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LZ-800W
X35 Unit Adjustment Specification
Item
1. Screen display start
position confirmation
2. Flicker adjustment
3. Flicker confirmation
X25 Circuit Adjustment Specification
Item
1. V-LEVEL adjustment
VR401
12
ADJUSTMENT
Adjustment method/Adjustment value
• With a monoscope display confirm that the left and right positions are equal.
If they are slightly off, adjust for left/right equality with VR200.
If there is a big discrepancy, redo from the X35 adjustment.
• Adjust VR302 to minimize flicker (60Hz component)
• Confirm there is no flickering when setting to ZOOM or CINEMA mode
Adjustment method/Adjustment value
1. Feed a stair step (or ramp) signal into the Video in 1 terminal.
2. Observe pin 6 [GREEN] of CN4 with an oscilloscope and adjust
VR401[V-LEVEL] so that the difference between the pedestal
and white level is as shown below.
• Input selector = AV1
Output selector = TV
• AC range
• When adjusting with the X25
unit alone, terminate pin 6 with
75Ω
0.7±0.02V
Conditions
• Monoscope
• Input signal
Composite input
Grey RASTA
(white 30~50%)
• ZOOM mode
• Set to AC range
• Flicker jig
Conditions
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