20GR105665R / PHILIPS [TV]

• Power supply fault finding. (extract of circuit diagram attached)
• No functions. Hum in loudspeaker. No LED lit.
• Poor sound, cannot be adjusted louder. When adjusting, sound cuts out. (+ extract of circuit diagram) (service info for PHILIPS -20GR105665R)
• Line output stage does not start up. (picture attached)
• No sound. Picture OK. After a short time TV stops. High frequency noise from PSU. (extract of circuit diagram attached)
• Trips. at start-up (intermittently). (extract of circuit diagram attached)
• Strongly distorted sound by low volume.
• Protection device (thyristor THY6641) is triggered at switch on. (+ extract of circuit diagram)
• Noise in sound. Mute does not function.
• Searches for channels continuously. (picture attached) (20GR105665R tips)
• Green raster. Faint picture. Flyback lines.
• Delay RF AGC adjustment procedure. (20GR105665R tip from PHILIPS)
• During picture changes sometimes a volume increase (plop) is heard. (+ extract of circuit diagram)
• Low audio. (part of circuit diagram displayed)
• No line output stage. (picture attached)
• No frame or short frame. (+ extract of circuit diagram)
• Tuning drift, when it is hot the tuning is lost on channel change.
• CRT types.
• The tone (sound) tunes well, but the volume cannot be raised.
• Line output stage TS7528 is defective. (part of circuit diagram displayed)
• Green screen and at other times no tuning. (with circuit diagram extract)
• Picture displays lines and strange foldover effect at centre.
• No switch on after activating mains switch. Whistling noise. (with circuit diagram extract)
• +9V supply modification. (with circuit diagram extract) (20GR105665R PHILIPS repair tip)
• Intermittent colour and intermittent dark vertical bar on picture.
• Vertical vibration in cold condition of set.
• No regulation. (with circuit diagram extract)
• Intermittent green picture, channels cannot be programmed. (picture attached)
• Appliance hums slightly (no speaker) horizontal end stage and power supply transistor are ok. Unfortunately no service instructions available.
• No start-up. Standby LED flashes . (20GR105665R PHILIPS repair tip)
• Bell filter adjustment procedure.
• Picture shifted horizontally. (part of circuit diagram displayed)
• The removal of leaded diodes. (picture attached)
• How to switch off Hotel-Mode.
• Colour sync adjustment procedure.
• Dead set. Tries to start.
• How to de-activate volume limiter.
• Correction to service manual LOT winding.
• Adjustment of +95V. (+ extract of circuit diagram) (20GR105665R PHILIPS repair tip)
• Line tearing. on lower half screen. (picture attached) (20GR105665R tip from PHILIPS)
• Intermittent channel drift in UHF. Channel search OK. VHF OK.
• Does not start up. Light buzz from loudspeaker. Standby LED produces one brief blink.
• No function. When switching on with RC, standby LED lights up. (picture attached) (service info for PHILIPS -20GR105665R)
• 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)
• Display goes to F1 a few seconds after switching the set on.
• No picture. Audio OK .
• No functions, hum in loudspeakers. (+ extract of circuit diagram) (20GR105665R tip from PHILIPS)
• Enable Hotel mode.
• Reluctant to start from cold (+ extract of circuit diagram)
• Vertical size varies. intermittently.
• Buzzing.
• Line out of phase. Black band in centre of screen. No colour.
• No picture. OSD OK .
• No power with abnormal sound. (part of circuit diagram displayed)
• No function. Standby LED flashes briefly. (+ extract of circuit diagram)
• No colour in OSD. (20GR105665R PHILIPS repair tip)
• Buzzing sound then switches off.
• Vertical amplitude cannot be fully adjusted, TXT lines can be seen. (extract of circuit diagram attached) (20GR105665R tips)
• No audio.
• LED switches on then off immediately.
• No standby, humming and standby LED blinks.
• Print with linearity coil pos. 5800.
• Dead, very slight whistle from PSU.
• Difficult to tune programmes, stations shifted on tuning bar. (PHILIPS - 20GR105665R information)
• No functions. Standby LED flashes. Relay switches to ON.
• No channel search. No OSD. (extract of circuit diagram attached)
• Production change to line drive. (part of circuit diagram displayed)
• Humming, motor noise and other unusual noises. Normal picture.
