Sony MZ-NF610 CD Player User Manual


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22
MZ-NF610
• Adjustment Method of VREC_LOW (X2 speed)
(item number: 751)
1. Connect a digital voltmeter to the TP1620 (VREC) on the MAIN
board, and adjust [VOL +] key (voltage up) or [VOL --] key
(voltage down) so that the voltage becomes 1.20 ± 0.02V.
2. Press the X key on the set or the key on the remote
commander to write the adjusted value.
Adjustment and Connection Location:MAIN board
(see page 24)
• Adjustment Method of VREC_MIDDLE (X4 speed)
(item number: 752)
1. Connect a digital voltmeter to the TP1620 (VREC) on the MAIN
board, and adjust
[VOL +] key (voltage up) or [VOL --] key
(voltage down) so that the voltage becomes 1.20 ± 0.02V.
2. Press the X key on the set or the key on the remote
commander to write the adjusted value.
Adjustment and Connection Location:MAIN board
(see page 24)
• Adjustment Method of VREC_HIGH (HEAD MOTOR)
(item number: 753)
1. Connect a digital voltmeter to the TP1620 (VREC) on the MAIN
board, and adjust
[VOL +] key (voltage up) or [VOL --] key
(voltage down) so that the voltage becomes between 1.65V and
1.75V.
2. Press the X key on the set or the key on the remote
commander to write the adjusted value.
Adjustment and Connection Location:MAIN board
(see page 24)
• Adjustment Method of CHGV_LOW
(item number: 755)
Note: Remove the rechargeable battery.
1. Connect a digital voltmeter to the BATT+ and BATT– on the
MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]
key (voltage down) so that the voltage becomes 1.35 ± 0.01V.
2. Press the X key on the set or the key on the remote
commander to write the adjusted value.
Adjustment and Connection Location:MAIN board
(see page 24)
7 51 A D * *
**
: Adjusted value
Set LCD display
7 52 A D * *
**
: Adjusted value
Set LCD display
7 53 A D * *
**
: Adjusted value
Set LCD display
7 55 A D * *
**
: Adjusted value
Set LCD display
digital
voltmete
r
TP1620 (VREC)
TP1311 (GND)
MAIN board
digital
voltmete
r
TP1620 (VREC)
TP1311 (GND)
MAIN board
digital
voltmete
r
TP1620 (VREC)
TP1311 (GND)
MAIN board
digital
voltmete
r
BATT +
BATT –
MAIN board
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