Kenwood NXR-800 Service Manual page 157

C767
1000p
14
BEEP_SW
3.3V
R780
IC708
0
U4829FVE
IC708
3
VOLTAGE
DD NC
DETECTOR
2
SUB
1
3.3V
ND VoUT
TAAD_SW
RXAD_SW
R781 100k
R782 100k
R794 100k
R783 100k
R784 100k
CE2A R785 2.7k
R786 100k
R787 100k
R788 100k
CKE
CP807
RAS 100k
RD/WR
RD/CASS
CP808
WE3/DQM3
100k
WE2/DQM2
WE1/DQM1
CP809 100k
WE0/DQM0
R803 100k
R796 100k
CS5
CP810 100k
CS4
CS3
R799 100k
R800 100k
CS1
R801 100k
R802 100k
CS0
3 0.1u
ND GATE
IC710
7SH00FU-F
4
ND oUTY
NA
5
NB VCC
C770 0.1u
BUFFER
IC709
TC7SH126FU-F
3 4
GND oUTY
2
2
INA
1 5
k
G VCC
C785 0.1u
OR GATE
IC712
TC7SH32FU-F
1
5
INB VCC
2
INA
3 4
GND oUTY
D31
C784 0.1u
D30
D29
C772
0.1u D28
D27
D26
D25
OR GATE
C771
0.1u IC713
D24
TC7SH32FU-F
1 5
INB VCC
2
INA
3 4
GND oUTY
R778
0
A13
C816 0.1u
A11
A10
NAND GATE
A9
A8 IC723
TC7SH00FU-F
A7
1 5
INB VCC
A6
2
INA
3 4
GND oUTY
R830
100k
EECS
EESK
EEDo
EEDi
C791 0.1u
OCTAL BUFFER
IC714
TC7MA244FK
1 20
1oE VCC
R821
2 19
1A1 2oE
0 3 18
2Y4 1Y1
R835
4 17
1A2 2A4
5 16
2Y3 1Y2
R833
WE0/DQM0 6 15
2A3
1A3
7 14
2Y2 1Y3
A10
8 13
1A4 2A2
R/B/iREQ 9 12
2Y1 1Y4
10 11
GND 2A1
C795 0.1u
OCTAL BUFFER
IC715
TC7MA244FK
20
1
1oE VCC
A9 19
2
1A1 2oE
18
A05_CF 3
2Y4 1Y1
A8 4 17
1A2 2A4
16
5
A04_CF
2Y3 1Y2
15
A7 6
1A3 2A3
14
A03_CF 7
2Y2 1Y3
13
A6 8
1A4 2A2
12
A02_CF 9
2Y1 1Y4
11
10
GND 2A1
C792 0.1u
OCTAL BUFFER
IC716
TC7MA244FK
1 20
VCC
1oE
WE2/DQM2 19
2
2oE
1A1
18
A01_CF 3 IORD
2Y4 1Y1
17
WE1/DQM1 4
1A2 2A4
16
A00_CF 5 WE_CF
2Y3 1Y2
15
RD/CASS 6
2A3
1A3
7 14
CE2A_CF RD_CF
1Y3
2Y2
CS5 8 13
2A2
1A4
9 12
IOWR CE1A_CF
1Y4
2Y1
11
10
2A1
GND
C790 0.1u
OCTAL BUFFER
IC717
TC7MA245FK
R834
100k
1 20
DIR VCC
D15 2 19
A1 oE
D14 3 18
A2 B1
D13 4 17
A3 B2
D12 5 16
A4 B3
D11 6 15
A5 B4
D10 7 14
A6 B5
D9 8 13
A7 B6
D8 9 12
A8 B7
10 11
GND B8
C793 0.1u
OCTAL BUFFER
IC718
TC7MA245FK
R832
100k
1 20
DIR VCC
2
D7 19
A1 oE
3
D6 18
A2 B1
D5 4
17
A3 B2
D4 5
16
B3
A4
D3 6
15
A5 B4
D2 7
14
A6 B5
D1 8 13
A7 B6
D0 9 12
A8 B7
10 11
GND B8
EEPROM
IC720
AT93C4610SU1.8
1 8
CS VCC
2 7
SK DC
3 6
DI oRG
4 5
Do GND
CONTROL SW
Q706
DTC114EUA
RESET_CF
0
REG
0
WAIT_CF
A10_CF
R/B/iREQ_CF
A09_CF
A5
A08_CF
A4
A07_CF
A3
A06_CF
A2
CD2
A1
A0
CE2A
WE3/DQM3
A10_CF
A09_CF
D15_CF
A08_CF
D14_CF A07_CF
D13_CF
D12_CF
D11_CF
D10_CF
A06_CF
D09_CF
A05_CF
D08_CF
A04_CF
A03_CF
A02_CF
A01_CF
A00_CF
REG
D07_CF
D06_CF
D05_CF
D04_CF
D03_CF
D02_CF
D01_CF
D00_CF
CHASSIS
GND
C802 0.1u
IC721
TC7SH08FU-F
4 3
GND
oUTY
2
INA
5 1
VCC INB
AND GATE
C812
0.1u
C809 0.1u
OR GATE
IC722
TC7SH32FU-F
5
1
INB VCC
2
INA
4
3
GND oUTY
CD1
D11_CF
D03_CF
D12_CF
D04_CF
D13_CF
D05_CF
D14_CF
D06_CF
D15_CF
D07_CF
CE2A_CF
CE1A_CF
IORD
RD_CF
IOWR
WE_CF
R/B/iREQ_CF
RESET_CF
WAIT_CF
D00_CF
D08_CF
D01_CF
D09_CF
D02_CF
D10_CF
J701
26 1
27 2
28 3
29 4
30 5
31 6
32 7
33 8
34 9
35 10
36 11
37 12
38 13
39 14
40 15
41 16
42 17
43 18
44 19
45 20
46 21
47 22
48 23
49 24
50 25