Sony MZ-N10 Adjustment method of VREC High item number, Adjustment method of 3.3upc item number

MZ-N10

•Adjustment method of VREC_High (item number: 753)

Remote commander LCD display

753 VREC H **

**: Adjusted value

1.Connect a digital voltmeter to the TP1622 (VREC) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.54 ± 0.015 V.

digital voltmeter

MAIN board

TP1622 (VREC)

TP1951 (GND)

2. Press the X key or the key on the remote commander to write the adjusted value.

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of 3.3upc (item number: 754)

Remote commander LCD display

754 3.3upc **

**: Adjusted value

1.Remove the AC adaptor and USB cradle.

2.Turn off the BUILT-IN BATTERY switch.

3.Remove the rechargeable battery from the connector (CN951).

4.Supply dc 3.7V to the battery terminals (TP1952 : +, TP1951

: GND) with a regulated dc power supply.

5.Supply dc 5V to pin 8 (VBUS) of CN952 with a regulated dc power supply.

6.Turn on the BUILT-IN BATTERY switch.

7.Select the manual mode of the test mode (see page 12), and set the item number 754.

8.Connect a digital voltmeter to the TP1623 (3.3upc) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 3.30 ± 0.01 V.

digital voltmeter

MAIN board

TP1623 (3.3upc)

TP1951 (GND)

9. Press the X key or the key on the remote commander to write the adjusted value.

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of ChgV L (item number: 755)

Remote commander LCD display

755 ChgV L **

**: Adjusted value

Note : Remove the rechargeable battery from the connector (CN951) and measure the voltage with the BUILT-IN BAT- TERY switch on. Use AC adaptor (6V) and USB cradle to supply the power.

1.Connect a digital voltmeter to the TP1952 (ChgV) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 3.40 ± 0.024 V.

digital voltmeter

MAIN board

TP1952 (ChgV)

TP1951 (GND)

2. Press the X key or the key on the remote commander to write the adjusted value.

Adjustment and Connection Location: MAIN board (see page 21)

•Adjustment method of ChgV H (item number: 756)

Remote commander LCD display

756 ChgV H **

**: Adjusted value

Note : Remove the rechargeable battery from the connector (CN951) and measure the voltage with the BUILT-IN BAT- TERY switch on. Use AC adaptor (6V) and USB cradle to supply the power.

1.Connect a digital voltmeter to the TP1952 (ChgV) on the MAIN

board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 4.20 ± 0.024 V.

		digital
	voltmeter
MAIN board
TP1952 (ChgV)
TP1951 (GND)
2. Press the X key or the	key on the remote commander

to write the adjusted value.

Adjustment and Connection Location: MAIN board (see page 21)

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