NAD T524C
Manual de Servicio

B

Does the SLED move to inner side when it is at outter position? YES

NO

Motor Driver STBY Pin is High?

NO

Check the connection line of STBY signal.

YES

Is FMSO DC Level higher than 1.4V? YES

NO

Check the related circuit of FMSO.

SL+ and SL- output properly?

NO

Check the amp circuit on motor driver.

YES

Do not put in disc and tray close.

Check the cable connection with MECHA.

Optical Lens has movements for searching Focus? YES

NO

Proper FOSO outputs to motor driver?

NO

Check FOSO connection on MT1389 and motor dirver.

YES

Proper F+ & F- outputs?

NO

Check the amp circuit on motor dirver.

YES

C

Check cable connect on with pick-up head.

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