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Kenwood Manuals
Repeater
NEXEDGE NXR-901
Service manual
Kenwood NXR-901 Service Manual page 158
900mhz digital base-repeater ocxo unit kxk-3 m3
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:
Instruction manual
(6 pages)
,
Instruction manual
(8 pages)
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Contents
Table of Contents
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CN960
CN920
1
1
DC8
DC8
TX UNIT
X56-315 C/3
TX UNIT
GND
GND
x56-315 B/3
50MPU
50MPU
STB
STB
SR_oE
SR_oE
SR_CLK
SR_CLK
SR_DATA
SR_DATA
LED 1
LED 1
GND
GND
1 0
10
LED 10
LED 10
RX UNIT
x55-312
36
CN57
CN42
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)
CN45
AD_CLK
AD_CLK
20.0MHz REF_SIG
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
CN43
AGC_RSSi
PLL2_EN
PLL2_EN
FM_RSSi
FM_RSSi
NC
NC
GND
GND
CN68
PLL_PWR_SAVE
PLL_PWR_SAVE
LEVEL_MONITOR
RX_AUDio
RX_AUDio
SiF_DAT
SiF_DAT
GND
GND
SiF_CLK
SiF_CLK
DA_EN
DA_EN
RX ANT
PLL1_EN
PLL1_EN
CN5
VCo_BAND_SW
VCo_BAND_SW
DDS_EN
DDS_EN
CN44
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
PC CONTROL
TEST/SPKR (PANEL ViEW)
FINAL UNIT
X45-387 D/4
SPG
SPI
SPO
AO5
3
6
CN923
9
CN905
12
15
1
1
SB
GND
RSI
AO4
VOLUME_IN
AO2
VOLUME_IN
2
5
8
11
14
GND
33MPU
33MPU
SB
RD
AO1
AO3
1
4
7
10
13
GND
GND
J901
1
NC
33AUD
33AUD
SB
GND
SB
SB
PTT_TXD_SCM
SCM_EN
SCM_EN
MiG
MIC
GND
GND
HOOK_RXD_SCM
8
SCM_EN
PTT_TXD_SCM
PTT_TXD_SCM
HOOK_RXD_SCM
HooK_RXD_SCM
MiG
MiG
11
11
MIC
MIC
CONTROL UNIT1
X53-413
CONTROL UNIT2
X53-414
CN27
CN23
CN25
FINAL UNIT
FINAL UNIT
X45-387 C/4
X45-387 B/4
CN28
CN26
1
CN30
CN29
CN24
E
B
CONTROL I/O (PANEL VIEW)
INT SP
CN56
1
36
GND
GND
PAG
GND
CoNT_5.0V
D_GND
CoNT_5.0V
D_GND
SDA
D_GND
SCK
TEMP_PRT
ANT_SW
VER
VR_EN
440_EN
132_EN
440_CE
132_CE
LDT
2DA_EN
3DA_EN
2DA_CE
SR_oE
8AD_EN
SR_EN
SDi1
SDo0
SCLK1
SCLK0
SDo1
GND
MoD
WP
GND
GND
1
36
CN400
1
36
GND
GND
REF_SW2
WP
REF_SW
oX_SCL
EXT_EXiST
oX_SDA
REF_EXiST
iMP_H_L
REF_iN_oUT
GND
oX_SDi2
GND
oCXo_VR_EN
GND
oCXo_oN
GND
oCXo_CURR
GND
oCXo_EXiST
GND
VCXo_DA_EN
GND
REF_LDT
GND
PLL_19_EN
GND
PLL_19_CE
GND
oX_SDo2
GND
oX_SCLK2
33MPU
GND
GND
36
1
REF2(20.0MHz)
+
DC
-
20.0MHz REF SIG
OPTION (OCXO)
KXK-3 M3
FINAL UNIT
X45-387 A/4
CN804
GND
GND
CN20
CN806
PAG
36
1
GND
GND
GND
CoNT_5.0V
GND
GND
D_GND
NC(FAN_CURR2)
NC(FAN_CURR2)
CoNT_5.0V
CN22
GND
GND
D_GND
TX ANT
SDA
PA_CURR
PA_CURR
D_GND
GND
GND
SCK
FAN_CURR
FAN_CURR
TEMP_PRT
ANT_SW
GND
GND
VER
FWD_PWR
FWD_PWR
VR_EN
GND
GND
440_EN
CN8
132_EN
RFL_PWR
RFL_PWR
440_CE
GND
GND
2
M
FAN 1
132_CE
1
PA_BiAS
PA_BiAS
LDT
2DA_EN
GND
GND
3DA_EN
PWR_CONT
PWR_CONT
2DA_CE
SR_oE
GND
GND
8AD_EN
FAN_CONT
FAN_CONT
SR_EN
GND
GND
SDi1
FAN_CONT2
SDo0
FAN_CONT2
SCLK1
GND
GND
SCLK0
TEMP_RST
TEMP_RST
SDo1
GND
GND
GND
MoD
ANT_SW
ANT_SW
WP
GND
GND
GND
TEMP_PRT
TEMP_PRT
GND
D_GND
D_GND
CONT_5.0V
CONT_5.0V
D_GND
D_GND
SCK
SCK
D_GND
D_GND
SDA
SDA
TX UNIT
D_GND
D_GND
X56-315 A/3
CN21
GND
GND
E
WP
WP
B
GND
GND
CN2
GND
GND
1
36
CN802
CN1
TX SIGNAL
CN805
GND
GND
REF_SW2
WP
REF_SW
oX_SCL
EXT_EXiST
oX_SDA
REF_EXiST
iMP_H_L
REF_iN_oUT
GND
CN801
oX_SDi2
E
1
GND
oCXo_VR_EN
B
GND
3
B
oCXo_oN
GND
oCXo_CURR
GND
REF_IN(10MHz)
CN408
oCXo_EXiST
GND
VCXo_DA_EN
REF_OUT(10MHz)
GND
CN403
REF_LDT
GND
PLL_19_EN
GND
PLL_19_CE
GND
oX_SDo2
GND
oX_SCLK2
33MPU
GND
GND
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