Sony MZ-NE410 Notes on installing & operating OpenMG, Service Manual

Page: 19 / 64

19
MZ-NE410/NE410CK
• Adjustment Method of VC2_LOW
(item number: 743)
1. Connect a digital voltmeter to the TP1905 (VCOUT) on the
MAIN board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key (voltage down) so that the voltage becomes 2.30
±
0.01V.
2. Press the
ENT/ u
key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 22)
• Adjustment Method of VC2_HIGH
(item number: 744)
1. Connect a digital voltmeter to the TP1905 (VCOUT) on the
MAIN board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key (voltage down) so that the voltage becomes 2.55
±
0.01V.
2. Press the ENT/ u key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 22)
• Adjustment Method of VC1_LOW (PB)
(item number: 741)
1. Connect a digital voltmeter to the TP1928 (VCO1) on the MAIN
board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key (volt-
age down) so that the voltage becomes 2.35
±
0.05V.
2. Press the ENT/ u key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 22)
• Adjustment Method of VC1_HIGH (REC)
(item number: 742)
1. Connect a digital voltmeter to the TP1928 (VCO1) on the
MAIN board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key (voltage down) so that the voltage becomes 2.50
±
0.05V.
2. Press the
ENT/ u
key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 22)
Set LCD display
**
: Adjusted value
A D * *
741
digital
voltmeter
MAIN board
TP1928 (VCO1)
BATT – (GND)
Set LCD display
** : Adjusted value
A D * *
742
digital
voltmeter
MAIN board
TP1928 (VCO1)
BATT – (GND)
Set LCD display
**
: Adjusted value
A D * *
743
digital
voltmeter
TP1905 (VCOUT)
BATT – (GND)
MAIN board
Set LCD display
**
: Adjusted value
A D * *
744
digital
voltmeter
TP1905 (VCOUT)
BATT – (GND)
MAIN board