Dsp & Usb Assy (2/4) - Pioneer VSX-918V-K Service Manual

1
10.5 DSP & USB ASSY (2/4)
DSP & USB ASSY
B
2/4
(VSX-818V:AWX9164)
A
IC202
TC7WH125FU
1
R232 G1
47
2
A1
3
Y2
R233
4
47
GND
B
0.1u/10
GNDD
B
1/4
DA
C
FDTI
R202
BDTO
CDTO
SDTO
FDTO
100
D
E
F
B 2/4
72
1
2
V3D
V3D8
TP206
8
VCC
7
G2
R235
6 47
Y1
5
A2
R234
47
C231
NM
C232
B 1/4
MCK1
C228
0.1u/10
C227
NM
47
R201
1
2
3
4
5
SDO4_SDI1_PC7
6 IO_GND_1
SDO1_PC10 IO_VDD_1
7
SDO3_SDI2_PC8
SDO0_PC11
SDO2_SDI3_PC9
8
CORE_VDD_1
9
PF8
R204
10
PF6
47k 11
PF7
12
CORE_GND_1
13
PF2
14
PF3
15
PF4
16
PF5 IO_GND_2
17
IO_VDD_2
18
PF1
19
PF0
20
C207
NM
C208
0.1u/10
CN201
NM
2
3
V3D
V1R2
V12
TP203
TP204
C226 C224
0.1u/10 0.1u/10
C225 C223
470p/50 NM
60
59
58
57
SDO3_SDI2_PE
56
FST_PE4
SDO2_SDI3_PE
SDO5_SDI0_PE 55
SDO1_PE10
SDO4_SDI1_PE
54
SDO0_PE11
53
CORE_GND_3
52
CORE_VDD_3
51
DSP MODA_IRQA
50
IC201
MODB_IRQB
DSPC56371AF180
49
MODC_IRQC
48
MODD_IRQD
47
RESET_B
46
PLLD_GND
PINIT_NMI
PLLP_GND
45
PLLP_VDD EXTAL
44
PLLD_VDD
43
42
41
C214
C209
470p/50
C215
470p/50
C210
0.1u/10
0.1u/10
IC262
5
4
VSX-918V-K
3
4
V3D
V3D9
GNDD
C252
0.1u/10
C251
NM
IC251
PDC172A8
1
R251
CS#
47
2
SO
3
WP#
R253
4
VSS
10k
R254
R255
R256
10k
R221
R222
47k V3D
NM
Q201
RT1N241M
R219
0
R218
NM
R216
100
OSC1
R217
NM
TP265
IC261 (2/3) IC261
TC7WHU04FU TC7WHU04FU
V3D
VCC VCC
V3DB
Y Y
A
GND GND
L261
TP261
TP262
QTL1013-A
R213
10k
C261
IC261
C211
470p/50
NM (3/3)
TC7WHU04FU
C212
CH
NM
VCC
XSS3003-A
C213 Y
24.576MHz
C262
V3D
NM A
GND
R214
0.1u/10
NM
R215
C263
NM
V3DC
NM
NM
GNDD
B
1
1/4
OSC2
2
3
GNDD
4
V3D
V3DA
TP256
8
VDD
7
HOLD#
6
SCK
5
SI
NM
10k
R257
10k
DECMUT3
DSPMOD
DSPRST
(1/3)
A
R263
1M
X261