20GR105259H / PHILIPS [TV 51 (47/48) cm picture]

• White screen with flyback lines. Excessive brightness which increases until PSU switches to protection mode. (picture attached)
• No picture. No sound. Purring sound in loudspeaker. (picture attached)
• Slight foldover at upper part of picture if appliance is switched on when cold. Fault disappears after few minutes. (+ extract of circuit diagram)
• Intermittent colour and intermittent dark vertical bar on picture.
• Occasionally appliance does not switch on from standby. No further functions are possible.
• Unable to retune set or set analogue levels. Store-lock option may be on "Hotel mode".
• No connection for headphone.
• Loud chriping after switch on. It becomes lower after a short time.
• No sound. No picture. Faint motorboating noise.
• No functions, hum in loudspeakers. (+ extract of circuit diagram)
• No tuning bar when install button pressed and set not in hotel mode. (extract of circuit diagram attached)
• Field foldover at switch on from cold. Effect disappears when appliance warms up. (+ extract of circuit diagram)
• Volume change with great fluctuations in brightness. (picture attached)
• No start-up. intermittently (when cold). (picture attached)
• Low frequency noise on sound.
• Intermittently dead. after start-up.
• Skips channels during tuning. (part of circuit diagram displayed)
• No picture or sound but RCU works correctly. LED flashes when the handset is tried. (picture attached)
• Difficultly in tuning to correct position.
• No start up from cold and humming.
• Does not switch on. LED is lit in standby. If appliance is switched on with RC, LED switches off. (20GR105259H tips)
• Buzzing.
• No functions. Slow start-up. (with circuit diagram extract)
• Spurious nonsense OSG. Goes to standby after 0.5-2hrs. Loss of tuning. (20GR105259H PHILIPS repair tip)
• Volume can't be tuned down. No tuning with RC. (picture attached) (service info for PHILIPS -20GR105259H)
• No SOP supply. (with circuit diagram extract)
• Initial volume level is higher than maximum Hotel mode setting.
• Production change to line drive. (part of circuit diagram displayed)
• Correction to service manual LOT winding.
• Bright flash on screen. No picture or sound. (extract of circuit diagram attached)
• Whistling from PSU. (picture attached)
• Whistling.
• No function. Standby LED flashes briefly. (part of circuit diagram displayed)
• 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 attached)
• Distorted audio.
• R-Y and B-Y discriminator adjustment procedure. (+ extract of circuit diagram)
• Smeary, washed out picture with bent verticals. (part of circuit diagram displayed)
• Line out of phase. Black band in centre of screen. No colour.
• Programme channel search cannot be called up.
• Field collapse normally with blank picture. (with circuit diagram extract)
• Comes on for a short time.
• Programming unoperational. Limited sound adjustment possible.
• No function, starts up from standby, then goes out.
• Difficult to tune programmes, stations shifted on tuning bar.
• How to switch off Hotel-Mode: (service info for PHILIPS -20GR105259H)
• Picture shifts. (extract of circuit diagram attached) (PHILIPS - 20GR105259H information)
• LED does not flash. Slight buzz in appliance. (with circuit diagram extract)
• Colours flicker and disappears.
• Poor sound, cannot be adjusted louder. When adjusting, sound cuts out. (with circuit diagram extract)
• Standby LED lights up and switches off at power on. Appliance will not start up.
• White balance adjustment.
• Initial volume level is higher than maximum Hotel mode setting.
• Humming, motor noise and other unusual noises. Normal picture.
• No line start up; +95 available; +9V is about 4.5V. (extract of circuit diagram attached)
• Buzzing from PSU. when cold. (+ extract of circuit diagram)
• Dim picture with Hanover bars visible. (with circuit diagram extract)
• Only some programs with snowy picture can be tuned and on band 1 missing some programs. (picture attached)
• PSU does not start up, if appliance was switched off for a day. Appliance functions after short switch on/off. (with circuit diagram extract)
• After working normally for a while the TV blocks in any position. The functions do not work. (service info for PHILIPS -20GR105259H)
• No tuning. only on certain channels. (20GR105259H tip from PHILIPS)
• The removal of leaded diodes. (with circuit diagram extract)
• No function. Standby-LED lights up. Appliance switches on but no picture or sound.
