Casio CTK-511 Manual do Utilizador descarregar pdf (Página 9)

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Output

Set Voltmeter

R62

3) Equipment connection/Procedure

Vop voltage setting

Input

Connection

Input

Point

Input

Signal

Adjust

Output

Connection

Output

Point

Adjust for

VR1 Voltmeter R62 Adjust for 4.40 ~ 4.46 V read-

ing on voltmeter under the

temparature 20 ~ 25 °C.

Make fine adjustment accord-

ing to the following instruc-

tion.

Watching the LCD at a 37° angle to the horizontal, adjust Vop

voltage so that unenergized segments are seen dimly.

ADJUSTMENT

MAIN PCB

1) Items to be adjusted:

2) Adjustment and Test Point Locations

(TOP VIEW)

Item

Measuring Instrument

Vop voltage setting Voltmeter

37°

LCD

Eye

(BOTTOM VIEW)

Test point

VR1

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Linda Riffle 26 Apr 2024 | 01:03:09

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Casio CTK-511 Manual do Utilizador Página 9