Sony MZ-E90 021AAASCC, Assy ?, Xxxxxxsxx, Xxxngxx, XXXEnd-OK, Section Electrical Adjustments

SECTION 5

ELECTRICAL ADJUSTMENTS

5-1. GENERAL

In this set, CD and MO discs can be automatically adjusted by set- ting the Overall Adjustment mode within the TEST MODE, Before performing these automatic adjustments, it is necessary to clear the memory and adjust the power in the Manual mode.

5-2. NOTES FOR ADJUSTMENT

5-2-1. Jigs
•	CD disc	TDYS-1 (part code: 4-963-646-01)
•	MO disc	PTDM-1 (part code: J-2501-054-A)
		or commercially available MO disc (recorded)
•	Digital voltmeter

5-2-2. Adjustment sequence

The adjustments should be always performed in the following sequence:

1 Reset NV (Clear the memory) Manual mode

2Overall CD adjustments

Overall adjustment mode

3Overall MO adjustments

5-2-3. Power

A stablized power supply is used to supply 1.5 V DC to the battery terminal.

Otherwise, an AA alkali battery with the remaining level of 1.5 V DC or more is used. (In this case, make sure that the battery indication on the remote control is “FULL”)

5-3. RESET NV

5-3-1. How to reset NV

1.Set the TEST MODE. (See page 10)

2.Set the Manual mode and set the item No. 021, Reset NV. LCD display

021AAASCC

3.Press X key on the remote control. LCD display

021AAASCC

Note: CC is blink.

4.Press X key on the remote control again. LCD display

021AAASCC

Note: CC blink. t Finish the CC light on.

5.Press x key to terminate the Manual mode and return to the

TEST MODE.

5-4. OVERALL ADJUSTMENT MODE

5-4-1. Overall adjustment mode structure

Overall Adjustment Mode

.key

Overall CD Adjustment

xkey

. key > N key

>N key

Overall MO Adjustment

xkey

Note: The overall adjustments should be always performed in the sequence of CD t MD adjustments.

5-4-2. Overall CD and MO adjustment method

1.Set the TEST MODE (see page 10) and press – key to set the Overall Adjustment mode.

LCD display

044 Assy ?

2.Insert CD disc in the set, and press . key to set the Overall CD Adjustment mode.

Automatic adjustments are made.

LCD display	Display on Adjustment state
	for Each Items.

XXXXXXSXX

XXX:Item No. for which an adjustment is being executed.

3.If NG in the overall CD adjustments, return to Reset NV and perform the adjustment again.

LCD display Adjustment Value becomed to NG.

XXXNGXX

XXX:NG item No.

4.If OK through the overall CD adjustments, then perform overall MO adjustments.

LCD display

XXXEnd-OK

5.Insert MO disc in the set, and press > N key to set the Overall MO Adjustment mode. Automatic adjustments are made.

LCD display

XXXXXXSXX

XXX: Item No. for which an adjustment is being executed.

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