Casio CTK-620L Manuel d'utilisateur télécharger pdf (Page 13)

— 12 —

3) Equipment connection/Procedure

Vop voltage setting

Output

Set Voltmeter

TP3

37.6°

LCD

Eye

Watching the LCD at a 37.6° 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

(TOP VIEW)

VR401

TP3

Input

Connection

Input

Point

Input

Signal

Adjust

Output

Connection

Output

Point

Adjust for

VR401 Voltmeter TP3 Adjust for 4.2 ~ 4.3 V reading

on voltmeter under the tem-

perature 20 ~ 25 °C.

Make fine adjustment accord-

ing to the next instruction.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 32 33

Ender Carroz 14 Sep 2024 | 23:31:30

Muy buena información.

Ender Carroz 14 Sep 2024 | 23:34:00

Muy buena información.

Casio CTK-620L Manuel d'utilisateur Page 13