• Line tearing, especially with bright scences. (with circuit diagram extract)
• Blue picture. Coloured lines.
• Does not regulate +95V.
• Fizzling sound from speakers at start-up and intermittently picture jagged.
• Horizontal hold adjustment procedure.
• Control micro processors. (20GR105259H tip from PHILIPS)
• Unable to tune or set volume in Prefix mode. (PHILIPS - 20GR105259H information)
• Doesn't store stations correctly.
• 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) (service info for PHILIPS -20GR105259H)
• Picture separating line appears. Whistling.
• The switched-mode power supply cannot be loaded.
• Enter service mode. (PHILIPS - 20GR105259H information)
• Unregulated power supply. Pulsating picture and surging sound. (picture attached)
• After replacement of the line output transistor BUT12, picture with trapezoid effect, BUT12 overheats and goes defective again. (picture attached)
• PSU switches off with load at U95V. (picture attached) (PHILIPS - 20GR105259H information)
• Low 5V to micro chip. (extract of circuit diagram attached)
• No picture and sound. Low hum intermittently, no function.
• Memory cannot be opened via "rhombus". Stored channels cannot be changed. (service info for PHILIPS -20GR105259H)
• No picture. TXT OK . (part of circuit diagram displayed)
• Dead, very slight whistle from PSU.
• To improve performance with prerecorded cassettes. (extract of circuit diagram attached)
• Poor reproduction of copy protected tapes. (with circuit diagram extract)
• Will not tune, drifts, colour disappears or interference on a certain channel. (e.g. channel 5 and 59)
• Hotel Mode activates by itself. (with circuit diagram extract)
• Tuning drifts. only on certain channels. (service info for PHILIPS -20GR105259H)
• Change of C2523.
• No function at switch on from standby. Switches to LOCK (hotel) mode. (part of circuit diagram displayed)
• Won't tune a new channel. Won't activate store function. Picture OK. Sound OK.
• Secondary main power supply OK except +9V at 5.8V
• Search jumps on UHF.
• No switch on. Weak whistling noise from PSU. LED is OFF.
• SIF DET adjustment procedure.
• Crackling and popping in sound after a short time.
• Whistle.
• Comes on in standby. When program button pressed standby lamp blinks then goes off.
• No start-up. when cold. (+ extract of circuit diagram)
• 10V on 95V line. (with circuit diagram extract)
• Dead. (picture attached)
• No tuning or on screen tuning display.
• Poor sync. AGC fault.
• No audio. (20GR105259H PHILIPS repair tip)
• High voltage transistor defective after a while.
• Searches for channels continuously. (extract of circuit diagram attached)
• Horizontal white line.
• Settings do not stay in position.
• Appliance can not be programmed. Search does not function. Only limited volume control. (20GR105259H PHILIPS repair tip)
• Set won't tune to high frequency channels and lower frequency channels appear to be higher. (extract of circuit diagram attached)
• Green picture. (part of circuit diagram displayed)
• Sound motorboating when cold. (+ extract of circuit diagram)
• Chopper inoperative. (picture attached) (20GR105259H tip from PHILIPS)
• No voltage from PSU. (part of circuit diagram displayed)
• Squealing from PSU.
• Stored channels drift off tune briefly after switch on. Crackle in sound.
• Tripping. (part of circuit diagram displayed)
• Switches to standby. (extract of circuit diagram attached)
• Microcomputers and screening plate.
• Dead with whistling noise coming from power supply. (picture attached)
• Rolling or jittering picture. (part of circuit diagram displayed)
• No HT from chopper circuit. (with circuit diagram extract)
• 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.
• Skips channels during tuning. only on certain channels.
• Picture passes out in the centre.
• Using a lamp as a load.
• Modification at line transformer position 5530. (+ extract of circuit diagram) (20GR105259H PHILIPS repair tip)
• Colours flickers and disappears.
• Control panel cover.
• Standby just pulsing.
• Sound varies with picture content.
• Does not start up at once from cold.
• Vertical size varies. intermittently.
• Vertical oscillator adjustment procedure.
• To release hotel mode (child lock).
• The TV does not stop during the tuning phase.
• PAL colour amplitude adjustment procedure.
• Error codes.
