20GR105565R / PHILIPS [TV]

• Picture centering has shifted horizontally. No OSD.
• Doesn't store stations correctly.
• Set comes on in store lock mode. (+ extract of circuit diagram)
• 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.
• Whistle.
• Hotel Mode activates by itself. (extract of circuit diagram attached)
• Field collapse normally with blank picture. (with circuit diagram extract) (20GR105565R PHILIPS repair tip)
• Becomes defective immediately after switch on.
• No colour. (part of circuit diagram displayed)
• Processor numbers (changed).
• Dead due to action of over voltage protection circuit.
• Excessive vertical size.
• Volume change with great fluctuations in brightness. (+ extract of circuit diagram)
• Crackling and popping in sound after a short time.
• Search jumps on UHF.
• How to switch off Hotel-Mode.
• Picture fails for a short time. (+ extract of circuit diagram) (20GR105565R tips)
• Dark picture.
• Line output transistor fails repeatedly. (extract of circuit diagram attached)
• Slow start up of power supply. (extract of circuit diagram attached)
• Picture shifted to the left. intermittently. Line tearing. intermittently. (extract of circuit diagram attached) (20GR105565R tip from PHILIPS)
• Unstable tuning.
• No channel search. No OSD. (picture attached)
• CRT types.
• V-centre adjustment procedure. (service info for PHILIPS -20GR105565R)
• No colour.
• Wavy picture. on the right.
• Description of SMPS. (with circuit diagram extract)
• Appliance can not be programmed. Search does not function. Only limited volume control. (service info for PHILIPS -20GR105565R)
• No audio.
• Dead. Low frequency noise on sound.
• SIF DET adjustment procedure.
• No power supply start up in loaded condition (eg. with lamp).
• The removal of leaded diodes. (with circuit diagram extract)
• Picture shifted to the right. (part of circuit diagram displayed)
• The switched-mode power supply cannot be loaded.
• Green picture after few hours, intermittently fault disappears for short while when switching from a station to another. Strange characters in OSD.
• No connection for headphone.
• Stored channels drift off tune briefly after switch on. Crackle in sound.
• No audio.
• Dead with whistling noise coming from power supply. (part of circuit diagram displayed)
• Tuning drifts. (part of circuit diagram displayed)
• Bright flash on screen and no picture or sound after a few minutes. (with circuit diagram extract)
• Picture only in two bars in upper screen section, the rest is dark. (part of circuit diagram displayed)
• Excessive brightness.
• Line transistor 7528 blows within 1 sec. (with circuit diagram extract) (20GR105565R PHILIPS repair tip)
• Replacement of TDA7052 with a TDA7052A.
• Horizontal hold adjustment procedure.
• Appliance will not switch on at times, but hums in the power supply section.
• No voltage from PSU. (picture attached)
• Dead. Low hum. (20GR105565R tips)
• Dead. Only standby-LED works. Responds to TURN ON command, but no image and no sound.
• Loud chriping after switch on. It becomes lower after a short time.
• Poor synchronisation. (with circuit diagram extract) (20GR105565R PHILIPS repair tip)
• Stuck in standby. (extract of circuit diagram attached)
• How to enter/exit HOTEL mode. (20GR105565R tip from PHILIPS)
• Colour disappears with VCR-scan (picture search). (extract of circuit diagram attached)
• High voltage transistor defective after a while.
• Frame has shifted sideways. Appliance whistles and does not oscillate correctly. (picture attached)
• Dead. At switch on the stand by LED flashes.
• Unstable tuning. (PHILIPS - 20GR105565R information)
• Comes on in standby. When program button pressed standby lamp blinks then goes off.
• Intermittent colour and intermittent dark vertical bar on picture.
• Picture separating line appears. Whistling.
• Volume goes to max. No volume control.
• Enable Hotel mode. Disable hotel mode.
• No line start up; +95 available; +9V is about 4.5V. (with circuit diagram extract)
• Intermittently dead. after start-up.
• No tuning bar when install button pressed and set not in hotel mode. (+ extract of circuit diagram)
• Quick hiccup. (extract of circuit diagram attached) (20GR105565R tips)
• How to switch off Hotel-Mode:
• No functions, hum in loudspeakers. (part of circuit diagram displayed)
• Picture shifts. (picture attached) (service info for PHILIPS -20GR105565R)
• Line out of phase. Black band in centre of screen. No colour.
