Kenwood NXR-800 Service Manual page 146

5.0V
.3V
A A A A
IC6
XC6209B332PR
VOLTAGE REGULATOR
Q14,15
DC/DC CONVERTER
Q14
2SC4116(Y)F
R432 47
C413 0.1u
Q15
2SA1586(Y)F
IC10
NJM2340RB1
R90
5 4
oUT GND
R96
6 3
15k
CT FB
R81
7 2 22k
VREF IN2
4
56k 8 1
V+ IN1
DC/DC
CONVERTER
CONTROL
5
DC/DC CONVERTER
Q16,17
DC/DC CONVERTER
Q16
2SC4116(Y)F
R434 47
C415 0.1u
Q17
2SA1586(Y)F
R92 5 4
oUT GND
R98
6 3
5.6k
CT FB
R82
7 2
10k
VREF IN2
34
8 1
56k
V+ IN1
3
IC11
NJM2340RB1
DC/DC
35
CONVERTER
CONTROL
6
OP AMP
IC7
TA75S01F-F
1
1 5
IN(+) VCC
k 2
VEE
3 4
IN(-) oUT
R131
47k
RD G1
oE
G2
DQ9
G3
DQ11
C120 1000p G4
VCC
C121 10u
G5
DQ13
FLASH MEMORY
A0 G6
DQ15/A-1
IC17
H1
VSS1
D1 H2
DQ1
D3 H3
DQ3
D4 H4
DQ4
D6 H5
DQ6
H6
VSS2
R159
0
DC/DC CONVERTER
5.0V
Q2
2SJ506-E(S) R129
0
R101
0
L15
68u
IC16
XC6209B502PR
VOLTAGE
REGULATOR
C123
50MPU_CoNT
4700p
DC/DC
CONVERTER
5.0V
Q3 R533
2SJ506-E(S)
0
1
R128
0
L16
33u
C125
4700p 3.3V
R130
1
DC/DC 0 2
CONVERTER
3
VOLTAGE REGULATOR
D6 A16
A15
D5 A12
A11
D4
NC4
D3
NC3
D2 A6
A5
D1 A2
A1
C6 A15
A14
C5 A11
A10
C4
NC2
C3 CS1
A18
C2 A7
A6
C1 A3
A2
R137
1k
8.0V
R146
0
R148
0
VOLTAGE
REGULATOR
IC15
3.3V
BA33BC0FP
R141
3
IN oUT
GND 0
R142
2
0
R143
0
IC18
XC6201P182MR
1.8V
R153
5
VIN VoUT
0
VSS
4
NC1 NC2
BER_CLK
BER_DAT
SB
D7
D6
D5
D4
D3
D2
D1
D0
io6
io5
io4
io3
io2
io1
Ai3
Ai2
Ai1
TX_DDS_EN
TX_PLL_440_EN
TX_PLL_440_CE
TX_PLL_132_EN
SYS_RST
TX_PLL_132_CE
TX_2DA_EN
TX_2DA_CE
CLOCK
SHIFT SW
Q4
C212
2SC4738F
L77-1984-05
14.7456MHz
12p
50MPU
R473
100k
R472
100k
R183
0
IC22
BU4094BCFV
SHIFT
RESISTER
R550
0
103
104
105
106
107
P10/D8
108
P07/AN17/D7
P03/AN13/D3
P06/AN16/D6
109
P02/AN12/D2 P05/AN15/D5
110
P04/AN14/D4
P01/AN11/D1
111
P00/AN10/D0
112
P117
113
P116
114
P115
115
P114
116
P113
117
P112
118
P111
119
P110
120
P107/AN07/KI3
121
P106/AN06/KI2
122
P105/AN05/KI1
123
P104/AN04/KI0
124
P103/AN03
125
P102/AN02
126
P101/AN01
127
AVSS
128 P100/AN00
C226 10u
C227 1000p
R195 0
R196 0
CLOCK
X1
SHIFT SW
C222
Q5 2SC4738F
15p
R200 0
R201 0
A_TXD0
BUFFER BUFFER
IC40 IC27
TC7SH126FU-F TC7SET126FU-F
1 5 1
G VCC G
2 2
INA INA
3 4 3
GND oUTY GND oUTY
BUFFER
IC28
TC7SH126FU-F
1
G
2
INA
3
GND oUTY
R188
0
A
B
GND
5
VCC
4
5
VCC
4