20GR105675R / PHILIPS [TV]

• To improve performance with prerecorded cassettes. (with circuit diagram extract)
• No picture. No audio. (extract of circuit diagram attached)
• Tuning procedure.
• Change of C2523.
• Protection device (thyristor THY6641) is triggered at switch on. (picture attached)
• Loosing colour during play-back of a video tape. (extract of circuit diagram attached)
• Power supply does not oscillate. (+ extract of circuit diagram)
• New IR receiver.
• Processor numbers (changed).
• Appliance will not switch on at times, but hums in the power supply section.
• No voltage from PSU. (with circuit diagram extract)
• No colour and vertical black bar across screen.
• White screen with flyback lines. Excessive brightness which increases until PSU switches to protection mode. (part of circuit diagram displayed)
• LED switches on then off immediately.
• No line output stage. (part of circuit diagram displayed)
• No power supply start up in loaded condition (eg. with lamp).
• How to enter/exit HOTEL mode.
• No tuning. only on certain channels.
• No audio.
• Green picture. (picture attached) (service info for PHILIPS -20GR105675R)
• Modification introduced to +9V supply.
• Automatic fine tuning (AFT) field alignment procedure.
• Change of C2523.
• Line output transistor becomes warm and in the course of time it becomes defective. (extract of circuit diagram attached) (20GR105675R tip from PHILIPS)
• No sound. Picture OK. After a short time TV stops. High frequency noise from PSU. (with circuit diagram extract)
• SOPS defective. (part of circuit diagram displayed)
• Error codes.
• Streaks in picture. Picture pulls and rolls intermittently.
• Enable Hotel mode. Disable hotel mode. (service info for PHILIPS -20GR105675R)
• Hazy flickering picture at top. (with circuit diagram extract)
• Line output stage only starts up for a short time. (picture attached)
• No start up from cold and humming.
• No functions. after start-up (intermittently).
• No function, starts up from standby, then goes out.
• After working normally for a while the TV blocks in any position. The functions do not work.
• Intermittent colour.
• Colour amplitude and phase adjustment procedure.
• The switched-mode power supply cannot be loaded. (20GR105675R PHILIPS repair tip)
• Dead. Low hum.
• Loud chriping after switch on. It becomes lower after a short time.
• Poor reproduction of copy protected tapes. (+ extract of circuit diagram) (20GR105675R PHILIPS repair tip)
• No functions. Slow start-up. (part of circuit diagram displayed)
• How to de-activate Hotel-Mode:
• Picture fails for a short time. (part of circuit diagram displayed)
• High voltage transistor defective after a while.
• Picture shifted to the right. (with circuit diagram extract) (20GR105675R PHILIPS repair tip)
• Intermittent green picture, channels cannot be programmed. (picture attached)
• Unstable tuning.
• Dead, very slight whistle from PSU.
• No freeze frame or intermittent freeze frame; no sound. (with circuit diagram extract)
• Slow hiccup (part of circuit diagram displayed) (service info for PHILIPS -20GR105675R)
• Set dead with just 5V on the 95V line. Standby LED is on but set won't start. (+ extract of circuit diagram)
• Enter service mode.
• Random breakdown of line output transistor. (+ extract of circuit diagram)
• Picture shifts. (picture attached)
• Low 5V to micro chip. (+ extract of circuit diagram)
• No audio.
• Programs and PP-settings cannot be changed.
• No switch on after activating mains switch. Whistling noise. (part of circuit diagram displayed)
• Reluctant to start up from cold.
• After switching on the CTV "EXT...1.2.3..." appears on the screen.
• No start-up. intermittently (when cold). (extract of circuit diagram attached)
• Buzzing.
• Unable to retune set or set analogue levels. Store-lock option may be on "Hotel mode".
• PSU check.
• White balance adjustment.
• Stored channels drift off tune briefly after switch on. Crackle in sound.
• Identification coil adjustment. (service info for PHILIPS -20GR105675R)
• No +9V, line output stage is OK. (with circuit diagram extract)
• After replacement of the line output transistor BUT12, picture with trapezoid effect, BUT12 overheats and goes defective again. (with circuit diagram extract)
• Turns on automatically. No RC or front panel controls.
• Excessive green.
