Onkyo A-8500

IC BLOCK DIAGRAM
TA7317P
(Protective
circuit)
fp--------------
-”
:
POWER ON -OFF CIRCUIT CIRCUIT |
DETECTION
CIRCUIT
!
SHUMITT RELAY A
OR CIRCUIT CIRCUIT: DRIVE
|
j
|
|
|
|
I
—l
OVER CURRENT
DETECTION CIRCUIT
CIRCUIT
¢ DIRECT
VOLTAGE
DETECTION
IRCUIT
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.
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P
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Bas
veces
(UI
date!
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Bac
dick
samme
-500
7 8) 9) 1 i] 12 13 14
8. Headphone jack (PHONES)
1. Power switch (POWER)
2. Servo operation indicator (SERVO OPERATION) 9. Bass control (BASS)
, , 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 selector switch (REC SELECTOR)
6.
Input
selector
and
Indicators
(INPUT
SELECTOR)
TAPE-I-DAT
&
TAPE-2/DAT-—-=TAPE-1
&
2
PHONO, TUNER, CD-2, CD-1, SOURCE,
| OFF
eo
FAPE-UVIDEO,
DAT
SOURCE
(PHONO,
TUNER,
CD-1
or
CD-2)
7.
Speaker
selector
switch
(SPEAKERS)
14.
C
d
‘tch
(CARTRIDGE
OFF.
A.
B.
A+B
.
Cartridge
selector
switch
(
)
MC SUBSONIC, MC, MM, MM SUBSONIC