IDEALCOLOR4530 / BAUR [TV]

• Occasionally the PSU does not start up. If it does, the appliance is ok. (PSU on the right with STK54041).
• No picture. Sound OK.
• Switches on. Pulsates 3 times, then switches off. (IDEALCOLOR4530 tip from BAUR)
• Line shakes in the top part of the picture. V amplitude jumps.
• Poor start up when cold. Hiccups. OK after several attempts.
• No start-up (when cold). Standby LED flashes . PSU pulsates.
• Vertical collapse.
• The appliance goes out of tune in VHF.
• No green.
• R702 fails at once if the aerial cable is plugged in (cable connection).
• Carries out unwanted operating steps eg. switches off, switches over channel, changes volume etc.
• Does not start up. LED comes on then goes off immediately.
• Dead, channel lights OK.
• Picture is missing, but sound is ok.
• Horizontal sync error. Spund appears only when horizontal is synchronized. Can be adjusted with pot, but fails again when switching channel.
• During operation switches over by itself to other channels.
• No power supply outputs.
• Picture pulls inwards at the top
• Twisted picture when switching on from cold.
• Shuts down. Standby LED does not light.
• Power supply. When rebuilding this supply, it is possible that R512 may have failed.
• After half-an-hour flashing lines appear on screen.
• Distorted picture. No audio (intermittently).
• Hum on sound and picture. Capacitor on mains rectifier has been changed. 12V and 16V on IC521 are too low. (picture attached)
• Intermittent no video or front display.
• Flickering colours with Canal Plus.
• IC401 (TDA3654) fails.
• The station storage breaks down completely, when connected to cable, all the programmes are mixed up. The contrast control is defective and the remote control does not work. (with circuit diagram extract)
• Colour is uncontrollable.
• Starts up, but after 10 minutes picture is snowy and tuner sensibility decreases
• No RC functions. No front panel function.
• LED lights up for 1 sec. at switch on then switches off. (BAUR - IDEALCOLOR4530 information)
• Power supply goes into safety mode when coming out of standby. (BAUR - IDEALCOLOR4530 information)
• Power supply squeeling and dead.
• Power supply BU908 blows occasionally at switch on, never during operation. (part of circuit diagram displayed)
• The screen is black and the power supply whistles.
• PSU chirps for approx 10 secs, then OK.
• Occasionally vertical picture jitter until total failure of the vertical deflection stage.
• Shuts down. at start-up.
• No start-up. No LED. Standby OK.
• BU508 fails in line output stage immediately after start-up.
• No function, red LED lights up for a short time at switch on.
• Picture vibrates slightly for approx. 1 min.
• Goes on and off again for a short time.
• Small picture with hour glass effect.
• The appliance remains in standby and the LED remains lit up.
• Intermittent line drive failure causing no picture but sound is OK.
• Vertical lines on right of picture. First line is blue. (+ extract of circuit diagram)
• PSU does not oscillate. (+ extract of circuit diagram)
• Set dead or intermittently dead. Set may not go to standby via remote.
• No start-up (intermittently).
• Does not start when cold. Only chatters. Appliance runs when warm.
• Blinking colours or no colour on Canal Plus.
• Very distorted picture with very strong vertical waves and picture almost black and white. (part of circuit diagram displayed)
• When in standby appliance hums or crackles. LED pulses. (service info for BAUR -IDEALCOLOR4530)
• Hum in picture. Lines shifted on top.
• Line S2055 fails immediately. FBT has been changed, TDA8372 has been changed.
• At switch on, blank screen and loud hash noise.
• Vertical IC burnt.
• Sound but no picture.
• Reduced picture, low brightness and varying sound.
• E/W fault. No E/W correction.
• Picture flickers horizontally. (IDEALCOLOR4530 BAUR repair tip)
• Picture becomes snowy and image offset after approx 20 minutes of operation.
• Crackling audio. Lines in picture. on the left. (service info for BAUR -IDEALCOLOR4530)
• Hum on sound and picture. (+ extract of circuit diagram)
• The picture is green and purple. No SECAM identification.
• Switches off intermittently, comes then back.
• Defective mains fuse. Functions OK for two weeks after replacement. (IDEALCOLOR4530 tips)
• Comes on for a short time. (+ extract of circuit diagram)
• Snowy raster. (extract of circuit diagram attached)
• No audio. No picture.
• G2 is too high, if attempting to decrease, picture is visible for a few secs then becomes dark.
• Standby LED lights even after switching on, and switches then off. Lamp lights.
• Switches off and goes to standby after hours or days. After switching back on, the appliance switches off again after 30 mins. After that, in even shorter time.
• No sound or picture channel change indicator o.k.
• No start-up. Standby LED flashes .
• No start up, stuck in standby. Red LED switches off when trying to start up.
• "S" distortion. Cannot be adjusted.
• Standby LED flickers for approx 10 secs. Switches off.
• Blank raster noise appears when aerial is unplugged.
• Vertical IC fails at switch on.
• Switches to protection mode.
• Line output stage U is 45V.
• When switching from AV input to any pretuned channel, no horizontal sync, but shortly after picture synchonizes correctly. (service info for BAUR -IDEALCOLOR4530)
• Starts up only after several attempts, fizzles for 10 secs, then OK.
• Picture wavering at top.
• Does not start. PSU starts up briefly, then protective circuit is active.
• Vertical stripe in the left picture third.
• Low contrast (after warm-up).
• Poor quality picture in high channels.
• Bright picture. Flyback lines.
• No start-up (when cold). (with circuit diagram extract)
• Dead. (part of circuit diagram displayed)
• No HV (intermittently).
• Intermittent colour bands at high contrast.
• Picture shaking in random direction.