• No picture. (part of circuit diagram displayed)
• No audio.
• Noise in sound. Mute does not function.
• Dim picture with Hanover bars.
• No standby, humming and standby LED blinks.
• Memory content dropout at positions 4 and 5.
• Programme tuning difficulty, stations shifted on tuning bar. (+ extract of circuit diagram)
• Colour flickers. No colour. after a while. (part of circuit diagram displayed)
• Print with linearity coil pos. 5800.
• Dead. Low level buzz from loudspeaker. (picture attached)
• No OSD. Picture OK .
• No or intermittent start-up. (picture attached)
• Green raster. Faint picture. Flyback lines.
• Green screen with flyback lines. Green oscillations. Noise as if HV leaky on picture tube base. (with circuit diagram extract)
• Programs and PP-settings cannot be changed.
• New infra red receiver.
• PSU peeps +95 is ca 0,8v
• Right hand side of screen has a line.
• Turns on automatically. No RC or front panel controls. (20GR105259H PHILIPS repair tip)
• Appliance will not switch on at times, but hums in the power supply section.
• No functions. Hum in loudspeaker. No LED lit.
• Dead. Low frequency noise on sound.
• Green screen with flyback line. No picture. OSD OK.
• Stored channels are partially lost.
• Line output transistor becomes warm and in the course of time it becomes defective. (+ extract of circuit diagram)
• No +9V, line output stage is OK. (with circuit diagram extract)
• Picture shifted horizontally. (extract of circuit diagram attached)
• Sound returns gradually after channel change. (+ extract of circuit diagram)
• Set comes on in store lock mode. (part of circuit diagram displayed)
• Search jumps on UHF.
• Intermittent destruction of line o/p transistor. (+ extract of circuit diagram)
• Failures in the power supply. (+ extract of circuit diagram)
• Menu rolling. (part of circuit diagram displayed)
• Line tearing. on lower half screen. (with circuit diagram extract) (20GR105259H PHILIPS repair tip)
• How to de-activate Hotel mode.
• Green screen and at other times no tuning. (picture attached)
• Line output transistor fails repeatedly. (extract of circuit diagram attached)
• Lines across top of picture about 8" in first 100 lines. (with circuit diagram extract)
• Tuning procedure.
• Appliance does not function with standby light flashing.
• Store lock on the appliance.
• Display goes to F1 a few seconds after switching the set on.
• Picture is faint with hanover bars. (part of circuit diagram displayed)
• V-centre adjustment procedure.
• Initial volume level is higher than maximum hotel mode setting.
• No functions. when cold.
• 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.
• SOPS defective. (picture attached)
• No power supply start up in loaded condition (eg. with lamp).
• No tuning. No channel lock. (extract of circuit diagram attached)
• U743 tuner replacement. (picture attached)
• No audio.
• Dead. At switch on the stand by LED flashes.
• Picture centering has shifted horizontally. No OSD.
• No start-up. (picture attached)
• No operation.
• Intermittent colour. (20GR105259H PHILIPS repair tip)
• Dead. Power LED is OFF (ON in standby). Hissing from PSU.
• Intermittent audio and picture. (with circuit diagram extract)
• Line output stage does not function.
• No picture. No sound. Switching on and off from Standby OK.
• Green picture.
• Buzz in audio (intermittently). (part of circuit diagram displayed)
• Horizontal oscillator adjustment procedure.
• 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. (part of circuit diagram displayed)
• Replacement of surface mounted diode 6637. (part of circuit diagram displayed)
• LED switches on then off immediately.
• Line down middle of screen. (+ extract of circuit diagram)
• Colour sync adjustment procedure.
• 6613 type change. (part of circuit diagram displayed)
• Hums softly. (picture attached)
• No start-up. Buzzing from speakers and working noise of PSU.
• After switching on the CTV "EXT...1.2.3..." appears on the screen.
• Change of C2523.
• Tuning drifts. only on certain channels (after a while).
• Line output transistor running hot. (part of circuit diagram displayed)
• Height excessive. Defective linearity. Field blanking. (picture attached)
• The fuse and the bridge diodes in the power supply blow.
• Intermittently narrow picture, but corrects itself shortly after.
• Local controls inoperative.
