Sony AM-NX9, Service Manual

Page: 20 / 62

20
AM-NX9
• Adjustment Method of REG1
(item number: 745)
1. Connect a digital voltmeter to the TP1909 (REGO1) on the
MAIN board, and adjust
[VOL +]
key (voltage up) or
[VOL --]
key (voltage down) so that the voltage becomes 2.05 ± 0.01V.
2. Press the u
/ENTER
key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 22)
• Adjustment Method of REG3_LOW1
(item number: 747)
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 u /ENTER key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 22)
• 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 u
/ENTER
key 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
u
/ENTER key to write the adjusted value.
Adjustment and Connection Location: MAIN board
(see page 22)
Set LCD display
R E G 1
745
digital
voltmeter
TP1909 (REGO1)
BATT – (GND)
MAIN board
Set LCD display
R E G 3 L 1
747
digital
voltmeter
TP1907 (REGO3)
BATT – (GND)
MAIN board
Set LCD display
R E G 3 L 2
748
digital
voltmeter
TP1907 (REGO3)
BATT – (GND)
MAIN board
Set LCD display
R E G 3 H
749
digital
voltmeter
TP1907 (REGO3)
BATT – (GND)
MAIN board