P145R / OSAKI [TV]

• No tuning. No channel lock. (with circuit diagram extract)
• Search jumps on UHF. (picture attached)
• Green screen and at other times no tuning. (part of circuit diagram displayed)
• Only half a picture. (+ extract of circuit diagram)
• Intermittent audio and picture. (picture attached)
• Replacing the EAROM. (+ 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)
• Adjustment of +95V. (with circuit diagram extract)
• Turns on automatically. No RC or front panel controls.
• Tuning drifts. only on certain channels (after a while).
• Green screen with flyback line. No picture. OSD OK. (P145R tips)
• No tuning. Impossible to change analog control adjustments (brightness, sound, etc.). (with circuit diagram extract) (service info for OSAKI -P145R)
• PSU switches off with load at U95V. (picture attached)
• Line tearing. on lower half screen. (extract of circuit diagram attached)
• Becomes defective immediately after switch on.
• Stations won't change. Picture and sound OK. Other functions OK.
• No start up. No standby. Attempts to start up, but fails.
• Protection device (thyristor THY6641) is triggered at switch on. (extract of circuit diagram attached)
• Height excessive. Defective linearity. Field blanking. (extract of circuit diagram attached)
• No picture. No sound. Purring sound in loudspeaker. (+ extract of circuit diagram)
• Memory loss. (with circuit diagram extract)
• Skips channels during tuning. (part of circuit diagram displayed)
• 10V on 95V line. (+ extract of circuit diagram)
• Searches for channels continuously. (picture attached)
• Does not stop on stations.
• Service manual correction. (with circuit diagram extract)
• Programs and PP-settings cannot be changed.
• Line output transistor fails repeatedly. (with circuit diagram extract)
• No colour.
• No functions. when cold.
• U743 tuner replacement. (with circuit diagram extract)
• No colour and vertical black bar across screen.
• Set does not retune or program etc
• Right hand side of screen has a line.
• Frame has shifted sideways. Appliance whistles and does not oscillate correctly. (picture attached)
• No transmitters to adjust and the sound is not controllable.
• Poor synchronisation. (+ extract of circuit diagram) (P145R OSAKI repair tip)
• Picture is faint with hanover bars. (extract of circuit diagram attached)
• Hotel Mode activates by itself. (picture attached)
• Blank raster. OSD OK .
• Connection of the loop system to the TV.
• Field foldover at switch on from cold. Effect disappears when appliance warms up. (+ extract of circuit diagram)
• Noise in audio.
• Programme channel search cannot be called up. (P145R tips)
• During picture changes sometimes a volume increase (plop) is heard. (with circuit diagram extract)
• Reduced vertical size. at top.
• Display goes to F1 a few seconds after switching the set on.
• Standby just pulsing.
• Picture shifts. (with circuit diagram extract) (service info for OSAKI -P145R)
• No picture. (with circuit diagram extract)
• Field collapse normally with blank picture. (picture attached)
• Line output stage TS7528 is defective. (with circuit diagram extract) (P145R OSAKI repair tip)
• No picture. Audio OK . (P145R OSAKI repair tip)
• Skips channels during tuning. only on certain channels.
• Description of SMPS. (picture attached)
• +9V supply modification. (part of circuit diagram displayed)
• No functions. Slow start-up. (picture attached)
• Dead set. Tries to start.
• Squealing from PSU.
• Excessive horizontal size.
• Vertical amplitude cannot be fully adjusted, TXT lines can be seen. (with circuit diagram extract)
• Production change to line drive. (+ extract of circuit diagram)
• +B very high. (+ extract of circuit diagram)
• Picture centering has shifted horizontally. No OSD.
• The TV cannot hold the picture.
• No power with abnormal sound. (+ extract of circuit diagram)
• How to reset microprocessor.
• No functions. Sound buzzes in loudspeaker. (with circuit diagram extract)
• Sound goes to max. intermittently and HT varies. (with circuit diagram extract)
• Intermittently dead. after start-up.
• Volume change with great fluctuations in brightness. (+ extract of circuit diagram)
• Picture separating line appears. Whistling.
• Dead. Low frequency noise on sound.
• Rolling or jittering picture. (picture attached) (P145R tip from OSAKI)
• No HV.
