20GR105577B / PHILIPS [TV]

• The fuse and the bridge diodes in the power supply blow.
• Connection of a loop system to the TV.
• No HT from chopper circuit. (part of circuit diagram displayed)
• No sound. Picture OK. After a short time TV stops. High frequency noise from PSU. (extract of circuit diagram attached)
• No picture (when cold).
• Noise in sound. Mute does not function.
• Line transistor 7528 blows within 1 sec. (with circuit diagram extract)
• Excessive HV. after a while.
• Vertical amplitude cannot be fully adjusted, TXT lines can be seen. (part of circuit diagram displayed)
• Line down middle of screen. (+ extract of circuit diagram)
• No tuning - no channels. (20GR105577B PHILIPS repair tip)
• Picture is poor with rippling on verticals. (+ extract of circuit diagram)
• No colour.
• Wavy picture. on the right.
• Colours flickers and disappears.
• Intermittently dead. after start-up.
• Green picture. (picture attached) (20GR105577B PHILIPS repair tip)
• No start-up. intermittently (when cold). (+ extract of circuit diagram)
• Sound varies with picture content.
• Will not tune, drifts, colour disappears or interference on a certain channel. (e.g. channel 5 and 59)
• No operation.
• No picture. No sound. Switching on and off from Standby OK.
• No start-up. (+ extract of circuit diagram)
• The switched-mode power supply cannot be loaded.
• Tuning drifts. (with circuit diagram extract)
• Sound varies with picture content.
• Poor sound, cannot be adjusted louder. When adjusting, sound cuts out. (with circuit diagram extract)
• Trips. (with circuit diagram extract)
• Occasionally appliance does not switch on from standby. No further functions are possible.
• Programme tuning difficulty. Stations has shifted on tuning bar. (20GR105577B tip from PHILIPS)
• Low 5V to micro chip. (+ extract of circuit diagram) (20GR105577B tip from PHILIPS)
• No standby, humming and standby LED blinks.
• The TV does not stop during the tuning phase.
• No power supply start up in loaded condition (eg. with lamp).
• Appliance is dead with standby LED flashing after a few seconds. (picture attached)
• Excessive green.
• Rolling or jittering picture. (picture attached)
• Line output stage only starts up for a short time. (+ extract of circuit diagram)
• Tuning drifts. only on certain channels.
• Unable to tune or set volume in Prefix mode.
• Distorted audio.
• Bright picture. Flyback lines.
• Intermittently narrow picture, but corrects itself shortly after.
• Colours flicker and disappears.
• To put into hotel mode.
• Bright flash on screen. No picture or sound. (extract of circuit diagram attached)
• Line tearing, especially with bright scences. (extract of circuit diagram attached)
• Unable to retune set or set analogue levels. Store-lock option may be on "Hotel mode".
• CRT types.
• Stations won't change. Picture and sound OK. Other functions OK.
• Interference in audio. Interference in picture. (picture attached)
• No functions. when cold.
• Settings do not stay in position.
• Stuck in hotel mode.
• Hotel mode.
• Initial volume level is higher than maximum Hotel mode setting.
• Green screen and at other times no tuning. (+ extract of circuit diagram)
• Whistling.
• Hums softly. (picture attached)
• New IR receiver.
• Change of C2523.
• PSU switches off with load at U95V. (with circuit diagram extract) (service info for PHILIPS -20GR105577B)
• Intermittent colour.
• Protection device (thyristor THY6641) is triggered at switch on. (part of circuit diagram displayed)
• Tuning menu can not be called. All other functions OK.
• Defective purity.
• Appliance hums slightly (no speaker) horizontal end stage and power supply transistor are ok. Unfortunately no service instructions available.
• No tuning.
• Dead. Low hum.
• How to switch off Hotel-Mode.
• No start-up. intermittently.
• Slight foldover at upper part of picture if appliance is switched on when cold. Fault disappears after few minutes. (with circuit diagram extract)
• Won't tune a new channel. Won't activate store function. Picture OK. Sound OK.
• No start-up. Standby LED flashes .
• Service manual correction. (+ extract of circuit diagram)
• Line chirps intermittently. Appliance does not start. Only hum from loudspeakers.
