Fisher FM-915 Service Manual

SERVICE MANUAL
LW/MW/FM STEREO
SYNTHESIZER TUNER
FM-915
( EUROPE )
SPECIFICATIONS
FM SECTION Audio Frequency Response
Usable Sensitivity ge pe Cb 5s a ens Sane $0,1/—'2.5' dB
MONG sawcsnserencnmnnnassieasveerarenvivncerveyneyvelrcucrs 0.95 pV MW SECTION
'46'dB Quieting Sensitivity
|
sable GenSitiety: ...evcccnnconenennoeccaneonanedianee
ninneunr inne 550 yV/m
MONG: xciscunsaxeceesnoarens sikevenwwnen ee 3.5 pV SSO MOIS § RIG Z) ncusnsnmanscrniuenenmnnnaaniensiannnmesiunnannnncnasinved 35 dB
Signal!-to-Noise Ratio sO SIGHAMIG-MGIES FAO. .ccombesunsmmmsnsniivdeinenanaceanvsswaenacbess ». Oo Ge
MONO! ascwcrenswnes saessa laa h s ctiaredadimrcimsanesa
cama carnitine ata ciet ain . 70 dB
{mage Response Ratio ........cceeeeceeeereeeeees | Deemer ne 40 dB
StOrOG: cexsvessuxbsxssmsavunesaweswoxqeonespeunssececerauemavesneceanessom . 63 dB LF RES SORES FATE. orccemncrancumeammilernvgtioadlucnmseunpriiennemanssinsneina 70 dB
Capture Rate: csscscusaawsveseccanereereecvenassceeeueeuscrenessescreens 1.5 dB LW SECTION .
Alt. Channel Selectivity (£300 KHZ) .:......0 eee .. 50 dB LISBDIS SEHSITGIG .ccceecnncnsaloncnensennnetonnepedenensdhesemancesen 1800 pV/m
Image ReSponse Ratio .......cccccccsssscccsssserecssceeseesecsnanenss . 70 dB Selectivity (£9 KHZ) ......... eee. snout savnelacdsoucteeaateek 35 dB
Spurious Response Ratio ................ nitvaneentnavadiscongensuins . 90dB SIQGNAl-tO-NOISS RAND s..cnccccserercessordacedanexnccsenbensonesennenes 53 dB
IF Response Ratio ............ sere ueTER saci mapasine cegebeneenads > 100 dB HIGGS: RBSHONSES RAUMO™ ....nccoconcrceraanenenennearanndirarcenencainaasen 50 dB
AM SupprégsiGn Fate 'vccssxcasrenamnyennmeannswpequnnces 60 dB IF Response Ratio .....0....ccccsssssssessseenees a t c recialia a Bretaades 70 dB
Total Harmonic Distortion at 60 dBf GENERAL
Mone CUKAZ) stedenasansememanencmmmnrercnuannes 0.095 % POWS! RGQUIGHIBOTS cccrnnenemcmenncesnmennsiccensnnenanny AC 220V
Stored (1 KHZ) shincnmonininmceeacanmmnntannonaxs
0.17 % ABO
HZ) heceetes Be
aschatmnistdaieaisaciniieoniaci -ncsaiaseaubien 11W
Stereo Separation — | Dimensions (W XH XD) 20... eee eenceeeee eens 440 x 63 x 256 mm
(400 H2/t KHZz/10 KHZ) scscsicssescesedessees 7 40/40/30 dB AIREY, ECS I~ hatssatvncsaenaincun ote ities ctosrntt caine 2.8 kg
Sub-Carrier Rejection (19 kKHz/38 KHZ) ................. 50/70 dB ,
— Specifications and design are subject to change without notice.
EFERENCE No. WM-570089