HITACHI CPS370W Repair Manual

CP-S370W
4.Adjustment
4-1Beforeadjusting
1. Beforestartingadjustment,warmuptheprojector4. PerformalladjustmentsfromtheAdjustmentmenu.
forabout10minutes.(Blankwhite)Perform the following operations to display the
2.Set ZoomWide to Max.And project an image aAdjustmentmenu.
distance of more than 40 inches and set thea.Pressthe[MENU]buttonoftheRemotecontrol
normalatWHISPERmode.transmitter(theSetupmenuwillappear).
3. Normalizingthevideoadjustment.b.Next,pressthe[RESET]buttononetime.And
(Pressthe[MENU]buttonoftheRemotecontrolpressthe[RESET]buttonagainfor5seconds
transmittertodisplaytheSetupmenu,andthenpressormore(theAdjustmentmenuwillappear).
the[RESET]button.Andselectthe[DEFAULT].)
*note:Thesetupmenuisnotdisplayedonwithno
signal.
4-2Ghostadjustment
SignalsforinternaladjustmentAdjustmentprocedure
1. UseDAC-P-GHOST-R:intheAdjustmentmenu
toadjustsothatRcolorghostisataminimum.
(Settheadjustmentvaluetodefault,andthenraise
the value.When a ghost appears to the left of a
verticalline,reducethevalueby2steps.)
2. In the same way, use DAC-P - GHOST-G:in the
AdjustmentmenutoadjustsothatGcolorghostis
ataminimum.
3. In the same way, use DAC-P - GHOST-B:in the
AdjustmentmenutoadjustsothatBcolorghostis
ataminimum.
4-3Flickeradjustment(V.COMadjustment)
SignalsforinternaladjustmentAdjustmentprocedure
1. Make this adjustment after completing the
adjustmentin4-2Ghostadjustment.
2. UseDAC-P-V.COM-R:intheAdjustmentmenu
to adjust so that the flicker at the center of the
screenislessthantheflickerattheperiphery.
(When the flicker is about the same across the
whole screen, adjust so that the flicker at the
center of the screen is somewhat less than
elsewhere.)
3. In the same way, use DAC-P -V.COM-G:in the
AdjustmentmenutoadjusttheGcolorflicker.
4. In the same way, use DAC-P -V.COM-B:in the
AdjustmentmenutoadjusttheBcolorflicker.
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