• No picture. (with circuit diagram extract)
• No frame or short frame. (with circuit diagram extract) (20GR105675R tips)
• No colour.
• Crackling and popping in sound after a short time.
• No switch on. Low noise on sound. (extract of circuit diagram attached)
• Microcomputers and screening plate. (20GR105675R tips)
• Initial volume level is higher than maximum Hotel mode setting.
• Programming unoperational. Limited sound adjustment possible.
• Field foldover at switch on from cold. Effect disappears when appliance warms up. (extract of circuit diagram attached)
• No picture. Audio OK .
• Comes on for a short time.
• Excessive horizontal size.
• No tuning.
• CRT types.
• Dead set. Tries to start.
• Green raster. Faint picture. Flyback lines.
• Memory content dropout at positions 4 and 5.
• Distorted audio. (20GR105675R tips)
• Cannot change tuning or stored settings. (+ extract of circuit diagram)
• Programme tuning difficulty. Stations has shifted on tuning bar.
• Difficultly in tuning to correct position.
• No picture, sound ok but on turning up A1 control, frame collapse. (extract of circuit diagram attached)
• Reluctant to start from cold (with circuit diagram extract)
• Lines across top of picture about 8" in first 100 lines. (part of circuit diagram displayed)
• Poor synchronisation. (part of circuit diagram displayed)
• Production change to line drive. (+ extract of circuit diagram) (PHILIPS - 20GR105675R information)
• Green picture.
• Excessive vertical size.
• No picture. No sound. Switching on and off from Standby OK.
• No function. Standby-LED lights up. Appliance switches on but no picture or sound.
• Menu rolling. (+ extract of circuit diagram)
• Line output stage TS7528 is defective. (extract of circuit diagram attached)
• Dead. (part of circuit diagram displayed)
• No colour.
• Line transistor 7528 blows within 1 sec. (picture attached)
• Does not shut down (when cold).
• No tuning or on screen tuning display.
• Vertical line. on the right half screen. (+ extract of circuit diagram)
• Intermittent destruction of line o/p transistor. (with circuit diagram extract) (20GR105675R PHILIPS repair tip)
• No function. Standby LED flashes briefly. (part of circuit diagram displayed)
• Picture appears slowly. (PHILIPS - 20GR105675R information)
• Store lock on the appliance.
• Dead due to action of over voltage protection circuit.
• Switches to standby. (+ extract of circuit diagram)
• Two lines going around. (part of circuit diagram displayed)
• Control panel cover.
• Volume change with great fluctuations in brightness. (+ extract of circuit diagram)
• No functions. Sound buzzes in loudspeaker. (with circuit diagram extract)
• Bell filter adjustment procedure.
• Search jumps on UHF.
• 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.
• Tuning menu can not be called. All other functions OK. (20GR105675R tips)
• Spurious nonsense OSG. Goes to standby after 0.5-2hrs. Loss of tuning. (service info for PHILIPS -20GR105675R)
• Tuning drifts. only on certain channels (after a while).
• Unstable tuning. (PHILIPS - 20GR105675R information)
• Buzzing sound then switches off.
• Noise in audio.
• No tuning. No channel lock. (part of circuit diagram displayed)
• Rolling or jittering picture. (with circuit diagram extract)
• Poor synchronisation. when cold. (+ extract of circuit diagram)
• No functions, hum in loudspeakers. (part of circuit diagram displayed)
• Initial volume level is higher than maximum Hotel mode setting.
• Occasionally appliance does not switch on from standby. No further functions are possible.
• Bright picture. Flyback lines.
• Poor sync. AGC fault.
• Hotel Mode activates by itself. (+ extract of circuit diagram)
• Horizontal white line.
• Line output transistor running hot. (+ extract of circuit diagram)
• Standby just pulsing.
• Set does not retune or program etc
• No tuning. (picture attached)
• Dim picture with Hanover bars.
• Tuning drifts. (with circuit diagram extract)
• No power with abnormal sound. (extract of circuit diagram attached)
• Picture shifted to the left. intermittently. Line tearing. intermittently. (picture attached) (service info for PHILIPS -20GR105675R)
• Dim picture with Hanover bars visible. (with circuit diagram extract)
• How to de-activate Hotel mode.
• V-centre adjustment procedure.
• The fuse and the bridge diodes in the power supply blow.
