Onkyo R 805 TX Service Manual
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Extracted text from Onkyo R 805 TX Service Manual (Ocr-read)
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SPEC IF IC ATIO NS Fr T A m pli e r S ectio n P ow er o utp ut 20 w atts p er c h annel, m in R M S, a t 4 ohm s, b oth c h annels d riv e n 1 k H z, w it h n o m or e th an 0 .6 % T H D 15 w att p er c h annel, m in R M S, a t 8 o hm s, b oth c h annels d riv e n 1 k H z, w it h n o m or e th an 0 .6 % T H D 2 X 2 0 w atts a t 4 o hm s, 1 k H z, D IN2 X 1 7 w atts a t 6 o hm s, 1 k H z, D IN2 X 1 5 w atts a t 8 o hm s, 1 k H z, D IN2 X 2 9 w atts a t 4 o hm s, 1 k H z, E IA J D yn am ic p ow er o utp ut 2 X 2 4 w atts a t 4 o hm s2 X 1 7 w atts a t 8 o hm s ota l h arm onic d is to rtio n 0.6 % a t r a te d p ow er IM d is to rtio n 0.6 % a t r a te d p ow er D am pin g f a cto r 30 a t 8 o hm s In put S ensit iv it y a nd Im pedance TA PE/M D P LA Y: 1 50 m V , 5 0 k o hm s LIN E IN : 1 50 m V , 5 0 k o hm s equency a nd r e sp onse 1 0 t o 5 0,0 00 H z + 0 / – 3 d B one c o ntr o l A C O USTIC P R ESEN C E 1+ 4 d B a t 8 2 H zAC O USTIC P R ESEN C E 2+ 3 d B a t 2 0.5 H z, + 3 d B a t 8 2 H zAC O USTIC P R ESEN C E 3+ 3 d B a t 2 0.5 H z, + 6 d B a t 8 2 H zBASS±8 d B a t 1 00 H zTR EBLE± 8 d B a t 1 0 k H z Sig nal t o n ois e r a tio TA PE: 1 00 d B ( IH F-A ) M utin g –¥ d B Tuner S ectio n Tunin g r a nge F M : 87.9 to 1 07.9 M Hz ( 2 00 k H z s te ps) (U .S . & C anadia n m odels )8 7.5 to 1 08.0 0 M Hz ( 5 0 k H z s te ps) (O th er a re a m odels ) A M : 530 to 1 710 k H z ( 1 0 k H z s te ps) ( U .S . & C anadia n m odels )5 22 to 1 611 k H z ( 9 k H z s te ps) (O th er a re a m odels ) U sa ble s e nsit iv it y F M : Mono 11.2 d B f,1 .0 µ V ( 7 5 o hm s IH F)0.9 µ V ( 7 5 o hm s D IN ) Ste re o 17.2 d B f,2 .0 µ V ( 7 5 o hm s IH F)23.0 µ V ( 7 5 o hm s D IN ) AM : 30 µ V 5 0 d B Q uie tin g s e nsit iv it y F M : Mono 17 .2 d B f, 2 .0 µ V ( 7 5 o h m s) S te re o 37 .2 d B f, 2 0.0 µ V ( 7 5 o hm s) C aptu r e r a tioF M : 2.0 d B Im age r e je ctio n r a tioF M : 40 d B ( U .S . & C anad ia n m odels )8 5 d B ( O th er a re a m ode ls ) A M : 40 d B IF re je ctio n r a tioF M : 90 d B A M : 40 d B S ig nal to n ois e r a tio F M : Mono 73 d B , IH F Ste re o 67 d B , IH F AM : 40 d B S ele ctiv it y F M : 50 d B D IN (± 300 k H z a t 4 0 k H z D evi. ) A M S upp r essio n R atio 5 0 d B H arm onic d is to rtio n F M : Mono 0.2 % S te re o 0.3 % A M : 0.7 % F req uency r e sp onse F M : 30 to 1 5 ,0 00 H z ( ± 1.5 d B ) Ste r eo s e pa ra tio nF M : 45 d B a t 1 ,0 00 H z30 d B a t 1 0 0 to 1 0,0 00 H z Ste r eo th r esh old F M : 17 .2 d B f, 2 .0 µ V ( 7 5 o h m s) G en era l C lo ck p r ecis io nm onth ly e rro r: + /- 3 0 s e co nds (a t 2 5 d egre es C els iu s) P ow er s u pply A C 1 20 V , 6 0 H z AC 2 30 V , 5 0 H z Pow er c o nsu m ptio n 61 W ( 1 20 V , 5 0 H z) 5 4 W ( 2 30 V , 6 0 H z) D im en sio ns ( W X H X D ) 20 5 X 9 1 X 3 02 m m8-1 /1 6" X 3 -9 /1 6" X 1 1-7 /8 " Weig h t 3.4 k g , 7 .5 lb s S pecic a tio n s a n d e xte rn a l a ppe ara n ce a res u b je ct to c h ang e w it h out n otic e a s a re su lto f p ro d uct im pro ve m ent. R -8 05T X
