Measurement Setup - Philips MC-77/22 Service Manual

Measurement Setup

Tuner FM
RF Generator
e.g. PM5326
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
Tuner AM (MW,LW)
RF Generator
e.g. PM5326
e.g. 7122 707 89001
To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.
CD
Use Audio Signal Disc SBC429
(replaces test disc 3)
DUT
L
R
Bandpass
DUT
250Hz-15kHz
e.g. 7122 707 48001
Bandpass
250Hz-15kHz
DUT
e.g. 7122 707 48001
Frame aerial
4822 397 30184
S/N and distortion meter
e.g. Sound Technology ST1700B
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
1-3
LF Voltmeter
e.g. PM2534
S/N and distortion meter
e.g. Sound Technology ST1700B
LF Voltmeter
e.g. PM2534
S/N and distortion meter
e.g. Sound Technology ST1700B
RECORDER
Use Universal Test Cassette CrO
or Universal Test Cassette Fe
DUT
LF Generator
e.g. PM5110
SBC419 4822 397 30069
2
SBC420 4822 397 30071
L
R
S/N and distortion meter
e.g. Sound Technology ST1700B
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter