1-3
LF Generator
e.g. PM5110
Recorder
Use Universal Test Cassette
CrO2
SBC419 4822 397 30069
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion mete
e.g. Sound Technology ST170
L
R
DUT
or Universal Test Cassette
Fe
SBC420 4822 397 30071
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
L
R
DUT
CD
Use Audio Signal Disc
(replaces test disc 3)
SBC429 4822 397 30184
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
LF Voltmeter
e.g. PM2534
DUT
S/N and distortion meter
e.g. Sound Technology ST1700B
Frame aerial
e.g. 7122 707 89001
Tuner AM (MW,LW)
To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.
Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).
RF Generator
e.g. PM5326
Ri=50
:
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
LF Voltmeter
e.g. PM2534
DUT
RF Generator
e.g. PM5326
S/N and distortion meter
e.g. Sound Technology ST1700B
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
Ri=50
:
Tuner FM
MEASUREMENT SETUP
Summary of Contents for MCM772
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Page 12: ...4 1 4 1 Block Diagram IC101 ...
Page 16: ...6 2 6 2 Display Board Layout Diagram ...
Page 19: ...7XQHU RDUG D RXW LDJUDP ...
Page 20: ...9 1 9 1 Power Board Circuit Diagram ...
Page 21: ...9 2 9 2 Power Board Circuit Diagram ...
Page 22: ...9 3 9 3 Power Board Layout Diagram ...
Page 27: ...10 10 10 10 Decoder Board Layout Diagram ...
Page 28: ...10 11 Decoder Board Layout Diagram Bottom 10 11 ...
Page 29: ...Explode View CD Part 11 1 11 1 ...