Instrument Setup; Alignment Procedures; Amplifier Section - NAD T 741 Service Manual

INSTRUMENT SETUP

1. FM MEASUREMENT
Fig. 1
Fig. 2
FM
STEREO
GENERATOR
2. RDS MEASUREMENT
Fig. 3
RDS
GENERATOR
3. AM MEASUREMENT
Fig. 4

ALIGNMENT PROCEDURES

AMPLIFIER SECTION

Idle Current
Step Item
1 Front Left Channel
2 Front Right Channel
3 Center Channel
4 Rear Left Channel
5 Rear Right Channel
ANTENNA
TERMINAL
FM
SIGNAL
GENERATOR
FM
SIGNAL
GENERATOR
FM
SIGNAL
GENERATOR
AM
SIGNAL
GENERATOR
AM LOOP
ANTENNA
Voltmeter to M714 on Main Board
Voltmeter to M713 on Main Board
Voltmeter to M712 on Main Board
Voltmeter to TP202 on Surround Amplifier Board
Voltmeter to TP201 on Surround Amplifier Board
OUTPUT
TERMINAL
UNIT
P-901
DC
MILLIVOLT
METER
ANTENNA OUTPUT
TERMINAL TERMINAL
L
R
UNIT
OSCILLOSCOPE
ANTENNA
TERMINAL
UNIT
60cm
UNIT
AM LOOP ANTENNA
ANTENNA TERMINAL
(Accessory)
DIGITAL
MILLIVOLT
METER
Connection
(PCB N0A00C-AMP2)
(PCB N0A00C-AMP2)
12
DISTORTION
ANALYZER
AC
VOLTMETER
OR
OSCILLOSCOPE
DISTORTION
ANALYZER
AC
VOLTMETER
OUTPUT
TERMINAL
VOLTMETER
OSCILLOSCOPE
VT-J954
Adjustment Adjust for
VR7703
VR7702
VR7701
VR202
VR201
AC
OR
1mV±0.2mV
1mV±0.2mV
1mV±0.2mV
1mV±0.2mV
1mV±0.2mV