjust and the sound is not controllable.
• Loud chriping after switch on. It becomes lower after a short time. (service info for PHILIPS -20GR105555R)
• No audio.
• Line output transistor fails repeatedly. (picture attached)
• No picture. (extract of circuit diagram attached)
• Protection device (thyristor THY6641) is triggered at switch on. (with circuit diagram extract)
• Line output transistor becomes warm and in the course of time it becomes defective. (with circuit diagram extract)
• Doesn't tune stations correctly. When cold, crossed lines on low UHF channels. (extract of circuit diagram attached)
• How to de-activate Hotel-Mode:
• How to de-activate Hotel mode.
• Picture fails for a short time. (picture attached)
• Colours flickers and disappears.
• No functions. Sound buzzes in loudspeaker. (with circuit diagram extract)
• Set won't tune to high frequency channels and lower frequency channels appear to be higher. (with circuit diagram extract)
• Set does not retune or program etc
• Power supply does not oscillate. (with circuit diagram extract)
• Buzzing sound then switches off. (20GR105555R PHILIPS repair tip)
• High voltage transistor defective after a while.
• SIF DET adjustment procedure.
• Picture shifts. (picture attached)
• No OSD. Picture OK .
• No standby, humming and standby LED blinks.
• Sound varies with picture content.
• Picture centering has shifted horizontally. No OSD.
• Picture shifted to the left. intermittently. Line tearing. intermittently. (picture attached)
• Excessive horizontal size.
• No voltage from PSU, computer does not work. (+ extract of circuit diagram)
• No sound. Picture OK. After a short time TV stops. High frequency noise from PSU. (extract of circuit diagram attached)
• No tuning. only on certain channels.
• R-Y and B-Y discriminator adjustment procedure. (with circuit diagram extract)
• Error codes.
• Picture shifted to the right. (part of circuit diagram displayed)
• No start-up. intermittently.
• Interference in audio. Interference in picture. (with circuit diagram extract)
• Settings do not stay in position.
• Turns on automatically. No RC or front panel controls. (PHILIPS - 20GR105555R information)
• Appliance hums slightly (no speaker) horizontal end stage and power supply transistor are ok. Unfortunately no service instructions available.
• No voltage from PSU. (+ extract of circuit diagram)
• Volume varies. depending on picture content. (picture attached)
• Slow start-up.
• Dead. Low hum.
• Programme tuning difficulty, stations shifted on tuning bar. (with circuit diagram extract)
• LED switches on then off immediately.
• Line output transistor replacement.
• Blank raster. No audio. after a while. (+ extract of circuit diagram)
• No function at switch on from standby. Switches to LOCK (hotel) mode. (part of circuit diagram displayed)
• Unable to retune set or set analogue levels. Store-lock option may be on "Hotel mode".
• Noise in audio.
• Tripping. (extract of circuit diagram attached)
• Field collapse normally with blank picture. (+ extract of circuit diagram)
• Green picture. after warm-up. Lines in picture. after warm-up. Does not change channels.
• The removal of leaded diodes. (with circuit diagram extract)
• No switch on. Low noise on sound. (with circuit diagram extract)
• Horizontal white line.
• Sound varies with picture content.
• Unstable tuning.
• No audio.
• Poor synchronisation. (part of circuit diagram displayed) (service info for PHILIPS -20GR105555R)
• Colours flickers and disappears. (20GR105555R tip from PHILIPS)
• Dim picture with Hanover bars visible. (picture attached)
• During picture changes sometimes a volume increase (plop) is heard. (extract of circuit diagram attached)
• Random breakdown of line output transistor. (+ extract of circuit diagram)
• Replacement of surface mounted diode 6637. (part of circuit diagram displayed)
• Lines across top of picture about 8" in first 100 lines. (extract of circuit diagram attached)
• No tuning - no channels.
• Excessive vertical size.
• White unmodulated raster. Picture missing. (part of circuit diagram displayed)
• Searches for channels continuously. (with circuit diagram extract)
• Tuning procedure.
• Dead due to action of over voltage protection circuit.
• Noise in sound. Mute does not function. (20GR105555R PHILIPS repair tip)
• Low 5V to micro chip. (+ extract of circuit diagram)
• Identification coil adjustment.
• Field foldover at switch on from cold. Effect disappears when appliance warms up. (part of circuit diagram displayed)
• Change of C2523.
• How to de-activate Hotel-Mode.
• 6613 type change. (part of circuit diagram displayed)
• Colour flickers. No colour. after a while. (extract of circuit diagram attached)
• Stored channels drift off tune briefly after switch on. Crackle in sound.
• Volume goes to max. No volume control.
• No freeze frame or intermittent freeze frame; no sound. (extract of circuit diagram attached)
• Whistling.
• White screen with flyback lines. Excessive brightness which increases until PSU switches to protection mode. (with circuit diagram extract)
• No tuning. Impossible to change analog control adjustments (brightness, sound, etc.). (picture attached) (PHILIPS - 20GR105555R information)
• Sound varies with picture content.
• No colour.
• Does not switch on. LED is lit in standby. If appliance is switched on with RC, LED switches off.
• SOPS defective. (+ extract of circuit diagram)
• Dark picture.
• PSU check. (20GR105555R PHILIPS repair tip)
• Search jumps on UHF.
• How to enter/exit HOTEL mode.
• No function. Standby-LED lights up. Appliance switches on but no picture or sound.
