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1-4
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 meter
e.g. Sound Technology ST1700B
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
Ω
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
Ω
Tuner FM
MEASUREMENT SETUP
Содержание FWM570/21
Страница 11: ...2 1 2 1 Figure 1 Figure 2 Figure 4 Figure 3 Figure 5 Figure 6 ...
Страница 14: ...Service position A Service position B Service position C 2 4 2 4 DISMANTLING INSTRUCTIONS ...
Страница 20: ...5 2 5 2 CONTROL BOARD COMPONENT LAYOUT ...
Страница 21: ...5 3 5 3 CONTROL BOARD CHIP LAYOUT ...
Страница 26: ...6 2 6 2 DISPLAY BOARD COMPONENT LAYOUT ...
Страница 27: ...6 3 6 3 DISPLAY BOARD CHIP LAYOUT ...
Страница 71: ...10 4 Wiring Disc Motor Inner switch Slide Motor Service Position ...
Страница 84: ...11 2 11 2 AF12 BOARD COMPONENT LAYOUT ...
Страница 85: ...11 3 11 3 AF12 BOARD CHIP LAYOUT MAPPING AF12 BOARD COMPONENT LAYOUT MAPPING ...
Страница 86: ...11 4 11 4 AF12 BOARD CHIP LAYOUT ...