Kenwood NXR-700 Service Manual page 177

A
CONTROL UNIT1 (X53-4132-XX)
SC
BC8
BC1
BC2
SCR_PTT
GND
BC4
CLEAR
/CoDE
TXo
RXEo
RXEi
TXi
PoW
A
R470
TXANTS_O
R492
ANi_KEY
R495
PToA
GND
A
A
SiDE_ToNE
DATA_iN
ToNE_Co
MiC_MUTE
PoW
CN3
DC8 1
8.0V
GND 2
A
DC8 3
DC8 4
5.0V
50MPU 5
50MPU 6
GND 7
DC8 8
K5 9
K4 10
K3 11
K2 12
K1 13
GND 14
STB1 15
GND 16
SR_DATA 17
GND 18
SR_CLK 19
GND 20
SR_oE 21
GND 22
PTT_TXD_SCM 23
SCM_EN 24
HooK_RXD_SCM 25
GND 26
oCXo_ST_G 27
PWR_ST_R 28
oCXo_ST_R 29
SB 30
VoLUME_IN 31
33AUD 32
33MPU 33
MiC 34
GND 35
MiG 36
CN1
PTT_TXD_SCM 1
GND 2
Lo_Vol_DET 3
NC 4
TD_SW 5
MiCAD_SW 6
MiC_SW 7
RXAD_SW 8
R441 0
R442 0
R448 0 SCR_PTT
R449 0
POWER SW
Q19
R457 HN1L02FU(F)
47k
R458
100k
R450 0
R451 0
R452 0
R453 0
R454 0
F1
Q20
F53-0315-15
2SA1955A-F
8.0V
POWER SW
POWER SW
Q21
RT1N441M-T111
D26,39
CURRENT PROTECTOR A
D39
0 MiC_SW
0 1SS388F ANi_KEY
D26
0 PTT_TXD_SCM
1SS388F
TX_ANT_SW
Q25
RT1N441M-T111
OP CONT SW
A A
DATA_iN
ToNE_CoNT
R461
POWER SW
Q23
10k
RT1N441M-T111
F2 Q22
A
2SA1955A-F
80ANi_CoNT
POWER SW
F53-0315-15
8.0V
L21
A
L5
DC8
L22
L6
50MPU
R6 100
R7 0
R8 0
R9 0
R10 0
R11 0 STB1
SR_DATA
R12 0
R13 0 SR_CLK
R14 0 SR_oE
R15 0 PTT_TXD_SCM
R436 0 SCM_EN
R16 0 HooK_RXD_SCM
R17 0 oCXo_ST_G
R437 0 PWR_ST_R
R18 100 oCXo_ST_R
R414 0
R19 100 VoLUME_IN
L7 33SAUD
L20
R407 0
3.3V
R2 0
FM-NARROW
MIC INPUT
5.5mVrms at 1kHz:52mVrms
R21 0
R22 0
R23 0
R24 0
R25 0
R26 0
R27 0
B
SHIFT
IC1
RESISTER
BU4094BCFV
STB 1 16 50MPU
STRB VDD
2 15
DATA OE
SR_CLK 3 14 R445
CLK Q5
4 13 R446
Q1 Q6
5 12 R444
Q2 Q7
6 11 R443
Q3 Q8
7 10
Q4 Q'S
8 9
VSS QS
SR_oE
DATA_iN
TAAD_SW
MiC_SW
MiCAD_SW
MIC
MIG
K5
K4
K3
C63
R63
BEEP
K2
3.3k
0.1u
K1
AND GATE
CURRENT
PROTECTOR
KIC7SH08FU-P
D38
1SS388F
ANi_KEY 1
INB
PTT_TXD_SCM 2
INA
3
GND
PTT_AM16C
D25
MINISMDC020F
CURRENT
PROTECTOR
33MPU
MIC
MIG
50MPU
Lo_VoL_DET
TD_SW
MiCAD_SW
MiC_SW
RXAD_SW
MULTIPLEXE
IC3
BU4053BCFV
0
1
Y1
0
2
Y0
0
3
Z1
0
4
Z
5
Z0
6
INH
7
VEE
8
VSS
A
CODEC
63mV
C77 100u
C78 10u
A
457mV
C75 100p
R66 68k 1
2
3
4
MULTIPLEXER
IC2
BU4053BCFV
1
Y1 VDD
2
Y0 Y
3
Z1 X
C72
4
Z X1
R536 1u 5
Z0 X0
6
100k
INH A
7
VEE B
IC50
8
VSS C
5
VCC
C80
A A A
4
0.1u
oUTY
A
SB
5.0V
DC50
3.3V
VD
Y
X
X
X0
A
B
C
1
V
2
A
3
A
4
V
5
V
6
D
7
D
8
S
NJM
AoUT
A-INP
B
A+INP
B
GND
B
C81
16
15
14
13
12
11
10
9