Hitachi 32HDL52 User Manual download pdf (Page 47)

English

RECEPTION PROBLEMS

• IGNITION NOISE:

Black spots or horizontal streaks may appear, picture may flutter or drift. Usually

caused by interference from automobile ignition systems, neon lamps, electrical drills,

and other electrical appliances.

• GHOSTS:

Ghosts are caused by the television signal following two paths. One is the direct path

and the other is reflected from tall buildings, hills or some other objects. Changing the

direction or position of the antenna may improve reception. Ghosting may also be

caused by defects in the antenna system such as unshielded leads or connecting

several sets to the same antenna without using multiple antenna couplers.

• SNOW:

If your receiver is located in the fringe area of a television station where the signal is

weak, your picture may be marred by the appearance of small dots. When the signal

is extremely weak, it may be necessary to install a special antenna to improve the

picture.

• RADIO FREQUENCY INTERFERENCE:

The interference produces moving ripples or diagonal streaks, and in some cases,

causes loss of contrast in the picture.

• PREVENTION OF AN OBSTACLE TO RADIO RECEIVERS

This LCD TV has been designed pursuant to the FCC class B Rules. This is to

prevent a problem to Radio receivers. If this LCD TV causes a problem to Radio

receivers, then take the

following steps:

- Keep the LCD TV away from Radio.

- Adjust Radio antennas in order for the LCD TV not to receive interference.

- The antenna cable of Radio should be kept away from the LCD TV.

- Use a coaxial cable for antenna.

You can check if this LCD TV influences Radio receivers by turning off all other

equipment other than the LCD TV.

If you find a problem receiving Radio when using the LCD TV, check the instructions

mentioned above.

• The display image appears

scrolling diagonal.

• Text displayed across the screen

appears vertically streaked, with

the characters in vertical columns

blurred.

• Adjust the horizontal clock and clock phase.

(Adjust the horizontal clock first, the clock phase next.)

(RGB input)

• Text displayed across the

screen appears blurred.

• A fine pattern flickers when

displayed on the screen.

• Adjust the clock phase for the clearest viewing.

(RGB input)

• Vertical stripes appear, depending on the

screen contents.

• The LCD display panel is lighting the phosphors by the discharge of internal

radiation. Depending on the screen contents, in rare cases this may cause vertical

stripes to appear because of failure to light. Please note that this is not a malfunction.

• Coarse horizontal stripes appear in FULL

display.

• Adjusting the clock phase will reduce the horizontal stripes.

(RGB input)

• The display dims to make the picture

invisible during special playback of a

VCR (FF, REW).

• This condition may occur when the unit is connected to a VCR with component

output, such as 480i, but it is not a failure. But when it occurs, switch to composite

output.

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Hitachi 32HDL52 User Manual Page 47

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