• Adjustment of +95V. (part of circuit diagram displayed) (20GR105577B PHILIPS repair tip)
• Very slight vertical foldover with interferences similar to EHT arcing, especially on very white scenes. (20GR105577B PHILIPS repair tip)
• Comes on for a short time.
• Unstable tuning.
• Does not start up at once from cold.
• Poor synchronisation. (extract of circuit diagram attached) (service info for PHILIPS -20GR105577B)
• Unregulated power supply. Pulsating picture and surging sound. (with circuit diagram extract)
• Intermittent colour. (PHILIPS - 20GR105577B information)
• Microprocessor screening plate. (with circuit diagram extract)
• Picture passes out in the centre.
• Stops at start up. (picture attached)
• Colour sync adjustment procedure.
• Line output transistor becomes warm and in the course of time it becomes defective. (+ extract of circuit diagram)
• Intermittent audio and picture. (with circuit diagram extract)
• Trips. at start-up (intermittently). (part of circuit diagram displayed)
• No start up. No standby. Attempts to start up, but fails.
• Intermittent green picture, channels cannot be programmed. (+ extract of circuit diagram)
• Dead set. Tries to start.
• White unmodulated raster. Picture missing. (extract of circuit diagram attached)
• No audio.
• Quick hiccup. (with circuit diagram extract) (20GR105577B tip from PHILIPS)
• Picture appears slowly. (PHILIPS - 20GR105577B information)
• 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. (extract of circuit diagram attached) (service info for PHILIPS -20GR105577B)
• No sound or raster. The 95V HT supply is present at the line output stage but there is no line drive. (part of circuit diagram displayed)
• No functions. Slow start-up. (with circuit diagram extract)
• 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.
• Dead with whistling noise coming from power supply. (part of circuit diagram displayed)
• Slow hiccup (with circuit diagram extract)
• Picture only in two bars in upper screen section, the rest is dark. (picture attached) (PHILIPS - 20GR105577B information)
• No switch on after activating mains switch. Whistling noise. (picture attached)
• Dead, very slight whistle from PSU.
• Intermittent colour and intermittent dark vertical bar on picture.
• 10V on 95V line. (picture attached)
• Dead. (part of circuit diagram displayed)
• Power supply fault finding. (part of circuit diagram displayed)
• Spurious nonsense OSG. Goes to standby after 0.5-2hrs. Loss of tuning.
• Unstable tuning. (service info for PHILIPS -20GR105577B)
• No audio.
• The TV cannot hold the picture.
• Failures in the power supply. (extract of circuit diagram attached)
• No picture. TXT OK . (picture attached)
• Initial volume level is higher than maximum Hotel mode setting. (PHILIPS - 20GR105577B information)
• Sound varies with picture content.
• R-Y and B-Y discriminator adjustment procedure. (+ extract of circuit diagram)
• U743 tuner replacement. (picture attached)
• Height excessive. Defective linearity. Field blanking. (picture attached)
• Dim picture with Hanover bars visible. (with circuit diagram extract)
• Stored channels are partially lost.
• Vertical line. on the right half screen. (with circuit diagram extract)
• Reluctant to start from cold (+ extract of circuit diagram)
• Low audio.
• Appliance will not switch on at times, but hums in the power supply section.
• During picture changes sometimes a volume increase (plop) is heard. (picture attached)
• Hotel Mode activates by itself. (extract of circuit diagram attached)
• No audio.
• Line tearing and rope effect.
• Only some programs with snowy picture can be tuned and on band 1 missing some programs. (part of circuit diagram displayed)
• Sound increases intermittently or "pops", especially during bright scenes. (part of circuit diagram displayed)
• Set comes on in store lock mode. (part of circuit diagram displayed) (service info for PHILIPS -20GR105577B)
• Green picture. after warm-up. Lines in picture. after warm-up. Does not change channels.
• Appliance does not function with standby light flashing.
• Tripping. (part of circuit diagram displayed)
• After replacement of the line output transistor BUT12, picture with trapezoid effect, BUT12 overheats and goes defective again. (picture attached)
• Becomes defective immediately after switch on.
• Bell filter adjustment procedure.
• Initial volume level is higher than maximum Hotel mode setting.
• Difficult to tune programmes, stations shifted on tuning bar.
• Loud chriping after switch on. It becomes lower after a short time.