• 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. (with circuit diagram extract)
• Initial volume level is higher than maximum Hotel mode setting.
• LED flashes once, then gurgles. (with circuit diagram extract) (20GR105565R PHILIPS repair tip)
• No vertical deflection. (part of circuit diagram displayed)
• Green screen with flyback line. No picture. OSD OK.
• To remove store/lock.
• Excessive HV. after a while.
• No start up from cold and humming.
• Unable to retune set or set analogue levels. Store-lock option may be on "Hotel mode".
• Intermittently dead. (with circuit diagram extract)
• Low frequency noise on sound. (service info for PHILIPS -20GR105565R)
• Will not tune, drifts, colour disappears or interference on a certain channel. (e.g. channel 5 and 59)
• 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.
• Poor sync. AGC fault.
• 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 attached)
• Picture appears slowly.
• Line output stage TS7528 is defective. (+ extract of circuit diagram)
• No tuning, no remote volume control. (picture attached)
• Difficult startup. Rattling sound from line output trafo.
• Colour flickers. No colour. after a while. (picture attached)
• Rolling or jittering picture. (+ extract of circuit diagram)
• 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)
• Sometimes when turned on, green screen only with flyback lines, at other times no tuning and channel will not change. (extract of circuit diagram attached)
• No power with abnormal sound. (+ extract of circuit diagram)
• Picture displays lines and strange foldover effect at centre.
• Store lock on the appliance.
• Loosing colour during play-back of a video tape. (extract of circuit diagram attached)
• Appliance does not function with standby light flashing.
• Hums softly. (part of circuit diagram displayed)
• Difficultly in tuning to correct position.
• How to reset microprocessor.
• No start-up. intermittently.
• White screen with flyback lines. Excessive brightness which increases until PSU switches to protection mode. (picture attached)
• +9V supply modification. (part of circuit diagram displayed)
• No picture. (+ extract of circuit diagram)
• White balance adjustment.
• No sound. No picture. Faint motorboating noise.
• No audio.
• Does not stop on stations.
• Dim picture with Hanover bars visible. (+ extract of circuit diagram)
• Search jumps on UHF.
• No switch on. Weak whistling noise from PSU. LED is OFF.
• Excessive green.
• Low audio.
• R-Y and B-Y discriminator adjustment procedure. (extract of circuit diagram attached)
• No standby, humming and standby LED blinks.
• Blank raster. OSD OK .
• Tuning drifts. only on certain channels.
• Vertical line. on the right half screen. (with circuit diagram extract)
• Right side of picture discoloured.
• New infra red receiver.
• No functions. when cold.
• Sound varies with picture content.
• Tripping. (with circuit diagram extract)
• PSU check.
• Menu rolling. (picture attached)
• During picture changes sometimes a volume increase (plop) is heard. (extract of circuit diagram attached)
• Does not switch on, standby LED OK.
• 6613 type change. (picture attached)
• Strongly distorted sound by low volume.
• Sound returns gradually after channel change. (picture attached) (20GR105565R PHILIPS repair tip)
• Tuning procedure.
• No functions. Slow start-up. (picture attached)
• No function, starts up from standby, then goes out.
• No start-up. Buzzing from speakers and working noise of PSU.
• No audio.
• No functions. Standby LED flashes. Relay switches to ON.
• Squealing from PSU.
• Humming, motor noise and other unusual noises. Normal picture.
• Vertical vibration in cold condition of set.
• Stuck in hotel mode.
• Stops at start up. (picture attached)
• Line down middle of screen. (part of circuit diagram displayed)
• Spurious nonsense OSG. Goes to standby after 0.5-2hrs. Loss of tuning.
• No picture. No sound. Purring sound in loudspeaker. (part of circuit diagram displayed)
• No picture, sound ok but on turning up A1 control, frame collapse. (+ extract of circuit diagram)
• Dead set. Tries to start.
• Buzzing sound then switches off.
• Skips channels during tuning. (with circuit diagram extract)
• Does not regulate +95V.
• Colour sync adjustment procedure.
