Dsp Assy (1/2) - Pioneer VSX-56TXi Service Manual

1

3.13 DSP ASSY (1/2)

A
D5V
20
D5V
19
*
D5G
18
D5G
17
(D)
IN1
16
GND 15
IN2
14
GND
13
IN3
12
GND
11
IN4
10
GND
9
IN5
B
8
GND
7
IN6
6
(UD)
GND 5
R208 R204
RAB4C104J
OUT1
4
220
GND
3
R209
OUT2
2
220
(UD)
GND
1
CN101
VKN1424 GNDD
C713
YB
GNDD
22
0.01
21 GNDD
IEIT
IEIT
C
IEDO 20
IEDO
IEDI 19
IEDI
IERST
18
IERT
IECLK
17
IECK
POWER
16
IECS
RCMUTE
15
OUT
IEMCK 14
C711
0.01
GNDD
13
GNDD
12 YB
11
D5V
D5V
10
C712
IEBCK
9
0.01
GNDD
8
D
YB
IELCK 7
IFDT
6
ICDT
5
ISDT 4
IBDT
3
2
SPDIF
1
GNDD
CN701
VKN1426
GNDD
GNDD
10
YB
DSCK
9
C715
0.01
GNDD 8
R708
E
DSD1
7
100k
GNDD
DSD2
6
DSD3 5
DSD4
4
DSD5
3
DSD6
2
GNDD
1
CN702
VKN1414
R712
RAB4C104J
GNDD
GNDD
CN102
AKP7176
F
Q 1/2
50
1
2
Q 1/2
DSP ASSY (AWX8489)
V5D1
YB
R902
0
(D)
R247 100
GNDD
R246 100
100
R245
48 47 46 45 44 43 42 41 40
100
R244
1
RX4
2
R243
AVSS
100
3
RX5
4
AVSS
R242
5
RX6
IC201
100 6
AVSS
AK4114VQ
7
RX7
DIR&DIT
8
IIC
9
P/SN
10
XTL0
11
XTL1
12
R241 VIN
220
13 14 15 16 17 18 19 20 21 22
100k
(D)
V3D
V5D1 (UD)
L203
L202
GNDD
QTL1013 QTL1013
C208
0.1/16
YB
CH
CH
YB
GNDD GNDD
(SD)
R724
0
1
SEL VCC
R717
2
1A
ST
R707
100
3
IC701
4A
1B
R715
100
4
4B
TC74VHC157FT
1Y
R716
47
5
2A 4Y
R706 SELECTOR
100
6
2B 3A
R726
100 7
2Y 3B
47 8
V5D2
GND 3Y
R705
4.7k
R719
GNDD
100
R725
100
R773
0
D701
DAP202K
1
Q701
UN5112
R701
RAB4C104J
100k
R590
DSCK
0
D1
D2
D3
R227
D4
D5
100k
D6
R230
100k
100k
GNDD
2
3
GNDD
V3D
(SD)
SDTO
QTL1013 9
L201
LRCK
CH YB
10
R105
MCLK
11
100
BICK
12
RST
13
YB
DIF
14
TTL
15
NC
39 38 37
YB
16
GNDD
36
INT0
ERR
35
CSN
ADRT
CS
34
CCLK
CLK 0.1/25
33
CDTI
DATA
32
CDTO
DRDO
31
PDN
DRRT
30
XTI
29
X201
XTO
R216
(SD)
28
DAUX
100
27
MCKO2
R217
26
BICK
25 47
CH
SDTO
23 24
GNDD
XTL0
GNDD
R224
100
V3D
L701
QTL1013
16
15
14
13
12
11
R210
10 100
9
(SD)
GNDD
R704
100
V3D
3
D702
DAN202K
ERR D1MB
1 2
2 2
1
Q702
3
UN5212
CH
3
ASS7040
IC304
GNDD
(5/6)
R737
100
D1MA
XTL0
V5A
V+15 V5D2 V5D1
V-15
C551
100/16
GND
C902 C901
GNDD
33/25 33/25
M
CN1651
VSX-56TXi
3
4
C113
*
L103
YB
QTL1013
DG
8
VD
L104
7
VA
6
QTL1013
AG
5
IC101
VCOM
4
AK5380VT
YB
NC
3
AD
AINL
2
AINR
1
YB
C107 C108
YF
*
GNDD
ASS7025
24.576MHz
CH
DSPCPU
R851
RAB4C101J
100
FDT
SDT
CDT
BDT
(SD)
R852
R318
LRCK
100
R323 R332 R333
0
0 0
BICK2
BICK
R803
0
MCK
L306
QTL1013
1 8
Vcc
G1
IC305
2 7
TC7WH125FU
A1 G2
3 6
Y2 3STATE Y1
4 5
A2
GND BUFFER
R301
GNDD
100
V3D
L305
QTL1013
IC304
7
(1/6)
3 14
4
7 14
R303 R304 R305
8
R302 9
5
6
47 47
1M 14 22
7
IC304 IC304 (3/6)
(2/6)
7
X301
R451
11 14 10
47
(4/6)
IC304
CH
GNDD
33MHz
R320
0
V3D
GNDA
4
V5A
L101
QTL1013
C111
L102
10/16
QTL1013
C112
10/16
YB
SCK
(F)
(S)
(C)
(SB)
C352 0.1/16
C330
YB
R344 470p
(SD)
100
R306
0
47
R308
100
V3D
C329
470p
CH
C326
470p
CH
R316
47k
C335
470p
CH
R334
0
GNDD
R355
0
7
IC304 (6/6) R317
1 14
2
220
R342
4.7k
R431
10k
R343
10k
GNDD