Ic Block Diagram - Onkyo A-8500 Service Manual

IC BLOCK DIAGRAM
-"
:
POWER ON -OFF CIRCUIT CIRCUIT |
DETECTION
CIRCUIT
!
SHUMITT RELAY A
OR CIRCUIT CIRCUIT: DRIVE
|
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|
|
|
|
I
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OVER CURRENT
DETECTION CIRCUIT
CIRCUIT
¢ DIRECT
VOLTAGE
DETECTION
IRCUIT
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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)
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