1-4
SERVICE TOOL
Audio Signals Test Disc 1 ................................. 4822 397 30184
MEASUREMENT SETUP
Tuner FM
Bandpass
DUT250Hz-15kHzLF Voltmeter
e.g. 7122 707 48001 e.g. PM2534
RF Generator
e.g. PM5326
W
Ri=50
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).
Tuner AM (MW,LW)
Bandpass
250Hz-15kHzLF Voltmeter
DUT
e.g. 7122 707 48001 e.g. PM2534
RF Generator
e.g. PM5326
S/N and distortion meter
e.g. Sound Technology ST1700B
W
Frame aerial
e.g. 7122 707 89001
Ri=50
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).
SAFETY
GBSAFETY NL
Safety regulations require that the set be restored to itsVeiligheidsbepalingen vereisen, dat het apparaat in zijn
original condition and that parts which are identical withoorspronkeliijke toestand wordt teruggebracht en dat
those specified be used.onderdelen, identiek aan de gespecificeerde, worden toegepast.
Safety components are marked by the symbolDe Veiligheidsonderdelen zijn aangeduid met het symbool
F I
Les normes de sécurité exigent que l`appareil soit remisLe norme di sicurezza estigono che l´apparecchio venga
a l`état d`origine et que soient utilisées les pieces derimesso nelle condizioni originali e che siano utilizzati i
rechange identiques a celles spécifiées.pezzi di ricambiago identici a quelli specificati.
D
Les composants de sécurité sont marquésComponenty di sicurezza sono marcati con
Bei jeder Reparatur sind die geltenden Sicherheitsvor-
schriften zu beachten. Der Originalzustand des Gerätes
darf nicht verändert werden. Für Reparaturen sind Original-
ersatzteile zu verwenden.
Sicherheitsbauteile sind durch das Symbol markiert.
PCS 102 484 |
ACEC