• No operation.
• Does not switch on, standby LED OK.
• Picture only in two bars in upper screen section, the rest is dark. (+ extract of circuit diagram) (PHILIPS - 20GR105665R information)
• 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.
• No +9V, line output stage is OK. (picture attached)
• U743 tuner replacement. (with circuit diagram extract)
• Limited volume. No channel search.
• Intermittently dead. (+ extract of circuit diagram)
• Set goes accidentally into hotel mode.
• No start up from cold and humming.
• No start-up. (part of circuit diagram displayed)
• No tuning. No channel lock. (+ extract of circuit diagram) (20GR105665R tip from PHILIPS)
• Settings do not stay in position.
• Difficultly in tuning to correct position.
• Won't tune a new channel. Won't activate store function. Picture OK. Sound OK.
• No colour.
• LED does not flash. Slight buzz in appliance. (with circuit diagram extract)
• LED flashes once, then gurgles. (+ extract of circuit diagram)
• Picture appears slowly.
• Picture fails for a short time. (+ extract of circuit diagram)
• Volume goes to max. No volume control. (20GR105665R tips)
• No tuning bar when install button pressed and set not in hotel mode. (+ extract of circuit diagram)
• White screen with flyback lines. Excessive brightness which increases until PSU switches to protection mode. (with circuit diagram extract)
• Sound increases intermittently or "pops", especially during bright scenes. (+ extract of circuit diagram)
• Replacing the EAROM. (extract of circuit diagram attached)
• Blank raster. Flyback lines. (part of circuit diagram displayed)
• Excessive vertical size. (20GR105665R tips)
• Drive for high voltage missing. (extract of circuit diagram attached)
• Dead. Strange noises from PSU/ line output transformer. (with circuit diagram extract)
• Defective purity.
• Picture is poor with rippling on verticals. (+ extract of circuit diagram)
• To put into hotel mode.
• No colour. (service info for PHILIPS -20GR105665R)
• Only some programs with snowy picture can be tuned and on band 1 missing some programs. (part of circuit diagram displayed)
• Memory cannot be opened via "rhombus". Stored channels cannot be changed.
• No horizontal synchronisation. (part of circuit diagram displayed)
• No or intermittent start-up. (with circuit diagram extract) (20GR105665R tip from PHILIPS)
• Only half a picture. (picture attached)
• Frame has shifted sideways. Appliance whistles and does not oscillate correctly. (part of circuit diagram displayed)
• Standby just pulsing.
• Green picture.
• Poor reproduction of copy protected tapes. (part of circuit diagram displayed) (20GR105665R tip from PHILIPS)
• Dead. At switch on the stand by LED flashes.
• Line tearing and rope effect.
• Whistling.
• No sound or raster. The 95V HT supply is present at the line output stage but there is no line drive. (picture attached)
• Dead. (extract of circuit diagram attached)
• Green picture. after warm-up. Lines in picture. after warm-up. Does not change channels.
• Intermittent colour.
• After switching on the CTV "EXT...1.2.3..." appears on the screen.
• Sound returns gradually after channel change. (+ extract of circuit diagram)
• Unstable tuning.
• Unstable tuning.
• Picture separating line appears. Whistling. (PHILIPS - 20GR105665R information)
• PSU switches off with load at U95V. (with circuit diagram extract)
• Colour amplitude and phase adjustment procedure.
• Excessive HV. after a while.
• Dead. Only standby-LED works. Responds to TURN ON command, but no image and no sound.
• Line down middle of screen. (+ extract of circuit diagram)
• Tripping. (part of circuit diagram displayed) (service info for PHILIPS -20GR105665R)
• The switched-mode power supply cannot be loaded.
• Does not regulate +95V.
• Tuning procedure. (PHILIPS - 20GR105665R information)
• Low 5V to micro chip. (with circuit diagram extract)
• Unable to tune or set volume in Prefix mode.
• Green picture. (picture attached)
• No functions. after start-up (intermittently). (PHILIPS - 20GR105665R information)
• Skips channels during tuning. (extract of circuit diagram attached)
• Sound varies with picture content.
