CF2020Z / SAMSUNG [TV]

• No vertical sync when using the scart socket of a computer.
• Flyback line on picture.
• Tripping.
• When cold picture is unstable, shudders and vertical slidings slowly on picture.
• Line amplitude fault, resembles an E/W fault with a fault at the bottom of the screen.
• At switch on standby light comes on for a short time then goes off gradually.
• No EHT. No display.
• No start-up.
• In video position normal sound but very pale picture. Works normally in TV position.
• Occasionally picture tears and sound cuts out.
• Picture and sound disappear after a few moments. Standby display point goes out.
• Picture concentrated at the middle of the screen.
• Failure of filter capacitors C416 (main board), C560 and C590 (picture tube board).
• Picture is darker on the left of the screen and lighter on the right.
• When warm no reception. The sound increases. No display. The remote control does not operate.
• Green spot in the middle of screen at switch off for 5 minutes.
• No start up. Red LED lit then LED fades gradually. 300V checked on head capacitor.
• Q810 heats up and no raster scanning, R419 O/C.
• U.System voltage. (CF2020Z tip from SAMSUNG)
• Switches to standby (intermittently). (CF2020Z tips)
• Remains in standby at switch on, cannot switch on. Bypassed relay contact OK except non-powered commands.
• When cold 4cm flyback line at the top of the screen.
• Standby goes off by itslef after a few secs.
• Value and refs of R801, R802 (power supply).
• Lack of brightness.
• Picture width is too great and cannot be reduced (no control). Occurs after replacing power supply part. (SAMSUNG - CF2020Z information)
• Line BU blows after operating for a few hours. Occasionally picture tears horizontally. (SAMSUNG - CF2020Z information)
• Stops after a few mins and no standby light.
• Picture over 3cm in middle of screen. Sound present.
• Picture and sound drop out intermittently on Canal Plus with decoder.
• Flyback lines. Picture foldover on top of screen.
• E/W pincushion fault. No E/W correction.
• No startup from standby. Mains switch and standby switch have to be pressed in turn to restart appliance.
• Picture and sound drop out intermittently on Canal Plus with decoder.
• When warm no reception. The sound increases. No display. The remote control does not operate.