Sony MDS-S50 @CN406, Checks Prior To Parts Replacement And Adjustments, Forced Reset, MDS-JE470

MDS-JE470

CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS

Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent. Details of the procedures are described in “5 Electrical Adjustments”.

•5-6-2. Laser power check (see page 28)

•5-6-3. Iop Compare (see page 28)

•5-6-4. Auto Check (see page 29)

Note:

The criteria for determination above is intended merely to determine if satisfactory or not, and does not serve as the specified value for adjustments.

When performing adjustments, use the specified values for adjustments.

FORCED RESET

The system microprocessor can be reset in the following procedure.

Use these procedure when the unit cannot be operated normally due to the overrunning of the microprocessor, etc.

Procedure :

Remove the short-pin attached to CN406, and then attach it again.

[MAIN BOARD] (Component Side)

@CN406

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