K9115IT / KONGWAH [TV 36/37 (34-36) cm picture]

• Excessive HV. intermittently.
• Green raster.
• Low width and milky picture
• Rolling and jumping.
• Excessive brightness. Audio OK .
• Tunes lower channels only but extremely unstable and occasionally disappears.
• Vertical collapse.
• Set displays CH. But unable to reprogram memory chip.
• Vertical striations from left hand side of screen, reducing in width toward centre.
• Blue picture. at start-up. No colour. intermittently.
• Chroma unlocks when warm.
• No picture. Audio and HV OK .
• PSU starts to oscillate "roughly" at switch on.
• Does not store settings. (service info for KONGWAH -K9115IT)
• No audio. intermittently.
• Intermittently dead.
• AGC problems.
• No vertical deflection.
• Excessive HT and/or R811 blown.
• Excessive brightness; picture appears briefly, no brightness control when appliance switched off and on.
• SIF alignment. (K9115IT tips)
• Starting up as if PSU were pulsating. F!! displayed.
• Raster is bright blue.
• Picture roll/jumping and top half distorted. (K9115IT KONGWAH repair tip)
• White screen. Flyback lines.
• Dead. (K9115IT tips)
• No or very faint picture.
• Bright raster. No audio. intermittently.
• TDA3562A is faulty.
• Line pulses missing at line output stage.
• BU and fuse are defective.
• Tank coil alignment.
• Blank raster. Buzz in audio.
• Field distortion.
• Burning smell.
• Not wide enough with black band on right hand side.
• No audio. No picture. No channel display.
• Horizontal circuit adjustment.
• No start-up (intermittently). (service info for KONGWAH -K9115IT)
• Stuck in standby. Squealing from PSU.
• Teletext picture alignment.
• Dark picture.
• Picture rolls.
• Convergence adjustment.
• Blank raster. Audio OK .
• Blown power supply.
• Reduced vertical and horizontal size. Vertical foldover at top and bottom.
• Line output transistor or zener diode 401 blows.
• Focus adjustment.
• Screen adjustment.
• No picture or intermittent loss of picture.
• No picture.
• No picture (intermittently).
• Dark picture. High voltage is present. When turning the screen regulator the picture appears and is even maintained during rewind. After switching off and on the picture is dark once more.
• Bright raster. Flyback lines. (K9115IT tip from KONGWAH)
• Low contrast. No contrast control.
• Picture disappears after a few seconds or does not come on at all.
• Bangs at switch on.
• Red picture. Flyback lines.
• No vertical deflection at start up, after a short time slowly becomes normal.
• Chopper transistor Q801 in PSU blows.
• Vertical circuit adjustment.
• Buzzing from PSU.
• One colour missing.
• Set displays CH when switched on.
• PSU voltage runs out of control, and then drops slowly to normal, from 140 to 112V. High voltage also too high. Heating of CRT very bright. (KONGWAH - K9115IT information)
• No RC functions. Other functions OK . (K9115IT tips)
• Sub-brightness adjustment. (K9115IT tip from KONGWAH)
• No picture. OK after a while .
• No vertical synchronisation. intermittently.
• Vertical roll.
• The programme can only be changed once, afterwards no channel selection is possible.
• No start-up.
• No line drive.
• Bright red screen.
• No picture. No sound. Squeaks at switch on.
• Slow start-up.
• Low gain.
• No picture or only one colour.
• Stuck in standby.
• When the appliance is switched on the picture is red then returns to normal after a few minutes. This is then repeated intermittently.
• Whistling on sound, severe distortion.
• Reduced horizontal size.
• Dark picture at start-up. After 10-15 secs picture and audio fades, only raster remains.
• No picture after replacement of TDA 3562A. No original Telefunken-IC was mounted.
• White balance adjustment.
• RF AGC adjustment.
• No picture only sound and raster. Completely white picture when brightness is turned up. (KONGWAH - K9115IT information)
• VIF alignment.
• No picture. Audio OK .
• No standby. No picture. No sound.
• Bright white raster. Sound OK.
• Power supply service information.
• No raster. intermittently.
• AFC adjustment.
• Partial field collapse.
• B+ adjustment.
• Only tunes low channels or does not tune at all.