Kenwood NXR-700 Service Manual page 154

TX UNIT
CN1
X56-311 (A/3)-CN802
RF IN
FINAL UNIT(DC SECTION)
(X45-3810-XX)(C/5)
CN29
C90 1000p
C86 0.01u
CN15
1
2 C83 1000p CN30
RX UNIT
X55-309 -CN44 3 C80 0.01u
B
CN12
1
TX UNIT 2 C72 1000p
X56-311 (A/3)-CN801
3 C70 0.01u
CN11
1
2
CONTROL UNIT
3 C61 1000p
X53-413 -CN4
4 C59 0.01u
C188 47u35
L3
L79-0558-05
SURGE
PROTECTION
D5
DSM3MA1-RPB
FINAL UNIT(FUSE SECTION)
(X45-3810-XX)(B/5) SURGE
PROTECTION
CN25 CN23 CN27 D4
Z5W27V
CN4 A
DC
CN26 CN24 CN28
CN8
FAN 1
POWER MODULE
IC10
RA13H1317M131
FINAL UNIT(PA SECTION)
(X45-3810-XX)(A/5)
TX H:2.5V TX H:13.7V
K L:2.0V K L:13.8V
TX:100mW
K
RX :0V RX :13.8V
RX:0W HPF
3DB ATT
R2 C141 C60
R23
18 0 1000p 1000p
TX H:3.0V TX H:13.5V
K2 L:2.6V K2 L:13.6V
RX :0.6mV RX :13.3V
C46
1000p
L1
L92-0179-05
OVERVOLTAGE
PROTECTION
D7
02CZ5.6(Y)F
DETECTOR
CURRENT SENSE
D9
HSB88WS
R123
CURRENT
10k MONITOR C47
IC1
0.01u
LTC6101BIS5-F
C63
R20
TX H:1.0V
K L:0.3V
1000p
100k
RX:0V
TX H:1.0V
K2
L:0.6V
DC SW
RX:0V
Q2
SSM3K15TE(F)
PA
CN2
CURR
R102 R9
470 100
0.5
CN21
L4
L92-0131-05
* * OP AMP
R21 R150
IC2
*
C49
NJM2904E-ZB
C50 1
AoUT V-
1000p 2
A-IN BoUT
3
A+IN B-IN
* *
R22 R151 4
GND B+IN
C51
1000p
R17
10k
VR2
10k
R142
0
R32-0754-05
VOLTAGE VOLTAGE
REGULATOR REGULATOR
IC3
IC11
NJM7808FA-ZB 8V TA78L05FF 5V
3 1 3 1
IN oUT
CoM
2 2
VOLTAGE
REGULATOR
IC12
NJM7805FA-ZB
5V
3 1 C170
1000p
DC SW
2 Q3
SSM3J01F
DC SW
Q14
SSM3K15TE(F)
1
2
X45-3810-XX R12 R13 R21 R22 R150 R151 C49
-10 K 10k 10k 180k 180k NO NO 0.1u
-11 K2 56k 56k 560k 560k 470k 470k 0.047u
FORWARD
C85
33p
R38
150
TX H:3.3V
L:1.0V
K
RX:0V
FWD
OP AMP
*
R31 R35
IC4
NJM2904E-ZB
100k
*
C77
1
AoUT
2
A-IN
3
A+IN
* R36
4
GND
R32 C78
100k 1000p
C75
1000p
8 C64
7 1000p
6
5 C67
1000p
R28
470k
PWR CONT
R50
100k
*
C95
R51
100k
*
C94
R137 R136
100k 390k
C150
SURGE 0.1u
PROTECTION
D6
C167
1SS355
0.1u
C38
R138 R110
10u25
100k 390k
C40
0.01u
C39
1000p
X45-3810-XX L13 L14
-10 K 56n 56n
-11 K2 68n 68n
ANT SW
DIRECTIONAL COUPLER RF SW RF SW
*
C122