• Difficult startup. Rattling sound from line output trafo.
• Green screen with flyback line. No picture. OSD OK.
• Picture displays lines and strange foldover effect at centre.
• No start-up. Standby LED flashes . (20GR105675R PHILIPS repair tip)
• Adjustment of +95V. (picture attached)
• Volume can't be tuned down. No tuning with RC. (part of circuit diagram displayed)
• Line tearing. on lower half screen. (picture attached)
• White unmodulated raster. Picture missing. (picture attached) (20GR105675R tips)
• 95V available. 9V is only 5.2V. Slight buzzing from loudspeakers.
• Initial volume level is higher than maximum Hotel mode setting.
• No HV.
• Change of C2523. (service info for PHILIPS -20GR105675R)
• Buzz in audio (intermittently). (extract of circuit diagram attached)
• Colour disappears with VCR-scan (picture search). (picture attached)
• Description of SMPS. (+ extract of circuit diagram)
• 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) (20GR105675R PHILIPS repair tip)
• Vertical collapse. (part of circuit diagram displayed)
• Stuck in standby. (+ extract of circuit diagram)
• PSU switches off with load at U95V. (part of circuit diagram displayed) (service info for PHILIPS -20GR105675R)
• No HT from chopper circuit. (+ extract of circuit diagram)
• No sound or raster. The 95V HT supply is present at the line output stage but there is no line drive. (picture attached)
• Blank raster. OSD OK .
• Correction to service manual LOT winding.
• Intermittently narrow picture, but corrects itself shortly after.
• Reduced vertical size. at top.
• Stored channels are partially lost.
• No horizontal synchronisation. (with circuit diagram extract)
• No tuning bar when install button pressed and set not in hotel mode. (with circuit diagram extract)
• Intermittent colour.
• How to de-activate volume limiter.
• Dead. Power LED is OFF (ON in standby). Hissing from PSU.
• Only half a picture. (picture attached)
• Does not start up. Light buzz from loudspeaker. Standby LED produces one brief blink.
• No channel search. No OSD. (with circuit diagram extract)
• Excessive brightness.
• Tuning drift, when it is hot the tuning is lost on channel change. (service info for PHILIPS -20GR105675R)
• No OSD. Picture OK .
• Colours flicker and disappears.
• Skips channels during tuning. only on certain channels.
• Switches off by itself. after a while. (extract of circuit diagram attached) (20GR105675R PHILIPS repair tip)
• Very slight vertical foldover with interferences similar to EHT arcing, especially on very white scenes.
• Unstable tuning.
• Focus adjustment.
• Initial volume level is higher than maximum hotel mode setting.
• The TV cannot hold the picture.
• Intermittent colour.
• Line tearing, especially with bright scences. (extract of circuit diagram attached) (20GR105675R PHILIPS repair tip)
• Unregulated power supply. Pulsating picture and surging sound. (+ extract of circuit diagram)
• Excessive HV. after a while.
• U743 tuner replacement. (part of circuit diagram displayed)
• No sound or picture. Low hum from speaker. (picture attached)
• No colour.
• Settings do not stay in position.
• Whistling.
• Sound varies with picture content.
• No picture or sound but RCU works correctly. LED flashes when the handset is tried. (with circuit diagram extract)
• Defective purity. (20GR105675R PHILIPS repair tip)
• Trips. at start-up (intermittently). (with circuit diagram extract)
• Slow start up of power supply. (extract of circuit diagram attached) (service info for PHILIPS -20GR105675R)
• Dead with whistling noise coming from power supply. (extract of circuit diagram attached)
• Buzzing from PSU. when cold. (with circuit diagram extract)
• The removal of leaded diodes. (part of circuit diagram displayed) (20GR105675R tip from PHILIPS)
• Fizzling sound from speakers at start-up and intermittently picture jagged.
• Picture shifted horizontally. (part of circuit diagram displayed)
• Enable Hotel mode.
• Blown chopper. (picture attached) (20GR105675R tip from PHILIPS)
• Stuck in hotel mode.
• Set goes accidentally into hotel mode.
• Vertical size varies. intermittently.
• Control micro processors.
• Low frequency noise on sound.
• How to de-activate Hotel-Mode.
• Bright flash on screen. No picture or sound. (part of circuit diagram displayed)
• Dark picture.
