Sony AM-NX9 Service Manual page 23

Portable minidisc recorder
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Power Supply Adjustment Auto Item Feed
Note: This mode is available to perform the temperature correction and
power supply adjustment without entering the manual mode.
• Setting method of power supply adjustment auto item feed mode.
1. Set the test mode (see page 13)
2. Press the
.
key to activate the overall adjustment mode.
Set LCD display
000
A s s y * *
[DOWN LOARD]
3. Press the
tion mode.
Set LCD display
015
S e t T m p
4. To change the initial value adjust with the
key.
Press the
u/ENTER
key to write the adjusted value, and the
item number increases automatically.
When not writing the adjusted value, press the
Set LCD display
741
V C 1 L
• Configuration of power supply adjustment auto item feed
.
key
.
key
.
key
.
key
.
key
.
key
key to set the temperature correc-
[VOL +]
[VOL --]
or
>
key to move
000Assy **
VOL – key
015 Set Tmp
>
key
741 VC1 L
>
key
742 VC1 H
>
key
743 VC2 Lo
>
key
744 VC2 Hi
>
key
745 REG1
>
key
to the next item.
5. Connect a digital voltmeter to the measuring points on the
MAIN board, and adjust the voltage with the
[VOL --]
key. (see page 18 to 21)
Press the
u/ENTER
key to write the adjusted value, and the
item number increases automatically.
6. When not writing the adjusted value, press the
move to the next item. The
last item.
7. The following message is displayed after all power supply
adjustments finish.
Set LCD display
000
A D J O K
8. Press the
STOP/CANCEL x
play check mode).
747 REG3L1
.
key
748 REG3L2
.
key
749 REG3 H
.
key
751 VREC L
.
key
752 VREC M
.
key
753 VREC H
>
000 ADJ OK
AM-NX9
[VOL +]
>
key to
.
key is available to back to the
key to return the test mode (dis-
>
key
>
key
>
key
>
key
>
key
key
or
23

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