Brand: HITACHI
Category: TV
Document Type: Manual
Language: EN
Brand: HITACHI
Category: TV
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 6:06 p.m.
| SYMPTOM | CHECKPOINT |
|---|---|
| No picture and sound | Check the TV set is plugged in. Check the Volume, Brightness, and Contrast controls are not set at minimum. |
| Picture is OK, but no sound | Check the volume Control is not set at minimum. Check that the mute function is off |
| Sound is OK, but no picture | Check the brightness and Contrast controls are not set at minimum. |
| No colour | Check the colour control is not set at minimum. |
| Excessive noise in picture | Check the aerial cable is not broken, disconnected or damaged. |
| Diagonal stripes appear on the picture | The picture may be affected by an interfering signal. (eg. from nearby amateur radio transmitters or another TV set). The interference can be reduced to some extent by adjusting the direction or height of the aerial. |
| Picture has « snow » | Check the aerial cable is not broken, disconnected or damaged. Small dots all over the screen are caused by a weak aerial signal. |
| Ghost images appear | Check that the aerial direction has not changed after a storm or strong wind etc... Ghost images are caused by a signal being reflected from a large building or a hill : the direction or height of the aerial should be chosen well in order to minimise the ghosting images. |