Sony MZ-NF810CK Service Manual - Page 20

Reg3l2, Reg3 H, Vrec L, Vrec M, Vrec H

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MZ-NF810/NF810CK • Adjustment Method of REG3_LOW2 (item number: 748) Remote commander LCD display 748 REG3L2 ** **: Adjusted value 1. Connect a digital voltmeter to the TP1907 (REGO3) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 1.25 ± 0.01V. digital voltmeter MAIN board TP1907 (REGO3) BATT- (GND) 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 22) • Adjustment Method of REG3_HIGH (item number: 749) Remote commander LCD display 749 REG3 H ** **: Adjusted value 1. Connect a digital voltmeter to the TP1907 (REGO3) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 1.25 ± 0.01V. digital voltmeter MAIN board TP1907 (REGO3) BATT- (GND) 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 22) • Adjustment Method of VREC_LOW (X2 speed) (item number: 751) Remote commander LCD display 751 VREC L ** **: Adjusted value 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 1.10 ± 0.02V. digital voltmeter MAIN board TP1620 (VREC) BATT- (GND) 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 22) 20 • Adjustment Method of VREC_MIDDLE (X4 speed) (item number: 752) Remote commander LCD display 752 VREC M ** **: Adjusted value 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 1.10 ± 0.02V. digital voltmeter MAIN board TP1620 (VREC) BATT- (GND) 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 22) • Adjustment Method of VREC_HIGH (HEAD MOTOR) (item number: 753) Remote commander LCD display 753 VREC H ** **: Adjusted value 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. digital voltmeter MAIN board TP1620 (VREC) BATT- (GND) 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 22)

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20
MZ-NF810/NF810CK
•
Adjustment Method of REG3_LOW2
(item number: 748)
1.
Connect a digital voltmeter to the TP1907 (REGO3) on the
MAIN board, and adjust
[VOL°+]
key (voltage up) or
[VOL°--]
key (voltage down) so that the voltage becomes 1.25 ± 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 22)
•
Adjustment Method of REG3_HIGH
(item number: 749)
1.
Connect a digital voltmeter to the TP1907 (REGO3) on the
MAIN board, and adjust
[VOL°+]
key (voltage up) or
[VOL°--]
key (voltage down) so that the voltage becomes 1.25 ± 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 22)
•
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 1.10 ± 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 22)
•
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 1.10 ± 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 22)
•
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 22)
digital
voltmeter
TP1907 (REGO3)
BATT– (GND)
MAIN board
digital
voltmeter
TP1907 (REGO3)
BATT– (GND)
MAIN board
748
REG3L2 **
**
: Adjusted value
Remote commander LCD display
749
REG3 H **
**
: Adjusted value
Remote commander LCD display
751
VREC L **
**
: Adjusted value
Remote commander LCD display
digital
voltmeter
TP1620 (VREC)
BATT– (GND)
MAIN board
752
VREC M **
**
: Adjusted value
Remote commander LCD display
digital
voltmeter
TP1620 (VREC)
BATT– (GND)
MAIN board
753
VREC H **
**
: Adjusted value
Remote commander LCD display
digital
voltmeter
TP1620 (VREC)
BATT– (GND)
MAIN board