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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 .
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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 5Ëšc
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
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2
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S P EC IF IC A TIO N