• Trips. (with circuit diagram extract)
• No functions. after start-up (intermittently).
• Does not start. Slight buzzing in loudspeaker.
• Dead due to action of over voltage protection circuit.
• No frame or short frame. (part of circuit diagram displayed)
• Line chirps intermittently. Appliance does not start. Only hum from loudspeakers.
• Blown chopper. (part of circuit diagram displayed) (service info for OSAKI -P145R)
• Picture displays lines and strange foldover effect at centre. (P145R OSAKI repair tip)
• Unregulated power supply. Pulsating picture and surging sound. (part of circuit diagram displayed)
• Tuning menu can not be called. All other functions OK.
• Enable Hotel mode. (P145R tip from OSAKI)
• No picture. No audio. (+ extract of circuit diagram)
• Very slight vertical foldover with interferences similar to EHT arcing, especially on very white scenes.
• Enable Hotel mode. Disable hotel mode.
• Tripping. (with circuit diagram extract) (service info for OSAKI -P145R)
• White screen with flyback lines. Excessive brightness which increases until PSU switches to protection mode. (part of circuit diagram displayed)
• Comes on in standby. When program button pressed standby lamp blinks then goes off.
• No function. Standby-LED lights up. Appliance switches on but no picture or sound. (P145R tip from OSAKI)
• Dead with whistling noise coming from power supply. (extract of circuit diagram attached) (OSAKI - P145R information)
• Poor reproduction of copy protected tapes. (picture attached)
• Intermittent colour and intermittent dark vertical bar on picture.
• CRT types. (P145R OSAKI repair tip)
• Vertical size varies. intermittently.
• Menu rolling. (picture attached) (P145R tip from OSAKI)
• Replacement of surface mounted diode 6637. (part of circuit diagram displayed)
• The fuse and the bridge diodes in the power supply blow.
• Picture passes out in the centre.
• Does not regulate +95V.
• No sound. Picture OK. After a short time TV stops. High frequency noise from PSU. (part of circuit diagram displayed) (service info for OSAKI -P145R)
• No operation. (P145R OSAKI repair tip)
• No start up, just a buzzing noise in speakers. (picture attached) (P145R tips)
• Chopper inoperative. (with circuit diagram extract)
• Defective IC7103 SV-production. (with circuit diagram extract)
• Occasionally appliance does not switch on from standby. No further functions are possible.
• No channel search. No OSD. (extract of circuit diagram attached)
• Excessive brightness.
• Intermittent destruction of line o/p transistor. (part of circuit diagram displayed) (P145R OSAKI repair tip)
• Local controls inoperative. (P145R tip from OSAKI)
• Colour flickers. No colour. after a while. (extract of circuit diagram attached)
• The tone (sound) tunes well, but the volume cannot be raised.
• No picture and sound. Low hum intermittently, no function.
• Difficult startup. Rattling sound from line output trafo.
• Standby LED lights up and switches off at power on. Appliance will not start up. (P145R tips)
• Picture fails for a short time. (picture attached)
• Will not tune, drifts, colour disappears or interference on a certain channel. (e.g. channel 5 and 59)
• No function at switch on from standby. Switches to LOCK (hotel) mode. (+ extract of circuit diagram)
• Reduced horizontal size. (with circuit diagram extract)
• Stuck in standby. (part of circuit diagram displayed)
• Buzz in audio (intermittently). (part of circuit diagram displayed)
• No switch on after activating mains switch. Whistling noise. (extract of circuit diagram attached)
• Wavy picture. on the right.
• PSU does not start up, if appliance was switched off for a day. Appliance functions after short switch on/off. (picture attached)
• Sound increases intermittently or "pops", especially during bright scenes. (extract of circuit diagram attached) (P145R OSAKI repair tip)
• Low audio. (+ extract of circuit diagram)
• Switches to standby. (part of circuit diagram displayed)
• The picture is slightly yellow, flyback lines. Slightly noisy, no own recording possible.
• Only some programs with snowy picture can be tuned and on band 1 missing some programs. (extract of circuit diagram attached)
• Picture is mostly green with flyback lines after 10 secs from switch on.
• No switch on. Low noise on sound. (with circuit diagram extract) (P145R tips)
• Sound returns gradually after channel change. (picture attached)
• Dead. Low hum. (P145R OSAKI repair tip)
• Volume can't be tuned down. No tuning with RC. (with circuit diagram extract)
• Green raster. Faint picture. Flyback lines.
