Onkyo A-8650 Service Manual

A-8650
IC BLOCK DIAGRAM
TA7317P (Protective circuit) p~---—--—-—-—---~----©----—------©---------
|
MUTING REGULATOR
CIRCUIT CIRCUIT
RELAY
|
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| DETECTION : oa | | CIRCUIT |
[CIRCUIT |
|
)
DISCHARGE SUB
A CIRCUIT STRAIGHT
POWER ON-OFF
DETECTION
CIRCUIT
O- ----~--1
+ DIRECT
VOLTAGE
DETECTION
IRCUIT
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FRONT PANEL CEN
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|
8.
Headphone
jack
(PHONES)
1.
Power
switch
(POWER)
9.
Bass
control
(BASS)
2.
Servo
operation
indicator
(SERVO
OPERATION)
10.
Treble
control
(TREBLE)
3.
Muting
switch
(MUTING)
11.
Balance
control
(BALANCE)
4.
Mode
selector
switch
(MODE)
12.
Source
direct
switch
(SOURCE
DIRECT)
STEREO,
MONO
TONE,
DIRECT
5.
Volume
control
(VOLUME)
13.
Recording
source
scicctor
switch
(REC
SELECT
OR)
6.
Input
selector
and
Indicators
(INPUT
SELECTOR)
TAPE-1~DAT
&
TAPE-2/DAT—>TAPE-1
&
2
PHONO,
TUNER,
CD-2,
CD-1,
SOURCE,
OFF
TAPE-2,
TAPE-1/VIDEO,
DAT
SOURCE
(PHONO,
TUNER,
CD-1
or
CD-2)
7. Speaker selector switch (SPEAKERS) 14
.
Cartridge
selector
switch
(CARTRIDGE)
OFF,
A,
B,
A+B
MC
SUBSONIC,
MC,
MM,
MM
SUBSONIC

Onkyo A-8650 Specifications

General

Brand	Onkyo
Model	A-8650
Category	Amplifier
Language	English