Schematic Diagram - Kenwood NXR-700 Service Manual

A
NXR-700
1
2
TX UNIT
X56-311 (A/3)-CN802
3
FINAL UNIT:DC SECTION
(X45-3852-71)(C/5)
CN15
1
2
RX UNIT
X55-309 -CN44 3
4
CN12
1
TX UNIT 2
X56-311 (A/3)-CN801
3
CN11
1
2
CONTROL UNIT
3
X53-413 -CN4
4
5
L3
L79-1938-05
FINAL UNIT:FUSE SECTION
(X45-3852-71)(B/5)
CN25 CN23
CN27
CN4
DC
CN26 CN24
CN28
6
7
118
X45-385 (A/5) 1/2, X45-385 (B,C/5) 1/1
B

SCHEMATIC DIAGRAM

FINAL UNIT:PA SECTION (X45-3852-71) (A/5)
TX:100mW
RX:0W
3dB ATT
CN1 R2
18
RF IN
CN29 CN2
C90 1000p
C86 0.01u
C83 1000p
C80 0.01u CN30
CN21
B
C72 1000p
C70 0.01u
C61 1000p
C59 0.01u
C188 47u35
SURGE
PROTECTION
D5
DSA3A1-FK
SURGE
PROTECTION
D4
Z5W27V A
CN8
1
FAN 1
2
C
TX H:3.69V
L:3.31V
RX : 0V
L1
L2
CURRENT SENSE
R123
0 R106
0
CURRENT
MONITOR
IC1
INA195AIDBVT
TX H:2.71V
PA
L:1.15V
R102
CURR
RX : 0V
0
R9
100
VOLTAGE
REGULATOR
IC11
NJM7808FA-ZB 8V
VOLTAGE
REGULATOR
IC3
5V
TA78L05FF
3 1
oUT
IN
CoM
2
VOLTAGE
REGULATOR
IC12
12V
NJM2388F12-ZB
D6
1SS355
C38
22u35
C40
0.01u
C39
1000p
D
E
POWER MODULE
IC10
RA60H1317M1A
TX H:11.7V
L:12.4V
LPF
RX :13.0V
HPF
C141 C60
120p 120p
C85
33p
R38 TX H:3.62V
C46
150
RX :0V
1000p
OVERVOLTAGE
PROTECTION
100k
D7
DETECTOR
D9
HSB88WS
02CZ5.6(Y)F
C47
R32
0.01u
C63
100k
C75
R20
1000p
100k 1000p
Q2
DC SW
SSM3K15TE(F)
L4
R21
OP AMP
820k
IC2
C49
NJM2904E-ZB
0.047u
C64
C50
8
1
AoUT V-
1000p
1000p
2 7
A-IN BoUT
3 A+IN 6
B-IN
C67
R22
4 5
GND B+IN
820k
1000p
C51
1000p
R17
R28
10k
470k
VR2
R142
0
10k
PWR CONT
SURGE
PROTECTION
L:1.56V
FWD
R31
R35
82k
C77
1000p
R36 82k
C78
1000p
TEMP_PRT
R50
100k
C95
1000p
R51
100k
PWR_CONT
FAN_CONT
PA_CURR