Fisher FM-226 Service Manual

SERVICE MANUAL Fr FISHER
LW/MW/FM STEREO EM - 0 9 G / 9 0 BT
SYNTHESIZER TUNER
| (EUROPE)
NOTE: There are two types on this tuner. One is with out Power Trans
(FM-226) and the other is with Power Trans (FM-226T). 125 958 46 (FM-226)
125 958 47 (FM-226T)
SPECIFICATIONS
FM SECTION Stereo Separation
Usable Sensitivity (100 Hz/1 kKHz/10 KHz) ................0008 30/33/25 dB
MONO ic oseieitieecieadiisatlwseeesieoe, 3.5 uV/15.88 dBf Sub-Carrier Rejection (19 KHz/38 kHz) ............ 28/40 dB
SICKCO oases dnciiein shceel tates we 15.0 u.V/28.52 dBf Audio Frequency Response
46 dB Quieting Sensitivity (20 Hz—15 kHz) ......... 0. eee eeeeeeee +1.0 dB/-3.0 dB
MONO sidevncccwitarchviecadesntvaddea 20.0 nV/31.02 dBf MW SECTION
SIOlOO: ees addaiwues dua eesucitiakde 100.0 uV/45.00 dBf Usable Sensitivity .........0...0 0c. c cece cece eee es 1260 nV/m
Signal-to-Noise Ratio Selectivity (EQ KHZ) ........ cc. cece cee eeeeeceeeeeeeceaes 33 dB
WOR Os ceead De etancieecnse sana teee Gait od eee: 60 dB Signal-to-Noise Ratio ........ 0. cece cece cece cece eens 50 dB
oS) (=) =, 0 en naa rE ee 52 dB Image Response Ratio ............. ccc cece cece cece eee aeees 35 dB
Capture RatiOwivsdoxciosclenentciesees eenetdech ioe xdenuads 3.0 dB IF Response Ratio 2.02... ccccccccccescescuecuececeusseuneous 55 dB
Alt. Channel Selectivity (+400 KHz) .................00 50 dB LW SECTION
Image Response Ratio ............ q i n a t e e ches euiee Gea neetaoa es 90 dB Usable Sensitivity ........... 0c ccc cece cece cece eens 3160 2V/m
Spurious Response Ratio ..............ccccceeeee eee eeeees 80 dB Selectivity (£9 KHZ) .......... cece cece ee eeeecce rene eens 33 dB
IF Response Ratio ............ ccc cece ccee eee e ence ee eeenes 100 dB Signal-to-Noise Ratio .............. cece cece cece ees 50 dB
AM Suppression Ratio ...................cceecee eee eeeeeees 50 dB Image Response Ratio ............ 0... ccc cee cece eee e ewes 35 dB
Total Harmonic Distortion at 50 dB Quieting IF Response Ratio .............. ccc cece cece cece acces ee eees 60 dB
NAGING 0k ceil oananchucann ciasadineeteesh ates: 0.4% GENERAL
SlOreo: 5 ssc aicinciteiieaci rake caamiesancsass 0.5% Power Requirements (50 Hz) (FM-226) ..............- 16VAC
Total Harmonic Distortion at 65 dBf Power Requirements (50 Hz) (FM-226T) ............ 220V AC
Mono (100 Hz/1 KHz/6 kHz) ............. 0.4/0.3/0.3 % Dimensions (WxHxD) ...............5. 400 x 56.5 x 210mm
Stereo (100 Hz/1 KHz/6 KHz) ............ 0.8/0.6/0.6 % Weight (approx.) (FM-226) ....... S u a n doaeemmwsaneeee 1.4kg
Weight (approx.) (FM-226T) ..............cceeseceeeee ees 1.8kg
— Specifications and design are subject to change without notice.—
REFERENCE No. WM-19649