• No transmitters to adjust and the sound is not controllable.
• Line output stage TS7528 is defective. (picture attached)
• Stored channels drift off tune briefly after switch on. Crackle in sound.
• Doesn't store stations correctly.
• Limited volume. No channel search. (20GR105577B tips)
• Green picture after few hours, intermittently fault disappears for short while when switching from a station to another. Strange characters in OSD.
• Blown chopper. (extract of circuit diagram attached)
• No functions. Standby LED flashes. Relay switches to ON.
• No tuning. No channel lock. (with circuit diagram extract)
• Colour flickers. No colour. after a while. (picture attached)
• How to switch OFF Hotel-Mode.
• Sometimes when turned on, green screen only with flyback lines, at other times no tuning and channel will not change. (with circuit diagram extract)
• "Store" key does not work. (+ extract of circuit diagram) (service info for PHILIPS -20GR105577B)
• Excessive brightness.
• Sound goes to max. intermittently and HT varies. (extract of circuit diagram attached)
• No colour. (with circuit diagram extract)
• Poor reproduction of copy protected tapes. (+ extract of circuit diagram)
• Only half a picture. (part of circuit diagram displayed)
• Field collapse normally with blank picture. (extract of circuit diagram attached)
• No line start up; +95 available; +9V is about 4.5V. (extract of circuit diagram attached)
• Blank raster. No audio. after a while. (+ extract of circuit diagram)
• No functions, hum in loudspeakers. (extract of circuit diagram attached)
• Green picture.
• Does not start. Slight buzzing in loudspeaker.
• Green screen with flyback lines. Green oscillations. Noise as if HV leaky on picture tube base. (+ extract of circuit diagram)
• Sound motorboating when cold. (picture attached)
• No picture. Audio OK .
• Dead due to action of over voltage protection circuit.
• Searches for channels continuously. (part of circuit diagram displayed)
• No sound or picture. Low hum from speaker. (with circuit diagram extract)
• SIF DET adjustment procedure.
• Picture is mostly green with flyback lines after 10 secs from switch on.
• No start-up. when cold. (+ extract of circuit diagram)
• No switch on. Low noise on sound. (+ extract of circuit diagram)
• Turns on automatically. No RC or front panel controls.
• Search jumps on UHF.
• Green raster. Faint picture. Flyback lines.
• Programme channel search cannot be called up.
• Smeary, washed out picture with bent verticals. (extract of circuit diagram attached)
• White balance adjustment.
• Store lock on the appliance.
• Doesn't tune stations correctly. When cold, crossed lines on low UHF channels. (with circuit diagram extract)
• Whistling from PSU. (part of circuit diagram displayed)
• Slow start-up.
• Colours flickers and disappears.
• No picture or sound but RCU works correctly. LED flashes when the handset is tried. (picture attached)
• No function, starts up from standby, then goes out.
• Reluctant to start up from cold.
• Standby just pulsing.
• PSU does not start up, if appliance was switched off for a day. Appliance functions after short switch on/off. (+ extract of circuit diagram)
• Horizontal white line.
• Streaks in picture. Picture pulls and rolls intermittently.
• Hazy flickering picture at top. (part of circuit diagram displayed)
• How to enter/exit HOTEL mode.
• Noise in audio.
• Low frequency noise on sound.
• Crackling and popping in sound after a short time.
• LED does not flash. Slight buzz in appliance. (+ extract of circuit diagram)
• Correction to service manual LOT winding.
• No colour.
• Appliance can not be programmed. Search does not function. Only limited volume control.
• Excessive vertical size.
• Picture shifted horizontally. (part of circuit diagram displayed)
• Chopper inoperative. (picture attached) (20GR105577B tips)
• No HV.
• Processor numbers (changed).
• Does not start up. Light buzz from loudspeaker. Standby LED produces one brief blink. (service info for PHILIPS -20GR105577B)
• Focus adjustment.
• Secondary main power supply OK except +9V at 5.8V
• 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)
• Random breakdown of line output transistor. (extract of circuit diagram attached)
• No or intermittent start-up. (with circuit diagram extract) (PHILIPS - 20GR105577B information)
• Initial volume level is higher than maximum hotel mode setting.
