Kenwood NXR-700 Service Manual page 166

Vhf digital base-repeater
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TX UNIT
TX UNIT
C N9 6 0
C N9 2 0
X56-311 B/3
X56-311 C/3
1
1
DC8
DC8
GND
GND
50MPU
50MPU
STB
STB
SR_oE
SR_oE
SR_CLK
SR_CLK
SR_DATA
SR_DATA
LED 1
LED 1
GND
GND
1 0
1 0
LED 10
LED 10
RX UNIT
X55-309
CN42
CN57
36
1
GND
GND
GND
GND
WP
WP
D_GND
D_GND
E2PRoM_SDA
E2PRoM_SDA
CoNT_5.0V
CoNT_5.0V
E2PRoM_SCL
E2PRoM_SCL
D_GND
D_GND
AD_CS
AD_CS
iF_BW_SW
iF_BW_SW
AD_DAT_WRiTE
AD_DAT_WRiTE
NC(iF_NW_SW)
NC(iF_NW_SW)
AD_CLK
AD_CLK
19.2MHz REF_SIG
C N4 5
GND
GND
AD_DAT_READ
AD_DAT_READ
NC
NC
CoNT_5.0V
CoNT_5.0V
PLL_LoCK_DET
PLL_LoCK_DET
AGC_RSSi
RX_IF_VN
AGC_RSSi
C N4 3
PLL2_EN
PLL2_EN
FM_RSSi
FM_RSSi
NC
NC
GND
GND
CN41
PLL_PWR_SAVE
PLL_PWR_SAVE
MONITOR_PORT
RX_AUDio
RX_AUDio
SiF_DAT
SiF_DAT
GND
GND
SiF_CLK
SiF_CLK
DA_EN
DA_EN
PLL1_EN
PLL1_EN
RX ANT
C N 5
VCo_BAND_SW
VCo_BAND_SW
CN 4 4
DDS_EN
DDS_EN
3
B
RX_PoWER_SAVE
RX_PoWER_SAVE
NC
NC
B
GND
GND
1
E
GND
GND
1
36
CN4
4
SB
SB
1
E
RX_IF_VN
9
6
5
1
PC CONTROL
TEST/SPKR (PANEL ViEW)
FINAL UNIT
X45-385 E/5
SPG
SPI
SPO
AO5
CN923
CN905
3
9
15
6
12
11
1
SB
GND
RSI
AO2
AO4
VOLUME_IN
VOLUME_IN
2
5
8
11
14
J901
33MPU
SB
GND
RD
AO1
AO3
33MPU
1
4
7
1
NC
10
13
GND
GND
SB
33AUD
33AUD
GND
PTT_TXD_SCM
SB
SB
MiG
MIC
SCM_EN
SCM_EN
HOOK_RXD_SCM
8
SCM_EN
GND
GND
INT SP
PTT_TXD_SCM
PTT_TXD_SCM
HooK_RXD_SCM
HOOK_RXD_SCM
MiG
MiG
1
11
MIC
MIC
CONTROL UNIT1
X53-413
CONTROL UNIT2
X53-414
CN27
CN23
CN25
FINAL UNIT
FINAL UNIT
+
X45-385 C/5
DC
X45-385 B/5
-
CN28
CN30
CN29
CN24
CN26
E
B
CONTROL I/O (PANEL VIEW)
13
1
25
14
OPTION (OCXO)
KXK-3
CN56
CN804
1
36
GND
GND
GND
GND
PAG
PAG
GND
GND
CoNT_5.0V
CoNT_5.0V
D_GND
D_GND
CoNT_5.0V
CoNT_5.0V
D_GND
D_GND
SDA
SDA
D_GND
D_GND
SCK
SCK
TEMP_PRT
TEMP_PRT
ANT_SW
ANT_SW
DDS_EN
DDS_EN/VER
VR_EN
VR_EN
440_EN
440_EN
132_EN
132_EN
440_CE
440_CE
132_CE
132_CE
LDT
LDT
2DA_EN
2DA_EN
3DA_EN
3DA_EN
2DA_CE
2DA_CE
SR_oE
SR_oE
8AD_EN
8AD_EN
SR_EN
SR_EN
SDi1
SDi1
SDo0
SDo0
SCLK1
SCLK1
SCLK0
SCLK0
SDo1
SDo1
GND
GND
MoD
MoD
WP
WP
GND
GND
GND
GND
1
36
TX UNIT
X56-311 A/3
CN805
CN400
36
1
GND
GND
GND
GND
REF_SW2
REF_SW2
WP
WP
REF_SW
REF_SW
oX_SCL
oX_SCL
EXT_EXiST
EXT_EXiST
oX_SDA
oX_SDA
REF_EXiST
REF_EXiST
iMP_H_L
iMP_H_L
REF_iN_oUT
REF_iN_oUT
GND
GND
oX_SDi2
oX_SDi2
GND
GND
oCXo_VR_EN
oCXo_VR_EN
GND
GND
oCXo_oN
oCXo_oN
GND
GND
oCXo_CURR
oCXo_CURR
GND
GND
oCXo_EXiST
oCXo_EXiST
GND
GND
VCXo_DA_EN
VCXo_DA_EN
GND
GND
REF_LDT
REF_LDT
GND
GND
PLL_19_EN
PLL_19_EN
GND
GND
PLL_19_CE
PLL_19_CE
GND
GND
oX_SDo2
oX_SDo2
GND
GND
oX_SCLK2
oX_SCLK2
33MPU
33MPU
GND
GND
GND
GND
36
1
19.2MHz REF SIG
NXR-700
APPENDIX 2 (INTERCONNECTION DIAGRAM)
FINAL UNIT
X45-385 A/5
CN806
CN2 0
36
1
GND
GND
GND
GND
NC(FAN_CURR2)
NC(FAN_CURR2)
CN22
GND
GND
TX ANT
PA_CURR
PA_CURR
GND
GND
CN19
MONITOR PORT
FAN_CURR
FAN_CURR
GND
GND
FWD_PWR
FWD_PWR
GND
GND
CN8
RFL_PWR
RFL_PWR
2
GND
GND
FAN 1
M
1
PWR_PRT
PWR_PRT
GND
GND
PWR_CONT
PWR_CONT
GND
GND
FAN_CONT
FAN_CONT
GND
GND
FAN_CONT2
FAN_CONT2
GND
GND
TEMP_RST
TEMP_RST
GND
GND
ANT_SW
ANT_SW
GND
GND
TEMP_PRT
TEMP_PRT
D_GND
D_GND
CONT_5.0V
CONT_5.0V
D_GND
D_GND
SCK
SCK
D_GND
D_GND
SDA
SDA
D_GND
D_GND
GND
GND
CN21
E
W P
W P
CN2
GND
GND
B
GND
GND
3 6
1
CN802
TX SIGNAL
CN1
CN801
1
E
B
3
B
REF_IN(10MHz)
CN408
REF_OUT(10MHz)
CN403

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