• White unmodulated raster. Picture missing. (extract of circuit diagram attached)
• Red picture. Flyback lines.
• Smeary, washed out picture with bent verticals. (with circuit diagram extract)
• Dark picture. Audio OK .
• Green raster. Faint picture. Flyback lines.
• Intermittent audio and picture. (picture attached)
• Line output transistor TR7528 fails at switch on.
• No function. Standby-LED lights up. Appliance switches on but no picture or sound.
• Does not start up. Light buzz from loudspeaker. Standby LED produces one brief blink.
• Replacement of surface mounted diode 6637. (part of circuit diagram displayed)
• Switches off by itself. after a while. (picture attached)
• New IR receiver.
• Drive for high voltage missing. (part of circuit diagram displayed)
• 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)
• Picture is faint with hanover bars. (picture attached)
• Identification coil adjustment. (PHILIPS - 20GR105565R information)
• PSU peeps +95 is ca 0,8v
• No regulation. (with circuit diagram extract)
• No picture. No audio. (+ extract of circuit diagram)
• No function. Motorboating from PSU. TV starts up randomly. Intermittent fault.
• Programs and PP-settings cannot be changed.
• Very slight vertical foldover with interferences similar to EHT arcing, especially on very white scenes.
• No switch on after activating mains switch. Whistling noise. (with circuit diagram extract)
• Distorted audio.
• Replacing the EAROM. (with circuit diagram extract)
• Programme channel search cannot be called up.
• Streaks in picture. Picture pulls and rolls intermittently.
• Poor reproduction of copy protected tapes. (with circuit diagram extract) (20GR105565R tips)
• No picture or sound but RCU works correctly. LED flashes when the handset is tried. (+ extract of circuit diagram)
• No colour.
• Line tearing. on lower half screen. (picture attached)
• Bright picture. Flyback lines.
• Line chirps intermittently. Appliance does not start. Only hum from loudspeakers.
• Power supply does not oscillate. (extract of circuit diagram attached)
• Memory cannot be opened via "rhombus". Stored channels cannot be changed.
• Reduced horizontal size. (part of circuit diagram displayed) (PHILIPS - 20GR105565R information)
• Blank raster. Flyback lines. (+ extract of circuit diagram)
• U743 tuner replacement. (with circuit diagram extract)
• Noise in sound. Mute does not function.
• After switching on the CTV "EXT...1.2.3..." appears on the screen.
• Trips. (extract of circuit diagram attached)
• Difficult to tune programmes, stations shifted on tuning bar.
• No line output.
• Enter service mode.
• Low 5V to micro chip. (+ extract of circuit diagram)
• No picture and sound. Low hum intermittently, no function.
• Bright flash on screen. No picture or sound. (+ extract of circuit diagram)
• No +9V, line output stage is OK. (extract of circuit diagram attached)
• No start-up. Standby LED flashes .
• Control micro processors.
• Programme tuning difficulty, stations shifted on tuning bar. (part of circuit diagram displayed)
• Poor sound, cannot be adjusted louder. When adjusting, sound cuts out. (+ extract of circuit diagram)
• Delay RF AGC adjustment procedure.
• "Store" key does not work. (picture attached)
• Dead. Strange noises from PSU/ line output transformer. (part of circuit diagram displayed)
• Production change to line drive. (+ extract of circuit diagram)
• Green screen and at other times no tuning. (+ extract of circuit diagram)
• Whistling from PSU. (+ extract of circuit diagram) (PHILIPS - 20GR105565R information)
• No operation.
• No picture. Audio OK .
• Change of C2523.
• Searches for channels continuously. (+ extract of circuit diagram)
• Defective purity.
• Sound varies with picture content.
• No line output stage. (picture attached)
• Initial volume level is higher than maximum Hotel mode setting.
• Turns on automatically. No RC or front panel controls.
• Sound increases intermittently or "pops", especially during bright scenes. (with circuit diagram extract)
• No tuning or on screen tuning display.
• Reluctant to start from cold (+ extract of circuit diagram) (20GR105565R tip from PHILIPS)
• Dead. Only hum from speakers. (part of circuit diagram displayed)
• Cannot change tuning or stored settings. (part of circuit diagram displayed)
• Chopper inoperative. (with circuit diagram extract)
• Programme tuning difficulty. Stations has shifted on tuning bar.
