23
MZ-N707
• Adjustment Method of Vl PWM Duty (L)
(item number: 764)
1. Connect a digital voltmeter to the AP913 (VLO) on the MAIN
board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key
(voltage down) so that the voltage becomes 2.30
±
0.01 V.
2. Press the
X
key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 25)
• Adjustment Method of Vl PWM Duty (H)
(item number: 765)
1. Connect a digital voltmeter to the AP913 (VLO) on the MAIN
board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key
(voltage down) so that the voltage becomes 2.55
±
0.01 V.
2. Press the
X
key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 25)
digital
voltmeter
MAIN board
AP913 (VLO)
AP602 (GND)
V L p w m L * *
7 64
**
: Adjusted value
Set LCD display
digital
voltmeter
MAIN board
AP913 (VLO)
AP602 (GND)
V L p w m H * *
7 65
**
: Adjusted value
Set LCD display
• Adjustment Method of Vrec PWM Duty (L)
(item number: 766)
1. Connect a digital voltmeter to the TP (VREC) on the MAIN
board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key
(voltage down) so that the voltage becomes 1.13
±
0.02 V.
2. Press the
X
key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 25)
• Adjustment Method of Vrec PWM Duty (H)
(item number: 767)
1. Connect a digital voltmeter to the TP (VREC) on the MAIN
board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key
(voltage down) so that the voltage becomes 1.65 to 1.75 V.
2. Press the
X
key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 25)
digital
voltmeter
MAIN board
TP (VREC)
AP602 (GND)
R E C p w L * *
7 66
**
: Adjusted value
Set LCD display
digital
voltmeter
MAIN board
TP (VREC)
AP602 (GND)
R E C p w H * *
7 67
**
: Adjusted value
Set LCD display
