Onkyo TX-8222 Service Manual page 13

A
SCHEMATIC DIAGRAM 3
1
(D)
R719 33K
R720
4.7K
Q603
C609
RN2402
R714
C610
C611
C612
R720*
R674 10K
2
R673 10K
P04/AN04/D4
P03/AN03/D3
Q601
P02/AN02/D2
P01/AN01/D1
P00/AN00/D0 P07/AN07/D7
M30624FGPFP
P107/AN7/KI3 P06/AN06/D6
P106/AN6/KI2 P05/AN05/D5
P105/AN5/KI1
P104/AN4/KI0
P103/AN3
P102/AN2
P101/AN1
3
AVSS
P100/AN0
Vref
AVcc
P97/ADTRG/SIN4
9 10K
0 10K
3
X601
4
6.000MHz
5
P715A
TO DISPLAY(SCH.-2)
B
MICROPROCESSOR SECTION
(P) (A)
Q705
56K 33K
RN2402
33K 56K
AMUT
104Z
0
104Z
Q703
RN1404
104Z
104Z
SYSIN
R653
10K
R652
C606 10K
104Z
50
R650 0
49
48
47
FCE
46
P44/CS0 P50/WRL/WR
R646 0
45
P45/CS1 P51/WRH/BHE
R64547
44
P46/CS2 P52/RD
R64447
43
P47/CS3 P53/BCLK
R643
0
42
P54/HLDA
41 FEPM
P55/HOLD
R642 0
40
P56/ALE
R641 0
39
P57/RDY/CLKOUT
R640 0
38
P60/CTS0/RTS0
R639 47
37
P61/CLK0
R638 220
36
P62/RXD0/SCL0
R637 47
35
P63/TXD0/SDA0
R636 47
34
P64/CTS1/RTS1/CTS0/CLKS1
R635 47
33
P65/CLK1
47
R634
32
P66/RXD1/SCL1
R633
31
P67/TXD1/SDA1
47
R697
47K
R629
10K
R705
2.2K
SPRLA
PLLSDA
PLLCLK
XMRST
XMSRRXD
XMSRTXD
FBUSY
FCLK
FRXD
FTXD
L702
SRRST
R733
022K
1 RESET
10(1W)
2 CNVSS
3 FRXD
C711 104Z
4 FCLK
5 +5VMPU
6 FBUSY 2
G
7 FTXD
8 MPUGND
+
9 APOWER
C712
100/16
D708
1SS355
C
U01
NADG-8876
TU_R
13
TU-GND 12
TU_L 11
TS_GND 10
DIRECT 9
POFF2 8
SEC1H 7
SPRLB 6
SPRLA 5
PROTECT 4
+12VA 3
2
-12VA 1
5.6VM 1
2
RLGND
3
MPUGND 4
5
SELCLK 6
SELDAT 7
+12VS 8
VSWB 9
VSWA 10
AMUT 11
SELSTB 12
VOLOUT2 13
VOLOUT1 14
+12VR 15
16
17
18
19
MPUGND 1
APOWER 2
+10S 3
POFF 4
+12VS 5
RLGND 6
NAETC-8878
MPUGND 1
1
+5VTU 2
2
THERMAL 3
3
TX-8222
D
MPUGND
+5VTU
THERMAL 2
O
U08