• Line output transistor replacement.
• Correction to service manual LOT winding.
• Slow hiccup (picture attached)
• Green picture. after warm-up. Lines in picture. after warm-up. Does not change channels.
• Intermittent colour.
• Doesn't tune stations correctly. When cold, crossed lines on low UHF channels. (extract of circuit diagram attached) (20GR105565R PHILIPS repair tip)
• No function. Standby LED flashes briefly. (picture attached)
• Poor synchronisation. when cold. (+ extract of circuit diagram)
• Vertical collapse. (part of circuit diagram displayed)
• Does not shut down (when cold).
• Microcomputers and screening plate.
• Buzzing.
• Green picture with retrace lines. After a few restarts picture OK.
• Failures in the power supply. (part of circuit diagram displayed)
• Print with linearity coil pos. 5800.
• Horizontal white line. (20GR105565R PHILIPS repair tip)
• Excessive horizontal size.
• Won't tune a new channel. Won't activate store function. Picture OK. Sound OK.
• Defective IC7103 SV-production. (extract of circuit diagram attached)
• Enable Hotel mode.
• Line tearing and rope effect.
• No tuning possible, F2 appears on bottom of picture and S1 on top.
• Volume varies. depending on picture content. (part of circuit diagram displayed)
• Stations won't change. Picture and sound OK. Other functions OK.
• Intermittent channel drift in UHF. Channel search OK. VHF OK.
• Sound varies with picture content.
• Colours flicker and disappears.
• Change of C2523.
• Standby LED lights up and switches off at power on. Appliance will not start up.
• Line output transistor running hot. (extract of circuit diagram attached)
• No sound or picture. Low hum from speaker. (picture attached)
• No functions. after start-up (intermittently).
• Standby just pulsing.
• 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.
• Intermittent destruction of line o/p transistor. (with circuit diagram extract) (service info for PHILIPS -20GR105565R)
• Sound varies with picture content.
• Tuning menu can not be called. All other functions OK.
• Error messages indicated by front display flashing. (part of circuit diagram displayed)
• Horizontal oscillator adjustment procedure.
• Unable to tune or set volume in Prefix mode.
• LED switches on then off immediately.
• Local controls inoperative.
• No transmitters to adjust and the sound is not controllable. (20GR105565R PHILIPS repair tip)
• No picture. TXT OK . (part of circuit diagram displayed)
• Line tearing, especially with bright scences. (extract of circuit diagram attached) (20GR105565R PHILIPS repair tip)
• Vertical oscillator adjustment procedure.
• No switch on. Low noise on sound. (extract of circuit diagram attached)
• Set dead with just 5V on the 95V line. Standby LED is on but set won't start. (part of circuit diagram displayed)
• Does not start up at once from cold.
• No tuning - no channels.
• No functions. Hum in loudspeaker. No LED lit. (20GR105565R tip from PHILIPS)
• Reluctant to start up from cold.
• Line output transistor becomes warm and in the course of time it becomes defective. (with circuit diagram extract)
• Set goes accidentally into hotel mode.
• Intermittent colour.
• No picture (when cold).
• Buzz in audio. No picture.
• Using a lamp as a load. (20GR105565R tips)
• Blue picture. Coloured lines.
• Picture is mostly green with flyback lines after 10 secs from switch on.
• The TV cannot hold the picture.
• Blank or green raster. Flyback lines. Faint picture or normal picture. (with circuit diagram extract)
• Power supply fault finding. (+ extract of circuit diagram)
• Hotel mode.
• No colour in OSD.
• No function. When switching on with RC, standby LED lights up. (extract of circuit diagram attached)
• Automatic fine tuning (AFT) field alignment procedure.
• How to switch OFF Hotel-Mode.
• Change of C2523.
• Occasionally appliance does not switch on from standby. No further functions are possible.
• Low audio. (with circuit diagram extract)
• Set won't tune to high frequency channels and lower frequency channels appear to be higher. (extract of circuit diagram attached) (service info for PHILIPS -20GR105565R)
• No OSD. Picture OK .
• Right hand side of screen has a line.
• Initial volume level is higher than maximum hotel mode setting.
• No start up, just a buzzing noise in speakers. (extract of circuit diagram attached) (PHILIPS - 20GR105565R information)
• Microprocessor screening plate. (extract of circuit diagram attached) (PHILIPS - 20GR105565R information)
• Control panel cover. (20GR105565R tips)
• Change of C2523.
• Noise in audio.
• Buzzing from PSU. when cold. (part of circuit diagram displayed)
• No function at switch on from standby. Switches to LOCK (hotel) mode. (part of circuit diagram displayed)
• Adjustment of +95V. (extract of circuit diagram attached)
• Line output stage does not start up. (picture attached)
• Slow start-up.
• Stored channels are partially lost.
• Tuning drifts. only on certain channels (after a while).
• Two lines going around. (extract of circuit diagram attached)
• Cannot be programmed and search does not function. Only limited volume adjustable.
• Picture shifted horizontally. (picture attached)
• How to de-activate Hotel-Mode.
• No audio.
• Modification introduced to +9V supply. (20GR105565R PHILIPS repair tip)
• Random breakdown of line output transistor. (extract of circuit diagram attached)
• Vertical amplitude cannot be fully adjusted, TXT lines can be seen. (with circuit diagram extract) (service info for PHILIPS -20GR105565R)
• Connection of a loop system to the TV. (20GR105565R PHILIPS repair tip)
• Line output stage only starts up for a short time. (part of circuit diagram displayed)
• Dead. Power LED is OFF (ON in standby). Hissing from PSU.
• No voltage from PSU, computer does not work. (picture attached)
• Intermittent green picture, channels cannot be programmed. (+ extract of circuit diagram)
• Comes on for a short time.
• Field foldover at switch on from cold. Effect disappears when appliance warms up. (extract of circuit diagram attached)
• No tuning. Impossible to change analog control adjustments (brightness, sound, etc.). (part of circuit diagram displayed)
• Change of C2523.
• PSU switches off with load at U95V. (picture attached) (service info for PHILIPS -20GR105565R)
• Appliance is dead with standby LED flashing after a few seconds. (with circuit diagram extract)
• Dead. (part of circuit diagram displayed)
• No start-up. (+ extract of circuit diagram)
• No colour and vertical black bar across screen.
• Slight foldover at upper part of picture if appliance is switched on when cold. Fault disappears after few minutes. (picture attached)
• Bell filter adjustment procedure.
• Fizzling sound from speakers at start-up and intermittently picture jagged.
• Does not switch on. LED is lit in standby. If appliance is switched on with RC, LED switches off.
• Only half a picture. (+ extract of circuit diagram)
• How to de-activate volume limiter.
• Blown chopper. (+ extract of circuit diagram)
• Limited volume. No channel search.
• No audio.
• +B very high. (picture attached)
• Appliance hums slightly (no speaker) horizontal end stage and power supply transistor are ok. Unfortunately no service instructions available.
• Display goes to F1 a few seconds after switching the set on.
• LED does not flash. Slight buzz in appliance. (extract of circuit diagram attached)
• Dead. Low level buzz from loudspeaker. (picture attached) (service info for PHILIPS -20GR105565R)
• Initial volume level is higher than maximum Hotel mode setting.
• Sound goes to max. intermittently and HT varies. (with circuit diagram extract)
• The tone (sound) tunes well, but the volume cannot be raised.
• No tuning. (PHILIPS - 20GR105565R information)
• No horizontal synchronisation. (picture attached)
• Vertical roll. (picture attached)
• No picture. No sound. Switching on and off from Standby OK.
• Colour amplitude and phase adjustment procedure. (20GR105565R tips)
• Unstable tuning.
• Initial volume level is higher than maximum Hotel mode setting. (20GR105565R tips)
• No SOP supply. (with circuit diagram extract)
• 10V on 95V line. (with circuit diagram extract)
• Whistling.
• How to de-activate Hotel-Mode:
• Lines on picture after approx one hour. It consists of a band of bright white lines about two inches wide. (+ extract of circuit diagram)
• 95V available. 9V is only 5.2V. Slight buzzing from loudspeakers.
