NAD T 751 - Measurement and Alignment Procedures; Instrument Setup for Tuner Measurements; Amplifier Section Idle Current Alignment

11
ALIGNMENT PROCEDURES
AMPLIFIER SECTION
Idle Current
Step Item Connection Adjustment Adjust for
1 Front Left Channel Voltmeter to P502 on Front Amp Board R574 2mV±0.2mV
2 Front Right Channel Voltmeter to P501 on Front Amp Board R573 2mV±0.2mV
3 Center Channel Voltmeter to P503 on Front Amp Board R599 2mV±0.2mV
4 Rear Left Channel Voltmeter to JP801 on Surround Amplifier Board R867 2mV±0.2mV
(PCB N0901C-AMP2)
5 Rear Right Channel Voltmeter to JP802 on Surround Amplifier Board R868 2mV±0.2mV
(PCB N091C-AMP2)
INSTRUMENT SETUP
1. FM MEASUREMENT
Fig. 1
Fig. 2
2. RDS MEASUREMENT
Fig. 3
3. AM MEASUREMENT
Fig. 4
FM
SIGNAL
GENERATOR
ANTENNA
TERMINAL
OUTPUT
TERMINAL
DISTORTION
ANALYZER
DISTORTION
ANALYZER
AC
VOLTMETER
OSCILLOSCOPE
AC
VOLTMETER
OR
OSCILLOSCOPE
AC
VOLTMETER
OR
OSCILLOSCOPE
OUTPUT
TERMINAL
OUTPUT
TERMINAL
L
R
ANTENNA
TERMINAL
ANTENNA
TERMINAL
ANTENNA
TERMINAL
AM LOOP
ANTENNA
(Accessory)
AM LOOP
ANTENNA
60cm
DIGITAL
MILLIVOLT
METER
VT-J914
FM
SIGNAL
GENERATOR
AM
SIGNAL
GENERATOR
FM
SIGNAL
GENERATOR
RDS
GENERATOR
FM
STEREO
GENERATOR
P-901
DC
MILLIVOLT
METER
UNIT
UNIT
UNIT
UNIT