Sony MDS-JE640 specifications Adjustment flow, Yes

Adjustment flow

Start

Replace IC195

NO

YES

• Abbreviation

OP: Optical pick-up

After turning off and then on the power, initialize the EEPROM

For details, refer to 4-11. WHEN MEMORY NG IS DISPLAYED (See page 19)

Replace OP or IO195

YES

5-7. INITIAL SETTING OF ADJUSTMENT VALUE (See page 26)

NO

Replace IC101, IC195, or D101

NO

YES

5-9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT (See page 26)

Replace OP, IC190, or IC195

YES

5-10. LASER POWER ADJUSTMENT (See page 26)

NO

Replace OP, IC102, IC190,	YES	5-11. Iop NV SAVE (See page 27)
or IC195
NO

	YES	5-12.	TRAVERSE ADJUSTMENT (See page 27)
Replace OP, IC101, IC151,		5-13.	FOCUS BIAS ADJUSTMENT (See page 28)
or IC195		5-16.	AUTO GAIN CONTROL OUTPUT LEVEL
			ADJUSTMENT (See page 29)
NO

Replace OP

NO

YES

OP change in Err Display mode Iop write

Replace the spindle motor	YES	Spdl change in Err Display mode
NO
5-6-4. Auto Check
(See page 24)
End adjustments

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