• After replacement of the line output transistor BUT12, picture with trapezoid effect, BUT12 overheats and goes defective again. (+ extract of circuit diagram) (20GR105565R tip from PHILIPS)
• Unregulated power supply. Pulsating picture and surging sound. (picture attached)
• Picture is poor with rippling on verticals. (picture attached)
• Error codes.
• No audio.
• Colours flickers and disappears.
• To improve performance with prerecorded cassettes. (part of circuit diagram displayed)
• PAL colour amplitude adjustment procedure.
• PSU does not start up, if appliance was switched off for a day. Appliance functions after short switch on/off. (with circuit diagram extract)
• Reduced vertical size. at top.
• Green picture. (picture attached) (20GR105565R tips)
• No or intermittent start-up. (part of circuit diagram displayed)
• Hazy flickering picture at top. (picture attached)
• Switches to standby. (part of circuit diagram displayed)
• Intermittently no picture and sound at switch on. Buzz from speaker. (part of circuit diagram displayed)
• Stops working every 2 or 3 hrs. Only starts again after switching off and on again.
• Tuning drift, when it is hot the tuning is lost on channel change.
• Sound motorboating when cold. (extract of circuit diagram attached)
• Green picture.
• Modification at line transformer position 5530. (with circuit diagram extract)
• No tuning. only on certain channels.
• Only some programs with snowy picture can be tuned and on band 1 missing some programs. (+ extract of circuit diagram)
• No sound. Picture OK. After a short time TV stops. High frequency noise from PSU. (+ extract of circuit diagram)
• Intermittently narrow picture, but corrects itself shortly after. (20GR105565R tip from PHILIPS)
• Buzz in audio (intermittently). (part of circuit diagram displayed) (20GR105565R PHILIPS repair tip)
• No HT from chopper circuit. (with circuit diagram extract)
• Secondary main power supply OK except +9V at 5.8V
• Line output stage does not function. (20GR105565R tips)
• Green screen with flyback lines. Green oscillations. Noise as if HV leaky on picture tube base. (extract of circuit diagram attached)
• Picture passes out in the centre.
• How to de-activate Hotel mode. (20GR105565R tip from PHILIPS)
• No HV.
• The TV does not stop during the tuning phase.
• Dead, very slight whistle from PSU.
• No frame or short frame. (+ extract of circuit diagram)
• Settings do not stay in position.
• Lines across top of picture about 8" in first 100 lines. (extract of circuit diagram attached)
• No start up. No standby. Attempts to start up, but fails.
• Set does not retune or program etc
• No start-up. when cold. (part of circuit diagram displayed)
• No picture. OSD OK . (20GR105565R tips)
• To release hotel mode (child lock).
• No colour.
• No freeze frame or intermittent freeze frame; no sound. (picture attached)
• To put into hotel mode.
• Programming unoperational. Limited sound adjustment possible.
• Vertical size varies. intermittently.
• Service manual correction. (part of circuit diagram displayed)
• Memory loss. (part of circuit diagram displayed)
• Skips channels during tuning. only on certain channels.
• Colours flickers and disappears.
• Dim picture with Hanover bars.
• Search jumps on UHF.
• No start-up. intermittently (when cold). (+ extract of circuit diagram)
• Trips. at start-up (intermittently). (with circuit diagram extract)
• Green picture.
• After working normally for a while the TV blocks in any position. The functions do not work.
• Unstable tuning.
• Focus adjustment. (PHILIPS - 20GR105565R information)
• Protection device (thyristor THY6641) is triggered at switch on. (with circuit diagram extract)
• Does not start. Slight buzzing in loudspeaker.
• Volume can't be tuned down. No tuning with RC. (part of circuit diagram displayed)
• No tuning. (part of circuit diagram displayed)
• The fuse and the bridge diodes in the power supply blow.
• Memory content dropout at positions 4 and 5.
• Height excessive. Defective linearity. Field blanking. (+ extract of circuit diagram)
• No functions. Sound buzzes in loudspeaker. (picture attached)
• No tuning. No channel lock. (extract of circuit diagram attached)
• Interference in audio. Interference in picture. (picture attached)
• SOPS defective. (part of circuit diagram displayed) (20GR105565R PHILIPS repair tip)
• Blank raster. No audio. after a while. (+ extract of circuit diagram)
• Intermittent colour.