Casio CTK-501 Manuel d'utilisateur télécharger pdf (Page 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 4.4 ±0.1 V reading

on voltmeter.

Make fine adjustment accord-

ing to the next instruction.

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

Test point

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 20 21

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Casio CTK-501 Manuel d'utilisateur Page 9