Sony MZ-N520 Service Manual page 25

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 or press the
.
commander to activate the overall adjustment mode.
Set LCD display
0 00
A s s y * *
[END SEARCH]
3. Press the
tion mode.
Set LCD display
0 15
4. To change the initial value (not displayed) adjust with the
+] [VOL --]
or key.
Press the key to write the adjusted value, and the item num-
X
ber increases automatically.
When not writing the adjusted value, press the
move to the next item.
• Configuration of power supply adjustment auto item feed
000Assy **
. key
. key
. key
. key
. key
. key
. key
. key
[VOL --]
key on the remote
key to set the temperature correc-
S e t T m p
key to
>
END SEARCH key
015 SetTmp
> key
741 VC1 L
> key
742 VC1 H
> key
743 VC2 Lo
> key
744 VC2 Hi
> key
745 REG1
> key
747 REG3L1
> key
748 REG3L2
> key
Set LCD display
7 41
5. Connect a digital voltmeter to the measuring points on the
MAIN board, and adjust the voltage with the
--]
key. (see page 19 to 23)
Press the X key to write the adjusted value, and the item num-
ber 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
0 00
8. Press the xCANCEL/CHG key to return the test mode (dis-
[VOL
play check mode).
. key
. key
. key
. key
. key
. key
. key
MZ-N520/N520CK
V C 1 L
[VOL +]
. key is available to back to the
A D J O K
749 REG3 H
> key
751 VREC L
> key
752 VREC M
> key
753 VREC H
> key
755 ChgV L
> key
756 ChgV H
> key
757 CIL **
> key
758 CIH **
> key
000 ADJ OK
[VOL
or
> key to
25