Casio CTK-601 Manual de usuario descargar pdf (Pagina 12)

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3) Equipment connection/Procedure

Vop voltage setting

Output

Set Voltmeter

TP2

Input

Connection

Input

Point

Input

Signal

Adjust

Output

Connection

Output

Point

Adjust for

VR410 Voltmeter TP2 Adjust for 4.4 ± 0.1 V reading

on voltmeter.

Make fine adjustment accord-

ing to the next instruction.

51.74°

LCD

Eye

Watching the LCD at a 51.74° angle to the horizontal, adjust Vop

voltage so that unenergized segments are seen dimly.

ADJUSTMENT

DISPLAY PCB

1) Items to be adjusted:

metItnemurtsnIgnirusaeM

gnittesegatlovpoVretemtloV

2) Adjustment and Test Point Locations

VR410

TP2

(TOP VIEW)

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 23 24

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Casio CTK-601 Manual de usuario Pagina 12