Onkyo TX-8522 Service Manual page 13

A
SCHEMATIC DIAGRAM 3
NADG-8876
1
C716
101J
R850
10K
C717
3.3/50
13 (VX)
12
11
C718 100/16
10
(VR)
9 TUR
R722
8
7 TUL 47K
6 R721
47K
5 +9V_TU
4
3
2
2
1
P704A
C728
C719
P708
104Z
104Z
3
P707
2
RI
1
R709
100
P706 23
22
IRIN
21
3
3
2
IROUT
1
11 SIRIUSRX
10 SIRIUSTX
9 SRRST
8
7 XMCOMSEL
6 XMREQERR
5
4
3
2
1 +5V_XM
7 SR_R_OUT
6 SR_L_OUT
5 GND_A
4
4 XM_R_OUT
3 XM_L_OUT
2 +12V
1 -12V
5
B
MICROPROCESSOR SECTION
U01
RDSSIG
RDSDAT
J701
J702
TUNED
STEREO
PLLSDA
PLLCLK
SYSIN
IRIN
IROUT
XMDACRST
XMSRTXD
XMSRRXD
XMRST
TS_GND
47K
R725 47K
47K
R726 47K
+
+
C725
C724
100/16 100/16
1 16
0Y Vcc
2 15
2Y 2X
3 14
Y_COM 1X
4 13
3Y X_COM
5 12
R727
1Y 0X
6 11
INH 3X
220 TUXMSELA
7 10
Vee A
8 9
GND B
Q712
TC74HC4052AF
North American
model only
C714
10/50
+
1
G
+
C715
100/16
R723
R724
C
D703
1SS355
D702
1SS355
D713
Q701
D701
S-812C56
L701
1SS355
AUA-C3K
470M
2 3
I O
C704
DX-5R5L224
TUXMSELB
LEDZONE2
LEDPURE
LEDSTBY R679
FLDSDO R680
FLDCLK R681
FLDCS R682
FLDRST R683
KEYINT3 R684
KEYINT2 R685
KEYINT1 R686
KEYINT0 R687
KEY3 R688
KEY2 R690
KEY1 R692
KEY0
+
C623
4.7/50 Q602
RN1404
TX-8522
D
Q6
R
+5VCPU
+5VTU
+5VMPU
R674
10K
R673
10K
81
82
83
47
84
P04/AN04/D4
47
85
P03/AN03/D3
47
86
P02/AN02/D2
47
87
P01/AN01/D1
47
88
P00/AN00/D0 P
4.7K
89
P107/AN7/KI3 P
4.7K
90
P106/AN6/KI2 P
4.7K
91
P105/AN5/KI1
4.7K
92
P104/AN4/KI0
4.7K
93
P103/AN3
4.7K
94
P102/AN2
4.7K
95
P101/AN1
96
AVSS
R694
97
P100/AN0
4.7K
98
Vref
C621
99
AVcc
104Z
100
P97/ADTRG/SIN4
R609
10K
R610
10K
R613
1M