• How to reset microprocessor.
• Does not start up at once from cold.
• Poor sound, cannot be adjusted louder. When adjusting, sound cuts out. (with circuit diagram extract)
• Picture is faint with hanover bars. (picture attached)
• LED flashes once, then gurgles. (picture attached)
• Vertical vibration in cold condition of set.
• The TV does not stop during the tuning phase.
• Does not regulate +95V.
• Sound varies with picture content. (service info for PHILIPS -20GR105675R)
• Standby LED lights up and switches off at power on. Appliance will not start up. (20GR105675R tips)
• Searches for channels continuously. (extract of circuit diagram attached)
• How to switch off Hotel-Mode:
• Low audio.
• No picture. TXT OK . (with circuit diagram extract) (20GR105675R tip from PHILIPS)
• Does not switch on, standby LED OK.
• Stops at start up. (with circuit diagram extract)
• Picture only in two bars in upper screen section, the rest is dark. (with circuit diagram extract)
• Using a lamp as a load.
• No functions. Hum in loudspeaker. No LED lit. (20GR105675R PHILIPS repair tip)
• Failures in the power supply. (with circuit diagram extract)
• 10V on 95V line. (extract of circuit diagram attached)
• Appliance is dead with standby LED flashing after a few seconds. (picture attached) (service info for PHILIPS -20GR105675R)
• Sound motorboating when cold. (extract of circuit diagram attached)
• Right side of picture discoloured.
• Buzz in audio. No picture.
• Modification at line transformer position 5530. (+ extract of circuit diagram)
• Vertical roll. (+ extract of circuit diagram)
• Print with linearity coil pos. 5800.
• Volume goes to max. No volume control.
• Does not switch on. LED is lit in standby. If appliance is switched on with RC, LED switches off.
• Red picture. Flyback lines. (20GR105675R PHILIPS repair tip)
• Line chirps intermittently. Appliance does not start. Only hum from loudspeakers. (20GR105675R PHILIPS repair tip)
• No function. When switching on with RC, standby LED lights up. (part of circuit diagram displayed)
• Blue picture. Coloured lines.
• Sound varies with picture content.
• Will not tune, drifts, colour disappears or interference on a certain channel. (e.g. channel 5 and 59)
• No function. Motorboating from PSU. TV starts up randomly. Intermittent fault.
• PSU does not start up, if appliance was switched off for a day. Appliance functions after short switch on/off. (+ extract of circuit diagram)
• Dead. Only standby-LED works. Responds to TURN ON command, but no image and no sound.
• Tuning drifts. only on certain channels.
• Error messages indicated by front display flashing. (part of circuit diagram displayed)
• 6613 type change. (part of circuit diagram displayed)
• Delay RF AGC adjustment procedure.
• Initial volume level is higher than maximum Hotel mode setting.
• Unable to tune or set volume in Prefix mode.
• Appliance does not function with standby light flashing.
• Doesn't store stations correctly.
• No switch on. Weak whistling noise from PSU. LED is OFF.
• Line output transistor replacement.
• SIF DET adjustment procedure.
• Whistling from PSU. (picture attached)
• Programme tuning difficulty, stations shifted on tuning bar. (picture attached)
• Horizontal hold adjustment procedure.
• Programme channel search cannot be called up.
• No audio. (20GR105675R tip from PHILIPS)
• Blank raster. Flyback lines. (+ extract of circuit diagram)
• The tone (sound) tunes well, but the volume cannot be raised.
• No start up. No standby. Attempts to start up, but fails.
• Defective IC7103 SV-production. (with circuit diagram extract) (20GR105675R tips)
• Trips. (+ extract of circuit diagram)
• No SOP supply. (picture attached)
• Slow start-up.
• Sound goes to max. intermittently and HT varies. (with circuit diagram extract) (service info for PHILIPS -20GR105675R)
• No audio. (service info for PHILIPS -20GR105675R)
• To release hotel mode (child lock).
• Drive for high voltage missing. (picture attached)
• Search jumps on UHF.
• Line output transistor TR7528 fails at switch on.
• Dead. Low frequency noise on sound.
• No connection for headphone. (20GR105675R tip from PHILIPS)
• Only some programs with snowy picture can be tuned and on band 1 missing some programs. (picture attached)
• Does not stop on stations.