• No picture and sound. Buzzing sound at switch on. Standby LED is blinking, then go to standby. (BAUR - IDEALCOLOR4530 information)
• Dead at switch on. Standby OK.
• Sometimes while watching a TV channel, TXT appears twisted, as if it had line tearing.
• White spot when switching TV off.
• The power supply relaxes. (picture attached) (BAUR - IDEALCOLOR4530 information)
• Standby LED switches off after start-up. Dead.
• Set dead. R502 is in open circuit but at switch on there is a bright flash and the plug fuse goes open circuit.
• PSU doesn't start up. Pulsates.
• No picture.
• Enable Hotel mode. Disable hotel mode. (IDEALCOLOR4530 tips)
• Black shadow in centre of picture.
• Mains fuse blown and mains transistor T707 (BU908) s/c.
• Ballooning. (IDEALCOLOR4530 BAUR repair tip)
• No red. (IDEALCOLOR4530 tips)
• Encrypted Canal Plus after 1 hr.
• Battery is discharged too quickly.
• Time base whistles and goes into safety mode. Fault persists when FBT has been changed. (picture attached)
• No start-up from standby. (extract of circuit diagram attached)
• Stuck in standby. Attempts to start up, LED flashes one time and turns off.
• Image jitter in upper part when turning on. Disappears after a short while.
• Reduced vertical and horizontal size.
• No vertical deflection.
• Tuning drifts.
• No functions.
• Stuck in standby. LED flashes once and goes OFF. (IDEALCOLOR4530 tip from BAUR)
• Picture is small and pulses, brightness is low and the sound is variable.
• Stuck in standby. (extract of circuit diagram attached)
• No sound or nasal sound.
• The appliance switches off after hours or days and goes to standby. After switching on again it switches off after an even shorter period of time.
• Tearing visible especially with crosshatch pattern. Vertical lines.
• Repeat failure of the STR58041.
• No vertical deflection, only a horizontal bright line. Sound OK. (service info for BAUR -IDEALCOLOR4530)
• The side of the picture drops and a horizontal line appears. Only a third of the line end stage works. The sound is missing, but the power supply unit operates.
• Set dead. Trys to come on but trips rapidly then cuts off.
• No blue.
• The screen is black and the appliance is in safety mode. There is a white horizontal line across the screen. (with circuit diagram extract) (IDEALCOLOR4530 tips)
• Shuts down. after start-up.
• Intermittent shut down, numbers still light up and the channels can be changed. (IDEALCOLOR4530 BAUR repair tip)
• Faulty vertical deflection.
• Horizontal stripe.
• Picture width varies according to picture content. Power supply voltages ok and stable. (+ extract of circuit diagram)
• Vertical jitter.
• No synchronisation. intermittently.
• When switched on the appliance goes into stand by then starts up. (picture attached)
• No start-up.
• No tuning. Higher channels in band I/III/V are not received.
• Stretched picture.
• No colour.
• Switches off by itself. at start-up.
• PSU whistles. in standby.
• 00 on display, remote control often fails or no functions possible.
• Appliance is dead. Sometimes starts if turned on and off several times. (IDEALCOLOR4530 tip from BAUR)
• Tuning of the sound is incorrect as one track is O/C.
• Stripes in picture. on the right.
• Line transistor blows after 1 hour.
• Occasionally, goes from top of picture to the green, hum in the speaker and dark bar. Goes from bottom to top.
• Pincushion distortion.
• No picture and no sound. Image distorted.
• Hiccups 3 times and switches off. Lamp lights.
• PSU attempts to start with noise. After 3-4 secs it stops and LED indicator goes off.
• Dead. Whining.
• Line output transformer is defective.
• Does not start up from standby, cracking is audible and appliance switches OFF, standby LED switches off.
• Stuck in standby. LED is red .
• Trips. when cold. No or intermittent start-up. when cold.
• The lower half of the picture does not exist.
• Stand-by LED does not function.
• Station memory cuts out intermittently, especially when connecting the cable the stations fall out. Then the contrast adjustment gets defective and the appliance doesn't respond to the RC.
• Picture has shifted.
• Picture is horizontally highly distorted.
• Appliance will not start up. IC701, D717 and C711 have already been changed. Appliance still won't start up.
• Vibration at top of picture. Picture height changes. (IDEALCOLOR4530 tip from BAUR)
• 24V when disconnecting collector of line transistor, otherwise voltage collapses. Line transformer does not start up. 5V on IC721. Display does not light up, standby lights up. (with circuit diagram extract)
• LED flashes briefly at switch on, then appliance switches off.
• Distorted picture. at top.
• Impossible to go into standard LL as the appliance remains locked in standard BG.
• E/W pinch and picture is folded up vertically at bottom.
• Switches off after a few secs. with a whistling sound.
• Power supply does not function.
• Black screen.
• Vertical lines on left side of screen, thiner towards edges and bigger towards centre, approx. 10 cm on screen. Lines tremble. Fault present also in AV mode with black screen. Switches off after a while. (IDEALCOLOR4530 BAUR repair tip)
• After changing the deflection transistor BU 508 it blows again after 1-2 days. (picture attached)
• No video or standard switching.
• Picture becomes quite dark and gets distorted after 20 or 30 minutes.
• Switches off by itself after a while. Vertical lines on picture right side of approx 10 cm. Jamming in AV mode. (IDEALCOLOR4530 BAUR repair tip)
• Purity fault and the sound hums. The positive temperature coefficient resistor has been changed.
• Excessive horizontal size.
• At switch on, stand by display lights up for a short time, line end stage attempts to work, but switches off again straight away.
• Necessary modification when replacing oscillator part.
• Blank raster. Flyback lines.
• Chirping.
• Erratic start-up.
• Small, pulsating picture, low brightness, sound level varies.