Sony AM-NX1 Service Manual page 19

• Adjustment Method of VC2_HIGH
(item number: 744)
LCD display
744
V C 2 H i * *
** : adjusted value
1. Connect a digital voltmeter to the TP905 (VC2) on the MAIN
[VOL +]
board, and adjust
(voltage down) so that the voltage becomes 2.55 ± 0.005V.
MAIN board
TP905 (VC2)
TP952 (GND)
2. Press the key to write the adjusted value.
–
Adjustment and Connection Location: MAIN board
• Adjustment Method of REG1
(item number: 745)
LCD display
745 R E G 1 * *
** : adjusted value
1. Connect a digital voltmeter to the TP911 (REG1) on the MAIN
[VOL +]
board, and adjust
(voltage down) so that the voltage becomes 2.15
MAIN board
TP911 (REG1)
TP952 (GND)
2. Press the key to write the adjusted value.
–
Adjustment and Connection Location: MAIN board
[VOL --]
key (voltage up) or
digital
voltmeter
(see page 22)
[VOL --]
key (voltage up) or
+0.01
V.
–0.005
digital
voltmeter
(see page 22)
• Adjustment Method of REG2
(item number: 746)
LCD display
746
R E G 2 * *
** : adjusted value
1. Connect a digital voltmeter to the TP912 (REG2) on the MAIN
key board, and adjust
(voltage down) so that the voltage becomes 2.2
MAIN board
TP912 (REG2)
TP952 (GND)
2. Press the key to write the adjusted value.
–
Adjustment and Connection Location: MAIN board
• Adjustment Method of REG3_LOW (VC2_LOW)
(item number: 747)
LCD display
747 R E G 3 L 1 * *
** : adjusted value
1. Connect a digital voltmeter to the TP913 (REG3) on the MAIN
key board, and adjust
(voltage down) so that the voltage becomes 1.20 ± 0.005V.
MAIN board
TP913 (REG3)
TP952 (GND)
2. Press the key to write the adjusted value.
–
Adjustment and Connection Location: MAIN board
AM-NX1
[VOL +]
key (voltage up) or
+0.01
–0.005
digital
voltmeter
(see page 22)
[VOL +]
key (voltage up) or
digital
voltmeter
(see page 22)
[VOL --]
key
V.
[VOL --]
key
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