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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
voltmete
r
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