• Blank or green raster. Flyback lines. Faint picture or normal picture. (+ extract of circuit diagram)
• Reduced horizontal size. (part of circuit diagram displayed)
• No picture. No audio. (+ extract of circuit diagram)
• Tuning procedure.
• Intermittently dead. (+ extract of circuit diagram)
• Enter service mode.
• Intermittent destruction of line o/p transistor. (picture attached)
• Poor synchronisation. when cold. (part of circuit diagram displayed) (service info for PHILIPS -20GR105577B)
• Replacement of surface mounted diode 6637. (picture attached)
• Picture displays lines and strange foldover effect at centre.
• Automatic fine tuning (AFT) field alignment procedure.
• 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. (picture attached)
• White screen with flyback lines. Excessive brightness which increases until PSU switches to protection mode. (part of circuit diagram displayed)
• Memory cannot be opened via "rhombus". Stored channels cannot be changed.
• No power with abnormal sound. (+ extract of circuit diagram)
• No function. Motorboating from PSU. TV starts up randomly. Intermittent fault.
• Volume varies. depending on picture content. (+ extract of circuit diagram)
• Line output stage does not function.
• No channel search. No OSD. (+ extract of circuit diagram)
• No function. Standby-LED lights up. Appliance switches on but no picture or sound.
• LED flashes once, then gurgles. (part of circuit diagram displayed)
• Two lines going around. (with circuit diagram extract)
• Control micro processors.
• Change of C2523.
• How to switch off Hotel-Mode:
• Tuning drifts. only on certain channels (after a while).
• How to de-activate Hotel-Mode.
• No colour in OSD.
• How to de-activate Hotel-Mode:
• Line output transistor fails repeatedly. (with circuit diagram extract) (20GR105577B PHILIPS repair tip)
• Replacement of TDA7052 with a TDA7052A.
• No picture and sound. Low hum intermittently, no function.
• No picture, sound ok but on turning up A1 control, frame collapse. (extract of circuit diagram attached)
• Set does not retune or program etc
• To remove store/lock.
• Picture centering has shifted horizontally. No OSD.
• Lines across top of picture about 8" in first 100 lines. (+ extract of circuit diagram) (20GR105577B PHILIPS repair tip)
• +B very high. (with circuit diagram extract) (service info for PHILIPS -20GR105577B)
• No audio.
• Loosing colour during play-back of a video tape. (extract of circuit diagram attached)
• Set won't tune to high frequency channels and lower frequency channels appear to be higher. (extract of circuit diagram attached) (20GR105577B PHILIPS repair tip)
• Delay RF AGC adjustment procedure.
• Does not switch on, standby LED OK.
• Microcomputers and screening plate. (PHILIPS - 20GR105577B information)
• Green screen with flyback line. No picture. OSD OK.
• Enable Hotel mode. Disable hotel mode. (PHILIPS - 20GR105577B information)
• Initial volume level is higher than maximum Hotel mode setting.
• Memory loss. (picture attached)
• No functions. Sound buzzes in loudspeaker. (extract of circuit diagram attached)
• Dead. Low frequency noise on sound.
• Vertical size varies. intermittently.
• Vertical roll. (with circuit diagram extract)
• No tuning possible, F2 appears on bottom of picture and S1 on top.
• Sound returns gradually after channel change. (+ extract of circuit diagram) (20GR105577B PHILIPS repair tip)
• Change of C2523.
• Green picture.
• No tuning. only on certain channels.
• Dead. At switch on the stand by LED flashes.
• Picture shifted to the right. (part of circuit diagram displayed) (service info for PHILIPS -20GR105577B)
• V-centre adjustment procedure.
• Menu rolling. (part of circuit diagram displayed)
• Error messages indicated by front display flashing. (picture attached)
• No +9V, line output stage is OK. (picture attached)
• No line output stage. (extract of circuit diagram attached)
• The removal of leaded diodes. (extract of circuit diagram attached) (20GR105577B tip from PHILIPS)
• No OSD. Picture OK .
• No picture. No sound. Purring sound in loudspeaker. (with circuit diagram extract)
• No regulation. (with circuit diagram extract) (PHILIPS - 20GR105577B information)
• How to reset microprocessor.
• The following production changes were introduced to prevent the set coming on in the store lock mode when switched on from standby. (part of circuit diagram displayed)
• No colour and vertical black bar across screen.
