Sony MZ-R900 service manual Test mode $display check mode%, Configuration of overall adjustment

MZ-R900

Overall Adjustment Mode

• Configuration of overall adjustment

Overall adjustment mode . key (Title display)

N key
Protect switch
ON	CD overall
	adjusting
	All item	NG item exists
	OK	or x key
		CD overall
		adjustment
x key		NG
	CD overall
x key	adjustment
	OK
Protect switch	N key
OFF
> key	MO overall
	adjusting

			NG item exists
			or x key
				MO overall
				adjustment
x key				NG
	MO overall
	adjustment
x key
		OK

• Overall Adjustment Mode (Title Display)

Remote commander LCD display

000 Assy**

: (Disc mark) At end of power supply adjustment: Outside lit At end of electrical offset adj.: Inside lit

Note: On the set having microcomputer version 1.000, the disc mark is displayed on the remote commander LCD only.

**: Left side = MO overall adjustment information F*: MO overall adjustment completed

1*: Manual adjustment exists (overall adj. not completed)

0*: Not adjusted

Right side = CD overall adjustment information F*: CD overall adjustment completed

1*: Manual adjustment exists (overall adj. not completed)

0*: Not adjusted

• Electrical Offset Adjusting Method

Caution: The electrical offset adjustment must be made with no disc loaded.

1.Make sure that the power supply voltage is 3 V.

2.Set the test mode (see page 12).

3.Press the . or [VOL--]key to activate the overall adjustment mode.

Remote commander LCD display

000 Assy11

4.Press the [JOG LEVER $L% R] (up) key, or [DISPLAY] key on the remote commander.

Remote commander LCD display

035 Ofst**

[JOG LEVER $L% R] (up) key or [DISPLAY] key on the remote commander

xkey

[JOG LEVER $L% r] (down) key or [PLAYMODE] key on the remote commander

xkey

Electrical

offset

adjustment

Power supply

adjustment

auto item feed

5.Electrical offset adjustment is over, if the following display appears.

Remote commander LCD display

000 OfstOK

[Test mode $display check mode%]

Note: Adjust the CD first, when performing adjustment.

20