Onkyo TX-SR702 Service Manual page 25

A
SCHEMATIC DIAGRAM 9
1
P122
1 IRIN
2 +56S
3 GNDCPU
4 12VTRGC
5 GND
6 +12VTRG
Except 120V and Asutralian models
4 5VCPU
3 232TX
2 232RX
1 GNDCPU
P103A
9 -12VA
2
8 GNDA
7 +12VA
6 -5VVIDEO
5 GNDV
4 +5VVIDEO
3 SPRLF
2 SPRLSB
1 VMUT
P2005A
14 OSDCLK
13 OSDCS
P2004A 12 OSDSDO
11 VSYNC
10 SYNC
9 ISS
8 VDSTB
7 VDSDO
6 VDCLK
5 VIDEORSV
4 VCSCL
3
3 VCSDA
2 GNDPO
1 SW_PO
P6804A
7 SR_PO
6 SL_PO
5 CT_PO
4 SBR_PO
3 SBL_PO
2 FR_PO
1 FL_PO
P701
1 RESET
2 CNVSS
3 232RX
4 FCLK
5 VCC
6 FBUSY
7 232TX
4
8 GNDCPU
P702
1 6 FBUSY
2 7 232RX
3 8 FEPM
4 9 RESET
5 10 232TX
CNVSS
GNDCPU
FCE
FCLK
VCC
5
B
Microprocessor section
1/50
+
C707
EDLC
C704
0.22F
R832
100
+
C703
+
1/50
+
C702
1/50
R811
1M
104K C705
C701
1/50 1SS355
R815
D705
+
47K
D704
D711
UDZS5.1B
UDZS13B
R860
10K
C
U2
NADG-8366
CNVSS
RESET
POFF
R806
10K
1K
R812
R813
1K
R820
10K
R821
10K
NAAR-8365 (SCH. 1)
TX-SR702/E
D
NADIS-8406 (SCH. 7)
R837
2.7K
R838
2.7K
R839
2.7K
R840
2.7K
10K
R805
1
104Z C708 2
104Z C709
FLCS 3
220
R701
FLSDO 4
220
FLCLK R702 5
P95/ANEX0/CLK4
220
R703
FLRST 6
P94/DA1/TB4IN
220
R704 7
P93/DA0/TB3IN
10K R705
8
P92/TB2IN/SOUT3
220
R706
9
P91/TB1IN/SIN3
220
R707 10
P90/TB0IN/CLK3
220
R708
11
P141
10K
R709 12
P140
10K
R710
13
BYTE
14
CNVss
15
P87/XCIN
10K
R711
16
P86/XCOUT
10K
R712 17
RESET
18
Xout
19
Vss
20
Xin
C710
104Z 21
Vcc1
10K R713 22
P85/NMI
R714
220 23
P84/INT2
220 R715
24
P83/INT1
220 R716 25
P82/INT0
220 R717
26
P81/TA4IN/U
220 R718 27
P80/TA4OUT/U
R719
220 28
P77/TA3IN
220 R720
29
P76/TA3OUT
220 R721 30
P75/TA2IN/W
10K R722
31
P74/TA2OUT/W
10K R723 32
P73/CTS2/RTS2/TA1IN/V
R724
220 33
P72/CLK2/TA1OUT/V
10 R725
34
P71/RXD2/SCL2/TA0IN/TB5
10 R726 35
P70/TXD2/SDA2/TA0OUT
220 R727
36
P67/TXD1/SDA1
104Z C711 37
Vcc1
R728
220 38
P66/RXD1/SCL1
VCC
R814 10K
R817 10K
R816 10K
R818 10K
R819 10K
R823 10K
R822 10K
R824 10K
Vref
Avcc
P97/_
P96/A