• Reduced vertical size. at top.
• High voltage transistor defective after a while.
• Does not switch on. LED is lit in standby. If appliance is switched on with RC, LED switches off. (20GR105577B tip from PHILIPS)
• Cannot change tuning or stored settings. (with circuit diagram extract)
• Print with linearity coil pos. 5800.
• SOPS defective. (with circuit diagram extract)
• LED switches on then off immediately.
• Humming, motor noise and other unusual noises. Normal picture.
• To improve performance with prerecorded cassettes. (with circuit diagram extract)
• Comes on in standby. When program button pressed standby lamp blinks then goes off.
• Difficult startup. Rattling sound from line output trafo.
• Horizontal oscillator adjustment procedure.
• Error codes.
• Control panel cover.
• Dark picture.
• No connection for headphone.
• How to de-activate volume limiter.
• Drive for high voltage missing. (picture attached)
• 6613 type change. (with circuit diagram extract)
• Using a lamp as a load.
• Unstable tuning.
• Green picture with retrace lines. After a few restarts picture OK.
• Volume change with great fluctuations in brightness. (picture attached)
• 95V available. 9V is only 5.2V. Slight buzzing from loudspeakers.
• No freeze frame or intermittent freeze frame; no sound. (picture attached)
• Dim picture with Hanover bars.
• Cannot be programmed and search does not function. Only limited volume adjustable.
• Replacing the EAROM. (with circuit diagram extract)
• No audio.
• Production change to line drive. (picture attached)
• No tuning. Impossible to change analog control adjustments (brightness, sound, etc.). (part of circuit diagram displayed)
• Vertical vibration in cold condition of set.
• No vertical deflection. (picture attached)
• Line output transistor replacement.
• The tone (sound) tunes well, but the volume cannot be raised.
• Modification introduced to +9V supply.
• Defective IC7103 SV-production. (part of circuit diagram displayed)
• Intermittently no picture and sound at switch on. Buzz from speaker. (with circuit diagram extract)
• Identification coil adjustment.
• Blank raster. Flyback lines. (+ extract of circuit diagram)
• Buzz in audio (intermittently). (with circuit diagram extract)
• Difficultly in tuning to correct position.
• Search jumps on UHF.
• Programs and PP-settings cannot be changed.
• Buzz in audio. No picture.
• Right hand side of screen has a line.
• Whistle.
• Dead. Power LED is OFF (ON in standby). Hissing from PSU.
• No voltage from PSU. (picture attached)
• Slow start up of power supply. (with circuit diagram extract) (PHILIPS - 20GR105577B information)
• Dark picture. Audio OK .
• No audio.
• Change of C2523.
• Poor sync. AGC fault.
• Does not regulate +95V.
• Buzzing from PSU. when cold. (with circuit diagram extract)
• Picture fails for a short time. (with circuit diagram extract)
• Intermittent colour.
• No start-up. Buzzing from speakers and working noise of PSU.
• Set goes accidentally into hotel mode.
• Blank raster. OSD OK .
• Dead. Only hum from speakers. (with circuit diagram extract)
• No colour.
• No horizontal synchronisation. (with circuit diagram extract)
• No sound. No picture. Faint motorboating noise.
• No audio. (service info for PHILIPS -20GR105577B)
• Vertical oscillator adjustment procedure.
• Dead. Only standby-LED works. Responds to TURN ON command, but no image and no sound.
• Skips channels during tuning. (part of circuit diagram displayed)
• Fizzling sound from speakers at start-up and intermittently picture jagged.
• Enable Hotel mode.
• Squealing from PSU.
• After working normally for a while the TV blocks in any position. The functions do not work.
• Volume goes to max. No volume control.
• Right side of picture discoloured.
• Search jumps on UHF. (20GR105577B tips)
• Tuning drift, when it is hot the tuning is lost on channel change.
• Colour disappears with VCR-scan (picture search). (picture attached)
• Line tearing. on lower half screen. (with circuit diagram extract)
• Line output transistor running hot. (+ extract of circuit diagram) (20GR105577B PHILIPS repair tip)
• No function. Standby LED flashes briefly. (with circuit diagram extract)
• Set dead with just 5V on the 95V line. Standby LED is on but set won't start. (extract of circuit diagram attached) (PHILIPS - 20GR105577B information)
• Low audio. (+ extract of circuit diagram)
• PSU peeps +95 is ca 0,8v
• Does not stop on stations.
