Harman kardon avr 134
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SA FE TY P R EC A U TIO NS W AR N IN G Befo re s e rv ic in g t h is u nit , fa m ilia riz e y o u rs e lf w it h t h e fo llo w in g p re ca u tio n s: 1 . M an y e le ctr ic a l a n d m ech an ic a l p arts in th is c h assis h ave s p ecia l s a fe ty c h ara cte ris tic s th at o ft e n p ass u nnotic e d a n d th e p ro te ctio n a ffo rd ed b y th em c a n not n ece ssa rily b e o b ta in ed b y u sin g re p la ce m en t c o m pon en ts r a te d fo r h ig h er vo lt a g e, w atta g e, etc . R ep la ce m en t p arts th at h ave th ese s p ecia l s a fe ty c h ara cte ris tic s a re id en tif ie d in th is m an ual an d it s su pple m en ts : ele ctr ic a l c o m pon en ts h avin g s u ch fe a tu re s a re id en tif ie d b y in th e s ch em atic d ia g ra m a n d th e p arts l is t. B efo re r e p la cin g a n y o f th ese c o m pon en ts , r e a d t h e p arts lis t in t h is m an ual c a re fu lly . T h e u se o f s u bstit u te re p la ce m en t p arts th at d o n ot h ave t h e s a m e s a fe ty c h ara cte ris tic s a s s p ecif ie d in t h e p arts lis t m ay c re a te s h ock , fir e , o r o th er h aza rd s. 2 . B efo re re tu rn in g th e s e t to th e c u sto m er, a lw ays d o a n A C le a ka g e c u rre n t c h eck o n th e e xp ose d m eta l p arts o f th e c a b in et, s u ch a s t e rm in als , s cre w h ea d s, a n d m eta l o ve rla ys, to b e s u re th e s e t is s a fe to o p era te d an ger o f e le ctr ic a l sh ock . P lu g th e A C lin e co rd d ir e ctly i n to a 1 20 V A C o u tle t( U SA V ers io n ) o r 2 \f0 V A C o u tle t( E U V ers io n ). (D o n ot u se a lin e i s o la tio n tr a n sfo rm er d u rin g th is c h eck .) B e s u re y o u r A C v o lt m ete r h as a s e n sit iv it y o f 5 000 Ω p er v o lt o r g re a te r. T h en c o n nect a 1 500 Ω 1 0 w att re sis to r, p ara lle le d b y a 0 .1 5 µ F 1 50 V A C c a p acit o r, b etw een a k n ow n g ood e a rth g ro u nd(s u ch a s a w ate r p ip e, o r c o n du it ) a n d th e e xp ose d m eta llic p arts , o n e a t a tim e. M ea su re th e A C v o lt a g e a cro ss th e c o m bin atio n o f a 1 500 Ω re sis to r a n d a 0 .1 5 µ F c a p acit o r. R eve rs e th e A C p lu g a t th e A C o u tle t a n d r e p ea t A C v o lt a g e m ea su re m en ts fo r e a ch e xp ose d m eta lic p art. V olt a g e m ea su re d m ust n ot e xce ed 0 .7 5 V R M S. T h is c o rre sp on ds to 0 .2 m A A C . A ny v a lu e e xce ed in g th is lim it c o n stit u te s a p ote n tia l s h ock h aza rd a n d m ust b e c o rre cte d im med ia te ly . 2
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Measuring methods are based on IHF and IEC standard 268-3 Measurements conditions,unless otherwise noted : Output resistive load = (6) ohms / Both channel driven Tone Direct ON , Other SW 's : OFF Power figures should be kept minimum 10min. between 15 and 3 5˚c F ilter : IHF-A filter, R/O = Rated Output P ower supply : 240 V / 50 Hz 1. FRONT AMP SECTION *SPKR LEVEL : ALL 0dB *SPK SIZE:LLLY *6CH INPUT *TONE OFF INPUT FREQ. REMARK UNIT NOMINAL LIMIT 1 INPUT SENSITIVITY 6C H INPUT 1kHz R/O mV 200±30 200±50 TOTAL HARMONIC DISTORTION 6C H INPUT 20Hz R/O-3dB % ≤ 0.07 ≤ 0.09 (STEREO IN) 1kHz R/O-3dB % ≤ 0.07 ≤ 0.09 20KHz R/O-3dB % ≤ 0.07 ≤ 0.09 CONTINUOUS AVERAGE POW ER 6C H INPUT 20Hz (6)ohms W 75 72 at 0.1% THD 1kHz $ W7572 (STEREO IN) 20kHz $ W7572 S/N RATIO, INPUT SHORT 6C H INPUT 1kHz R/O dB ≥ 90 ≥ 85 IHF-A FILTER FREQUENCY RESPONSE (-3dB) 6C H INPUT 1W /1KHz Ref. Hz~kHz 20~55 20~50 2. CENTER AMP SECTION *SPKR LEVEL : ALL 0dB *SPK SIZE:LLLY *6CH INPUT *TONE OFF INPUT FREQ. REMARK UNIT NOMINAL LIMIT 1 INPUT SENSITIVITY 6C H INPUT 1kHz R/O mV 200±30 200±50 TOTAL HARMONIC DISTORTION 6C H INPUT 20Hz R/O-3dB % ≤ 0.07 ≤ 0.09 (STEREO IN) 1kHz R/O-3dB % ≤ 0.07 ≤ 0.09 20kHz R/O-3dB % ≤ 0.07 ≤ 0.09 CONTINUOUS AVERAGE POW ER 6C H INPUT 20Hz (6)ohms W 75 72 at 0.1% THD 1kHz $ W7572 (STEREO IN) 20kHz $ W7572 S/N RATIO, INPUT SHORT 6C H INPUT 1kHz R/O dB ≥ 90 ≥ 85 IHF-A FILTER 5 FREQUENCY RESPONSE (-3dB) 6C H INPUT 1W /1kHz Ref. Hz~kHz 20~55 20~50 DESCRIPTION DESCRIPTION 2 3 4 5 2 3 4 \f S P EC IF IC A TIO N