Kenwood NXR-800 Service Manual Supplement page 148

TX UNIT
CN1
X56-312 (A/3)-CN802
RF IN
FINAL UNIT(DC SECTION)
(X45-3820-XX)(C/5)
CN29
C90 470p
C86 0.01u
CN15
1
RX UNIT 2 C83 470p CN30
X55-310 -CN44
3 C80 0.01u
B
CN12
1
TX UNIT 2 C72 470p
X56-312 (A/3)-CN801
3 C70 0.01u
CN11
1
2
CONTROL UNIT
3 C61 470p
X53-413 -CN4
4 C59 0.01u
C188 47u35
L3
L79-0558-05
SURGE
PROTECTION
D5
DSM3MA1-RPB
FINAL UNIT(FUSE SECTION)
(X45-3820-XX)(B/5)
SURGE
PROTECTION
D4
CN25 CN23 CN27
Z5W27V
CN4 A
DC
CN26 CN24 CN28
CN8
FAN 1
POWER MODULE
IC10
RA13H4452M101
FINAL UNIT(PA SECTION)
(X45-3820-XX)(A/5)
TX H:3.8V
TX H:13.7V
K L:3.3V L:13.8V
TX:100mW
RX :0V
RX :13.8V
RX:0W
3DB ATT HPF
*
R2 C60
R23 C141
18 0 470p
TX H:3.8V
K2 L:3.5V
RX :0V
C46
470p
OVERVOLTAGE
PROTECTION
D7
L1
02CZ5.6(Y)F
L92-0179-05
C47
0.01u
CURRENT SENSE
DETECTOR
R20
R123 D9
CURRENT
100k
HSB88WS
10k
MONITOR
IC1 DC SW
LTC6101BIS5-F
Q2
SSM3K15TE(F)
TX H:1.0V
C63
K
L:0.3V
RX:0V
470p
TX H:1.0V
K2 L:0.6V
RX:0V
PA
CN2
CURR
R102 R9
470 100
0.5
L4
CN21
L92-0131-05
OP AMP
R21 180k
IC2
C49 0.1u
NJM2904E-ZB
C50 470p 1
AoUT V-
2
A-IN BoUT
3
A+IN B-IN
R22 180k 4
GND B+IN
C51 470p
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
470p
DC SW
2 Q3
SSM3J01F
DC SW
Q14
SSM3K15TE(F)
1
2
X45-3820-XX L5 C60
-10 K L34-4518-05 100p
-11 K2 NO 470p
FORWARD
C85
8p
R38
150
TX H:3.3V
L:1.0V
K
RX:0V
FWD
OP AMP
R31 R35
IC4
NJM2904E-ZB
100k 82k
C77 1
AoUT
470p 2
A-IN
3
A+IN
R36 4
GND
82k
R32 C78
100k 470p
C75
470p
8 C64
7 470p
6
5 C67
470p
R28
470k
PWR CONT
R50
100k
C95
0.1u
R51
100k
C94
0.1u
R137 R136
100k 390k
C150
SURGE
0.1u
PROTECTION
D6
C167
1SS355
0.1u
C38
R138 R110
10u25
100k 390k
C40
0.01u
C39
470p
X45-3820-XX
-10 K
-11 K2
ANT SW
RF SW RF SW
DIRECTIONAL COUPLER
* *
C105 D11 D16
L7091CER L7091CER
REFLECT *
C87
D14,15
R47
RF SW
150
TX:8V
RX:0V
TX H:1.7V C108
L:1.0V
K2
RX:0V 470p
C89
DC SW S24CS02AFJTBG
Q4
470p RFL
2SJ506-E(S)
1
A0
R56 DETECTOR
2
* R53
8 100k D10 A1
V-
HSB88WS 3
7 C96 A2
BoUT
4
6 470p GND
B-IN
DC SW
5
B+IN C104 Q5
*
R54 SSM3K15TE(F)
E2PROM
470p
ANT SW
C97 R57 D
470p 100k
R68
C99
100k
470p
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 4 5
C191 1u
VoUT VDD GND B+IN
C115 470p
Q8
SSM3K15TE(F)
R66 10
DC SW
OP AMP
IC6
NJM2904E-ZB
R45 C88
1
0 470p
AoUT
OP AMP
2
IC5
PRT A-IN
NJM2904E-ZB
1.1V 3
A+IN
1 C162 0.1u PWR
8
4
AoUT V- PRT
GND
2 R39 330k
7
A-IN BoUT
3 R37 100k
6
A+IN B-IN
4 R33 100k
5
GND B+IN
R40 330k
C82 0.1u
R89
0
C169
OP AMP
IC15
470p
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
R53 R54 R98 R124 R144 R145 C87 C105 C119 C122 C123 C126 C130 C131 C132
150k 150k 0 22 0 NO 12p 470p 4p 100p 33p 4p NO 7p NO
100k 100k NO 8.2 NO 0 8p 47p 5p 15p 39p NO 7p NO 6p
TX H:5W
LPF
L:0.5W
RX :0W
HPF
*
C122 C123 CN22
L13 L14 L15 R125
TX ANT
15n 15n 15n
0
CN19
RX
C124
470p
5V
R72
0
IC9
8
VCC
7
CN20
WP
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
470p
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-
470p 5 PA_CURR
7
BoUT
R49 FC2 4 GND
6
B-IN
0 3 NC(FAN_CURR2)
5
B+IN
2 GND
1 GND
* R144
*
R145
C137 C147 C148 C149 C158 C159 C161 C193
NO 7p NO 7p 2p 3p 22p NO
4p NO 3p 6p NO NO 1000p 100p