Pioneer VSX-1018AH-K Service Manual page 35

5
DSP Block Diagram
I2S MCLK
I2S DATA (2ch)
I2S DATA (Compression Include(dts HD High Resolution Audio, dts HD LBR, Dolby Digital Plus) or 2ch(under 48KHz for HDMI))
I2S or DSD DATA (from HDMI "dts HD Master Audio" "Dolby TrueHD" "SACD" "LPCM Multi" "PCM over 88.2KHz or LPCM")
I2S LRCK, BCK
Control/Memory Bus Line,etc
Analog Audio Signal
SPDIF,Operation Clock,etc
CN601
Analog in(L/R)
21,23
SPDIF out(1)
OPT Jack on-board
JA105
COAX in(2)
JA101
OPT Jack 3 on-board
JA102 SPDIF in
JA103
CN801
3
USB Analog
2ch OUT
DAC
IC681
CN704
CN601
AK4388ET
for 2nd zone
13
19,20
18
22
15-18
74VHC125
HDMI in
IC205
CN703
30,28
29
26
HDMI out (Basic Audio)
USB
Block
(SANYO)
A2-BAF30405
(5/5)
5
6
ADC 2ch DAC
DAC
DAC
DAC
IC591 IC601-IC661
WM8728
WM8728
AK5358AET WM8728×4
WM8728
× 4
× 4
× 4
DIR
IC101
AK4114VQ IC503
74VHCU04
SW
IC203
74LCX157
747SH32FU
IC751
SW
IC202
74VHC157
VSX-LX51
6
7
V1D(1.0V)
IC704
BD9107FVM
V3D(3.3V)
Analog 8ch OUT
24.576MHz
Buffer
IC501
74LCX08
MCLK LR/BCKO
DTO
LR/BCKI
SDI0_1 DSP
MCLK IC401
DSPA56720AG
SDI1_1~SDI3_1
SDI0~SDI1
FLASH SDRAM
ROM IC301
IC302 64Mbit
(4bank*1M
AYW7247 *16bit)
IC401
Pin No. SACD Signal Other Signal
85 Data(C) -
86 Data(SW) -
97 Data(FL) Data(FL,FR)
98 Data(FR) Data(SL,SR)
99 Data(SL) Data(C,SW)
100 Data(SR) Data(SBL,SBR)
7
8
A
B
V5A CN704
3
V5D
IC705
PQ1LAX95MSPQ
8,9
C
CN601
CN703
Control in
Control out
D
CN704
V5DU
10
E
F
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