DV6303S / SHARP [TV (Standard)]

• Q701 fails again.
• Horizontal phase shift adjustment - Service mode.
• Blank raster.
• Incorrect start-up. Screen flickers, cannot be controlled.
• Whitewash effect. No sync and TXT.
• Service info: adjustment of the blue section.
• White screen and normal sound with aerial. Without aerial snow in the picture. (picture attached)
• White screen. Audio and OSD OK .
• When aerial connected appliance is locked onto one channel, manual and RCU controls do not function (RCU ok if aerial partially removed).
• Only the standby-led burns. No start up, also no reaction with the remote.
• Excessive horizontal size. Pincushion distortion.
• Service info: Adjustment of the horizontal amplitude.
• No picture. No sound. Functions only after several restarts.
• Certain stations cannot be reprogrammed.
• No picture.
• No picture, high voltage is present, vertical deflection is present. Cut off voltage is only 1.3V. (DV6303S tip from SHARP)
• Appliance has Teletext faults when receiving via a satellite system. (picture attached)
• TV switches to teletext when switched on and after awhile jumps back to regular picture. TXT is fine.
• No channel change or volume adjustment.
• Service info: Adjustment of the red section.
• Clicking noise.
• No start-up. Standby and power LED simultaneously lit.
• Q701 S/C.
• Picture is too bright. G2 cannot be adjusted.
• No audio muting at switch over. No indication in the display eg. volume or Teletext. (with circuit diagram extract)
• Bright picture. Flyback lines.
• No start-up (intermittently).
• No picture and no sound. If appliance is switched off and on again, it functions faultlessly.
• Service info: RF adjustment AGC R219.
• Squeal from PSU. No other functions.
• Vertical size adjustment - Service mode.
• Vertical lines. Vertical foldover at top and bottom.
• No vertical deflection.
• Tripping. (part of circuit diagram displayed)
• Line end stage transistor.Q601 (2SD1546) fails.
• No E/W correction.
• Grey picture, diagonal stripes and torn edges. (picture attached)
• Service info: adjustment of the vertical phase.
• Vertical wavy lines at the top edge when cold (station logo is severely distorted). Picture (nearly) normal after a short time.
• Does not switch to standby. intermittently.
• Test line in top third of picture.
• Mostly black screen with intermittent vertical bars. Picture sometimes goes completely blue. Sound is ok intermittently.
• Service info: E/W- and trapezium corrections.
• Intermittently spots in picture or picture too wide. (DV6303S tip from SHARP)
• Picture hardly visible, it appears with coloured dots on white screen.
• Line on left edge of picture.
• Picture shifted horizontally. Colour fault. (SHARP - DV6303S information)
• Vertical symmetry adjustment - Service mode.
• Service info: Trapezium 2 adjustment.
• Does not start intermittently, squeaks (hiccups) when starting from standby mode. (picture attached) (DV6303S SHARP repair tip)
• White screen. OSD OK .
• Poor start-up (needs approx 3-4 attempts).
• 150V cannot be adjusted.
• Line tearing. at top.
• Poor picture. Distorted picture. (extract of circuit diagram attached)
• Occasionally a horizontal line visible for a short time. Then switches immediately to standby. (DV6303S tips)
• Trapezoid picture. at top.
• Service info: Adjusting the VCO.
• Picture shifted horizontally.
• Venetian blind effect, picture is hardly recognisable. Sound OK. Error occurs either via aerial and via scart. (SHARP - DV6303S information)
• Shading in picture.
• Line end stage does not run
• Line output transistor fails repeatedly.
• Service info: Audio adjustment T208 5.74MHz.
• Fault in the power supply: transistor Q701 is defective again immediately after switch on. (part of circuit diagram displayed)
• Black screen. Horizontal line.
• Does not switch on. PSU works in Burst mode. (DV6303S SHARP repair tip)
• Reduced vertical size.
• Tuning menú does not appear. No TXT. No OSD.
• Instructions on how to activate SERVICE mode.
• No picture only bright even white screen. Teletext and sound ok.
• Can be programmed, but only bright picture. Sound available for a short time by synchronisation. Picture available for a short time via scart. TXT OK.
• Service info: Adjustment of audio level R231.
• Service info: AFT adjustment T205.
• Stuck in standby. Power LED lit .
• Multicoloured snow horizontally in the top third and vertically in the right third. Changes depending on picture content.
• No picture (after warm-up). (SHARP - DV6303S information)
• Service info: E/W 2 adjustment.
• Slow start-up.
• PSU pulsates. Stuck in standby. (+ extract of circuit diagram)
• Flyback lines. (picture attached)
• Only bright white picture. Sound, TXT and OSD OK.
