Hitachi VIV-E553LE - Flicker Adjustment

Test Point:
PG5301-6
PG5301-8 (GND)
Procedure:
— ) Refer to display 8-1.
2) Press 7 key.
3) Refer to display 8-2.
4) Press the U and D keys so the level ats section (C)
of the waveform is 6.5V + 0.2Vp-p. (See Fig. 2-105)
5) After setting is completed, press the [RETURN
(ENTER)] key.
(8) Burst Cleaning Adjustment [Model EE, HE]
Purpose:
To adjust chroma phase:
Incompleted Phenomenon:
Horizontal line noise appears in the scene with high
saturation.
Equipment/Jig:
Oscilloscope
Test Point:
PG5301-5
PG@5301-8 (GND)
Procedure:
1) Refer to display 8-1.
2) Press 8 key.
3) Refer to display 8-2.
4) Press the U and D keys to align the R signal levels at
each H. (The waveform will not stabilize unless the
levels match.)
5) After setting is completed, press the [RETURN
(ENTER)] key.
(9) Flicker Adjustment
Purpose:
To minimize flickering on the LCD screen:
Incompleted Phenomenon:
Flickering is present in the picture.
Condition:
Set the CAM/OFF/VIDEO switch to VIDEO position.
Load the alignment tape and it the playback (color bar
section).
Procedure:
1) Refer to display 8-1.
2) Model EA, HA:
Press 8 key.
Model EE, HE:
Press 9 key.
3) Refer to display 8-2.
4) Press the U and D keys until the picture on the LCD
screen Is optimal quality.
5) After setting ts completed, press the [RETURN
(ENTER)] key.
Display & Figs
Display 8-1 Display 8-2
| xxxXxXxKX
LCD ADJUSTMENT KRHA IKK KKK ER EERERE EKER EERE EEK KEE
KRRRERIKEREEKRER IK IIK EES IIA KI AIK IIIA [U] UP
[1] PLL VCO {[D] DOWN
[2] H. POSITION [RETURN] SAVE & RETURN TO MENU
[3] RGB GAIN [ESC] RETURN TO MENU
[4] sub B Please select [U], [D],
[5] sub R [RETURN] or [ESC] J
[6] CONTRAST
[7] COM
[8] BURST CLEAR ==,
[9] FLICKER
[ESC] RETURN TO MENU
Please select [1] - [9] or [ESC] (C)
Fig. 2-105
R
SIGNAL
LEVEL
al
1H 1H
Note: Waveform may not invert
every H because of the
thinning-out period.
Fig. 2-106
E3-15