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QM1791DES / QUME [Monitors]

The EURAS repair tip database for professional technicians and service engineers supplies the following faults for QM1791DES / QUME.

List of fault symptoms:
  • Dead.
  • Self test failure
  • B+(24V) adjustment (VR102).
  • No vertical deflection.
  • Digital control failure
  • Vertical centre adjustment (function select).
  • Horizontal centre adjustment (VR403).
  • Q420 shorted.
  • Abnormal OSD (QM1791DES tip from QUME)
  • H-hold adjustment (VR404).
  • Horizontal phase adjustment.
  • No HV.
  • Occasionally dark.
  • Horizontal width can not be adjusted. (QUME - QM1791DES information)
  • Repeatedly burn R626.
  • No vertical scan or vertical size can not be adjusted.
  • No picture.
  • Picture has been displaced from the middle downwards.
  • Technical data.
  • Horizontal width adjustment (VR406, VR407). (QM1791DES tips)
  • Abnormal power saving. LED colour is "Orange".
  • No degaussing.
  • Brightness adjustment (VR601) (2" square pattern).
  • High voltage adjustment (VR409).
  • Pincushion and tilt adjustment (VR703, VR702).
  • White balance adjustment (VR806, VR807, VR808). (QM1791DES QUME repair tip)
  • Picture or colour missing
  • Picture width is too low, E/W and pincushion distortion and cannot be adjusted.
  • Abnormal blanking.
  • Repeatedly burn R113.
  • Pumps.
  • No raster.
  • Vertical size adjustment.
  • Specifications.
  • Abnormal H.V. sync. (service info for QUME -QM1791DES)

With help of this list a solution is found often when QUME QM1791DES fails.


Additionally to repairtips or service information QM1791DES is linked to 3 components (IC's and/or transformers) in the Tectra database, through which you can identify electrical compatibilities (crossreferences) in appliances.


For QM1791DES there are 5 compatible appliances known and can be listed.


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Last updated: 25. Aug 2008 00:51:05 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.