• 10V on 95V line. (picture attached)
• Rolling or jittering picture. (with circuit diagram extract)
• Sound goes to max. intermittently and HT varies. (+ extract of circuit diagram)
• No picture. No audio. (+ extract of circuit diagram)
• Line transistor 7528 blows within 1 sec. (part of circuit diagram displayed)
• Intermittently dead. after start-up.
• Control micro processors.
• Quick hiccup. (+ extract of circuit diagram)
• White balance adjustment.
• Line output stage only starts up for a short time. (part of circuit diagram displayed)
• No tuning - no channels.
• Initial volume level is higher than maximum hotel mode setting.
• Connection of a loop system to the TV.
• No voltage from PSU. (extract of circuit diagram attached) (20GR105665R PHILIPS repair tip)
• How to switch off Hotel-Mode: (20GR105665R tip from PHILIPS)
• How to reset microprocessor.
• Line output transistor TR7528 fails at switch on.
• Right side of picture discoloured.
• Programme tuning difficulty, stations shifted on tuning bar. (+ extract of circuit diagram)
• Skips channels during tuning. only on certain channels.
• White unmodulated raster. Picture missing. (extract of circuit diagram attached)
• Doesn't tune stations correctly. When cold, crossed lines on low UHF channels. (with circuit diagram extract) (20GR105665R PHILIPS repair tip)
• Change of C2523. (PHILIPS - 20GR105665R information)
• Red picture. Flyback lines.
• Standby LED lights up and switches off at power on. Appliance will not start up.
• Crackling and popping in sound after a short time.
• Error messages indicated by front display flashing. (+ extract of circuit diagram) (20GR105665R tip from PHILIPS)
• How to enter/exit HOTEL mode.
• No connection for headphone.
• Picture passes out in the centre. (20GR105665R PHILIPS repair tip)
• The TV does not stop during the tuning phase.
• Volume change with great fluctuations in brightness. (extract of circuit diagram attached)
• Set dead with just 5V on the 95V line. Standby LED is on but set won't start. (picture attached)
• Will not tune, drifts, colour disappears or interference on a certain channel. (e.g. channel 5 and 59)
• PSU check.
• Fizzling sound from speakers at start-up and intermittently picture jagged.
• 95V available. 9V is only 5.2V. Slight buzzing from loudspeakers.
• Trips. (with circuit diagram extract)
• Secondary main power supply OK except +9V at 5.8V
• Field collapse normally with blank picture. (picture attached)
• No functions. Slow start-up. (part of circuit diagram displayed)
• Poor sync. AGC fault.
• Blank raster. OSD OK . (service info for PHILIPS -20GR105665R)
• Bright picture. Flyback lines.
• Slight foldover at upper part of picture if appliance is switched on when cold. Fault disappears after few minutes. (picture attached)
• PAL colour amplitude adjustment procedure.
• Unstable tuning.
• No tuning. only on certain channels.
• Excessive horizontal size.
• R-Y and B-Y discriminator adjustment procedure. (with circuit diagram extract)
• No tuning.
• No tuning possible, F2 appears on bottom of picture and S1 on top. (20GR105665R tip from PHILIPS)
• SIF DET adjustment procedure.
• Loosing colour during play-back of a video tape. (extract of circuit diagram attached)
• Picture shifted to the right. (extract of circuit diagram attached)
• Blown chopper. (with circuit diagram extract)
• No picture. No sound. Purring sound in loudspeaker. (with circuit diagram extract)
• After working normally for a while the TV blocks in any position. The functions do not work.
• The fuse and the bridge diodes in the power supply blow.
• No picture (when cold).
• Colour disappears with VCR-scan (picture search). (part of circuit diagram displayed)
• Menu rolling. (picture attached)
• Comes on for a short time.
• Service manual correction. (part of circuit diagram displayed)
• Colours flickers and disappears.
• No function, starts up from standby, then goes out.
• Identification coil adjustment.
• Initial volume level is higher than maximum Hotel mode setting.
• Memory content dropout at positions 4 and 5.
• Colour flickers. No colour. after a while. (with circuit diagram extract)
• Tuning drifts. (picture attached)
• Power supply does not oscillate. (extract of circuit diagram attached)
• Change of C2523.
• No picture. No sound. Switching on and off from Standby OK.
• Intermittent destruction of line o/p transistor. (part of circuit diagram displayed)
• Dark picture. Audio OK .