• PAL colour amplitude adjustment procedure.
• Field foldover at switch on from cold. Effect disappears when appliance warms up. (with circuit diagram extract)
• Colour amplitude and phase adjustment procedure.
• No line output.
• Buzzing.
• Strongly distorted sound by low volume.
• No switch on. Weak whistling noise from PSU. LED is OFF.
• Dead. Strange noises from PSU/ line output transformer. (with circuit diagram extract) (20GR105577B PHILIPS repair tip)
• Dead. Low level buzz from loudspeaker. (picture attached)
• No tuning, no remote volume control. (extract of circuit diagram attached)
• Excessive horizontal size.
• Volume can't be tuned down. No tuning with RC. (part of circuit diagram displayed)
• To release hotel mode (child lock).
• Vertical collapse. (+ extract of circuit diagram)
• Frame has shifted sideways. Appliance whistles and does not oscillate correctly. (+ extract of circuit diagram) (20GR105577B tip from PHILIPS)
• Switches to standby. (+ extract of circuit diagram)
• Does not shut down (when cold).
• Description of SMPS. (+ extract of circuit diagram)
• Local controls inoperative.
• 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.
• Line out of phase. Black band in centre of screen. No colour.
• Blue picture. Coloured lines.
• Sound varies with picture content.
• 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. (PHILIPS - 20GR105577B information)
• Line output stage does not start up. (+ extract of circuit diagram)
• No picture. (picture attached)
• Modification at line transformer position 5530. (part of circuit diagram displayed)
• Intermittent channel drift in UHF. Channel search OK. VHF OK.
• Picture shifted to the left. intermittently. Line tearing. intermittently. (extract of circuit diagram attached)
• Picture shifts. (extract of circuit diagram attached)
• No function. When switching on with RC, standby LED lights up. (with circuit diagram extract)
• Switches off by itself. after a while. (part of circuit diagram displayed)
• Unstable tuning.
• Red picture. Flyback lines.
• Skips channels during tuning. only on certain channels.
• Bright flash on screen and no picture or sound after a few minutes. (extract of circuit diagram attached)
• No start up, just a buzzing noise in speakers. (picture attached) (20GR105577B tips)
• Stops working every 2 or 3 hrs. Only starts again after switching off and on again. (service info for PHILIPS -20GR105577B)
• Line output transistor TR7528 fails at switch on.
• Power supply does not oscillate. (with circuit diagram extract)
• No picture. OSD OK . (PHILIPS - 20GR105577B information)
• No tuning or on screen tuning display.
• No frame or short frame. (+ extract of circuit diagram)
• Programming unoperational. Limited sound adjustment possible.
• Programme tuning difficulty, stations shifted on tuning bar. (extract of circuit diagram attached)
• Standby LED lights up and switches off at power on. Appliance will not start up. (service info for PHILIPS -20GR105577B)
• Memory content dropout at positions 4 and 5.
• No voltage from PSU, computer does not work. (with circuit diagram extract) (PHILIPS - 20GR105577B information)
• After switching on the CTV "EXT...1.2.3..." appears on the screen.
• Display goes to F1 a few seconds after switching the set on.
• No SOP supply. (part of circuit diagram displayed)
• No function at switch on from standby. Switches to LOCK (hotel) mode. (extract of circuit diagram attached)
• +9V supply modification. (+ extract of circuit diagram) (20GR105577B PHILIPS repair tip)
• No start up from cold and humming.
• No tuning bar when install button pressed and set not in hotel mode. (with circuit diagram extract)
• No functions. Hum in loudspeaker. No LED lit.
• Picture separating line appears. Whistling.
• Buzzing sound then switches off.
• PSU check. (PHILIPS - 20GR105577B information)
• Picture is faint with hanover bars. (picture attached)
• No functions. after start-up (intermittently).
• Stuck in standby. (+ extract of circuit diagram)
• No tuning. (part of circuit diagram displayed)
• New infra red receiver.
• Change of C2523.
• Horizontal hold adjustment procedure.
• How to de-activate Hotel mode.