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5. C han gin g t h e A M b an d s te p T he tu nin g s te p s e le cto r s w it c h is n ot p ro vid ed in th is m odel. W hen y o u c h ange th e b and s te p, c h ang e th e p arts a s s h ow n belo w . T o 1 0kH z T o 9 kH z R715 3 .3 k 1 0k R 716 5 .6 k O pen 6. A dju stm en t o f c lo ck f r e q u en cy 1 . C onnect th e fr e quency c o un te r to th e te rm in al T P 701 . 2. P re ss a nd h old d ow n th e M EM ORY b u tto n, th en p re ss th e D IS PLA Y b u tto n.( A ll s e g m ents o n F L tu be lig ht o n) 3. A dju st th e tr im m er c a pa cit o r C 707 s o th at th e r e adin g o f fr e quency c o unte r b eco m es 5 24.2 88 k H z+ /- 1 H z. 4 . M em ory P re serv atio n This u nit d oes n ot re quir e m em ory p re se rv a tio n b atte rie s. A bu ilt - in m em ory p o w er b ack-u p s yste m p re se rv e s th e c o nte nts o f th e m em ory d urin g p o w er f a ilu re s a nd e ve n w hen th e u nit is u nplu gged. T he u nit m ust b e p lu gged in o rd er to c h ar ge th e back-u p s yste m .The m em ory pre se rv a tio n perio d afte r th e unit has been unplu gged v a rie s d ependin g o n c li m ate a nd p la ce m ent o f th e u nit . O n th e a ve ra ge, m em ory co nte nts a re p ro te cte d o ve r a p erio d o f a fe w w eeks a fte r th e la st tim e th e u nit h as b een unplu gged. T his p erio d is s h orte r w hen th e u nit is e xp ose d to a h ig hly h um id c lim ate . 2. T o in it ia liz e t h e u nit T his d evic e e m plo ys a m ic ro pro ce sso r to p erfo rm v a rio us fu nctio ns a nd o pera tio ns. If in te rfe re nce g enera te d b y a n e xte rn al p ow er s u pply , r a dio w ave , o r o th er e le ctr ic a l s o urc e r e su lt s in accid ent w hic h c a use s th e s p ecif ie d o pera tio ns a nd fu nctio ns to o pera te a bnorm all y . T o p erfo rm a r e su lt , p le ase fo llo w th e p ro ce dure b elo w . 1. P re ss a nd h old d ow n th e M EM ORY b u tto n, th en p re ss th e D IS PLA Y b u tto n. 2. P re ss th e S TA N DBY/O N b u tto n. A fte r " c le ar" is d is p la ye d, th e p re se t m em ory a nd e ach m ode s to re d in th e m em ory , s u ch a s s u rro und, a re in it ia liz e d a nd w ill r e tu rn to th e fa cto ry s e ttin g. 3. S afe ty -c h eck o ut (1 20V m odel o nly ) A fte r c o rre ctin g th e o rig in al s e rv ic e p ro ble m , p erfo rm th e fo llo w in g s a fe ty c h eck b efo re r e le asin g th e s e t to th e c u sto m er. C onnect th e in su la tin g-re sis ta nce te ste r b etw een th e p lu g o f p ow er su pply c o rd a nd s cre w o n th e b ack p anel. S pecif ic a tio ns: 3 .3 M ohm +/- 1 0% a t 5 00V. 1 . R ep la cin g t h e f u ses T his s ym bol lo ca te d n ear th e fu se s in dic a te s th at th e fu se u se d is fa st o pera tin g ty p e. F or c o ntin u ed p ro te ctio n a gain st fir e h aza rd , r e pla ce w it h s a m e ty p e fu se . F or fu se r a tin g r e fe r to t h e m ark in g a dja ce nt to th e s ym bol. C e s ym bole in diq ue q ue le fu sib le u tlis e e st a r a pid e. P our u ne p ro te ctio n p erm anente , n 'u ntilis e r q ue fu sib le s d e m em e ty p e. C e d arn ie r e st la q u le p re se nt s ym bol e st a ppse . C IR C UIT N O . P A RT N O . D ESC R IP TIO N F901 F 902 2 52158 2 52083 2 52069 N ote : < D >: 1 20V m odel o nly < P /T >: 2 30V m odel o nly 1 .6 A -U L/T 237, P rim ary < D > 0 .4 A -S E-E AW K, P rim ary < P /T > 0 .8 A -S E-E AK,A C o utle t < P /T > S ER VIC E P R O CED URES R -8 05T X