Kenwood NXR-800 Service Manual page 85

TX UNIT CN1
X56-312 (A/3)-CN802
RF IN
FINAL UNIT(DC SECTION)
(X45-3820-13)(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)
(X45-3820-13)(B/5)
SURGE
PROTECTION
D4
CN25 CN23 CN27
Z5W27V
CN4 A
DC
CN26 CN24 CN28
CN8
FAN 1
POWER MODULE
IC10
RA13H3340M131
FINAL UNIT(PA SECTION)
(X45-3820-13)(A/5)
TX H:3.8V TX H:13.7V
L:3.3V L:13.8V
TX:100mW
RX :0V RX :13.8V
RX:0W 3DB ATT HPF
R2 R23 C141 C60
18
0 470p 470p
C46
470p
OVERVOLTAGE
PROTECTION
L1 D7
02CZ5.6(Y)F
L92-0179-05
C47
0.01u
CURRENT SENSE
DETECTOR
R20
R123
D9
100k
HSB88WS
10k
CURRENT
MONITOR DC SW
IC1 Q2
LTC6101BIS5-F SSM3K15TE(F)
C63
470p
TX H:1.0V
L:0.3V
RX:0V
PA
CN2
CURR
R102 R9
470 100
0.5
L4
CN21
L92-0131-05
OP AMP
R21 820k
IC2
C49 0.047u
NJM2904E-ZB
C50 470p 1
AoUT
2
A-IN
3
A+IN
R22 820k 4
GND
C51 470p
R17
10k
VR2
10k
R142
0
R32-0754-05
VOLTAGE VOLTAGE
REGULATOR REGULATOR
IC11 IC3
NJM7808FA-ZB 8V TA78L05FF
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
C85
8p
R38
150
TX H:3.3V
RX:0V
FWD
R31 R35
100k 68k
C77 1
470p 2
3
R36 4
68k
R32 C78
100k 470p
C75
470p
8 C64
V-
7 470p
BoUT
6
B-IN
5 C67
B+IN
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
D11 D16
C105
470p L7091CER L7091CER
FORWARD REFLECT
C87
18p
D14,15
R47
RF SW
150
TX:8V
RX:0V
C108
L:1.0V
470p
C89
DC SW
OP AMP
Q4
470p RFL
IC4 2SJ506-E(S)
NJM2904E-ZB
R53 R56 DETECTOR
8 180k 100k
D10
AoUT V-
HSB88WS
7 C96
A-IN BoUT
6 470p
A+IN B-IN
DC SW
5
Q5
GND B+IN C104
R54 SSM3K15TE(F)
470p
180k
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
C113 4700p
VSS CD1 AoUT
6 3 2
C114 4700p
RESET CD2 A-IN
7 2 3
R69 10k
RT DET A+IN
8 1 4
C191 1u
VoUT VDD GND
C115 470p
Q8
SSM3K15TE(F)
R66 10
DC SW
R45 C88
1
0 470p
OP AMP
R50 2
IC5
PRT
NJM2904E-ZB
100k
1.1V 3
C95 1 C162 0.1u PWR
8
4
AoUT V- PRT
2 R39 820k
470p 7
A-IN BoUT
3 R37 560k
6
A+IN B-IN
R51 4 R33 560k
5
GND B+IN
100k R40 820k
C94
C82 0.1u
100p
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
FC1
PROTECTION 1.4V
D19
02CZ4.7(Y)F
TX H:5W
L:0.5W
HPF LPF RX :0W
C122 C123 L13 L14 L15 R125 CN22
TX ANT
22n 22n 22n
68p 33p 0
CN19
RX
C124
18p
5V
R72
0
IC9
S24CS02AFJTBG
8
1
A0 VCC
7
2
A1 WP CN20
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
BoUT
6 19 FAN_CONT2
B-IN
5 18 GND
B+IN
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
NJM2904E-ZB
C98 6 GND
8
AoUT V-
7 470p 5 PA_CURR
A-IN BoUT
R49 FC2 4 GND
6
A+IN B-IN
0 3 NC(FAN_CURR2)
5
GND B+IN
2 GND
1 GND
R147
0