CX5012ZSGX / SAMSUNG [TV]

• Attempts to start up. Noise from PSU. (service info for SAMSUNG -CX5012ZSGX)
• Reduced horizontal size. Burning smell.
• Trips. after a few seconds.
• HT is too high.
• Intermittently stops. after warm-up.
• Blank raster. Flyback lines.
• Dark picture.
• Appliance will not produce signals (tuning voltages shows that it swept, but no station is found).
• No picture. via AV. Audio OK .
• Defect in the horizontal linearity stage.
• White picture with flyback lines.
• Vertical foldover in cold conditions. After warming up, it corrects by itself.
• Intermittently picture blanks. Sound OK. TXT OK. Picture comes back after TXT selected.
• No start-up. Standby LED does not light.
• Ragged verticals, intermittent.
• Intermittent luma/chroma faults.
• At switch on standby LED is lit for few seconds then goes off.
• Appliance does not switch between the TV- and AV mode.
• Ticking noise. Tripping.
• No video or luma overload when using Amiga.
• Frame collapse of approx. 1.5".
• No TXT. (SAMSUNG - CX5012ZSGX information)
• Screen only lights up intermittently.
• No power up, just strange noise from power supply.
• Image has normal brightness only after 2 minutes after turning on. (CX5012ZSGX tips)
• Failure of Q402.
• Picture blanks, sound ok and text ok.
• No picture, only OSD available. (CX5012ZSGX SAMSUNG repair tip)
• When power is turned on makes a squealing noise and the LED goes out.
• In soak mode the following resistors change their value.
• Only noise. No station tuning.
• No colour.
• No picture or sound in TV mode. AV mode ok.
• Arcing inside PSU.
• Raster is white and blank, sound is missing. (SAMSUNG - CX5012ZSGX information)
• No RC functions.
• With some appliances AGC distortion occurs in lower range of VHF band.
• Picture too wide, then switches to standby.
• Blank screen. No TXT. intermittently.
• Black screen. (service info for SAMSUNG -CX5012ZSGX)
• No power up from cold. (CX5012ZSGX tips)
• Attempts to start up, a whistle can be heard, but does not switch on.
• Chirping PSU that switches off. No standby light.
• Does not switch to standby.
• Volume control at max.
• Needs to be degaussed quite often.
• Switches back to channel 1 instantly when trying to change channel, then no function and no standby indicator.
• No standby. No start up.
• Blank raster. intermittently. Flyback lines.
• Whitish screen. Sound and OSD OK.
• Picture is too big with occasional arcing. HT is high.
• No picture brightness/control of the video amplifier when connecting an Amiga computer.
• Deflection collapses.
• Dead. (CX5012ZSGX tip from SAMSUNG)
• White raster with flyback lines when first switched on.
• Horizontal output transistor Q402 (2SD1651) becomes defective after short operation.
• Signs of a burn up in the line output stage.
• Dry joints.
• Not switching between CVBS and AV mode.
• Transistor Q402 fails (no high voltage).
• No start-up. Standby LED flashes . (CX5012ZSGX SAMSUNG repair tip)
• Poor luminance.
• Weak contrast.
• Bright picture. Flyback lines.
• Red flyback lines in picture.
• Arcing. Dead. after a few seconds.
• Excessive HV.
• Chirping. at start-up.
• Vertical collapse. (service info for SAMSUNG -CX5012ZSGX)
• Smoked then dead.
• PSU tripping or volts low.
• Reduced vertical size.
• No picture. Audio OK .
• Top linearity is defective. (CX5012ZSGX SAMSUNG repair tip)
• Picture too big.
• Shuts down. intermittently.
• No picture.
• Chopper transistor hisses in standby.
• At random intervals picture blanks leaving sound and a dark raster.
• Standby light flashes once when turned on, otherwise dead. PSU makes low twittering sounds. Can also be intermittent no go, with twittering sounds coming from psu when in standby. (CX5012ZSGX SAMSUNG repair tip)
• No start-up.
• When switched off, makes squelching noise and LED goes out.
• Vertical foldover at top.
• White screen.
• Mains fuse (3.15A) or surge limiter resistor R601 (5R6/7.5W) O/C. (CX5012ZSGX tip from SAMSUNG)
• Randomly the picture blanks, leaving sound and a dark raster. Pressing the text button brings up a text display, then pressing the return to TV button restores the picture.
• Dead or goes dead.
• No response to RC station commands.
• Stuck in standby.
• No functions. Squealing from PSU.
• Blank raster. No audio. No front panel function. No RC functions.
• Line frequency is too high.
• PSU whistles. Shuts down.
• Reduced contrast and brightness.
• Audio mute and intermittent channel.
• No picture. No audio. Standby LED flashes .
• Poor vertical linearity.
• Repeated failure of Q402.
• Reduced vertical size and compressed at bottom.
• Searches for channels continuously.
• Crackling audio.
• Appliance is dead or trips, standby LED does not light up.
• Blue screen. Flyback lines. (CX5012ZSGX tips)
• Comes on in standby mode.
• Channel numbers on front control panel light up.
• Picture linearity fault, picture shifted at top and stretched at bottom.
• Dead or intermittently dead.
• Intermittently impossible to switch on, especially when warm. Standby LED only lights up after trying to switch on for a while.
• PSU chirps. at start-up.
• Set shuts down intermittently. Eventually standby light just pulses on & then off. Set will not come on.
• Non-linear field scan. Cramped at bottom and stretched at top.