Hitachi SR-302 Service Manual

SR-502 (black)
© HITACHI
HITACHI HI-Fl COMPONENT
STEREO RECEIVER
MODEL SR-302
MODEL §R-502
VICE MANUAL
4. SPECIFICATIONS
' FM SECTION
Frequency range . . , 88-108MHz
Sensitivity (THF) ......c.lscisssccscesceeeesssesnsssnsserees 1,.9uV
Harmonic distortion
_
Mono eo .see eee Seesbeees ucniesndeiclevescesseteccesses .0.2% (400Hz)
Stered ....cccscessoserecsosces La seadedisvectevecensine 0.6% (400Hz)
— Capture ratio IHF) oo... eesessceeseeeserensseneneenreneees 1.2dB
Signal-to-nOise ratio ......seccssssscessessssseseesseneres 65dB
Stereo separation ... 40dB (1kHz)
" Selectivity (LHF) . . . . . . s s s s s s s e s c c c e s e r s e s s r s c c s s c e s e s e s s n e n e s 46dB
Image rejection oo... eeeccessecensssnserctcnsecenerenenene 52dB
PTF TOJSCUION, cs cccesdedscesecsssscdopocwesscedocecespaicncssssoeser 90dB
. Spurious rejection .. 80dB
"AM suppression .......ceseeseeeee 56dB
Antenna impedance oo... ..cesccscceneeereneseeeees 300 ohms
AM 1 SECTION
Frequency range ws...sccsccsscsesseereseerceeee 530-1,605kHz
Sensitivity (IHF) ............. 300pnV/m (S/N 20dB), 20LV
Signal-to - noise ratio
5
Image rejection...
TF rejection ......cesesessscsseeseversvesssrssscesrsssenenseeeeeees
AUDIO SECTION
Music power (IHF)
SR-302 ....... 25W/ch+25W/ch (8 ohms, 1kHz, 1%)
SR-502 wee -37W/ch+37W/ch (8 ohms, 1kHz, 1%)
RMS power : :
SR-302 .... 15W/ch+15W/ch (40Hz-20kHz, 8 ohms)
: 16W/ch+16W/ch (8 ohms, 1 kHz, 1%)
SR-502 .... 20W/ch+20W/ch (40Hz-20kHz, 8 ohms)
P 25W/ch+25W/ch (8 ohms, 1kHz, 1%)
Harmonic distortion
at "rated output wo. bcssthivshehees 0.1% (1kHz).:
Intermodulation distortion
at Arated output ww. 0.1% (60Hz:7kHz = 4:1)
Frequency response (IHF) ........... 20Hz-30kHz (+ 1dB)
Power bandwidth (IHF) .............00. Sati aec 20Hz-40kHz
Damping factOr ......eeccsscessencsseescescees 30 (8ohms, 1kHz)
Hum and noise (IHF)
PHONO, sd snrsussvsctsdevsoeccaseackarcavsereackeoess oadhrccesdes: 66dB
AUX: civccassssenssesecess dautices Scubexstaresnsceteves tessseeese, 70GB
Input sensitivity / Rien "
Phono | 0... soaiuteeaed sidtes 2.5mV (50 kohms)
AUX... aseinten ; 200mV (100 kohms)
"200mV (35 kohms)
100mV (1kHz, 1%) |
Tape ....rrccoere
Phono overload
Tape out level
Tape OUt sisscsiscocsccdessscsertecceascestecieesiesuvcajedes
DIN (Tape out)
Tone control
BASS :cecscdavelasievanceceesasexeooes Sedvskeecnaved +10dB (100Hz)
PEE DIC? sees accecssescsesscsvsntheces Siseesvetaeiee +£10dB (10kHz)
Dimensions ... 444(W)x1 370s 347(D)mm (120V set)
424(W) x 136(H)x 347(D)mm (220-240V set)
Weight
SRi=302.G120V set) > cacscsctesccsvsssed cessivscsavsscanas 7,8kg
. | (220-240V set) ww. «=7.6kg
SR-502 (120V set) iceceeeeccssseees wee 86k
(220 -240V set) iv cesecserceeseseees 8.4kg
Power supply .......seeeeee AC 120, 220-240V, 50/60Hz
Power consumption
SRA302. ..,cassatszoasslsroesateacdsterscnseacéeet 75W (120V set)
c o e a t L1S5W (220-240V set)
SR-502: viccssecsssscseseeseceescesseessrcesse TLOW (120V set)
: _ 170W Pawan set)
Auxiliaiy' circuits
FM. stereo indicator, Signal meter, "Fiunimated: 'dial
'pointer, 2 tape. monitor switches (SR- 502 only),:FM
muting switch, Loudness switch, DIN tape IN-OUT,
Speaker selector'switch, Headphone jack.
* The above Specifications are subject to change for
improvement without notice.