Marantz MR235 - Test Equipment for Servicing

2. TEST EQUIPMENT REQUIRED FOR SERVICING
This table lists the test equipment required for servicing the Model 1530/MR230/MR235 Receiver.
Manufacturer and Model No.
Sound Technology
Model 1000A
AM Signal Generator Signal source for AM alignment
Test Loop
Use with AM Signal Generator
Signal source for FM alignment
Stereo separation alignment and trouble
shooting
FM Signal Generator
MPX Signal Generator
nuns TaehAbla Distortion measurements
Mode! 1700A sv Sinewave and squarewave signal source
Voltage measurements (AC)
Tektronix Model T932 Waveform analysis and trouble shooting and
Philips Model 3232 ASO alignment
Fluke Model 1900A MPX Oscillator adjustment (VCO)
Trouble shooting
Voltage measurements (DC) |
Monitors primary power to amplifier
Monitors amplifier output under short circuit
condition
Distortion Analyzer
Audio Oscillator
AC VTVM
Oscilloscope
Frequency Counter
Circuit Tester
Fluke Model 8000 “Digital” Simpson
Model 313, Triplet Model 801
Simpson Model 1379
DC VTVM
AC Wattmeter
AC Ammeter Commercial Grade (1-10A)
Monitors potential of primary power to
amplifier
Line Voltmeter Simpson Model 1359
Superior Electronic Co.,
Powerstat Model 116B—10A
Sharad
Plu
Use
phono
plug
with
600-ohm
Shorts
amplifier
input
to
eliminate
noise
g
rug
across center
pin
and
shell
pickup
Output
Load
(8
ohms,
.
Provides
8-ohm
load
for
amplifier
output
+0.5%,
100W)
eommerctalsatads
termination
Output
Load
(4
ohms,
wae
Provides
4-ohm
load
for
amplifier
output
Variable
Autotransformer
Adjusts
level
of
primary
power
to
amplifier
FTZ REGULATION
instruction for the use in the range other than specified in FTZ codes.
Achtung fiir die Leute, die in dem Gebiet wohnen, wo die FT Z-Bestimmungen vorherrschend sind.
Sollte das Gerat auch fir Frequenzen auszerhalb des in den FTZ-Bestimmungen angegebenen Bereiches empfangebereat sein,
bitten wir, den Bereich durch Nachstellen des Kernes in der Oszillatorspule (in der Abbildung mit “FTZ"’ gekennzeichmet) so
zu korrigieren, dass er den Bestimmungen entspricht.