Pioneer VSX-84TXSi Service Manual page 247

5
DSP Assy Check Points
M
DSP ASSY
UP
Side
GND
y
GND
SS_2
3.3V
x
RST2
REQ2
BUS2
MTMD
h
GND
C494
LCKO
GND R414
g
SCKO
GND
DT0O
DT1O
DT2O
DT3O
DT4O
DT5O
DT6O
GND
SPS3 R446
RST3
REQ3
GND
5V
5V
R410
A
5V
C752
M
R409
R408
1
GND
10
N
R
20
11
R431 C479
R430
R435
R429
48
CN401
1
DSP Ass'y
5
6
SIDE B
R625 C611
C222 C210 C220
R624 R618
A
C221 C209 C219 R619
R623
IC752
R610
C753
R611
C758
C754
C607
C608
R637
R636
R644 R643
C614
C615
R635
R634
C620
R638
R641
C621
R236
R422
C469
R411 R239
R423
A
R421 R424
80
R201
R444
R416
R445
R432
R404 R403 R443
R426
R402
R425
21
R427 C215
C216 C203
GND
C204
IC402 R219
1
GND
10 R218 R639
R245
R244
C207 C208
C228
20
11
R212
R434 R433 C205 C206
C217 C218
R503 R110 R107
C478
IC407
1
25 32 L201
AWX8599
AWX8600
17
24
AWX
HEATPROOF 1.25V
REFLOW
PRE-FLUX
O F
VSX-74TXVi
6
7
T f c e d J Y
C602
C604 R
E88558(S)
R614 C603
R606
IC601
IC352
R605
3
1
4 5
R617
C365
R616
3 1 1.2V
R615
C609
C356
C610
R119
5
4
R118
R113
R224
R160
R161
R111
R640
R243
61
R504
R115
R502
R104
R103
R109 R108
40
C223
C224
IC103
1 IC102
10
10
1 7
CN201
R206
11 20 R133 R132
C179
C178
48
25
C229
16
24
1
First
GND
Side (B)
G L P E D
7
8
K
ICT FC a
3.3V
W
R354
C355
D351
C
R355
L102
m
R120
3.3V
R153
L107
R121
s
C169
GND
R122 R147 Z
LCKI
R123
GND
SCKI
R145
G
R148
b
R124 DT0I
DT1I
DT2I
R144
DT3I
R146
DT4I U
R142
G
R141
MCKI
R143
GND
C187
p
GND
DAXO
C188
SPCK
R156
C354
SPS1
R157 MISO
t
MOSI
RST1
1 R154
REQ1
o
ROWE
GND CKON
DS_2
GND
GND
20
B
C353
IC501
u
1
32
v
s
H
17
LF
n
8
A
B
q
X
V
r
w
k
C
Q
D
E
F
201