Fisher RS-9020 Service Manual

SERVICE MANUAL
FM STEREO/MW/LW
RECEIVER WITH WIRELESS
REMOTE CONTROL RRS-9020
S-9020
AURORE]
13235140 |
SPECIFICATIONS
POWER AMPLIFIER SECTION
Minimum RMS sine wave power per channel! within stated
bandwidth at no more than stated
Distortion and Wh GO 10a0 2.5 c.cuen miseries: 55W (DIN)
TOTAPEIATINONIC. DISTOTH ON: i aniie manectumstes iterininn eee 0.09%
LEME DISTOFUON sacle acct a t n a Sislsabieersandekc a hen 0.2%
SHCAK Er DAM OING saiicisiasecoiced Macliats cateshadetotettdusdalera ceases! > 20
PREAMPLIFIER SECTION
Frequency Response
Sielejaleg (a \ Vv. see ete ere wien free ori tee, enue bree anny wreeye ee or +2dB
AUX (20HZ i+ 2OKAZ) iin eas decent +0, 206
Input Sensitivity and Impedance
PRONG iiiie an ree 2.5mV/50kQ
Tape: Monitor 1,2 .....20 ane eae 150mV/50kQ
AUX/VIDEO/CD 20. cecualseesdeerechecs suas premtneesusccnt 150mV/50kO
Phono Max. Input Capability ...........8. e s t s chwedtsoadscgesss 150mV
Multi Tone Control
Super Bass. jo... ce ee 63Hz +10dB
BASS ch aitieieehiadie ee ee 250Hz +10dB
Middle 22 oi ea hee ee 1kHz £10dB
ER cc10)(- sar eee er eer ae ne orem Te here ier rore cr 4kHz +10dB
Super Lrebie*s.2.42 kicks aecwcticatee eee 16kHz +10dB
Loudness Contour (100HZ/10KHZ) ............:: cee + 8dB/+4dB
Hum and Noise (IHF Short Circuit, A Network)
PON OF ve ik hens tonnes ermnduaas b s Mestad wonend panaia a meeeeee 70dB
TADS ONO Vea. enusu cc uticcsydancats eerie Merete ree 90dB
RUIN HAE O/ COE 2. sschitiendnneacgq enadecnacertauaasaereseamen ies 90dB
Source Direct (AUX) 0... ibaa resatacne colin ade 90dB
FM SECTION
Usable Sensitivity
Wifey a16 akc e aire ane OE bee eee eer ween NPT Herne rrr Tenn ty y 1.0uV
46dB Quieting Sensitivity
MONO) ec a aera ehisian sdstainglnciaai ered 4.0uV
Signal-to-Noise Ratio
MONO 6 Via ea c a b l e stinidankem deat benismtes 67dB
Stereo ee Denied 2 aaiadad agen anes . 638dB
Capture Ratios A AG aces cersccuesteceseasanceeuereas 2.0dB
Alt. Channel Selectivity(+300KHZ) .........0 eee eee eee 55dB
Image Response Ratio ........ ec eceeeccceeeeeenee ererer re dist lass 100dB
SPURIOUS RESPONSE Ratio cre ccs ees eeeeee neuen eeneners 95dB
[F RESPONSE Ratio: cre iiel ceili Siisac set ec elesccneteeneerensersers > 90dB
AM Suppression Ratio ......... cee eeeeeceeee eee: S u i d ealeaeaaneenid 55dB
Total Harmonic Distortion at 60dBf
MONO CTRIIZ) oie aio cu ad ek eam eeae 0.1%
DISCO CIR) ea dco aaa ese 0.2%
Stereo Separation
(TOOHZLIKHZIAOKHZ) da enicscstoccrcuntia iiss cveabes nets 40/40/30dB
~— Specifications and design are subject to change without notice. —
REFERENCE No. WM-570447