• Modification at line transformer position 5530. (picture attached)
• No functions. Sound buzzes in loudspeaker. (+ extract of circuit diagram)
• Using a lamp as a load.
• 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.
• Green picture.
• No function. Motorboating from PSU. TV starts up randomly. Intermittent fault.
• Initial volume level is higher than maximum Hotel mode setting.
• Local controls inoperative. (PHILIPS - 20GR105665R information)
• PSU peeps +95 is ca 0,8v
• No picture and sound. Low hum intermittently, no function.
• No tuning. Impossible to change analog control adjustments (brightness, sound, etc.). (+ extract of circuit diagram)
• No audio.
• Vertical oscillator adjustment procedure.
• Buzz in audio. No picture.
• Slow hiccup (extract of circuit diagram attached)
• SOPS defective. (extract of circuit diagram attached)
• Reduced horizontal size. (+ extract of circuit diagram)
• Whistling from PSU. (part of circuit diagram displayed)
• Sound varies with picture content.
• Horizontal white line.
• Automatic fine tuning (AFT) field alignment procedure.
• No transmitters to adjust and the sound is not controllable. (20GR105665R tip from PHILIPS)
• Two lines going around. (picture attached)
• Smeary, washed out picture with bent verticals. (+ extract of circuit diagram)
• Picture is faint with hanover bars. (+ extract of circuit diagram)
• Store lock on the appliance.
• No audio.
• "Store" key does not work. (part of circuit diagram displayed)
• Description of SMPS. (+ extract of circuit diagram)
• Programs and PP-settings cannot be changed.
• Slow start up of power supply. (+ extract of circuit diagram)
• Enter service mode.
• Replacement of surface mounted diode 6637. (+ extract of circuit diagram)
• Set won't tune to high frequency channels and lower frequency channels appear to be higher. (part of circuit diagram displayed)
• Wavy picture. on the right.
• Set does not retune or program etc
• Buzz in audio (intermittently). (part of circuit diagram displayed)
• Green picture after few hours, intermittently fault disappears for short while when switching from a station to another. Strange characters in OSD.
• Search jumps on UHF.
• No HT from chopper circuit. (picture attached)
• No picture. (extract of circuit diagram attached)
• Does not shut down (when cold). (PHILIPS - 20GR105665R information)
• No picture, sound ok but on turning up A1 control, frame collapse. (extract of circuit diagram attached)
• Slow start-up. (service info for PHILIPS -20GR105665R)
• Blue picture. Coloured lines.
• No audio.
• Dead with whistling noise coming from power supply. (+ extract of circuit diagram)
• Green picture with retrace lines. After a few restarts picture OK.
• No line output.
• Stored channels drift off tune briefly after switch on. Crackle in sound. (20GR105665R PHILIPS repair tip)
• Replacement of TDA7052 with a TDA7052A. (20GR105665R tip from PHILIPS)
• The TV cannot hold the picture.
• Cannot change tuning or stored settings. (+ extract of circuit diagram) (service info for PHILIPS -20GR105665R)
• Change of C2523.
• Unable to retune set or set analogue levels. Store-lock option may be on "Hotel mode".
• Does not stop on stations.
• Sound varies with picture content.
• Search jumps on UHF.
• No start up. No standby. Attempts to start up, but fails.
• Buzzing from PSU. when cold. (with circuit diagram extract)
• No audio.
• Programme channel search cannot be called up.
• Dead. Low hum.
• Stuck in standby. (part of circuit diagram displayed)
• To improve performance with prerecorded cassettes. (extract of circuit diagram attached)
• Error codes. (20GR105665R tips)
• Switches off by itself. after a while. (extract of circuit diagram attached)
• Turns on automatically. No RC or front panel controls.
• Intermittently narrow picture, but corrects itself shortly after.
• How to de-activate Hotel-Mode:
• Noise in audio.
• No picture. TXT OK . (picture attached)
• Tuning drifts. only on certain channels.
• Lines across top of picture about 8" in first 100 lines. (part of circuit diagram displayed)
• No start up, just a buzzing noise in speakers. (extract of circuit diagram attached)
• Excessive green.
• Dead. Power LED is OFF (ON in standby). Hissing from PSU.
