Pioneer SC-71 Service Manual page 15

5
K DIAGRAM FOR DIGITAL MAIN AUDIO BLOCK"
IC5506(FL,FR)
IC5504(C,SW)
IC5505(SL,SR)
IC5503(SBL/FHL/FWL,SBR/FHR/FWR)
SW DownMix
IC2701, IC2702
ZONE2
5
6
IC****
ZONE2 DAC
LPF
IC6704
ZONE2
Volume
HEADPHONE AMP
IC2801
<<POWER AMP
O
INPUT BUFFER>>
IC6803,
IC6804
IC6807
IC6801,
IC6802
IC6805,
IC6806
N
IR BUFFER_SS ASSY
SW PRE Amp
IC2751
SW PRE Amp
IC2751
6
7
IC5502
(ZONE2)
<<AUDIO ZONE OUT>>
ZONE2 OUT
JA2501
I
MIC HP ASSY
JA3476
D-AMP_SS ASSY
<<POWER AMP>>
JA4101
JA4101
JA4301
SP FH
JA5101
JA4501
RY4500,RY5000
<<PREOUT>
PREOUT L/R
JA2502
PREOUT SW1
JA3102
PREOUT SW2
JA3102
SC-71
7
8
HP
SP L/R
SP C
SP SL/SR
. .
FWL/FH FWR
SP SBL/SBR
8
A
B
C
D
E
F
15