Pioneer VSX-33 Service Manual page 10

1
2. SCHEMATIC DIAGRAM
2.1 AUDIO ASSY
A
B
A-a
1/3 F
C
2.2 DAC LOW ASSY
C
1/2 F
D
BKP1127-A
*JA2101
(NC)
SIRIUS_RST
SIRIUS_TX
GND
SIRIUS_R
SIRIUS_RX
GNDA
SIRIUS_L
GNDCH
GNDCH
GNDCH
E
F
C
1/2 F
10
1
2
AUDIO ASSY (1/3)
A
1/3 F
(AWX9646)
DAC LOW ASSY (1/2)
(AWX9566)
YB
GNDSID 0.01u/50
1
*C2126
2
SIXRST
3
SITX
4
SIRX
5
0
6
*R2135
7
8
0.1u/16
RT1
C2122
RT2
0
RT3
*R2133
GNDSI1
YB
0.01u/50
*C2124
0
*R2134
GNDSIA
1SS302
*D2130
GNDCH
GNDD
2
3
22u/50
330
*R2143
*C2128
0
R2136
22u/50
330
*R2142
*C2127
V+3R3_D V+3R3_DF
R2051
0
R2052 NM
REGULATOR 3.3V
0
VOUT NB
VSX-33
3
4
A-a
A_SIRIUS_R A_SIRIUS_R
C
2/2
GNDSI3
A_SIRIUS_L
A_SIRIUS_L
*R2130
0
*R2131
0
*R2132
0
R2
R2
0.01u/50
R2
C2251
R2
0.01u/50
V+3R3_
C2252
C
4
1/3 F
1/2 F