• Stuck in hotel mode.
• Search jumps on UHF.
• Memory loss. (+ extract of circuit diagram)
• Programme tuning difficulty. Stations has shifted on tuning bar.
• 6613 type change. (+ extract of circuit diagram)
• No freeze frame or intermittent freeze frame; no sound. (part of circuit diagram displayed)
• Vertical collapse. (extract of circuit diagram attached)
• New infra red receiver.
• Streaks in picture. Picture pulls and rolls intermittently.
• Control panel cover. (20GR105665R tip from PHILIPS)
• No sound. No picture. Faint motorboating noise.
• No function. Standby-LED lights up. Appliance switches on but no picture or sound.
• Low frequency noise on sound.
• PSU does not start up, if appliance was switched off for a day. Appliance functions after short switch on/off. (with circuit diagram extract)
• Tuning drifts. only on certain channels (after a while).
• Squealing from PSU.
• Appliance is dead with standby LED flashing after a few seconds. (+ extract of circuit diagram)
• 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)
• Dead. Low frequency noise on sound. (20GR105665R tip from PHILIPS)
• No switch on. Low noise on sound. (extract of circuit diagram attached)
• Green screen with flyback line. No picture. OSD OK.
• Bright flash on screen and no picture or sound after a few minutes. (+ extract of circuit diagram)
• No functions. when cold.
• Horizontal oscillator adjustment procedure.
• Line tearing, especially with bright scences. (with circuit diagram extract)
• Line output stage does not function.
• Picture shifts. (extract of circuit diagram attached)
• Stops at start up. (+ extract of circuit diagram)
• No start-up. intermittently (when cold). (part of circuit diagram displayed)
• Volume can't be tuned down. No tuning with RC. (picture attached)
• Line output transistor becomes warm and in the course of time it becomes defective. (part of circuit diagram displayed)
• High voltage transistor defective after a while.
• Height excessive. Defective linearity. Field blanking. (picture attached)
• Line output transistor fails repeatedly. (extract of circuit diagram attached)
• Switches to standby. (picture attached)
• Bright flash on screen. No picture or sound. (extract of circuit diagram attached)
• Unstable tuning.
• +B very high. (with circuit diagram extract)
• Intermittent colour.
• Intermittent audio and picture. (picture attached)
• No voltage from PSU, computer does not work. (part of circuit diagram displayed)
• Doesn't store stations correctly.
• Field foldover at switch on from cold. Effect disappears when appliance warms up. (extract of circuit diagram attached)
• No tuning. (picture attached)
• Initial volume level is higher than maximum Hotel mode setting.
• Enable Hotel mode. Disable hotel mode.
• Does not start up at once from cold.
• Appliance does not function with standby light flashing.
• Vertical roll. (extract of circuit diagram attached)
• Interference in audio. Interference in picture. (picture attached)
• No switch on. Weak whistling noise from PSU. LED is OFF.
• Defective IC7103 SV-production. (+ extract of circuit diagram)
• Set comes on in store lock mode. (extract of circuit diagram attached)
• Unregulated power supply. Pulsating picture and surging sound. (+ extract of circuit diagram)
• No line start up; +95 available; +9V is about 4.5V. (part of circuit diagram displayed)
• Colours flicker and disappears.
• Line output transistor running hot. (picture attached)
• Appliance can not be programmed. Search does not function. Only limited volume control.
• Change of C2523.
• No colour and vertical black bar across screen.
• Intermittent colour.
• Excessive brightness.
• Green screen with flyback lines. Green oscillations. Noise as if HV leaky on picture tube base. (picture attached)
• No colour. (+ extract of circuit diagram)
• Failures in the power supply. (picture attached) (PHILIPS - 20GR105665R information)
• Becomes defective immediately after switch on.
• 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. (part of circuit diagram displayed) (service info for PHILIPS -20GR105665R)
• Spurious nonsense OSG. Goes to standby after 0.5-2hrs. Loss of tuning.
• New IR receiver.
• Does not start. Slight buzzing in loudspeaker.
• Vertical line. on the right half screen. (extract of circuit diagram attached)
• Dead. Only hum from speakers. (picture attached)
• Whistle.
• 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.