• Microprocessor screening plate. (picture attached)
• Memory loss. (picture attached)
• Bright flash on screen and no picture or sound after a few minutes. (+ extract of circuit diagram)
• Right hand side of screen has a line.
• No tuning, no remote volume control. (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. (PHILIPS - 20GR105675R information)
• Replacement of TDA7052 with a TDA7052A.
• To put into hotel mode.
• Vertical amplitude cannot be fully adjusted, TXT lines can be seen. (part of circuit diagram displayed)
• Sound varies with picture content.
• No regulation. (picture attached)
• Blank or green raster. Flyback lines. Faint picture or normal picture. (with circuit diagram extract)
• PSU peeps +95 is ca 0,8v
• Connection of a loop system to the TV.
• Replacement of surface mounted diode 6637. (with circuit diagram extract)
• No tuning. Impossible to change analog control adjustments (brightness, sound, etc.). (with circuit diagram extract)
• Memory cannot be opened via "rhombus". Stored channels cannot be changed.
• No audio.
• 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)
• Sound returns gradually after channel change. (+ extract of circuit diagram)
• "Store" key does not work. (+ extract of circuit diagram)
• Whistle.
• To remove store/lock.
• Frame has shifted sideways. Appliance whistles and does not oscillate correctly. (picture attached)
• PAL colour amplitude adjustment procedure.
• Appliance hums slightly (no speaker) horizontal end stage and power supply transistor are ok. Unfortunately no service instructions available.
• No tuning - no channels. (20GR105675R tips)
• No audio. (service info for PHILIPS -20GR105675R)
• No standby, humming and standby LED blinks.
• Service manual correction. (with circuit diagram extract)
• Display goes to F1 a few seconds after switching the set on.
• Quick hiccup. (+ extract of circuit diagram)
• Horizontal oscillator adjustment procedure. (20GR105675R tips)
• Change of C2523.
• Intermittently no picture and sound at switch on. Buzz from speaker. (+ extract of circuit diagram)
• New infra red receiver.
• Strongly distorted sound by low volume.
• Comes on in standby. When program button pressed standby lamp blinks then goes off.
• 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 transmitters to adjust and the sound is not controllable.
• Green screen with flyback lines. Green oscillations. Noise as if HV leaky on picture tube base. (with circuit diagram extract)
• Green picture with retrace lines. After a few restarts picture OK.
• No colour. (extract of circuit diagram attached)
• Intermittently dead. (part of circuit diagram displayed)
• Hotel mode. (20GR105675R PHILIPS repair tip)
• Intermittent channel drift in UHF. Channel search OK. VHF OK.
• No function at switch on from standby. Switches to LOCK (hotel) mode. (extract of circuit diagram attached)
• Noise in sound. Mute does not function.
• No tuning possible, F2 appears on bottom of picture and S1 on top.
• Does not start. Slight buzzing in loudspeaker.
• Becomes defective immediately after switch on.
• No audio.
• No start-up. intermittently.
• Unstable tuning.
• Skips channels during tuning. (with circuit diagram extract)
• Dead. Only hum from speakers. (+ extract of circuit diagram)
• Change of C2523.
• No line output.
• No sound. No picture. Faint motorboating noise.
• No start-up. Buzzing from speakers and working noise of PSU.
• No output from the chopper power supply which uses a junction FET, whose gate and source are at 12V while 300V is present at the drain. (extract of circuit diagram attached)
• +B very high. (part of circuit diagram displayed)
• Picture is mostly green with flyback lines after 10 secs from switch on.
• No line start up; +95 available; +9V is about 4.5V. (extract of circuit diagram attached)
• Limited volume. No channel search.
• Colour sync adjustment procedure.
• Dead. Strange noises from PSU/ line output transformer. (part of circuit diagram displayed)
• No colour in OSD.
• Green picture.
• Green picture. after warm-up. Lines in picture. after warm-up. Does not change channels. (20GR105675R PHILIPS repair tip)
• Field collapse normally with blank picture. (with circuit diagram extract)
• Colours flickers and disappears.
• Hums softly. (part of circuit diagram displayed)
• Squealing from PSU.
