Appendix 4 (Schematic Diagram X53-414) - Kenwood NXR-700 Service Manual

NXR-700
* R960
X53-4140-XX IC329
-10
* R961
-11 (for Service)
BA33DD0WT
RTH_3
C781
NAND GATE
74AHC1G00GW
4
oUTY
5
VCC
R807
10k
R808
10k
C780
0.01u
C782
12p
L77-1986-05
RXD_D
C783
TXD_D
100k
SRX0_ATX0
STX0_ARX0
C779
SYS_RST
0.01u
R805
726
H08FU-P
10k
IC726
R806
5
VCC
AND GATE
10k
4
oUTY
C767
1000p
CP814
BEEP_SW
3.3V
R780
IC708
0
BU4829FVE
IC708
4 3
VOLTAGE
VDD NC
DETECTOR
2
SUB
5 1
3.3V
GND VoUT
TAAD_SW
RXAD_SW
H

APPENDIX 4 (SCHEMATIC DIAGRAM X53-414)

R960 R961
NO 0 NO
NO 0
Note : The components marked with a dot (•) are parts of layer 1.
0.1u
IC711
3
GND
2
INA
1
INB
R919 0
R902 0
R903 0
R920 0 97
NBE3
98
VDD6
D7 99
CP783 39 D7
D6 100
D6
D5 101
D5
CP784 39
D4 102
D4
103
GND8
D3 104
CP785 39 D3
D2 105
D2
106
D1
CP786 39 D1
D0 107
D0
108
GND9
109
TX25
110
VDD7
111
TXEN100
112
CoL100
113
TXD3
114
TXD2
115
TXD1
116
TXD0
117
GND10
118
RX25
119
CLOCK
CRS100
SHIFT SW
120
VDD8
Q705
121
2SC4738F RXD3
122
C787
RXD2
10p
123
RXD1
124
RXD0
125
RX_DV
126
RX_ER
X702
127
XTAL1
128
XTAL2
12p
R817
C786
820
15p
Q704
2SC4738F
CLOCK
SHIFT SW
L320
EECS
EESK
EEDo
EEDi
C850 47p
C799 0.01u
D18
D19
VDD4
D20
D21
D22
D23
GND4
D24
D25
D26
D27
GND3
D28
D29
D30
IC719
LAN91C111I-NU
D31
LAN IC X25oUT
NRDYRTN
NLDEV
VDD3
NSRDY
LCLK
AEN
NVLBUS
GND2
ARDY
NADS
WNR
NCYCLE
NDATACS
VDD2
C800 0.01u
EEPROM
IC720
R830
AT93C46DN-SH
100k
1 8
CS VCC
2 7
SK DC
3 6
DI oRG
4 5
Do GND
I
39 D18
CP792
D19
C841
47p
64
C805
63
62
0.01u
61
CP793 39 D20
60 D21
59 CP794 39 D22
58 D23
57
56 CP795 39 D24
55 D25
54
CP796 39 D26
53
D27
52
51 CP797 39 D28
50
D29
49 CP798 39 D30
48 D31
47
C842
46
R877 10k
45
47p
C806
44
43
0.01u
42
R878 10k
41 CS1
R884
40
39
0
38 330
R869
37 0
R870
36 R871 10k
C843
35 R872 10k
34 10k
R873
47p
C807
33
0.01u
R886
220
L317
R875
L318
L33-1500-05
24.9
R888
R876 L33-1500-05
220
24.9
J700
14
12
11
8
7
6
5
4
3
2
1
10
9
13