Kenwood NXR-800 Service Manual Supplement page 131

* R960
IC329 R960
0-10 – 0
* R961
0-11
BA33DD0WT –
for service
C781 0.1u
NAND GATE
IC711
TC7SH00FU-F
4
oUTY GND
INA
5
VCC INB
D7
CP783
D6
D5
CP784
D4
D3
CP785
D2
D1
CP786
D0
R807
10k
R808
10k
C780
CLOCK
SHIFT SW
0.01u
2SC4738(GR)F
C782
12p
X702
L77-1986-05
RXD_D
C783 10p
TXD_D
k
SRX0_ATX0
STX0_ARX0
C779 2SC4738(GR)F
SYS_RST
CLOCK
0.01u
SHIFT SW
R805
10k
IC726
R806
5
AND GATE
10k
4
L320
C767
1000p
4
BEEP_SW
3.3V
R780
IC708
0
4829FVE
IC708
3 VOLTAGE
D NC
DETECTOR
2
SUB
1
3.3V
D VoUT
TAAD_SW
H
R961
–
0
Note : The components marked with a dot (•) are parts of layer 1.
3
2
1
R919 0
R902 0
R903 0
R920 0 97
NBE3
98
VDD6
99
39 D7
100
D6
101
D5
39
102
D4
103
GND8
104
39 D3
105
D2
106
39 D1
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
CRS100
120
VDD8
Q705
121
RXD3
122
C787
RXD2
10p
123
RXD1
124
RXD0
125
RX_DV
126
RX_ER
127
XTAL1
128
XTAL2
R817
C786
820
15p
Q704
EECS
EESK
EEDo
EEDi
C850 47p
C799 0.01u
D18
D19
VDD4
D20
D21
D22
D23
GND4
D24
D25
D26
D27
GND3
D28
D29
IC719 D30
LAN91C111I-NU
D31
X25oUT
LAN IC
NRDYRTN
NLDEV
VDD3
NSRDY
LCLK
AEN
NVLBUS
GND2
ARDY
NADS
WNR
NCYCLE
NDATACS
VDD2
R954 0
R955 0
R956 0
R957 0
C800 0.01u
EEPROM
IC720
R830
AT93C4610SU1.8
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
R869 330
37 0
R870
36 R871 10k
C843
35 10k
R872
34 R873 10k
47p
C807
33
0.01u
R886
220
L317
R875
L318
L33-1500-05
24.9
R888
R876 L33-1500-05
220
24.9
CHASSIS
GND
J700
14
12
11
8
7
6
5
4
3
2
1
10
9
13