1-4
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
Содержание FW-M589
Страница 16: ...Service position A Service position B Service position C 2 4 2 4 DISMANTLING INSTRUCTIONS ...
Страница 62: ...9 2 9 2 AF12 BOARD COMPONENT LAYOUT ...
Страница 63: ...9 3 9 3 AF12 BOARD CHIP LAYOUT MAPPING AF12 BOARD COMPONENT LAYOUT MAPPING ...
Страница 64: ...9 4 9 4 AF12 BOARD CHIP LAYOUT ...
Страница 76: ...10 8 Location of switches ...
Страница 84: ...10 16 10 16 Exploded view 5DTC mechanic for orientation only ...