• Loosing colour during play-back of a video tape. (part of circuit diagram displayed)
• Tuning menu can not be called. All other functions OK.
• Picture fails for a short time. (+ extract of circuit diagram)
• Service manual correction. (+ extract of circuit diagram) (20GR105259H tip from PHILIPS)
• PSU check.
• Streaks in picture. Picture pulls and rolls intermittently.
• Replacement of TDA7052 with a TDA7052A.
• Reluctant to start up from cold.
• Stops at start up. (+ extract of circuit diagram)
• Two lines going around. (part of circuit diagram displayed)
• Initial volume level is higher than maximum Hotel mode setting.
• 95V available. 9V is only 5.2V. Slight buzzing from loudspeakers.
• How to de-activate Hotel-Mode:
• Picture shifted to the left. intermittently. Line tearing. intermittently. (extract of circuit diagram attached)
• Vertical collapse. (+ extract of circuit diagram)
• LED flashes once, then gurgles. (extract of circuit diagram attached)
• Dead. Only hum from speakers. (+ extract of circuit diagram)
• Only half a picture. (part of circuit diagram displayed)
• Blank raster. Flyback lines. (part of circuit diagram displayed)
• Strongly distorted sound by low volume.
• Picture shifted to the right. (extract of circuit diagram attached) (20GR105259H PHILIPS repair tip)
• Modification introduced to +9V supply.
• No tuning. Impossible to change analog control adjustments (brightness, sound, etc.). (picture attached)
• Line output transistor replacement.
• White unmodulated raster. Picture missing. (+ extract of circuit diagram)
• Interference in audio. Interference in picture. (+ extract of circuit diagram)
• Dark picture.
• No switch on. Low noise on sound. (+ extract of circuit diagram)
• Enable Hotel mode.
• Green picture. after warm-up. Lines in picture. after warm-up. Does not change channels.
• Line chirps intermittently. Appliance does not start. Only hum from loudspeakers.
• During picture changes sometimes a volume increase (plop) is heard. (+ extract of circuit diagram)
• Bright flash on screen and no picture or sound after a few minutes. (part of circuit diagram displayed)
• Sound goes to max. intermittently and HT varies. (part of circuit diagram displayed)
• Trips. (part of circuit diagram displayed) (PHILIPS - 20GR105259H information)
• Picture is poor with rippling on verticals. (part of circuit diagram displayed)
• New IR receiver. (20GR105259H tip from PHILIPS)
• No picture, sound ok but on turning up A1 control, frame collapse. (with circuit diagram extract)
• No picture. OSD OK .
• Bright picture. Flyback lines. (20GR105259H tip from PHILIPS)
• Power supply does not oscillate. (+ extract of circuit diagram)
• The tone (sound) tunes well, but the volume cannot be raised.
• Dead. Low hum. (PHILIPS - 20GR105259H information)
• Stations won't change. Picture and sound OK. Other functions OK.
• Dead due to action of over voltage protection circuit.
• Blank raster. OSD OK .
• Poor synchronisation. (with circuit diagram extract)
• Defective purity.
• Vertical amplitude cannot be fully adjusted, TXT lines can be seen. (with circuit diagram extract)
• No audio.
• Quick hiccup. (with circuit diagram extract) (20GR105259H tip from PHILIPS)
• Blown chopper. (part of circuit diagram displayed) (PHILIPS - 20GR105259H information)
• No audio.
• Picture is mostly green with flyback lines after 10 secs from switch on.
• Low audio.
• No picture (when cold).
• Intermittent colour.
• Slow start up of power supply. (part of circuit diagram displayed)
• The TV cannot hold the picture.
• Does not start up. Light buzz from loudspeaker. Standby LED produces one brief blink.
• Dead. Only standby-LED works. Responds to TURN ON command, but no image and no sound.
• Hazy flickering picture at top. (+ extract of circuit diagram)
• To remove store/lock.
• Set does not retune or program etc
• Colour disappears with VCR-scan (picture search). (picture attached)
• Picture appears slowly.
• Hotel mode. (20GR105259H PHILIPS repair tip)
• Sound varies with picture content.
• Programme tuning difficulty. Stations has shifted on tuning bar.
• Unstable tuning.
