Onkyo TX-SR602 Service Manual page 27

A
SCHEMATIC DIAGRAM 9
1
P122
1 IRIN
2 +56S
3 GNDCPU
4 12VTRGC
5 GND
6 +12VTRG
9 -12VA
2
8 GNDA
7 +12VA
6 -5VVIDEO
5 GNDV
4 +5VVIDEO
3 SPRLF
2 SPRLSB
1 VMUT
P2005A
14 OSDCLK
13 OSDCS
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
P2004A
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
U2
NADG-8366
1/50
+
C707
EDLC
C704
0.22F
100 R832
+
C703
+
1/50
+
C702
1/50
1M R811
104K C705
C701
1/50 1SS355
R815
D705
+
47K
D704
D711
UDZS5.1B
UDZS13B
R860
10K
C
NADIS-8406 (SCH. 7)
10K
R805
104Z
FLCS 104Z
220
FLSDO
220
FLCLK
220
FLRST
220
10K
220
220
220
10K
10K
CNVSS
10K
10K
RESET
104Z
POFF
R806
10K
1K
R812
R813
1K 104Z
R820
10K
220
VCC
R821
10K
NAAR-8365 (SCH. 1)
TX-SR602/E
D
R837
2.7K
R838
2.7K
R839
2.7K
R840
2.7K
1
C708
2
C709 3
R701
4
R702 5
P95/ANEX0/CLK4
R703
6
P94/DA1/TB4IN Vre
R704
7
P93/DA0/TB3IN Avc
R705 8
P92/TB2IN/SOUT3 P9
R706
9
P91/TB1IN/SIN3 P9
R707 10
P90/TB0IN/CLK3
R708
11
P141
R709
12
P140
R710 13
BYTE
14
CNVss
15
P87/XCIN
R711
16
P86/XCOUT
R712
17
RESET
18
Xout
19
Vss
20
Xin
C710
21
Vcc1
10K R713
22
P85/NMI
220 R714 23
P84/INT2
220 R715
24
P83/INT1
220 R716 25
P82/INT0
R717
220 26
P81/TA4IN/U
220 R718
27
P80/TA4OUT/U
220 R719 28
P77/TA3IN
220 R720
29
P76/TA3OUT
220 R721 30
P75/TA2IN/W
R722
10K 31
P74/TA2OUT/W
10K R723
32
P73/CTS2/RTS2/TA1IN/V
220 R724 33
P72/CLK2/TA1OUT/V
10 R725
34
P71/RXD2/SCL2/TA0IN/T
10 R726 35
P70/TXD2/SDA2/TA0OUT
R727
220 36
P67/TXD1/SDA1
C711
37
Vcc1
R728 38
P66/RXD1/SCL1
R814 10K
R817 10K
R816 10K
R818 10K
R819 10K
R823 10K
R822 10K
R824 10K