Onkyo A-8500 Service Manual

BLOCK DIAGRAM
INPUT SELECTOR
Daas Ve pe pes tee ee eg er ey a ran |
° +B5
JON OFF VOLUME
_
RELAY
| $304 TONE POWER AMP.
| ee ———o Reh -———o"T 0-1,
|
ma
|
Ve
}
:
PHONES
* o | « *
cO—
2
ee
aa
RIRECT
ee
a
RL853
(AR)
OFF
o
PSS!
$303
|
l
;
|
|
|
PROTECTOR
a
ate
.
|
>
0
|
:
SERVO
CIRCUIT
Nas
Pe
|
1
seen
TUNER
TUNER
|
CIRCUIT
Q
asi
e852
A+B
|
|
$302
|
OFF
os
Se5\
| | ao SERVO IND +B5 |
EQUALIZER
AMP.
|
|
,
SOURCE
DIRECT
—~
ac
7
0
Bae
|
|
$353
Des!
,
N
PHONO © | POWER IND 8
S 301 Ci) (oi :
= Sa atta ecset | | Tee 6) Na) A+B
CARTRIDGE
|
|
O9it
=
O9l2
RELAY
SELECTOR
|
i
Oa
j ore
| | RLBS\
|
SPEAKERS
| TONE; MuUTING BALANCE RELAY
REC SELECTOR TONE oe © s
REC
©
S.
'
ae
CONTROL
ee
a> RL 852
~
TAPE-2 $352 Rech
TREBLE BASS
PLAY © TAPE-2
ea CON ST.
SOURCE
OF
F
|
(18V)
VOLTAGE
I
DAT PTI, T2 TRANSFORMER
Tl g@DAT,T2
( A+ CONST. NPT -i039
REC © @ @ sme say
ay ar ' (-18V) VOLTAGE
TAPE-
|
7
Ilo
093!
+B5
PLAY
©
ins
CONST.
|
(22V)
VOLTAGE
pe2I~D924
|
@901.Q903
CA
+81
AC
rec
©
eel
(50V}
INPUT
SY
-@l
saa
(-
50V)
PLAY
©
CONST.
VOLTAGE
+B5 (— 22V)
-B3
Q902 03904

Onkyo A-8500 Specifications

General

Brand	Onkyo
Model	A-8500
Category	Amplifier
Language	English