• No frame or short frame. (with circuit diagram extract) (service info for PHILIPS -20GR105259H)
• No start up. No standby. Attempts to start up, but fails.
• No start-up. Standby LED flashes .
• Appliance is dead with standby LED flashing after a few seconds. (extract of circuit diagram attached)
• Colours flickers and disappears.
• No switch on after activating mains switch. Whistling noise. (with circuit diagram extract)
• No functions. Sound buzzes in loudspeaker. (with circuit diagram extract)
• Green picture. (20GR105259H PHILIPS repair tip)
• No power with abnormal sound. (part of circuit diagram displayed)
• No audio.
• Does not start. Slight buzzing in loudspeaker.
• Reluctant to start from cold (picture attached) (PHILIPS - 20GR105259H information)
• No colour in OSD.
• "Store" key does not work. (extract of circuit diagram attached)
• Dead. Strange noises from PSU/ line output transformer. (with circuit diagram extract)
• Tuning drifts. (+ extract of circuit diagram)
• No function. Motorboating from PSU. TV starts up randomly. Intermittent fault.
• 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)
• Cannot change tuning or stored settings. (with circuit diagram extract)
• Set goes accidentally into hotel mode.
• No function. When switching on with RC, standby LED lights up. (part of circuit diagram displayed)
• +B very high. (part of circuit diagram displayed)
• Focus adjustment.
• Reduced horizontal size. (picture attached) (20GR105259H tips)
• Stuck in hotel mode.
• Unstable tuning.
• Volume varies. depending on picture content. (part of circuit diagram displayed)
• No channel search. No OSD. (extract of circuit diagram attached)
• No line output.
• Adjustment of +95V. (picture attached)
• Stops working every 2 or 3 hrs. Only starts again after switching off and on again.
• No tuning, no remote volume control. (+ extract of circuit diagram)
• Excessive green.
• Line output stage TS7528 is defective. (part of circuit diagram displayed)
• How to reset microprocessor.
• Drive for high voltage missing. (with circuit diagram extract)
• No colour and vertical black bar across screen.
• No transmitters to adjust and the sound is not controllable.
• Delay RF AGC adjustment procedure.
• Line tearing and rope effect.
• Limited volume. No channel search.
• Identification coil adjustment.
• Does not switch on, standby LED OK.
• Right side of picture discoloured.
• Doesn't tune stations correctly. When cold, crossed lines on low UHF channels. (part of circuit diagram displayed)
• Sound increases intermittently or "pops", especially during bright scenes. (with circuit diagram extract)
• How to switch off Hotel-Mode.
• Difficult startup. Rattling sound from line output trafo.
• Trips. at start-up (intermittently). (+ extract of circuit diagram)
• +9V supply modification. (picture attached)
• Sometimes when turned on, green screen only with flyback lines, at other times no tuning and channel will not change. (picture attached)
• Excessive brightness.
• Blank raster. No audio. after a while. (with circuit diagram extract)
• Does not stop on stations.
• Slow hiccup (+ extract of circuit diagram)
• Line output stage only starts up for a short time. (extract of circuit diagram attached)
• No start up, just a buzzing noise in speakers. (with circuit diagram extract)
• No picture. Audio OK .
• Description of SMPS. (part of circuit diagram displayed)
• Stuck in standby. (+ extract of circuit diagram)
• Very slight vertical foldover with interferences similar to EHT arcing, especially on very white scenes.
• How to switch OFF Hotel-Mode.
• Green picture after few hours, intermittently fault disappears for short while when switching from a station to another. Strange characters in OSD.
• No sound or picture. Low hum from speaker. (+ extract of circuit diagram) (20GR105259H tips)
• No tuning. (extract of circuit diagram attached)
• No horizontal synchronisation. (with circuit diagram extract)
• No tuning possible, F2 appears on bottom of picture and S1 on top.
• Volume goes to max. No volume control.
• Change of C2523.
• How to enter/exit HOTEL mode.
• Error messages indicated by front display flashing. (with circuit diagram extract)
• No sound. Picture OK. After a short time TV stops. High frequency noise from PSU. (extract of circuit diagram attached)
• Protection device (thyristor THY6641) is triggered at switch on. (with circuit diagram extract)
• No vertical deflection. (picture attached) (PHILIPS - 20GR105259H information)
• Line output stage does not start up. (+ extract of circuit diagram)
• Slow start-up.
