Kenwood NXR-800 Service Manual page 175

TX UNIT
CN1
X56-312 (A/3)-CN802
RF IN
FINAL UNIT(DC SECTION)
(X45-3820-10)(C/5)
CN29
C90 470p
C86 0.01u
CN15
1
2 C83 470p CN30
RX UNIT
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
FINAL UNIT(FUSE SECTION) DSM3MA1-RPB
(X45-3820-10)(B/5)
SURGE
PROTECTION
CN25 CN23 CN27 D4
Z5W27V
CN4 A
DC
CN26 CN24 CN28
CN8
FAN 1
POWER MODULE
IC10
RA13H4452M101
FINAL UNT(PA SECTION)
(X45-3820-10)(A/5)
TX H:3.83V TX H:13.66V
L:3.34V L:13.75V
TX:100mW
RX :0V RX :13.8V
RX:0W 3DB ATT HPF
R2
R23 C141 C60
18 0 470p 100p
C46
470p
OVERVOLTAGE
PROTECTION
D7
02CZ5.6(Y)F
L1
L92-0179-05
C47
0.01u
R20
DETECTOR
CURRENT SENSE
100k D9
HSB88WS
R123
10k
CURRENT
MONITOR DC SW
IC1 Q2
C63
LTC6101BIS5-F SSM3K15TE(F)
470p
TX H:1.025V
L:0.323V
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
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
TA78L05FF
NJM7808FA-ZB
8V
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
FORWARD
C85
8p
R38
150
TX H:3.34V
RX:0V
FWD
R31 R35
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
V-
7 470p
6
5 C67
470p
R28
470k
PWR CONT
5V
R137
100k
SURGE
PROTECTION
D6
C167
1SS355
0.1u
C38
R138 R110
10u25
100k 390k
C40
0.01u
C39
470p
ANT SW
RF SW RF SW
DIRECTIONAL COUPLER
C105 D11 D16
470p L7091CER L7091CER
REFLECT
C87
12p
R47
RF SW
150
TX:8V
RX:0V
L:0.976V
C108
C89
470p 470p
OP AMP
RFL DC SW
IC4
Q4
DETECTOR 2SJ506-E(S)
R53 R56
8 150k 100k
D10
V-
HSB88WS
7 C96
BoUT
6 470p
B-IN
5
B+IN C104 DC SW
R54
Q5
470p
SSM3K15TE(F)
150k
C97 R57
470p 100k
ANT SW
D
C99
R68
470p
100k
R70 R71
0 0
TEMPERATURE
SENSOR OP AMP
IC7 IC8
0V
S-8130AC NJM2904E-ZB
5 4 1
C113 4700p
VSS CD1 AoUT
6 3 2
C114 4700p
RESET CD2 A-IN BoUT
7 2 3
R69 10k
RT DET A+IN B-IN
C191 1u
8 1 4
VoUT VDD GND B+IN
C115 470p
Q8
SSM3K15TE(F)
R66 10
DC SW
NJM2904E-ZB
R45 C88
0 470p 1
OP AMP AoUT
R50
2
IC5
PRT A-IN
NJM2904E-ZB
100k
1.1V 3
A+IN
C95 1 C162 0.1u PWR
8
AoUT V- PRT 4
GND
2 R39 330k
0.1u 7
A-IN BoUT
3 R37 100k
6
A+IN B-IN
R51 4 R33 100k
5
GND B+IN
100k R40 330k
C94
C82 0.1u
0.1u
R89
0
OP AMP C169
R136
IC15
470p
NJM2904E-ZB
390k
C150 1 8
AoUT V-
0.1u 2 7 R107
A-IN BoUT
3 6 0
A+IN B-IN
4 5
GND B+IN
OVERVOLTAGE
PROTECTION
FC1
1.35V
D19
02CZ4.7(Y)F
TX H:5W
L:0.5W
LPF
HPF RX :0W
CN22
C122 C123 L13 L14 L15 R125
TX ANT
100p 33p 15n 15n 15n 0
CN19
C124
RX
470p
RF SW
5V
R72
0
IC9
S24CS02AFJTBG
8
1
A0 VCC
7
2 CN20
A1 WP
6
3
36 GND
A2 SCL
5
4 35 GND
GND SDA
Q6
34 WP
SSM3K15TE(F)
33 GND
E2PROM
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
8 21 TEMP_RST
V-
7 20 GND
6 19 FAN_CONT2
5 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
OP AMP
8 GND
IC6
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
0