• Poor synchronisation. (+ extract of circuit diagram) (20GR105665R tips)
• Hums softly. (picture attached)
• Appliance will not switch on at times, but hums in the power supply section.
• Cannot be programmed and search does not function. Only limited volume adjustable.
• Intermittently no picture and sound at switch on. Buzz from speaker. (part of circuit diagram displayed)
• No picture or sound but RCU works correctly. LED flashes when the handset is tried. (with circuit diagram extract)
• No SOP supply. (extract of circuit diagram attached)
• How to de-activate Hotel mode.
• Poor synchronisation. when cold. (with circuit diagram extract)
• Dead due to action of over voltage protection circuit.
• No OSD. Picture OK .
• Very slight vertical foldover with interferences similar to EHT arcing, especially on very white scenes.
• No tuning, no remote volume control. (with circuit diagram extract)
• Processor numbers (changed).
• No sound or picture. Low hum from speaker. (picture attached) (20GR105665R tips)
• Random breakdown of line output transistor. (+ extract of circuit diagram)
• No HV.
• Does not switch on. LED is lit in standby. If appliance is switched on with RC, LED switches off.
• V-centre adjustment procedure.
• Stored channels are partially lost.
• Stops working every 2 or 3 hrs. Only starts again after switching off and on again.
• Loud chriping after switch on. It becomes lower after a short time. (20GR105665R PHILIPS repair tip)
• Horizontal hold adjustment procedure.
• No audio.
• No vertical deflection. (+ extract of circuit diagram)
• No start-up. when cold. (picture attached) (20GR105665R PHILIPS repair tip)
• Hazy flickering picture at top. (+ extract of circuit diagram)
• Picture shifted to the left. intermittently. Line tearing. intermittently. (+ extract of circuit diagram)
• Distorted audio. (20GR105665R tips)
• No start-up. Buzzing from speakers and working noise of PSU.
• After replacement of the line output transistor BUT12, picture with trapezoid effect, BUT12 overheats and goes defective again. (+ extract of circuit diagram)
• Microprocessor screening plate. (with circuit diagram extract)
• No function at switch on from standby. Switches to LOCK (hotel) mode. (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)
• How to switch OFF Hotel-Mode.
• Right hand side of screen has a line.
• Hotel mode.
• Modification introduced to +9V supply.
• Blank raster. No audio. after a while. (picture attached)
• Lines on picture after approx one hour. It consists of a band of bright white lines about two inches wide. (with circuit diagram extract)
• Dim picture with Hanover bars.
• No power supply start up in loaded condition (eg. with lamp).
• Occasionally appliance does not switch on from standby. No further functions are possible.
• Reduced vertical size. at top.
• How to de-activate Hotel-Mode.
• Dark picture. (20GR105665R tip from PHILIPS)
• Comes on in standby. When program button pressed standby lamp blinks then goes off.
• Picture centering has shifted horizontally. No OSD.
• Tuning menu can not be called. All other functions OK.
• Colours flickers and disappears.
• Low audio.
• Focus adjustment.
• Sound motorboating when cold. (picture attached)
• Change of C2523.
• Dead. Low level buzz from loudspeaker. (extract of circuit diagram attached)
• Volume varies. depending on picture content. (extract of circuit diagram attached)
• Line chirps intermittently. Appliance does not start. Only hum from loudspeakers.
• No colour.
• Chopper inoperative. (extract of circuit diagram attached)
• Line output transistor replacement.
• Stations won't change. Picture and sound OK. Other functions OK.
• Programming unoperational. Limited sound adjustment possible. (service info for PHILIPS -20GR105665R)
• Dim picture with Hanover bars visible. (part of circuit diagram displayed)
• No tuning or on screen tuning display.
• Microcomputers and screening plate. (service info for PHILIPS -20GR105665R)
• Hotel Mode activates by itself. (with circuit diagram extract)
• To remove store/lock.
• Difficult startup. Rattling sound from line output trafo.
• No start-up. intermittently.
• Picture is mostly green with flyback lines after 10 secs from switch on.
• Sound varies with picture content.
• Initial volume level is higher than maximum Hotel mode setting.
• To release hotel mode (child lock). (20GR105665R tips)
• Reluctant to start up from cold.
• Blank or green raster. Flyback lines. Faint picture or normal picture. (+ extract of circuit diagram)