EURAS System
   EURAS worldwideeuras.com    
EURAS System

COLORTV20S YF4000 / PHOCUS [TV 51 (47/48) cm picture]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for COLORTV20S / PHOCUS.

List of fault symptoms:
  • Flickers, goes out.
  • Shuts down. after start-up. Standby LED flashes .
  • Screen is bright with flyback lines, switches off after a short time.
  • Black horizontal lines on picture.
  • No picture. Audio OK .
  • Shuts down. intermittently.
  • No tuning. No picture, only snow.
  • No or dark picture.
  • Poor picture. Snow in picture.
  • Picture size varies with picture content.
  • Dead.
  • Blue line on screen.
  • Spots in picture.
  • Picture approx. 3cm vertically.
  • Black horizontal lines in picture. No menu OSD. No TXT.
  • Low brightness. Low contrast.
  • No OSD.
  • No line drive. Switches to standby. after a few seconds.
  • No AV2.
  • Skips channels during tuning.
  • Vertical jitter. (PHOCUS - COLORTV20S information)
  • Picture is only half its size.
  • No picture. via SCART.
  • Blue picture. at start-up. No picture. No audio (after a while).
  • Low HT.
  • FET keep blowing.
  • Tripping. LED blinks .
  • Text and OSD run through from top to bottom. Black bar runs through, when OSD not available.
  • Enter service mode. (PHOCUS - COLORTV20S information)
  • No OSD sync.
  • Shuts down.
  • No switch on. Standby LED becomes darker and switches back to standby.
  • No start-up from standby.
  • No picture, only snow.
  • Intermittent red flashes with retrace lines on picture, a few times, then goes to standby.
  • Vertical size varies (intermittently). (COLORTV20S tips)
  • Stuck in standby. LED blinks .
  • Tripping.
  • At switch on, EHT crackles then appliance trips.
  • Diagonal line in picture. No OSD.
  • No picture. via AV. Audio OK .
  • T601 faulty.
  • Vertical collapse. Horizontal collapse.
  • Flickering picture. Hum bar (when cold). (COLORTV20S PHOCUS repair tip)
  • Picture shifted horizontally.
  • No synchronisation.
  • Blurred picture, with green cast and flyback lines.
  • No channels.
  • No picture.
  • Stuck in standby.

When PHOCUS COLORTV20S 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. PHOCUS COLORTV20S fails can be better solved.

If PHOCUS COLORTV20S 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 PHOCUS COLORTV20S fails.


Additionally to repairtips or service information COLORTV20S YF4000 is linked to 12 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 COLORTV20S YF4000).

EURAS system also knows 226 appliances having the same chassis as COLORTV20S YF4000 and can easily list them.

In the repair discussion pinboard for COLORTV20S YF4000 there are 47 replies to questions asked about 20 different repair problems.
With access to EURAS you can all read them or enter your own questions and get help for COLORTV20S from EURAS technicians or other users.

Do want to see this remedies/cures for repairtips?   Register here for the EURAS System

Already registered? open COLORTV20S PHOCUS in EURAS

All details on the EURAS System: English | Deutsch | Français | Italiano | Español | Magyarul | Português | Polski | Română | Greek |


Back to EURAS Homepage >> All manufacturers >> PHOCUS tech tips  


(C) EURAS International Ltd.










Last updated: 04. Sep 2008 15:06:21 MET, doccode ISO9002AS168EKA200805C [cachelite] EURASMOP

Responsible for the content: EURAS International GmbH, Eime, Germany. All rights reserved, EURAS database V2.0 (C) 2002-2008. All brand- or productnames are copyrighted by the respective manufacturer of the appliance and are only being used for identification purposes.