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29T23TXA / NEWWAVE [TV]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for 29T23TXA / NEWWAVE.

List of fault symptoms:
  • Upper part of picture is fuzzy and messed up, after was powered off for a few hours.
  • Some channels missing.
  • Volume increases to max.
  • No picture or sound via AV1. AV2 and AV3 ok.
  • No picture.
  • No 8V and 5V voltages.
  • Distorted audio. via speakers.
  • Dark picture.
  • Picture comes in after approx 1 min when started up from standby.
  • Picture size varies with picture content.
  • Volume decreases to min.
  • No REC.
  • PSU blown after power failure.
  • Changes picture size when increasing audio volume. (service info for NEWWAVE -29T23TXA)
  • Mains fuse blows sporadically. (29T23TXA tips)
  • Black screen. after a few seconds. (29T23TXA NEWWAVE repair tip)
  • Trips. after start-up.
  • How to test the PSU using a lamp.
  • Flyback lines.
  • No TXT.
  • Top quarter of screen is lit. Rest of screen is black.
  • Trips. at start-up.
  • Set trips at switch on. (29T23TXA NEWWAVE repair tip)
  • Line tearing. intermittently. Squealing noise.
  • PSU collapses and trips as soon as appliance is swichted to full mode. Standby OK.
  • Horizontal line. Black screen. on lower half screen.
  • Flyback lines. after warm-up.
  • No AV.
  • Switches channels automatically upwards. Maximum volume.
  • No power.
  • No picture. intermittently.
  • No tuning.
  • Line output transistor fails repeatedly.
  • No audio. No game. No calculator.
  • PSU does not start up correctly.
  • No picture, only snow.
  • Pulsating picture. Picture shrinks horizontally and expands vertically when changing brightness.
  • Brightness varies.
  • Switches to standby. intermittently. (NEWWAVE - 29T23TXA information)
  • R528, R530 and C524 defective. (29T23TXA tips)
  • PSU lamp test.
  • No start-up from standby.
  • Picture shifts.
  • Black dots on the screen. (29T23TXA tips)
  • Slow start-up.
  • Picture shifted to the left about 1 inch.
  • Shuts down (intermittently).
  • Squealing noise.
  • +B voltage is 20-80V instead 145V.
  • Noise on some channels.
  • Dead.
  • Picture gradually disappears after start-up. Flyback lines, poor picture content.
  • No RC functions.
  • Basic features. (NEWWAVE - 29T23TXA information)
  • No start-up.
  • Stripes in upper picture. (29T23TXA tips)
  • No functions.
  • Not storing programme data.
  • No focus.
  • Excessive brightness. Flyback lines.
  • Enter service mode.
  • Stuck in standby. Tripping noise at first switch-on.
  • No vertical deflection. on lower half screen.
  • Flyback lines appears when brightness increased.
  • Switches to protection mode. after start-up.
  • Poor picture, exaggerated contrast and colours, brightness varies.
  • C530 fails repeatedly.
  • No vertical deflection.
  • Power supply blown. Mains fuse black. Possible lightning strike.
  • Blurry picture. (29T23TXA tips)
  • Poor picture.
  • Mains fuse is defective.
  • Popping noise when switched off.
  • No picture. intermittently. OSD OK .
  • Trips.
  • Beeps now and again. (29T23TXA tips)
  • Coloured spots on the corner.
  • PSU pulses and there is popping from the speakers before set trips back to standby.
  • Dead. Standby LED does not light.
  • White picture with flyback lines from time to time.
  • B+ voltage (+140V) missing. (29T23TXA tip from NEWWAVE)
  • No picture. on lower half screen.
  • Snow in picture.
  • +B voltage is 160V instead 145V.
  • C619 burned.
  • Low tuner gain but can be tuned in.
  • Low contrast.
  • Horizontal line. (29T23TXA tips)
  • Reduced horizontal size. No E/W correction.
  • Poor picture. after start-up.
  • Flyback lines. intermittently.
  • No luminance.
  • White balance adjustment. (NEWWAVE - 29T23TXA information)
  • Stuck in standby.
  • HV builds up and then collapses.
  • Vertical collapse.
  • Switches to standby at start-up. LED flashes 2 times.
  • Fuse (2.5A) is intermittently defective.
  • Picture rolls.
  • White lines.
  • No vertical deflection. Only a horizontal line at top.
  • Horizontal output transistor fails repeatedly.
  • Red and green area on every side of the screen when warm.
  • PSU pulsates.
  • Protection mode activated. in standby.
  • Vertical lines.
  • Switches to standby. intermittently. No start-up from standby. intermittently.
  • No HV.
  • No picture. Red, green or blue raster.
  • No picture. Audio OK .
  • No start-up from standby. LED is red when switching.
  • No picture. intermittently. Audio OK .
  • No raster (intermittently).
  • Squealing from PSU (intermittently).
  • Cycles on/off. Knock sensitive.
  • Switches off by itself.
  • Reduced vertical size. Vertical foldover. when cold.
  • No audio.
  • Poor focus.
  • No 15V, 8V and 5V voltages.
  • Stretched picture. intermittently.
  • Tuning drifts.
  • No picture (intermittently). Audio OK .
  • Spots on the screen during shut off.
  • Tripping at switch-on. Popping noise from speakers.
  • Brightness varies. intermittently.
  • Horizontal collapse. intermittently.
  • Cracking noise in standby. (service info for NEWWAVE -29T23TXA)
  • Vol up/down buttons change program number.
  • Tripping.
  • AGC adjustment.
  • Geometry adjustments.
  • No synchronisation. No TXT. (29T23TXA tips)
  • PSU pulsates. Standby LED flashes .

With help of this list a solution is found often when NEWWAVE 29T23TXA fails.


Additionally to repairtips or service information 29T23TXA is linked to 60 components (IC's and/or transformers) in the Tectra database, through which you can identify electrical compatibilities (crossreferences) in appliances.


Chassis information is available (which chassis is built in into 29T23TXA ).

EURAS system also knows 745 appliances having the same chassis as 29T23TXA and can easily list them.

In the repair discussion pinboard for 29T23TXA there are 69 replies to questions asked about 79 different repair problems.
With access to EURAS you can all read them or enter your own questions and get help for 29T23TXA from EURAS technicians or other users.

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Please note: access to the EURAS System can be granted only to professional TV/Video/technicians/household electronics repair shops which are authorized for service by a manufacturer, or can prove to be professionally certified to do repairs on electronic appliances. You will be asked for a statement and information accordingly during registration.

If you do not qualify as stated above and you have an appliance that needs technical service, we do recommend you to contact the manufacturer (for example through his website) or go to a professional TV/Video/household electronics repair shop close to you.

Already registered? open 29T23TXA NEWWAVE in EURAS

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Last updated: 14. Oct 2008 12:28:35 MET, doccode ISO9002AS168EKA200805C EURASMOP

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