Hitachi CMP4121HDU Owners Guide - Page 32

ENGLISH TROUBLESHOOTING (continued) Actions to Correct Abnormal Displays Depending on the kind of system equipment used, images may not be displayed normally. In this case, make the adjustments suggested below. Symptom 1 Text displayed across the screen appears vertically streaked, with some characters blurred (figure 1). The display image appears flowing (figure 2) (RGB input). Figure 1 Example Vertical streaks Before adjustment Some characters are blurred. ABCDEFGHIJ abcdefgABCDEFGabcd ABCDEFGHIJ abcdefgABCDEFGabcd ABC After adjustment ABC All characters appear crisp now. AABBCC After adjustment All characters are blurred. 1) Press the AUTO button on the remote control. Adjustment procedure When adjustment is not possible with AUTO ADJUST 2) Press the MENU button. The Main Menu will be displayed. 3) Press the key of the SELECT button and select DISPLAY. 4) Press the ENTER button. The Display Menu will be displayed. 5) Press the key and select CLOCK. (Display fine patterns as characters or a vertical striped pattern over the entire screen during clock adjustment.) 6) Press the or key and search for clear characters over the entire screen. 7) Perform adjustment for symptom 2 below, when the characters are blurred on the entire screen. • The display image may be momentarily disturbed during clock adjustment but this is not a failure. Symptom 2 Text displayed across the screen appears blurred in its entirety (figure 2). A fine pattern flickers when displayed on the screen (figure 3). Figure 2 Example Before adjustment ABCDEFGHIJ abcdefgABCDEFGabcd ABCDEFGHIJ abcdefgABCDEFGabcd AABBCC After adjustment Figure 3 ABC Before adjustment After adjustment 1) Press the AUTO button on the remote control. Adjustment procedure When adjustment is not possible with AUTO ADJUST 2) Press the MENU button. The Main Menu will be displayed. 3) Press the key of the SELECT button and select DISPLAY. 4) Press the ENTER button. The Display Menu will be displayed. 5) Press the key and select PHASE. (Display fine patterns as characters or a vertical striped pattern over the entire screen during PHASE adjustment.) 6) Press or to make the text appear clean across the screen. 6) Press or to make the text appear without flickering.