Onkyo ht-r540 Service Manual page 75

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IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-20
Q5501 : R2S15211FP (8 ch Electronic Volume and 11 Input Selector and Tone Control)-1/3
SYSTEM BLOCK DIAGRAM
1
2
3
4
Lch
5
6
7
8
9
10
11
mono
1
2
3
4
5
6
Rch
7
8
9
10
TE
L 13942296513
11
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Multi Multi
SUB
REC
Rin
Input
ATT
Input
ATT
SUB
REC
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2 9
8
Rch Tone Lch Tone
Lin
Tone
Volume
Bass &
Treble Treble
Volume
Bass &
Treble
Multi
Out L
SBLin
for
ADC
Multi
SBRin
Multi
Cin
Multi
Out R
SWin
for
Q Q
ADC
3 6 7 1 3
Multi
SLin
Multi
SRin
AGND
.
TX-SR504/504E/8450
9 4 2 8
CLOCK DATA
MCU I/F
Volume
Volume
Volume
Volume
Volume
Volume
Volume
Volume
1 5 0 5 8 2 9 9 4
Volume
Volume
AVCC
AVEE
m
co
9 9
Lout
Rout
SBLout
SBRout
Cout
SWout
2 8 9 9
SLout
SRout