Casio CTK-691 Manuale Utente Scaricare il pdf (Pagina 13)

— 11 —

Note: Fix the LED (D301, D302, D303, D304, D305, D306, D307) to the PCB according to the height as shown in

the figure below while paying attention to the polarity.

Refer to the illustration on the PCB for the details of the polarity.

Anode

Cathode

D301

D302

D306

D303

D305

■ D301, D302

D307

9. Remove 13 screws and then the lower case.

Note: Tighten the screw with the arrow mark in the figure first when reassembling.

Cushion

D304

Note: Mount LED on the PCB. (solder side)

Correct polarity and height as follows.

■ D303, D304

15.0 ± 0.5 mm

SOLDER SIDE

COMPONENT SIDE

14.5 ± 0.5 mm

SOLDER SIDE

COMPONENT SIDE

■ D305 ■ D306, D307

12.5 ± 0.5 mm

SOLDER SIDE

COMPONENT SIDE

6.8 ± 0.5 mm

SOLDER SIDE

COMPONENT SIDE

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ko min min 07 Mar 2024 | 09:08:17

yes good

Casio CTK-691 Manuale Utente Pagina 13