1-4
PCS 90 113
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 FW-D5/21
Страница 31: ...4 1 4 1 SET BLOCK DIAGRAM PCS 103 822 L R POWER AMP C S POWER AMP SUPPLY DVD FM 95 00 DAC FRONT MIC ...
Страница 33: ...5 2 PCS 103 824 SET GROUND WIRING DIAGRAM ...
Страница 34: ...D O N O T P R I N T B L A N K P A G E ...
Страница 73: ...10 3 CS 53 302 Service Position ...
Страница 74: ...10 4 CS 53 303 Wiring ...
Страница 99: ...PCS 103 872 12 1 12 1 EXPLODED VIEW MAIN UNIT ...