• Unstable tuning.
• No colour.
• Intermittently dead. (extract of circuit diagram attached)
• No colour.
• 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 freeze frame or intermittent freeze frame; no sound. (picture attached)
• Noise in audio.
• Enable Hotel mode. Disable hotel mode.
• Tuning drift, when it is hot the tuning is lost on channel change.
• Processor numbers (changed).
• No audio.
• Reduced vertical size. at top.
• Appliance hums slightly (no speaker) horizontal end stage and power supply transistor are ok. Unfortunately no service instructions available.
• Intermittent green picture, channels cannot be programmed. (extract of circuit diagram attached)
• Dead set. Tries to start.
• Wavy picture. on the right.
• Buzzing sound then switches off.
• Unstable tuning.
• Dark picture. Audio OK .
• Becomes defective immediately after switch on.
• Buzz in audio. No picture.
• Bell filter adjustment procedure. (service info for PHILIPS -20GR105259H)
• No functions. Standby LED flashes. Relay switches to ON.
• Vertical roll. (extract of circuit diagram attached)
• Red picture. Flyback lines.
• Excessive horizontal size.
• Picture only in two bars in upper screen section, the rest is dark. (with circuit diagram extract)
• Blank or green raster. Flyback lines. Faint picture or normal picture. (with circuit diagram extract)
• How to de-activate volume limiter.
• Line output transistor TR7528 fails at switch on. (20GR105259H tips)
• No start-up. intermittently.
• Green picture with retrace lines. After a few restarts picture OK.
• Connection of a loop system to the TV.
• Replacing the EAROM. (with circuit diagram extract)
• Intermittent channel drift in UHF. Channel search OK. VHF OK. (20GR105259H tip from PHILIPS)
• Low audio. (extract of circuit diagram attached) (20GR105259H PHILIPS repair tip)
• Does not shut down (when cold).
• Picture displays lines and strange foldover effect at centre.
• Microprocessor screening plate. (+ extract of circuit diagram)
• Colour amplitude and phase adjustment procedure.
• Defective IC7103 SV-production. (part of circuit diagram displayed)
• How to de-activate Hotel-Mode.
• Vertical line. on the right half screen. (part of circuit diagram displayed)
• Vertical vibration in cold condition of set. (20GR105259H tip from PHILIPS)
• To put into hotel mode.
• No functions. after start-up (intermittently).
• No picture. No audio. (part of circuit diagram displayed)
• Sound varies with picture content.
• Sound varies with picture content.
• Power supply fault finding. (picture attached)
• Memory loss. (extract of circuit diagram attached) (service info for PHILIPS -20GR105259H)
• Intermittent colour. (20GR105259H tip from PHILIPS)
• Switches off by itself. after a while. (extract of circuit diagram attached)
• No HV.
• No voltage from PSU, computer does not work. (part of circuit diagram displayed)
• Excessive HV. after a while.
• Set dead with just 5V on the 95V line. Standby LED is on but set won't start. (+ extract of circuit diagram)
• Change of C2523. (20GR105259H PHILIPS repair tip)
• No tuning - no channels.
• No colour.
• Excessive vertical size.
• Frame has shifted sideways. Appliance whistles and does not oscillate correctly. (picture attached)
• No regulation. (with circuit diagram extract)
• No tuning.
• Random breakdown of line output transistor. (part of circuit diagram displayed)
• CRT types.
• Line transistor 7528 blows within 1 sec. (+ extract of circuit diagram)
• Poor synchronisation. when cold. (with circuit diagram extract) (service info for PHILIPS -20GR105259H)
• Automatic fine tuning (AFT) field alignment procedure.
• Lines on picture after approx one hour. It consists of a band of bright white lines about two inches wide. (picture attached)
• Change of C2523.
• No line output stage. (part of circuit diagram displayed)
• Intermittently no picture and sound at switch on. Buzz from speaker. (with circuit diagram extract)
• No colour. (picture attached)
• Search jumps on UHF.
• Initial volume level is higher than maximum Hotel mode setting.
• Cannot be programmed and search does not function. Only limited volume adjustable. (PHILIPS - 20GR105259H information)