CK5020 / PATHEMARCONI [TV]

• Snowy screen, you must force to have AV but it does not retain it in memory. Impossible to adjust channels.
• No RC. When changing channel with the TV button goes up to channel 2 where it is impossible to adjust the volume. Then all functions are blocked.
• White line in the middle of screen. Narrow picture on the left and on the right.
• Stops intermittently.
• Insufficient width and raster collapse. The power supply drops.
• Green picture.
• No raster scanning. (service info for PATHEMARCONI -CK5020)
• Black vertical bar.
• Poor tint after a few seconds and erasing flyback is visible. (CK5020 PATHEMARCONI repair tip)
• Brightness only appears after a few mins.
• Streaking in picture when hot.
• Removing the 819 lines.
• Brightness is too harsh with flyback lines. (CK5020 PATHEMARCONI repair tip)
• No start-up.
• US voltage is at 53V. If you unplug the line BU the US voltage goes back to normal again. Line transformer has been changed. BU and CP55 have been changed.
• No picture. LEDs on control unit don't light.
• Too little width and height of raster. Variations in picture size. Changes of screen brightness level.
• Original fault; power supply CP05 is defective. After BU326 blew. TV works 50% of the time then goes dead. 160V instead of 124V.
• RL53 destroyed at start up.
• Poor amplitude and the rasters reappear. PSU fails.
• Power supply check.
• Unstable picture when connected to a VCR. (CK5020 tip from PATHEMARCONI)
• Unstable picture.
• No colour.
• Spare part info: value of RS10. (PATHEMARCONI - CK5020 information)
• Running through in the L audio band.
• No EHT or disappears when warm.
• Nothing at output of tripler. No display, sound ok.
• Green screen with flyback lines.
• Insufficient picture width.
• Line output transformer is defective.
• Picture outline is green. The other colours are present.
• Harsh brightness with flyback lines. (CK5020 tips)
• No picture. Dark screen. EHT present.
• After replacing tripler BG1897 642 000 picture is blurred, impossible to adjust and also smoke from RL54.
• Picture runs through, impossible to stabilize.
• No line scanning.
• Intermittently when switching on via the mains switch, CTV remains in standby. Same with the RCU. You must operate the mains switch to switch on the CTV.
• The appliance does not store the stations in memory.
• Flashes at the light level which varies according to the most sensitive pictures on live transmissions which are very contrasted. At a low contrast level the problem disappears.
• One colour missing. Green screen at switch on then picture becomes normal but one colour missing and visible flyback lines.
• Black screen. No audio.
• Black screen. If you touch the FBT, the picture appears.
• Red screen with flyback lines.
• High voltage is only present on the screen.
• No picture, no sound. No EHT. LF ok.
• Brightness signal appears progressively.
• Insufficient line amplitude. (CK5020 PATHEMARCONI repair tip)
• Reduced picture, white vertical line in centre.
• No sound. Amplification is correct.
• U8 voltage is too weak.
• The light is faulty and the grey scale is incorrect.
• Green bar in top part of screen.
• Screen is hardly lit and has no picture content. Distorted sound.
• No brightness.
• After 15 mins. white horizontal line in middle of screen. When switched off and on again, picture ok for 10 mins then screen becomes black again.
• Standby LED flickers.
• The appliance does not start up at every attempt, especially when cold.
• No stability, no signal.
• Flyback interference lines and white screen.
• No Y signal. (CK5020 PATHEMARCONI repair tip)
• Green reaches saturation.
• Brightness fault with incorrect grey scale.
• No blue. Picture in B/W OK.
• No brightness or 12V.
• U8 voltage is too weak.
• No start up (chassis with remote control).
• Does not always start up, especially when cold.
• The appliance drifts after a few minutes. (PATHEMARCONI - CK5020 information)
• Negative picture .
• One colour is stronger than the others.
• No raster sync.
• Foldover in top part of screen.
• Poor shading after a few secs and flyback lines.
• Passing into Band L for the sound. (CK5020 PATHEMARCONI repair tip)
• Picture turns white with flyback lines.
• Random RCU transmitter.
• PSU releases after 15 mins then dead. Only thermal noise from the loudspeaker.
• No light. The U2 is too high.
• Blue screen with flyback lines.
• No LF.
• One colour missing. (PATHEMARCONI - CK5020 information)
• No colour on one part of the screen.
• Unstable picture. Defective horizontal and vertical deflection.
• Insufficient vertical and horizontal amplitudes. 135V low and impossible to regulate.
• No picture and LEDs on the control unit do not light up. (CK5020 tip from PATHEMARCONI)
• AFC does not work.
• At start up green screen then green picture outlines.
• Dark screen.
• Starts up after a random time. No power supply on FBT. Display and sound ok.
• No picture. Picture appears when touching flyback transformer.
• White line and no picture after warming up for several mins.
• Picture runs through, remains unstable and foldover in middle of picture.
• Flashing picture.
• Brightness signal increases. (CK5020 tips)
• Excessive amplitude with slight linearity fault. No line amplitude. RP09 is triggered.
• Line fault.
• Slight hum in the sound and no picture synchro. (service info for PATHEMARCONI -CK5020)
• Does not go on (chassis with RC).
• Top part of the picture rolls up.