• Secondary main power supply OK except +9V at 5.8V
• No start up, just a buzzing noise in speakers. (picture attached)
• Will not tune, drifts, colour disappears or interference on a certain channel. (e.g. channel 5 and 59)
• Line tearing and rope effect.
• Dead. Only hum from speakers. (with circuit diagram extract)
• Picture appears slowly.
• Defective purity.
• Reluctant to start from cold (extract of circuit diagram attached)
• Control micro processors.
• Intermittent green picture, channels cannot be programmed. (extract of circuit diagram attached) (20GR105555R tips)
• Two lines going around. (+ extract of circuit diagram)
• Dead. Low level buzz from loudspeaker. (extract of circuit diagram attached)
• Fizzling sound from speakers at start-up and intermittently picture jagged.
• To remove store/lock.
• Squealing from PSU.
• CRT types.
• Line chirps intermittently. Appliance does not start. Only hum from loudspeakers.
• No start up. No standby. Attempts to start up, but fails.
• Line output transistor TR7528 fails at switch on.
• Stations won't change. Picture and sound OK. Other functions OK.
• Horizontal hold adjustment procedure.
• No sound or picture. Low hum from speaker. (extract of circuit diagram attached)
• Horizontal oscillator adjustment procedure.
• Dead set. Tries to start.
• No picture and sound. Low hum intermittently, no function.
• Appliance can not be programmed. Search does not function. Only limited volume control.
• Search jumps on UHF.
• No function. When switching on with RC, standby LED lights up. (with circuit diagram extract)
• Loosing colour during play-back of a video tape. (part of circuit diagram displayed)
• No power supply start up in loaded condition (eg. with lamp).
• 95V available. 9V is only 5.2V. Slight buzzing from loudspeakers.
• Intermittent channel drift in UHF. Channel search OK. VHF OK.
• Set comes on in store lock mode. (with circuit diagram extract)
• New IR receiver.
• Humming, motor noise and other unusual noises. Normal picture.
• No colour in OSD.
• Picture separating line appears. Whistling.
• The following production changes were introduced to prevent the set coming on in the store lock mode when switched on from standby. (+ extract of circuit diagram)
• Line down middle of screen. (part of circuit diagram displayed)
• Picture displays lines and strange foldover effect at centre.
• Display goes to F1 a few seconds after switching the set on. (PHILIPS - 20GR105555R information)
• Dead, very slight whistle from PSU.
• Hotel mode.
• Streaks in picture. Picture pulls and rolls intermittently.
• No functions. after start-up (intermittently).
• No picture. No audio. (part of circuit diagram displayed)
• No audio.
• No picture. OSD OK .
• Hums softly. (with circuit diagram extract)
• No function. Standby LED flashes briefly. (part of circuit diagram displayed)
• Power supply fault finding. (extract of circuit diagram attached)
• Replacing the EAROM. (with circuit diagram extract)
• Service manual correction. (with circuit diagram extract)
• Stops at start up. (+ extract of circuit diagram)
• Unstable tuning.
• Low frequency noise on sound.
• Green screen and at other times no tuning. (extract of circuit diagram attached)
• Switches to standby. (extract of circuit diagram attached)
• Modification introduced to +9V supply.
• Sound returns gradually after channel change. (with circuit diagram extract)
• Microcomputers and screening plate. (PHILIPS - 20GR105555R information)
• Intermittent destruction of line o/p transistor. (picture attached)
• Right side of picture discoloured.
• Lines on picture after approx one hour. It consists of a band of bright white lines about two inches wide. (extract of circuit diagram attached) (service info for PHILIPS -20GR105555R)
• The TV does not stop during the tuning phase.
• No frame or short frame. (picture attached)
• Difficult to tune programmes, stations shifted on tuning bar.
• To improve performance with prerecorded cassettes. (+ extract of circuit diagram)
• Does not stop on stations.
• Programme channel search cannot be called up.
• No picture. No sound. Switching on and off from Standby OK.
• Print with linearity coil pos. 5800. (service info for PHILIPS -20GR105555R)
• Unstable tuning.
• Low audio.
• Trips. at start-up (intermittently). (with circuit diagram extract)
• Intermittent colour.
• Does not start. Slight buzzing in loudspeaker.
• Excessive green.
• Initial volume level is higher than maximum Hotel mode setting.
• Occasionally appliance does not switch on from standby. No further functions are possible. (20GR105555R PHILIPS repair tip)
• Low audio. (with circuit diagram extract) (20GR105555R PHILIPS repair tip)
• Sound varies with picture content.
• No SOP supply. (part of circuit diagram displayed)
• No connection for headphone.
• No colour. (+ extract of circuit diagram)
• No or intermittent start-up. (part of circuit diagram displayed)
• Defective IC7103 SV-production. (+ extract of circuit diagram)
• Enter service mode.
• The TV cannot hold the picture. (service info for PHILIPS -20GR105555R)
• No line output stage. (picture attached) (20GR105555R tips)
• No picture or sound but RCU works correctly. LED flashes when the handset is tried. (+ extract of circuit diagram)
• Dark picture. Audio OK .
• Vertical vibration in cold condition of set.
• Becomes defective immediately after switch on. (service info for PHILIPS -20GR105555R)
• Right hand side of screen has a line.
• Picture is poor with rippling on verticals. (with circuit diagram extract)
• Appliance will not switch on at times, but hums in the power supply section.
• Dead. Strange noises from PSU/ line output transformer. (+ extract of circuit diagram)
• Standby just pulsing.