Onkyo TX-NR906 Service Manual page 69

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -1
Q4204: R2S15211FP (8 ch Electronic Volume, 11 Input Selector and Tone Control)
SYSTEM BLOCK DIAGRAM
REC
1
2
3
4
Lch
5
6
7
8
9
10
11
mono
1
2
3
4
5
6
Rch
7
8
9
10
11
REC
Multi Multi
SUB
Rin Lin
Volu me
Volu me
Input
Out L
ATT
for
ADC
Input
Out R
ATT
for
ADC
SUB
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Rch Tone Lch Tone
Tone
Volu me
Bass&
Treble
Volu me
Bass&
Treble
Volu me
Multi
SBLin
Volu me
Multi
SBRin
Multi
Cin
Multi
SWin
Multi
SLin
Multi
SRin
AGND
TX-NR906/NA906
CLOCK DAT A
MCU I/F
Lout
Rout
Volu me
SBLout
Volu me
SBRout
Volu me
Cout
Volu me
SWout
Volu me
SLout
Volu me
SRout
AVE E AVCC