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5
2
4
6
8
10
1
3
5
7
9
11
EXPVDT
EXPVCK
RDS_SW
RDSDT
TUNERDI
RDSCK
TUNERDO
OLDETO
TUNERCE
TUNERCK
TC9274F DT1
TC9274F CLK1
TC9274F ST1
MRMUTE
AMUTE
IC501
AC RY
PEG040A8
GND
DCDET
Main Control
5V
U-com.
DOWN MIX
FURNITURE
DSPHREQ2
DSPHREQ1
EVR DT2
EVR CLK2
EVR CS2
M62429 CLK3
M62429 DT3
R527
R528
100k
100k
GNDU
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
Z
CN2413
5
6
S
CN3006
12
14
16
18
20
22
24
26
13
15
17
19
21
23
25
27
C599
0.047
2
11
16
U+5V
14
19
DT1
20
CK1
26
ST1
MRMU
AMU
DCDET
DMIX
FURN
TXD232C
TXD
R565
47
DT2
R566
47
CK2
R567
47
ST2
MR-CK
MR-DT
RXD
Buffer
TP34
19
18
VSX-9300TX
6
7
J
3/3F
32
28
30
29
31
(TX)
Level Shift
3.3V -> 5V
3-5
1394DO
D-MUTE
U+5V
SR+
STBY
R517
47k
UARTSW
Q502
232C / SR+
DTC143EUA
R515
GNDU
100
U+5V
GNDU
7
8
MAIN CONTROL ASSY
(AWX8522)
: AUDIO SIGNAL ROUTE (TUNER Lch)
: Additional parts
14_3
19_3
CN351
GNDU
20_3
XKP3074
26_3
GND
1394CS
1394CK
1394RST
1394DI
23_3
1394DO
26_3
1394INT
23_3
CN302
2_3
11_3
XKP3081
GNDU
16_3
15
DIR RST
12
DIR CS
11_3
DIR DTO
R314
100
13
DIR+DAC CLK
R315
10
DIR+DAC DTI
14_3
100
DIR ERR
17
DAC+ADC RST
4
DSP1 RST
19_3
DSPHREQ1
R320
220
6
DSP1 CS
8
DSP MODE1
R322
220
1
DSP DI
3
DSP CLK
2_3
R323
220
DSP DO
20_3
DSPHREQ2
5
DSP2 RST
R327
220
7
DSP2 CS
9
DSP MODE2
16_3
D-MUTE
18
MUTE
DSDM
CN552
52045-1045
VSS
232CTXD
T-RXD(31)
232CCTS
T-BUSY(34)
(T-Vpp)
U+5V
T-Vdd
CLK
T-SCLK(33)
232CRXD
T-TXD(32)
CMVSS
T-PGM(9)
XRESET
T-RST(12)
VSS
GNDU
J
3/3F
8
A
B
C
D
E
F
5
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