Kenwood NXR-800H, Service Manual

Page: 177 / 260

N920
LED 10
GND
LED 1
SR_DATA
SR_CLK
SR_oE
STB
50MPU
GND
DC8
CN3
1
DC8
GND
DC8 DC8
50MPU 50MPU
GND
DC8
K5 K4 K3 K2 K1
GND
STB1
GND
SR_DATA
GND
SR_CLK
GND
SR_oE
GND
PTT_TXD_SCM
SCM_EN
HooK_RXD_SCM
GND
oCXo_ST_G
PWR_ST_R
oCXo_ST_R
SB
VoLUME_IN
33AUD
33MPU
MiC
GND
36
MiG
CN905
1
VOLUME_IN
33MPU
GND
33AUD
SB
SCM_EN
GND
PTT_TXD_SCM
HooK_RXD_SCM
MiG
11
MIC
CN59
1
Ao5 Ao4 Ao3 SPo Ao2 SPo Ao1
SPi
RSSi
RD
GND
SPG
GND
SPG
NC NC
SB
NC
SB
20
NC
D
M_SDA
_5.0V
M_SCL
D
S
_SW
AT_WRiTE
_NW_SW)
LK
AT_READ
_5.0V
oCK_DET
GC_RSSi)
EN
SSi
WR_SAVE
UDio
AT
LK
N
EN
BAND_SW
EN
oWER_SAVE
J901
1
8
NC
SB
GND
PTT_TXD_SCM
MiG
MIC
HOOK_RXD_SCM
SCM_EN
CN1
TA
SW
TAAD_SW EVOL_LD GND EVoL_CLK PTT_AM16C EVOL_DATA iNSP_SW AF_MUTE SCM_EN AMP_SW HooK_RXD_SCM NC iNRA_SW MiC_D_IN BEEP RX_AUDIO_D GND MoD_D_OUT PWR_ST_R VOLUME_IN oCXo_ST_G oCXo_ST_R RX_PWR_SAVE GND
36
GND
CN923
1
MIC
MiG
HOOK_RXD_SCM
PTT_TXD_SCM
GND
SCM_EN
SB
33AUD
GND
33MPU
11
VOLUME_IN
CN2
1
SYS_RST GND BER_CLK BER_DAT A16C_CK_SFT TRUNKiNG ADSP_CK_SFT GND RADiO_ERR QT_DQT TX_STATE RF_PTT GND STXO_ARXO SRXO_ATXO GND SC_SH E_PTT_SH NC 50MPU_CoNT 33SH 33MPU_A 50MPU_A 33MPU_A_GND 33MPU 33MPU 33MPU_A_GND DC50 DC50 DC50 DC50 50MPU_A_GND 50MPU 50MPU_A_GND GND
36
Hi_VoL_DET
CN921
1
MiG GND MIC 33MPU 33AUD VoLUME_IN SB oCXo_ST_R PWR_ST_R oCXo_ST_G GND HooK_RXD_SCM SCM_EN PTT_TXD_SCM GND SR_oE GND SR_CLK GND SR_DATA GND STB1 GND K1 K2 K3 K4 K5 DC8 GND 50MPU 50MPU DC8 DC8 GND
36
DC8
TX UNIT
X56-312 B/3
FINAL UNIT
X45-386 E/5
CONTROL UNIT1
X53-413
1
2
3
4
7
10
5 8
11
6 9
12
15
1
1
SB
SB
GND
GND
SPG
RD
RSI
SPI
SPO
A
A
AO1
AO2
TEST/SPKR (PANEL ViE