Sony Walkman MZ-R900 Service-Handbuch - Seite 13

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Sony Walkman MZ-R900 Service-Handbuch
Configuration of Test Mode
[Test Mode $Display Check Mode%]
[VOL +]
Press the
or
>
[Manual Mode]
Press the
x
key
[VOL --]
Press the
or
.
[Overall Adjustment Mode]
Press the
key
x
[JOG LEVER $L% ]
Press the
[DISPLAY]
or
key on the remote commander
[Self-Diagnosis Result Display Mode]
Press the
x
key
[REC]
Press the
or
N
[Sound Skip Check Result Display Mode]
Press the
key
x
[T MARK]
Press the
key, or
on the remote commander for several
seconds (about 3 seconds)
[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. Setting the test mode (see page 12).
[VOL +]
2. Press the
>
or
key activates the manual mode where
the LCD display as shown below.
Remote commander LCD display
000 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).
key
[Servo Adjustment]
[Audio Adjustment]
[Power Supply Adjustment]
[OP Alignment Adjustment]
key
[Electrical Offset Adjustment]
Power Supply Adjustment
Auto Item Feed
CD Overall Adjustment/
MO Overall Adjustment
(up) key,
R
key
[DISPLAY]
key
key is pressed for several sec-
[VOL +]
[Major item switching]
[VOL --]
N
key
x
key
[VOL +]
[Medium item switching]
[VOL --]
N
key
x
key
[Minor item switching]
N
.
[Adjusted value variation]
[Adjusted value write]
MZ-R900
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.
[VOL +]
key:Increases the
adjusted value
[VOL --]
key:Decreases the
adjusted value
key: When adjusted value is
X
changed:
Adjusted value is written.
When adjusted value is
not changed:
That item is adjusted
automatically.
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