• No start up, just a buzzing noise in speakers. (picture attached)
• Line output transistor fails repeatedly. (part of circuit diagram displayed) (20GR105675R tips)
• Line tearing and rope effect.
• Dark picture. Audio OK .
• No or intermittent start-up. (picture attached)
• How to switch off Hotel-Mode.
• R-Y and B-Y discriminator adjustment procedure. (with circuit diagram extract)
• Power supply fault finding. (with circuit diagram extract)
• Line out of phase. Black band in centre of screen. No colour.
• Picture centering has shifted horizontally. No OSD.
• Volume varies. depending on picture content. (with circuit diagram extract)
• No picture and sound. Low hum intermittently, no function.
• Height excessive. Defective linearity. Field blanking. (picture attached)
• Intermittently dead. after start-up.
• Appliance can not be programmed. Search does not function. Only limited volume control.
• Tripping. (with circuit diagram extract)
• Dead. At switch on the stand by LED flashes.
• Low audio. (picture attached)
• No operation.
• Blank raster. No audio. after a while. (with circuit diagram extract)
• Stations won't change. Picture and sound OK. Other functions OK.
• No picture. OSD OK .
• No functions. Standby LED flashes. Relay switches to ON.
• Search jumps on UHF.
• No vertical deflection. (with circuit diagram extract) (PHILIPS - 20GR105675R information)
• Set comes on in store lock mode. (part of circuit diagram displayed)
• No start-up. (extract of circuit diagram attached)
• During picture changes sometimes a volume increase (plop) is heard. (part of circuit diagram displayed)
• Doesn't tune stations correctly. When cold, crossed lines on low UHF channels. (extract of circuit diagram attached)
• Vertical oscillator adjustment procedure.
• Set won't tune to high frequency channels and lower frequency channels appear to be higher. (part of circuit diagram displayed)
• Reduced horizontal size. (picture attached)
• Difficult to tune programmes, stations shifted on tuning bar.
• Cannot be programmed and search does not function. Only limited volume adjustable. (20GR105675R PHILIPS repair tip)
• LED does not flash. Slight buzz in appliance. (with circuit diagram extract) (PHILIPS - 20GR105675R information)
• Colour flickers. No colour. after a while. (with circuit diagram extract)
• +9V supply modification. (part of circuit diagram displayed)
• Colours flickers and disappears.
• 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 down middle of screen. (picture attached)
• No functions. when cold.
• Won't tune a new channel. Won't activate store function. Picture OK. Sound OK.
• No picture. No sound. Purring sound in loudspeaker. (+ extract of circuit diagram)
• Intermittent audio and picture. (+ extract of circuit diagram)
• Picture separating line appears. Whistling.
• Lines on picture after approx one hour. It consists of a band of bright white lines about two inches wide. (+ extract of circuit diagram) (PHILIPS - 20GR105675R information)
• Dead. Low level buzz from loudspeaker. (with circuit diagram extract)
• No picture (when cold).
• Chopper inoperative. (part of circuit diagram displayed)
• Humming, motor noise and other unusual noises. Normal picture. (service info for PHILIPS -20GR105675R)
• Green screen and at other times no tuning. (extract of circuit diagram attached)
• Line output stage does not function.
• Stops working every 2 or 3 hrs. Only starts again after switching off and on again.
• No start-up. when cold. (+ extract of circuit diagram)
• Slight foldover at upper part of picture if appliance is switched on when cold. Fault disappears after few minutes. (with circuit diagram extract)
• Smeary, washed out picture with bent verticals. (part of circuit diagram displayed)
• Sound increases intermittently or "pops", especially during bright scenes. (+ extract of circuit diagram)
• Intermittent colour and intermittent dark vertical bar on picture.
• How to switch OFF Hotel-Mode.
• Secondary main power supply OK except +9V at 5.8V
• Picture passes out in the centre.
• Line output stage does not start up. (with circuit diagram extract) (20GR105675R tip from PHILIPS)
• 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.
• Local controls inoperative. (20GR105675R PHILIPS repair tip)
• Wavy picture. on the right.
• No voltage from PSU, computer does not work. (extract of circuit diagram attached)
• Replacing the EAROM. (part of circuit diagram displayed)
• Picture is poor with rippling on verticals. (extract of circuit diagram attached)
• Interference in audio. Interference in picture. (+ extract of circuit diagram)