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DISPLAY PCB
1) Items to be adjusted:
Item
Vop voltage setting
2) Adjustment and Test Point Locations
3) Equipment connection/Procedure
Input
Input
Point
Connection
Eye
51.74°
LCD
MC-Service
ADJUSTMENT
Voltmeter
(TOP VIEW)
VR401
TP2
Vop voltage setting
Set
Output
TP2
Input
Output
Adjust
Signal
Connection
VR410
Voltmeter
Watching the LCD at a 51.74° angle to the horizontal, adjust Vop
voltage so that unenergized segments are seen dimly.
— 11 —
Measuring Instrument
Voltmeter
Output
Point
Adjust for 4.3 to 4.4 V read-
TP2
ing on voltmeter under the
temparature 20 to 25 °C.
Make fine adjustment accord-
ing to the following instruc-
tion.
Adjust for
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