Onkyo TX-SA806 Service Manual page 119

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -62
Q5502: M61540FP (6 ch Electronic Volume, 5 Input Selector and Tone Control)
SYSTEM BLOCK DIAGRAM
1
L ch
2
3
1
R ch 2
3
DGND
REC OUT
Multi Multi
R in L in
(4) (5)
Input
ATT
Out L
for
ADC
SW in
Input
ATT
Out R
for
ADC
(4) (5)
REC OUT
Lch Tone Rch Tone
Tone
Volume
Bass &
Treble
Volume
Bass &
Treble
Volume
Multi
C in
Volume
Multi
Volume
Multi
SL in
Volume
Multi
SR in
DGND
GND
VOL
TX-SR806/SA806
CLOCK DATA
MCU I/F
Gain Control
L out
Gain Control
R out
Gain Control
C out
Gain Control
SW out
Gain Control
SL out
Gain Control
SR out
AVEE AVCC
DVDD