Casio CTK-625L Uživatelský manuál stáhnout pdf (Strana 9)

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3) Equipment connection/Procedure

Vop voltage setting

Input

Connection

Input

Point

Input

Signal

Adjust

Output

Connection

Output

Point

Adjust for

VR1 Voltmeter V5

Adjust for 4.3 ±0.1 V reading

on voltmeter.

Make fine adjustment accord-

ing to the next instruction.

53.5°

LCD

Eye

Watching the LCD at a 53.5° 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

Test point

Output

Set Voltmeter

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 18 19

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Casio CTK-625L Uživatelský manuál Strana 9