• Line transistor 7528 blows within 1 sec. (+ extract of circuit diagram)
• Cannot change tuning or stored settings. (with circuit diagram extract)
• Intermittently dead. (picture attached) (service info for OSAKI -P145R)
• Poor sound, cannot be adjusted louder. When adjusting, sound cuts out. (+ extract of circuit diagram)
• Line output transistor TR7528 fails at switch on.
• Print with linearity coil pos. 5800.
• Hazy flickering picture at top. (+ extract of circuit diagram)
• Dim picture with Hanover bars.
• Line output stage does not function.
• Microcomputers and screening plate.
• After replacement of the line output transistor BUT12, picture with trapezoid effect, BUT12 overheats and goes defective again. (extract of circuit diagram attached)
• No start-up. intermittently (when cold). (part of circuit diagram displayed)
• No tuning possible, F2 appears on bottom of picture and S1 on top.
• Defective purity.
• Dark picture. Audio OK .
• No regulation. (picture attached)
• Picture appears slowly.
• The removal of leaded diodes. (extract of circuit diagram attached) (P145R OSAKI repair tip)
• No tuning. only on certain channels.
• No functions, hum in loudspeakers. (+ extract of circuit diagram)
• Failures in the power supply. (extract of circuit diagram attached)
• Error messages indicated by front display flashing. (part of circuit diagram displayed)
• Does not switch on, standby LED OK.
• Hotel mode.
• Loosing colour during play-back of a video tape. (part of circuit diagram displayed)
• Reluctant to start up from cold.
• White unmodulated raster. Picture missing. (part of circuit diagram displayed)
• Intermittently no picture and sound at switch on. Buzz from speaker. (with circuit diagram extract)
• 6613 type change. (part of circuit diagram displayed)
• Control micro processors.
• Set comes on in store lock mode. (picture attached) (OSAKI - P145R information)
• Dead. Strange noises from PSU/ line output transformer. (picture attached)
• No horizontal synchronisation. (+ extract of circuit diagram)
• Dead. Power LED is OFF (ON in standby). Hissing from PSU.
• After working normally for a while the TV blocks in any position. The functions do not work.
• Programming unoperational. Limited sound adjustment possible.
• Programme tuning difficulty, stations shifted on tuning bar. (picture attached)
• No start up from cold and humming.
• Line output stage only starts up for a short time. (picture attached)
• Tuning drift, when it is hot the tuning is lost on channel change.
• LED does not flash. Slight buzz in appliance. (extract of circuit diagram attached)
• Loud chriping after switch on. It becomes lower after a short time.
• Memory content dropout at positions 4 and 5.
• 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)
• "Store" key does not work. (picture attached)
• Vertical roll. (+ extract of circuit diagram)
• Stuck in hotel mode.
• No power supply start up in loaded condition (eg. with lamp).
• Does not start up at once from cold.
• No picture, only squeaks for a short time at switch on then no more functions.
• Hums softly. (extract of circuit diagram attached) (service info for OSAKI -P145R)
• No start-up. when cold. (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)
• The switched-mode power supply cannot be loaded.
• Bright flash on screen. No picture or sound. (extract of circuit diagram attached)
• Low 5V to micro chip. (part of circuit diagram displayed)
• Blank raster. Flyback lines. (extract of circuit diagram attached)
• Doesn't tune stations correctly. When cold, crossed lines on low UHF channels. (extract of circuit diagram attached)
• Picture shifted to the left. intermittently. Line tearing. intermittently. (+ extract of circuit diagram)
• Cannot be programmed and search does not function. Only limited volume adjustable.
• PSU check.
• No sound or raster. The 95V HT supply is present at the line output stage but there is no line drive. (with circuit diagram extract)
• No colour in OSD.
• Green screen with flyback lines. Green oscillations. Noise as if HV leaky on picture tube base. (extract of circuit diagram attached)
• Random breakdown of line output transistor. (part of circuit diagram displayed)
• Lines on picture after approx one hour. It consists of a band of bright white lines about two inches wide. (picture attached)
• Dead. At switch on the stand by LED flashes. (OSAKI - P145R information)
• Slight foldover at upper part of picture if appliance is switched on when cold. Fault disappears after few minutes. (picture attached)
• No tuning, no remote volume control. (picture attached)
• Intermittent green picture, channels cannot be programmed. (+ extract of circuit diagram)
• Line tearing and rope effect.
