Pioneer VSX-56TXi Service Manual page 51

5
(use R747 cell)
R101 C747
1k
0.01
R749
R102
0 YB
1k
GNDA
YB
GNDD
JTAG
R324
47k
C302
470p
CH
144 143142 141 140 139138 137 136 135 134 133132131
1
SS 2
3
HREQ
(F)
4
SDO0
(S)
5
SDO1
(C)
6
SDO2
(SB)
7
SDO3
8
VCCS
CH
9
GNDS (SD)
R340
10
SDI1
0
11
SDI0
12
FST
13
FSR
14
SCKT
R307
15
SCKR
100
16
HCKT
17
HCKR
18
VCCQL
19
GNDQ
20
VCCQH
21
HDS
22
HRW
23
HACK
R315
24
HOREQ
4.7k 25
VCCS
26
GNDS
27
ADO
28
R330
ACI
10k
29
TIO0
30
HCS
R329
31
HA9
4.7k
32
HA8
33
HAS
34
HAD7
35
HAD6
36
HAD5
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
C323
0.056/16
YB
*
CH
470p
CH YB
CH
1/6.3
R311 YB
100
5
6
V31
C334
YB
0.1/16
IC61LV6416-12T
C310
0.1/16
YB 0.1/16 YB C333
C345
C304 C346
470p
470p
470p 470p
CH
CH
CH CH
130 129128 127126125124123122121 120 119 118 117 116 115114
IC301
DSPC56367PV150
DSP1
57 58 59 60 61 62 63 64 65 66 67 68
*
C319 C322 C315 C318
470p 470p 0.1/16 470p
CH CH YB CH
VSX-56TXi
6
7
V3D ATL7002
L302 L303
ATL7002
C341
47/6.3
IC303
IC63LV1024-12T
GNDD
1
A0
2
A1
SRAM
3
A2
SRAM
C313 4
A3
0.1/16
5
AA2
CS
6
D7
I/O 01
YB
7
C332 D6
I/O 02
8
VCC
470p
9
GND
CH
10
D4
I/O 03
11
D5
I/O 04
12
WR WE
13
A4
14
A5
15
A6
113112111 110109
16
D6
A7
108
107
D5
C305
106
D4
0.1/16
105
D3
YB
104
GNDD
103
VCCD
V1R8
102
C306
D2
470p
101
D1
CH
L304
100
D0
99
ATL7002
A17
98
C324
A16
97
0.1/16
A15
96 YB
GNDA
C941
95
VCCQH 0.01
94
C308
A14
470p
93
A13
CH
92
A12 C309 C942
*
91
VCCQL
90
GNDQ
470p
89
A11 CH C943
*
88
A10
C312 C944
87 *
GNDA
86
VCCA
85
470p
A9
GNDA GNDD
CH
84
A8
R978
83
A7
82 0
A6
81 C314
GNDA
GNDA
80
VCCA
79
470p WR
A5
CH
78
A4
RD
77
C311
A3
0.1/16
76
A2
*
75 1
YB
GNDA
74 2
VCCA
73 3
C316
A1
470p 4
69 70 71 72 CH
GNDD
SRAM
GNDD
: AUDIO SIGNAL ROUTE (Lch)
(F)
: AUDIO SIGNAL ROUTE (FRONT Lch)
(S)
: AUDIO SIGNAL ROUTE (SURROUND Lch)
(SB)
: AUDIO SIGNAL ROUTE (SURROUND BACK Lch)
(C)
: AUDIO SIGNAL ROUTE (CENTER ch)
(SD)
: SURROUND DATA SIGNAL ROUTE
(D)
: AUDIO SIGNAL ROUTE (DIGITAL)
(UD)
: AUDIO SIGNAL ROUTE (USB DIGITAL)
7
8
AINL
Q
GND
AINR
Q 2/2
DSP2
32
A16
31
A15
(S) (F)
30
A14
(SB) (C)
29
A13
28
RD
OE
27
D0
I/O 08
26
D3
I/O 07
C331
25
GND
24
VCC
23
D2
0.1/16
I/O 06
YB
22
D1
I/O 05
GNDD
21
A12
20
A11
19
A10
18
A9
17
A8
V3D
V5D1
IC901
NJM2391DL1-33
IN OUT
1 3
2
YB
GNDD
V1R8
V5D1
IC902
NJU7223DL1-18
IN OUT
2 1
3
YB
KN931
GNDD
VNF1109
C923
*
* C932
* C924
* C925 0.047/16
C926
R926
YB
* R932 1.0
GND GNDA
YB
R927
C927
GNDD 1.0
R335 1000p
CHASSIS
0
V31
*
IC306
8
TC7WH08FU
7
6
*
5
R345
*
GNDD
0
XTLO
Q 2/2
EXTL
DVD-A
DSD
DAC
MUTE
DSPCPU
Q
8
A
2/2
B
C
D
E
Q 2/2
F
1/2
51