Kenwood NXR-901 Service Manual page 142

900mhz digital base-repeater ocxo unit kxk-3 m3
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IC325
30625MGP490GU
R_CLK_L
BER_EN
R_DAT_L
2_SCLK4
12_SDo4
L_12_EN
REF_SW,REF_SW2
EXT_EXiST,REF_EXiST
REF_iN_oUT,oX_SDi2
_12_LDT
oCXo_VR_EN,oCXo_oN
oCXo_EXIST,oCXo_CURR
VCXo_DA_EN,REF_LDT
PLL_19_EN,PLL_19_CE
38F
oX_SDo2,oX_SCLK2
oX_SCL,oX_SDA
F
DiPSW1,2
RX_PWR_SAVE,AMP_SW,AF_MUTE,
EVoL_DATA,EVoL_LD,EVoL_CLK
oCXo_ST_G,oCXo_ST_R,BEEP,PWR_ST_R
50MPU_CoNT
IC327
AME_DET
TC7SH08FU-F
AME_SW
DSP_HRDY
RESET_D
IC308
Xc61CN2702N-G
0~D_A17
D_A19
D0~D_D7
3
TX_D,RX_D
D_iNT
D16C_RST
Q308
Q307
2SC4738F
2SC4738F
X301
14.7456MHz
D16C_CK_SFT
RX_AUDio_D
MoD_D_oUT
CN401
MiC_D_iN
CN401
,703
IC703
ME_DET
TX_D,RX_D
D_iNT
D16C_CK_SFT
D16C_RST
D/WR
0/DQM0
E1/DQM1
WE2/DQM2
DQM3
TC7SH126FU-F
0~CS5
PTT_SH
o
A0~A23
D0~D31
HiC_SW,MiCAD_SW,
TA_SW,TD_SW
RESET
PATH_SW,TAAD_SW
RXAD_SW,BEEP_SW
RY/BY
TRST
IC309
0
DN-SH
CONTROL UNIT
X53-414
CN400
33MPU
S700
CN401
VoLUME_iN
CN401
CN402
TX_DSP_RDY
IC324
RX_DSP_RDY
IC323
Lo_VoL_DET
CN401
Hi_VoL_DET
CN402
X45-387
SYS_RST
C/4
CN402
CN11
33SH_CoNT
IC329
X55-312
CN42
CN401
VoLUNE_iN
IC330
IC325
Lo_VoL_DET
PTT_AM16C
RX_PWR_SAVE,AMP_SW
AF_MUTE,EVoL_DATA
EVoL_LD,EVoL_CLK
oCXo_ST_G,oCXo_ST_R
BEEP
IC325
MoD_D_oUT,RX_AUDio_D,MiC_D_iN
CN402
RF_PTT,RADio_ERR,QT_DQT
TX_STATE,TRUNKiNG
A16C_CK_SFT,ADSP_CK_SFT
STXo_ARXo,SRXo_ATXo
ADSP_CK_SFT,SC_SH,E_PTT_SH
SYS_RST
IC325
Hi_VoL_DET
50MPU_CoNT
IC325
50MPU
DC50
33SH
X56-315 A/3
CN805
2SJ506-E(S)
CN4
SB
IC10
NJM2340RB1
50MPU_CoNT
CN2
IC7
IC11
TA75S01F-F
NJM2340RB1
Hi_VoL_DET
CN2
Lo_VoL_DET
CN1
33SH
CN2
CN2 SYS_RST
Q10
2SC4738F
ADSP_CK_SFT
CN2
Q12
2SC4738F
X2
L77-1987-05
16.515072MHz
CN57
AD_DAT_READ,PLL_LoCK_DET
AD_CS,NC(iF_NW_SW)iF_BW_SW,PLL1_EN,PLL2_EN
RX_PLL_PWR_SAVE,AD_DAT_WRiTE,AD_CLK,3DA_EN,VCo_BAND_SW,DDS_EN
E2PRoM_SDA,E2PRoM_SCL,WP
FM_RSSi,NC(AGC_RSSi)
CN59
CoNT_5.0V
RX_AUDio
AUDio
BLoCK
PTL_TXD_SCM
CN1
HooK_RXD_SCM
CN3
VoLUME_iN
CN3
Lo_VoL_DET
PTT_AM16C
CN4
RX_PWR_SAVE
oCXo_ST_G,oCXO_ST_R,PWR_ST_R
BEEP_SW,
BEEP,TAAD_SW
TD_SW,
TA_SW,PATH_SW
RXAD_SW,
MiC_SW,
MiCAD_SW,AF_MUTE,AMP_SW
IC8
M62364FP
EVoL_DATA,EVoL_CLK
EVoL_LD
EVoL
MoD_D_oUT,RX_AUDio_D,MiC_D_iN
CN2
RF_PTT,RADio_ERR,QT_DQT,TX_STATE
TRUNKiNG,RFPTT
STXo_ARXo
SYS_RST
SC_SH,E_PTT_SH
IC32,33
SRXo_ATXo
50MPU_CoNT
Hi_VoL_DET
50MPU
DC50
33SH
internal
SPEAKER
Q22,Q23
RT1N441M-T111
2SA1955A-F
Over
SW
current
80ANi
Protection
80ANi_CoNT
IC22
Q20,Q21
RT1N441M-T111
2SA1955A-F
Over
current
80SCR
SW
Protection
Q2
80SCR_CoNT
IC1
DC8
IC16
XC6209B502P-G
50MPU
50MPU_A
Q3
2SJ506-E(S)
DC50
IC6
XC6209B332PR-G
33AUD
IC15
BA33BCOFP
IC18
33MPU
XC6201P182M-G
33MPU_A
18DSP
IC30
320VC5402PGE
TC75H00FU-F
BCLK
X2
X1
IC31
TC74VHC4040FK
LRCK
SCLK
MCLK
IC38
TC7SET08FU-F
CN3
AUDio
BLoCK
TEST/SPKR
Q11
2SD2114K(W)
Ao1_N
current
Protectio
Q13
2SD2114K(W)
Ao2_N
AUDIO
BLOCK
Q27
2SD2114K(W)
Ao3_N
Q28
2SD2114K(W)
Ao4_N
Q29
2SD2114K(W)
Ao1~5
Ao5_N
IC22
BU4094BC
80ANi_CoNT
SR_DATA
BC1,2,4,8
CLEAR/CoDE
oPTioN
(SCRAMBLE)
80SCR_CoNT
50MPU
VCC1,VCC2
33SH
VCC3
SCR_PTT
IC17
RD,WR,RY,CS0~CS2
D0~D7
A0~A17,A19
IC37
IC34
30625MGP490GU
HRDY,HiNT
DSP_iNT,DSP_RS
STD0,STD1
Q1
RT1N141M-T111
/XF
AUDio
BLoCK
SYS_RST_AM16C
IC35
S24CSO2AFJTBG
IC27
TC7SET126FU-F
A_RXo
IC28
TC7SH126FU-F
A_TXDo
Over
50MP
IC1
BU409

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