Sony MZ-N520 Service Manual page 14

MZ-N520/N520CK
Configuration of Test Mode
[Test Mode $Display Check Mode%]
Press the key or press the
>
on the remote commander.
[Manual Mode]
Press the
key
xCANCEL/CHG
Press the . key or press the
on the remote commander.
[Overall Adjustment Mode]
Press the
key
xCHANCEL/CHG
[GROUP]
Press the key
[Self-Diagnosis Result Display Mode]
Press the xCHANCEL/CHG
Press the or
ENTER N
[Sound Skip Check Result Display Mode]
Press the
xCHANCEL/CHG
[VOL --]
Press the key
[Key Check Mode]
The key check quits, or open the upper panel
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. Set the test mode (see page 13).
2. Press the > or press the
mander activates the manual mode where the LCD display as
shown below.
Set LCD display
0 00
M a n u a l
3. During each test, the optical pick-up moves outward or in-
ward while the or
> .
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).
14
[VOL +]
key
[Servo Adjustment]
[Audio Adjustment]
[Power Supply Adjustment]
[OP Alignment Adjustment]
[VOL --]
key
[Electrical Offset Adjustment]
Power Supply Adjustment
Auto Item Feed
CD Overall Adjustment/
MO Overall Adjustment
key
[VOL +]
key
key
[VOL +]
key on the remote com-
key is pressed for several sec-
[VOL +]
[Major item switching]
[VOL --]
> key xCANCEL/CHG
key
[VOL +]
[Medium item switching]
[VOL --]
key xCANCEL/CHG
>
key
[Minor item switching]
>
.
[Adjusted value variation]
[VOL +]
[VOL --]
[Adjusted value write]
X key on the set or
key on the remote commander : When adjusted value is
--
key: 100th place of item number
increase.
key: 100th place of item number
decrease.
key: 10th place of item number
increase.
key: 10th place of item number
decrease.
key: Unit place of item number
increase.
key: Unit place of item number
decrease.
key: Increases the adjusted
value of the 1st digit
key: Decreases the adjusted
value of the 1st digit
changed:
Adjusted value is written.
When adjusted value is
not changed:
That item is adjusted
automatically.