Sony MZ-N707 VLpwmL ** 7 64, VLpwmH ** 7 65, RECpwL ** 7 66, RECpwH ** 7 67

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 tha t the voltage becomes 2.30 ± 0.01 V.
2. Press the Xkey 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 tha t the voltage becomes 2.55 ± 0.01 V.
2. Press the Xkey to write the adjusted value.
Adjustment and Connection Location:MAIN board
(see page 25)
digital
voltmete
r
MAIN board
AP913 (VLO)
AP602 (GND)
VLpwmL **
7 64
** : Adjusted value
Set LCD display
digital
voltmete
r
MAIN board
AP913 (VLO)
AP602 (GND)
VLpwmH **
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 Xkey 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 Xkey to write the adjusted value.
Adjustment and Connection Location:MAIN board
(see page 25)
digital
voltmete
r
MAIN board
TP (VREC)
AP602 (GND)
RECpwL **
7 66
** : Adjusted value
Set LCD display
digital
voltmete
r
MAIN board
TP (VREC)
AP602 (GND)
RECpwH **
7 67
** : Adjusted value
Set LCD display