23
MZ-N505
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 (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)
• Adjustment Method of Vrec PWM Duty (L)
(item number: 766)
764
AD **
Set LCD display
**
: Adjusted value
digital
voltmeter
MAIN board
AP913 (VLO)
AP602 (GND)
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)
TEMPERATURE COREECTION
• Adjustment Method of Temperature Correction
1. Select the manual mode of test mode, and set the item number
015 (see page 14).
2. Measure the ambient temperature.
3. Adjust with
[VOL +]
,
[VOL --]
key so that the adjusted value
(hexadecimal value) becomes the ambient temperature.
(Initial value: 19h = 25
°
C, Adjusting range: 80h to 7fh (–128
°
C to +127
°
C)
4. Press the
X
key to write the adjusted value.
digital
voltmeter
MAIN board
AP913 (VLO)
AP602 (GND)
765
AD **
Set LCD display
**
: Adjusted value
766
AD **
Set LCD display
**
: Adjusted value
digital
voltmeter
MAIN board
TP (VREC)
AP602 (GND)
767
AD **
Set LCD display
**
: Adjusted value
digital
voltmeter
MAIN board
TP (VREC)
AP602 (GND)
015
###S**
Set LCD display
###
: Address
**
: Adjusted value
Summary of Contents for MZ-N505 OpenMG Jukebox NOTES on installing & operating
Page 65: ...MZ N505 65 MEMO ...
