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CS9409 / SIEMENS [TV (chassis)]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for CS9409 / SIEMENS.

List of fault symptoms:
  • Appliance switches off after a short time but unable to switch straight back on. (part of circuit diagram displayed)
  • Switches to standby (after start-up).
  • Bright picture with flyback lines. White. Content hardly visible.
  • No picture. No audio. Standby LED lit .
  • Afterglow at switch off.
  • Colour fault. Coloured lines.
  • Power adapter is noisy (chirps). (part of circuit diagram displayed) (service info for SIEMENS -CS9409)
  • Adjusting +A, +B, +N and +F voltages: chassis board. (with circuit diagram extract)
  • Adjusting the picture tube type: chassis board.
  • Setting the picture focus: chassis board.
  • Intermittent vertical lines (also via AV) on screen and switches then over to channel 1.
  • Switches off when picture content is white.
  • Unfocussed picture with dynamic focus. (service info for SIEMENS -CS9409)
  • Switches to standby after half an hour. After 5 mins switches on again. Appliance switches off also when temperature of power supply increases. (part of circuit diagram displayed) (service info for SIEMENS -CS9409)
  • Enter service mode.
  • Switches to standby after approx. 30 min. Can not be started either via RC or manual operation, nor after mains separation (CS9409 SIEMENS repair tip)
  • Stuck in standby. (+ extract of circuit diagram)
  • Adjusting the bottom flutter gate.
  • Adjusting the video processor: chassis board.
  • Setting the colour cover: chassis board.
  • Picture too dark (reacts badly to heat).
  • Adjusting the white setting: chassis board.
  • Adjusting the white setting: picture tube board.
  • Adjusting the RGB sync level: chassis board. (SIEMENS - CS9409 information)
  • Adjusting the screen grid voltage: picture tube board.
  • Service Code.
  • AFC reference (automatic and main value): chassis board. (CS9409 tips)
  • Tuner GC adjustment (automatic and manual) - Chassis board.
  • Image geometry adjustment: chassis board.
  • Vertical bands in middle of picture, especially with white pictures when cold.
  • Dead. Standby LED lit . (extract of circuit diagram attached)
  • Dark picture (after a while).
  • Shuts down.
  • Adjusting the speed modulation: chassis board.
  • Shuts down. after start-up.
  • Line tearing. (picture attached)
  • Disable child lock.
  • Adjusting the text RGB level: chassis board.
  • Dead. (picture attached)
  • Power adapter does not start operating. (with circuit diagram extract)
  • Vertical fault in picture intermittently.
  • Adjusting the bridge coil: chassis board. (picture attached)
  • Blurry picture.
  • PSU cheeps every second.
  • Y - signal too low when cold.
  • Line focus adjustment: chassis board. (SIEMENS - CS9409 information)
  • Vertical error. Horizontal distortion only in upper picture part.
  • Switches to standby. after start-up.
  • Dead. Red LED lights, as if in standby, but no start-up.

When SIEMENS CS9409 fails , these symptoms are known and EURAS knows the remedy/solution.

Tips are coming from EURAS customers, workshops and payed technicians from all over the world. SIEMENS CS9409 fails can be better solved.

If SIEMENS CS9409 fails, this information will help you. Here you can only see the symptom list, to access remedies, you must register.

With help of this list a solution is found often when SIEMENS CS9409 fails.


Additionally to repairtips or service information CS9409 is linked to 39 components (IC's and/or transformers) in the Tectra database, through which you can identify electrical compatibilities (crossreferences) in appliances.


For CS9409 there are 3 compatible appliances known and can be listed.


In the repair discussion pinboard for CS9409 there are 8 replies to questions asked about 3 different repair problems.
With access to EURAS you can all read them or enter your own questions and get help for CS9409 from EURAS technicians or other users.

You can display a list with all appliances that have build in the CS9409/SIEMENS chassis.

Do you want to see this remedies/cures for repairtips?   Register here for the EURAS System
Please note: access to the EURAS System can be granted only to professional technicians/household electronics repair shops/Video/TV 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 household/TV/Video electronics repair shop close to you.

Already registered? open CS9409 SIEMENS in EURAS

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Last updated: 01. Dec 2008 21:13:27 MET, doccode ISO9002AS168EKA200805C EURASMOP

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All brand- or productnames are copyrighted by the respective manufacturer of the appliance and are only being used for identification purposes.