Sony MZ-R50 4000, Assy MODE, Mo Run, Cd Run, CD mode OK, CD mode NG, General Adjustment Mode

[General Adjustment Mode]

•Set the test mode, press the +key, and set the general adjust- ment mode.

•To set other modes, cut off the power once and power on again.

•When the general adjustment mode is set, the LCD display will be as follows.

4000

Assy MODE

• Structure of General Adjustment Mode

General

adjustment mode

Ókey (CD, MO discrimination)

CD automatic	Ó key
adjustment	OK
	p key
p key	NG

MO automatic	Ó key
adjustment	OK
	p key
p key	NG

• MO Automatic Adjustment

No.	Mode No.	Adjustment
1	032	MO playback EF balance adjustment
2	033	MO playback ABCD level adjustment
3	034	MO recording EF balance adjustment
4	035	MO recording ABCD level adjustment
5	037	MO focus gain adjustment
6	038	MO tracking gain adjustment
7	061	32 cluster full REC
8	062	REC shock
9	063	32 cluster PLAY
10	039	MO focus bias adjustment
11	042	Low reflection CD EF balance adjustment
12	043	Low reflection CD ABCD level adjustment
13	045	Laser low reflection CD read adjustment
14	046	Low reflection CD tracking gain adjustment

* Display during MO automatic adjustment

37	Mode No.
	during adjustment

MO RUN

4.If the automatic adjustment results are OK, the following will be displayed.

Reset

Adjusting Method :

1.Set the test mode, press the = key to set the general adjust- ment mode.

2.Load the CD test disc (TDYS-1) or SONY MO disc available on the market.

3.When the Ókey is pressed, the disc is determined if CD or MO, the automatic adjustment modes are set, and adjustments are per- formed automatically in the following order.

• CD Automatic Adjustment

No.	Mode No.	Adjustment
1	052	CD EF balance adjustment
2	053	CD ABCD level adjustment
3	055	CD focus gain adjustment
4	056	CD tracking gain adjustment
5	057	CD focus bias adjustment

* Display during CD automatic adjustment

51 Mode No.

during adjustment

CD RUN

00

CD mode OK

5.If the automatic adjustment results are NG, the following will be displayed.

NG mode No. (Last 2 digits)

557F Adjustment results

CD mode NG

*When the mode number is 039, 057 and the focus bias value is NG, the following will be displayed

Mode No. (Last 2 digits)

5730 Focus bias value

CD mode NG

77 : focus bias	Displayed while the P key is
	pressed

7701 Error code

(01 to 04)

CD mode NG

*When the mode number is 039, 061 and the AT error rate is NG, the following will be displayed.

Mode No. (Last 2 digits)

3903 AT error value

CD mode NG

*When NG, set the servo mode and perform the automatic adjust- ment of the NG item. (Refer to “Servo Mode”).

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