Sony MZ-E80, Service Manual

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SECTION  5

ELECTRICAL  ADJUSTMENTS

Notes for Adjustment

• In this set, automatic adjustment of CD and MO can be per-

formed by entering the test mode. (See page 6)

• Adjustments are performed in the overall adjustment mode. If

an item is determined as NG, the item is readjusted in servo
mode.

Adjustment Method in Overall Adjustment Mode

1. Enter the test mode and press the VOL + key to enter overall

adjustment mode.

2. Insert the CD test disc TDYS-1 (Parts No. 4-963-646-01) or

SONY MO disc (recorded) commercially available.

3. Press the 

”

/

+

 key. The disc is determined whether it is CD

or MO and each adjustment mode is set. Automatic adjust-
ments are performed in the order of the items listed below.

• In CD Automatic adjustment Mode

No.

Mode

Description

1

061

Sled in

2

062

Sled out

3

071

Focus search

4

051

CD EF balance

5

053

CD ABCD gain

6

051

CD EF balance

7

052

CD tracking offset

8

054

CD focus gain

9

055

CD tracking gain

10

056

CD focus bias

• In MO Automatic adjustment Mode

No.

Mode

Description

1

061

Sled in

2

062

Sled out

3

071

Focus search

4

031

MO EF balance

5

033

MO ABCD gain

6

031

MO EF balance

7

032

MO tracking offset

8

034

MO focus gain

9

035

MO tracking gain

10

036

MO focus bias

* Remote commander display during automatic adjustment

4. If result of automatic adjustment is OK, the following display

appears.

5. If result of automatic adjustment is NG, the following display

appears.

* If NG, enter servo mode to perform automatic adjustment of the

item determined as NG.

Adjustment in Servo Mode Method

1. When each adjustment mode is set according to the structure

of servo mode, the lower two digits of the mode No. and the
adjustment value written in EEPROM are displayed and lit on
the LCD on the remote commander. (See page 6)

2. When the 

P

 key is pressed, the following display appears and

the automatic adjustment is performed.

Note:

Although the VOL +/– keys can be used to change the adjust-
ment value to any value, they should not be used whenever
possible.

3. When the automatic adjustment is completed, the flashing ad-

justment value is lit.

055

Adjustment value (flashing)

Mode No. under adjustment

056

End-OK

052

NG

Error code

NG mode No.

052

Adjustment value (lit)

Mode No.

052

Adjustment value (flashing)

052

Adjustment value (lit)