• When switching to teletext the picture becomes completely black.
• No picture. No synchronisation. (+ extract of circuit diagram)
• Replacement of VCU2136A with VCU2133.
• Picture geometry changes continuously, no picture content visible, lines visible, no synchronisation, at switch on/off fault symptoms change continuously. (part of circuit diagram displayed)
• Ticking noise.
• Slow start-up. when cold.
• Tripping (intermittently). (+ extract of circuit diagram)
• Shuts down. intermittently.
• Occasionally remains on standby. No switch on with RC. Appliance operates after mains plug has been pulled out for a short time. (picture attached)
• Dead. (extract of circuit diagram attached)
• Stuck in standby. intermittently. LED blinks orange . (DV6303S tips)
• No raster.
• Switches to standby. after a while.
• Shuts down. after start-up.
• Line tearing. in the centre.
• White splutters in the picture. (picture attached)
• Dim picture.
• Dead. Clicks 10 times, short pause, then clicks again without interruption.
• Lines in picture. at top.
• Brightness increases and the picture becomes hazy. (extract of circuit diagram attached)
• Luminance and colour have shifted with respect to each other. (part of circuit diagram displayed)
• No start-up.
• Parts of text lines disappear when using subtitles.
• S-correction adjustment - Service mode.
• Switches to protection mode.
• Horizontal line.
• Service info: Adjustment of the vertical symmetry.
• No synchronisation. Audio OK . (DV6303S tips)
• Horizontal amplitude adjustment - Service mode.
• No functions.
• Stripes in picture. at top. (extract of circuit diagram attached) (SHARP - DV6303S information)
• Coloured lines. at top.
• Service info: Adjustment of the blue gain.
• Service info: adjustment of noise suppressors T201, T200.
• Grey picture without signal.
• SERVICE mode adjustment. (extract of circuit diagram attached)
• Green LED lights up briefly at start up, then LED goes off and PSU pulsates.
• Lines at top of picture. Light or blue picture or no sync or sound too quiet and control cannot be adjusted to quiet after switch on
• Service info: Adjustment of the green gain. (DV6303S tip from SHARP)
• Service info: E/W 1 adjustment.
• Fault via the S-VHS socket. (part of circuit diagram displayed)
• Power supply hiccups. Does not leave standby.
• No picture and sound. Power LED green, then red again.
• Service info: Adjustment of detector T206 5.5MHz for the sound.
• Horizontal lines.
• Horizontal stripes. at top.
• Flyback lines. at top. (with circuit diagram extract)
• No sound. Buzzing.
• Switches off by itself. in standby.
• Dark blank raster.
• Service info: VCO adjustment T204 for the picture. (service info for SHARP -DV6303S)
• No picture. No sound. Operating LED switches at start up, but stays red, not green.
• Switches to standby. after a few seconds.
• Poor linearity.
• Service info: Adjustment of the chrominance/luminance delay.
• Service info: adjustment of the S correction.
• Service info: adjustment of the red gain.
• Dark picture.
• Service info: +B adjustment 150V R716.
• Dead. Standby LED lit .
• Vertical fails (line) when changing channels or with especially large jumps in brightness.
• Service info: Adjustment of the vertical size.
• Power switch has to be switched 6-10 times when cold until appliance starts.
• Switches to standby. when cold. (with circuit diagram extract)
• Excessive horizontal size.
• Disable the protective circuit.
• Intermittently fails.
• Does not start or starts with incorrect values for vertical and horizontal deflection.
• Weak contrast.
• Service info: G2 adjustment.
• Service info: adjustment of the horizontal blanking phase.
• No OSD. No TXT.
• No audio. No picture. (extract of circuit diagram attached)
• No picture. when cold. Vertical fault. after warm-up.
• Grey and white picture. No sync or TXT activity.
• Arcing.
• Picture is bright. TXT bright on bright background. Video signal only dimly distinguishable.
• No picture. via tuner. Audio OK .
• Bright white picture, very faint and speckled in appearance. Only red and blue flecks in test picture.
• Enter service mode.
• No start-up from standby. (+ extract of circuit diagram)
• Dark picture. Poor picture. Retrace lines.
• White picture or no raster.
• Sychronous fault, on the right blanking interval.
• E/W fault.
• Poor or no start-up. Red LED lights, green LED lights up and then goes out. After 10-20 start-up attempts, switches on with E/W-error and functions for 10 mins. Mains transformer buzzes.
• Vertical collapse. (part of circuit diagram displayed)
• Squealing from PSU.
• Service info: Trapezium adjustment 1.
• Switches to standby. after start-up.
• Dead. after start-up. Standby LED lit .
• Picture has horizontally shifted and has colour error.