Hitachi l42x01au User Manual

Page of 60
54
TROUBLESHOOTING (continued)
Symptom and Check List (continued)   
Symptoms Check 
list 
Page
Ɣ
The image on the screen is moving in an   
oblique direction.   
(PC input mode only) 
Ɣ
Adjust “Horizontal Clock” and “Clock 
Phase”.
35
Ɣ
The coarse horizontal stripes could be 
seen in full-display mode.   
(PC input mode only) 
Ɣ
Adjust “Horizontal clock”. 
35
Ɣ
The part of the image is lacking.   
(PC input mode only) 
AAAAA
Ɣ
Try “Auto Adjust”. 
35
Ɣ
The horizontal stripes are moving 
vertically with flickering screen.   
(PC input mode only) 
Ɣ
Check the Signal status of the PC by 
pressing Recall button
  on the remote 
control.  
35
Ɣ
When the characters are displayed on the 
whole screen, the vertical stripes appear 
and some of the characters are blurred.
(PC input mode only) 
abcdefgABCDEFGabcd
abcdefgABCDEFGabcd
Ɣ
Try “Auto Adjust”. 
Ɣ
If the display condition is not improved with 
Auto Adjust, adjust “Horizontal Clock”. 
35
Ɣ
When the letter string is displayed in 
full-screen, all of the characters on the 
screen is blurred.   
(PC input mode only) 
abcdefgABCDEFGabcd
abcdefgABCDEFGabcd
Ɣ
Try “Auto Adjust”. 
Ɣ
If the condition is not improved with Auto 
Adjust, adjust “Clock Phase” till you get 
clearest image. 
35
Ɣ
When the small patterns are displayed on 
the screen, the entire screen is flickering.   
(PC input mode only) 
Ɣ
Try “Auto Adjust”. 
Ɣ
If the condition is not improved with Auto 
Adjust, adjust “Clock Phase” till you get 
flicker-free display. 
35
Ɣ
Image cannot be displayed in the correct position. 
(PC input mode only)   
Ɣ
Press
  button to check if input signal of 
the displayed image is compatible with the 
specification of the television. 
51
,
35
Ɣ
No Picture or sound is output. (DTT mode only) 
Ɣ
It might occur because it is tuned to digital 
teletext channel. 
Ɣ
Return to another channel. 
45
Ɣ
Forgotten password. (DTT mode only) 
Ɣ
Press and hold down 
 [Yellow], 
[Blue]  and 
  buttons on the remote 
control simultaneously for over 3 seconds 
so that the password returns to the default 
setting (0000).   
44
Ɣ
Due to the bad reception, block noise (DTT mode only) 
Ɣ
Check the aerial system to improve signal 
quality. 
15
Ɣ
Local time displays incorrectly. 
(DTT mode only) 
Ɣ
Check if you select correct area in “Local 
time” from “General setting”. 
45