• Dead. Only hum from speakers. (with circuit diagram extract)
• Slow start up of power supply. (picture attached)
• No OSD. Picture OK .
• Microprocessor screening plate. (extract of circuit diagram attached)
• Green picture after few hours, intermittently fault disappears for short while when switching from a station to another. Strange characters in OSD.
• Secondary main power supply OK except +9V at 5.8V
• Colour disappears with VCR-scan (picture search). (extract of circuit diagram attached) (P145R tips)
• Appliance will not switch on at times, but hums in the power supply section.
• Buzzing sound then switches off.
• Streaks in picture. Picture pulls and rolls intermittently. (service info for OSAKI -P145R)
• Picture shifted horizontally. (extract of circuit diagram attached)
• No start-up. intermittently.
• Settings do not stay in position.
• No sound or picture. Low hum from speaker. (+ extract of circuit diagram)
• No colour. (picture attached) (OSAKI - P145R information)
• No SOP supply. (part of circuit diagram displayed)
• Vertical collapse. (with circuit diagram extract)
• Right side of picture discoloured.
• No start-up. Buzzing from speakers and working noise of PSU.
• Horizontal white line.
• Lines across top of picture about 8" in first 100 lines. (part of circuit diagram displayed)
• No function, starts up from standby, then goes out.
• No picture (when cold).
• Modification to line transformer pos. 5530. (OSAKI - P145R information)
• Dead. Only standby-LED works. Responds to TURN ON command, but no image and no sound.
• No freeze frame or intermittent freeze frame; no sound. (+ extract of circuit diagram)
• No voltage from PSU. (picture attached)
• Appliance can not be programmed. Search does not function. Only limited volume control.
• Smeary, washed out picture with bent verticals. (picture attached)
• High voltage transistor defective after a while.
• Tuning drifts. only on certain channels.
• 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 line output.
• Picture is poor with rippling on verticals. (extract of circuit diagram attached)
• Intermittently narrow picture, but corrects itself shortly after.
• Vertical vibration in cold condition of set.
• Switches off by itself. after a while. (with circuit diagram extract)
• No picture. No sound. Switching on and off from Standby OK.
• Slow start-up.
• Green picture. after warm-up. Lines in picture. after warm-up. Does not change channels.
• Does not shut down (when cold).
• No line output stage. (extract of circuit diagram attached)
• Power supply fault finding. (with circuit diagram extract) (P145R tip from OSAKI)
• To remove store/lock.
• Line tearing, especially with bright scences. (with circuit diagram extract)
• Dead, very slight whistle from PSU.
• Whistling from PSU. (part of circuit diagram displayed)
• Vertical line. on the right half screen. (picture attached)
• Dead. (extract of circuit diagram attached)
• No function. When switching on with RC, standby LED lights up. (+ extract of circuit diagram)
• No picture or sound but RCU works correctly. LED flashes when the handset is tried. (+ extract of circuit diagram)
• No tuning bar when install button pressed and set not in hotel mode. (part of circuit diagram displayed)
• Volume varies. depending on picture content. (extract of circuit diagram attached)
• Intermittent colour.
• Line output stage does not start up. (+ extract of circuit diagram)
• No picture, sound ok but on turning up A1 control, frame collapse. (+ extract of circuit diagram)
• New IR receiver. (OSAKI - P145R information)
• Interference in audio. Interference in picture. (+ extract of circuit diagram)
• Excessive HV. after a while.
• Intermittent channel drift in UHF. Channel search OK. VHF OK. (P145R tips)
• Picture only in two bars in upper screen section, the rest is dark. (extract of circuit diagram attached)
• New infra red receiver.
• No HT from chopper circuit. (picture attached)
• Dim picture with Hanover bars visible. (with circuit diagram extract) (P145R OSAKI repair tip)
• Buzz in audio. No picture.
