Sony MZ-N520 Service Manual page 23

• Adjustment Method of CHGV_HIGH
(item number: 756)
Set LCD display
7 56
** : Adjusted value
Note: Remove the rechargeable battery.
1. Connect a digital voltmeter to the BATT + and BATT – on the
[VOL +]
MAIN board, and adjust
key (voltage down) so that the voltage becomes 1.80 ± 0.015V.
MAIN board
BATT +
BATT –
2. Press the key on the set or the
X
commander to write the adjusted value.
Adjustment and Connection Location: MAIN board
• Adjustment Method of CHGI_LOW (Charge current)
(item number: 757)
Set LCD display
7 57
** : Adjusted value
Note: Remove the rechargeable battery.
Connect the resistor (47 ) (0.5%) between terminals of
BATT + and BATT –.
1. Connect a digital voltmeter to the BATT + and BATT – on the
[VOL +]
MAIN board, and adjust
key (voltage down) so that the voltage becomes 1.41 ± 0.015V.
MAIN board
47 Ω (0.5%)
BATT +
BATT –
2. Press the key on the set or the
X
commander to write the adjusted value.
Adjustment and Connection Location: MAIN board
A D * *
[VOL --]
key (voltage up) or
digital
voltmeter
-- key on the remote
(see page 24)
A D * *
[VOL --]
key (voltage up) or
digital
voltmeter
--
key on the remote
(see page 24)
• Adjustment Method of CHGI_HIGH (Charge current)
(item number: 758)
Set LCD display
7 58
** : Adjusted value
Note: Remove the rechargeable battery.
Connect the resistor (10 ) (0.5%) between terminals of
BATT + and BATT –.
1. Connect a digital voltmeter to the BATT + and BATT – on the
[VOL +]
MAIN board, and adjust
key (voltage down) so that the voltage becomes 1.40 ± 0.015V.
MAIN board
10 Ω (0.5%)
BATT +
BATT –
2. Press the key on the set or the
X
commander to write the adjusted value.
Adjustment and Connection Location: MAIN board
MZ-N520/N520CK
A D * *
[VOL --]
key (voltage up) or
digital
voltmeter
-- key on the remote
(see page 24)
23