C105 D11 D16
1000p L7091CER L7091CER
REFLECT *
C87
R47
RF SW
150
TX H:8V
TX H:1.8V TX:8V K2 L:8V
K
L:0.9V
K2 RX:0V RX:22.7mV
R72
C108
RX:8.0mV
C89
1000p
DC SW
IC9
RFL Q4
1000p
S24CS02AFJTBG
2SJ506-E(S)
DETECTOR 1
R53 R56
A0
8 150k 100k
D10
2
V-
HSB88WS A1
7 C96
3
BoUT
A2
6 1000p
4
B-IN
GND
5
DC SW
B+IN C104
R54 Q5
1000p
SSM3K15TE(F)
E2PROM
150k
C97 R57
1000p 100k
ANT SW
D
C99
R68
1000p
100k
R70 R71
0 0
TEMPERATURE
SENSOR
OP AMP
IC7 IC8
0V
S-8130AC NJM2904E-ZB
5 4 1 8
C113 4700p
VSS CD1 AoUT V-
6 3 2 7
C114 4700p
RESET CD2 A-IN BoUT
7 2 3 6
R69 10k
RT DET A+IN B-IN
8 1 C191 1u 4 5
VoUT VDD GND B+IN
C115 1000p
Q8
SSM3K15TE(F)
R66 10
DC SW
OP AMP
IC6
R45 C88 NJM2904E-ZB
1
0 1000p
OP AMP AoUT
2
IC5
PRT A-IN BoUT
NJM2904E-ZB
1.1V 3
A+IN B-IN
1 C162 0.1u PWR
8
AoUT V- PRT 4
* GND B+IN
R39 * R152
2
7
A-IN BoUT
*
3 R37
6
A+IN B-IN
* R33
4
5
GND B+IN
* *
R40 R153
C82
0.1u
R89
0
OP AMP
C169
IC15
1000p
NJM2904E-ZB
1 8
AoUT V-
2 7 R107
A-IN BoUT
3 6 0
A+IN B-IN
4 5
GND B+IN
OVERVOLTAGE
K:1.4V
PROTECTION
FC1 K2:1.7V
D19
02CZ4.7(Y)F
L15 L18 R26 R33 R35 R36 R37 R39 R40 R124 R144 R145 R152 R153 C77 C87
56n 5.6n 82 100k 82k 82k 100k 270k 270k 10 0 NO NO NO 1000p 47p
68n NO 47 390k 68k 68k 390k 560k 560k 18 NO 0 470k 470k NO 56p
TX H:5W
L:0.5W
RX :0W
HPF LPF
* * * *
C123 L13 L14 L15 CN22
R125
TX ANT
0
* C161 CN19
C124
RX
1000p
RF SW
5V
0
8
VCC
7
WP CN20
6
36 GND
SCL
5
35 GND
SDA
Q6
34 WP
SSM3K15TE(F)
33 GND
DC SW
32 D_GND
31 SDA
30 D_GND
29 SCK
28 D_GND
27 CONT_5.0V
26 D_GND
25 TEMP_PRT
24 GND
23 ANT_SW
C127
22 GND
1000p
21 TEMP_RST
20 GND
19 FAN_CONT2
18 GND
17 FAN_CONT
CP1
RK75GB1J103J 16 GND
15 PWR_CONT
14 GND
13 PWR_PRT
12 GND
11 RFL_PWR
10 GND
9 FWD_PWR
8 GND
7 FAN_CURR
C98 6 GND
8
V-
1000p 5 PA_CURR
7
R49 FC2 4 GND
6
0 3 NC(FAN_CURR2)
5
2 GND
1 GND
* R144
*
R145
C94 C95 C100 C116 C119 C122 C123 C126 C130 C131 C147 C148 C158 C161 C193
0.1u 0.1u 1000p NO NO 56p 56p 18p NO 33p 33p NO 22p 12p NO
NO 1000p 0.1u 7p 2p 100p 33p 22p 3p 39p 39p 3p 27p 15p 68p