• Appliance is dead with standby LED flashing after a few seconds. (+ extract of circuit diagram)
• No function. Motorboating from PSU. TV starts up randomly. Intermittent fault. (P145R tips)
• Spurious nonsense OSG. Goes to standby after 0.5-2hrs. Loss of tuning.
• 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.
• No functions. Standby LED flashes. Relay switches to ON.
• Bright flash on screen and no picture or sound after a few minutes. (with circuit diagram extract)
• No voltage from PSU, computer does not work. (with circuit diagram extract)
• Does not start up. Light buzz from loudspeaker. Standby LED produces one brief blink.
• No or intermittent start-up. (with circuit diagram extract)
• Dead. Low level buzz from loudspeaker. (+ extract of circuit diagram)
• Line output transistor running hot. (with circuit diagram extract)
• No start-up. Standby LED flashes . (P145R OSAKI repair tip)
• Line out of phase. Black band in centre of screen. No colour. (P145R OSAKI repair tip)
• Set won't tune to high frequency channels and lower frequency channels appear to be higher. (picture attached)
• LED flashes once, then gurgles. (picture attached)
• Line down middle of screen. (with circuit diagram extract)
• Blank raster. No audio. after a while. (+ extract of circuit diagram)
• Two lines going around. (+ extract of circuit diagram)
• Connection of a loop system to the TV.
• Red picture. Flyback lines.
• Drive for high voltage missing. (with circuit diagram extract)
• Set goes accidentally into hotel mode.
• Green picture with retrace lines. After a few restarts picture OK. (P145R tip from OSAKI)
• Enter service mode.
• Fizzling sound from speakers at start-up and intermittently picture jagged.
• No switch on. Weak whistling noise from PSU. LED is OFF.
• Correction to service manual LOT winding.
• Stops at start up. (with circuit diagram extract) (P145R tips)
• Quick hiccup. (picture attached)
• Stored channels drift off tune briefly after switch on. Crackle in sound.
• Blank or green raster. Flyback lines. Faint picture or normal picture. (part of circuit diagram displayed)
• Green picture. (extract of circuit diagram attached)
• Comes on for a short time.
• Bright picture. Flyback lines. (P145R tips)
• 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. (picture attached)
• No standby, humming and standby LED blinks.
• No +9V, line output stage is OK. (+ extract of circuit diagram)
• Noise in sound. Mute does not function.
• Error codes.
• Slow hiccup (with circuit diagram extract)
• Appliance does not function with standby light flashing.
• Humming, motor noise and other unusual noises. Normal picture.
• Excessive vertical size.
• Trips. at start-up (intermittently). (part of circuit diagram displayed)
• To improve performance with prerecorded cassettes. (part of circuit diagram displayed)
• Stops working every 2 or 3 hrs. Only starts again after switching off and on again.
• After switching on the CTV "EXT...1.2.3..." appears on the screen.
• No vertical deflection. (part of circuit diagram displayed)
• No function. Standby LED flashes briefly. (with circuit diagram extract)
• Store lock on the appliance.
• Initial volume-level is higher than the maximum Hotel-Mode setting.
• Dark picture.
• Whistle.
• Set dead with just 5V on the 95V line. Standby LED is on but set won't start. (with circuit diagram extract)
• Line output transistor becomes warm and in the course of time it becomes defective. (with circuit diagram extract)
• No start-up. (picture attached)
• Buzzing from PSU. when cold. (with circuit diagram extract) (P145R tip from OSAKI)
• No picture. OSD OK .
• Does not switch on. LED is lit in standby. If appliance is switched on with RC, LED switches off.
• SOPS defective. (extract of circuit diagram attached)
• No picture. TXT OK . (part of circuit diagram displayed)
• No line start up; +95 available; +9V is about 4.5V. (part of circuit diagram displayed)
• No tuning. (part of circuit diagram displayed) (P145R tips)
• Reluctant to start from cold (picture attached)
• Modification at line transformer position 5530. (+ extract of circuit diagram)
• Poor synchronisation. when cold. (part of circuit diagram displayed)
• Tuning drifts. (picture attached)
• No picture and sound intermittently after switch-on. Buzz sound from speakers. (+ extract of circuit diagram)
• Blue picture. Coloured lines.
• Picture shifted to the right. (+ extract of circuit diagram)
• Power supply does not oscillate. (part of circuit diagram displayed) (P145R tips)