Hitachi 42PD8800TA 用户手册

56

ENGLISH

TROUBLESHOOTING (continued)

Symptom and Check List (continued)

Symptoms

Check list

Page

 Cannot display the image from “Photo 

Input function”.

 Check the connecting equipments and image format.

(Please refer to “Photo Input function”.)

45

, 

49

, 

50

 The image on the screen is moving in 

an oblique direction.

(PC input mode only)

 Adjust “Horizontal Clock” and “Clock Phase”.

25

 The coarse horizontal stripes could be 

seen in full-display mode.

(PC input mode only)

 Adjust “Horizontal Clock”.

25

 The part of the image is lacking.

(PC input mode only)

 Check if the “Screen Saver” is OFF.
 Try “Auto Adjust”.

25

, 

27

 The horizontal stripes are moving 

vertically with fl ickering screen.

(PC input mode only)

 Check the Signal status of the PC by pressing

 

 

button 

on the remote control.

 If the Vertical Frequency of the PC is set to less than 85Hz, 

adjust its level higher (up to 85Hz).  

 Set “Vertical Filter” to ON.  

(Please note that you will have lower vertical resolution with 
this action.)

26

 When the characters are displayed 

on the whole screen, the vertical 
stripes appear and some of the 
characters are blurred.

(PC input mode only)

 Try “Auto Adjust”.
 If the display condition is not improved with Auto Adjust, 

adjust “Horizontal Clock”.

25

 When the letter string is displayed in 

full-screen, all of the characters on 
the screen are blurred.

(PC input mode only)

 Try “Auto Adjust”. 
 If the condition is not improved with Auto Adjust, adjust 

“Clock Phase” till you get clearest image. 

25

 When the small patterns are 

displayed on the screen, the entire 
screen is fl ickering.

(PC input mode only)

 Try “Auto Adjust”.
 If the condition is not improved with Auto Adjust, adjust 

“Clock Phase” till you get fl icker-free display.

25

 The thickness of the letters, lines, etc 

is not displayed evenly.

(PC input mode only)

 It could happen when the image with more than 512 

lines (42PD8800TA) / 768 lines (55PD8800TA) of vertical 
resolution is displayed.  

Please note this is not malfunction.

59

 

2005/11/14   13:38:41

2005/11/14   13:38:41

42PD8800TA  55PD8800TA

HITACHI