Sony MZ-R700 service manual Configuration of Test Mode, Transition method in Manual Mode

MZ-G750/R700

4-5. Configuration of Test Mode

Test mode (Display Check Mode)

Press the	> or	VOL+	key
		Manual Mode
Press the	x key		Servo Adjustment
			Audio Adjustment
			Power Supply Adjustment
			OP Alignment Adjustment
Press the	. or	VOL–	key
		Overall Adjustment Mode
Press the	x key		Electrical Offset Adjustment
			Power Supply Adjustment
			Auto item Feed
			CD Overall Adjustment/

Major item switching

N key x key

Medium item switching

N key x key

Minor item switching

VOL + key: 100th Place of item number increase.

VOL – key: 100th Place of item number decrease.

VOL + key: 10th Place of item number increase.

VOL – key: 10th Place of item number decrease.

Nkey: Unit Place of item number

increase.

.key: Unit Place of item number decrease.

							MO Overall Adjustment
	key
ENTER
			Self-Diagnosis Result Display Mode
Press the	x key
Press the		or			key
	N		REC
			Sound Skip Check Result Display Mode
Press the	x key
Press the				key,or				key for several
	T MARK					ENTER
seconds(about 3 seconds)
			Key Check Mode

The key check quits,or open the upper panel

4-6. Manual Mode

Mode to adjust or check the operation of the set by function. Normally, the adjustment in this mode is not executed. However, the Manual mode is used to clear the memory, power supply adjustment, and laser power check before performing automatic adjustments in the Overall Adjustment mode.

• Transition method in Manual Mode

1.Setting the test mode (see page 12).

2.Press the > or[VOL+] key activates the manual mode where the LCD display as shown below.

This set LCD display
Manual	00 0

3.During each test, the optical pick-up moves outward or in- ward while the N or . key is pressed for several sec- onds respectively.

4.Each test item is assigned with a 3-digit item number;

100th place is a major item, 10th place is a medium item, and unit place is a minor item.

The values adjusted in the test mode are written to the nonvolatile memory (for the items where adjustment was made).

Adjusted value variation

VOL +	key: Increases the
	adjusted value
	key: Decreases the
VOL –
	adjusted value

Adjusted value write

Xkey: When adjusted value is chaged:

Adjusted value is written. When adjusted value is not changed:

That item is adjusted automatically.

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