Marantz 2015 - Test Equipment Required for Servicing

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7. Test Equipment Required for Servicing
Table
1
lists
the
test
equipment
required
for
servicing
the
Model
2015
Receiver.
Manufacturer and Model No.
Use
AM Signal Generator
Test Loop
FM Signal Generator
Stereo Modulator
Audio Oscillator
Oscilloscope
VTVM
Circuit Tester
AC Wattmeter
AC Ammeter
Line Voltmeter
Variable Autotransformer
(0-140VAC, 10 amps.)
Shorting Plug
Output Load
(8 ohms, 0.5%, 100W)
Output Load
(4 ohms, 0.5%, 1OOW)
Less than 0.3% distortion
Less than 0.3% distortion
Weston Model CVO-100P, less
than 0.02% residual distortion
is required.
High sensitivity with DC hori-
zontal and vertical amplifiers.
With AC, DC, RF range
Simpson, Model 390
Commercial Grade (1-10A)
Commercial Grade
(0-150VAC)
Powerstat, Model 116B
Use phono plug with 600 ohm
across center pin and shell.
Commercial Grade
Commercial Grade
Signal
ment.
source for AM_ align-
Used with AM Signal generator
Signal
ment.
source for FM _align-
Stereo separation alignment
and trouble shooting.
Sinewave and squarewave sig-
nal source.
Waveform analysis and Trou-
ble Shooting, and ASO align-
ment.
Voltage measurements.
Trouble Shooting.
Monitors primary power to
Amplifier.
Monitors amplifier output un-
der short circuit condition.
Monitors potential of primary
power to amplifier.
Adjusts level of primary power
to amplifier.
Shorts amplifier input to elimi-
nate noise pickup.
Provides 8-ohm load for am-
plifier output termination.
Provides 4-ohm load for am-
plifier output termination.
Table 1. Test Equipment Required for Servicing