Kenwood NXR-800 Service Manual page 154

RX_AUDIO_D
MIC_D_IN
iNRA_SW
HooK_RXD_SCM
AMP_SW
SCM_EN
AF_MUTE
iNSP_SW
EVOL_DATA
PTT_AM16C
EVOL_CLK
EVOL_LD
TAAD_SW
BEEP_SW
PATH_SW
RXAD_SW
MiC_SW
MiCAD_SW
Lo_VoL_DET
PTT_TXD_SCM
4
Hi_VoL_DET
50MPU_A_GND
50MPU
50MPU_A_GND
33MPU_A_GND
33MPU
33MPU
33MPU_A_GND
50MPU_A
33MPU_A
50MPU_CoNT
E_PTT_SH
SC_SH
SRX0_ATX0
STX0_ARX0
RF_PTT
TX_STATE
QT_DQT
RADIO_ERR
5
ADSP_CK_SFT
TRUNKiNG
A16C_CK_SFT
BER_DAT
BER_CLk
SYS_RST
6
132
X53-414
GND 9
10
BEEP
11
12
13
NC 14
15
16
17
18
19
20
21
22
GND 23
24
25
TA_SW 26
27
28
29
30
31
TD_SW 32
33
NC
34
35
GND
36
CN402
1
GND 2
3
4
5
DC50 6
7
DC50
8
DC50
9
DC50
10
11
12
13
3.3V
14
15
16
33SH
17
18
NC
19
20
GND 21
22
23
24
GND
25
26
27
28
29
GND
30
31
32
33
34
35
GND
36
CN300
R302
0
2nd IF 456kHz
3.3V 3.3V
VOLTAGE
DETECTOR
C379
0.1u
R368 0
R369 0
R370 0
R947 0
R371 0
R932 0
R372 0
R933 0
R373 0
R948 0
R374 0
R946 0
R375 0
R376 0
R916 0
R377 0
R378 0
R379 0
R380 0
R381 0
R382 0
R383 0
R384 0
R385 0
R386
0
SW
Q309
SSM6N16FE-F
1 6
2 5
3 4
R340 0
L301
L302
5.0V
L303
3.3V
L304
L305
5.0V
L306
L307
L300
R341 0
R342 0
R343 0
R344 0
R345 0
R346 0
R347 0
R348 0
R349 0
R350 0
R352 0
0
R353
R354 0
R949 0
R950 0
R356 0
33MPU
DC50
R388
0
VOLTAGE
REGULATOR
5.0V
IC329
BA33DD0WT
VOLTAGE
REGULATOR
VOLTAGE PROTECTOR
D702 1SS355
AMP_SW
SCM_EN
AF_MUTE
EVOL_DATA
EVOL_CLK
EVOL_LD
TAAD_SW
TA_SW
BEEP_SW
PATH_SW
RXAD_SW
MiC_SW
MiCAD_SW
TD_SW
Lo_VoL_DET
HooK_RXD_SCM
BUFFER
IC330
TC7SH126FU-F
5
1
G VCC
2
INA
3 4 PTT_SH
GND oUTY
R936 100k
R935 470k
R934 470k
Hi_VoL_DET
R395 0
R394 0
DC50
33MPU_A_GND
33MPU
50MPU_A
33MPU_A
33SH
50MPU_CoNT
E_PTT_SH
SC_SH
SRX0_ATX0
STX0_ARX0
RF_PTT
TX_STATE
QT_DQT
RADIO_ERR
ADSP_CK_SFT
TRUNKiNG
A16C_CK_SFT
BER_DAT
BER_CLK
SYS_RST
RESET_D
L324
CONTROL SW
Q303
DTA144EUA
33CF_CoNT
3.3V
L314
33SH
33SH_CoNT
RX_AUDIO_D
MiC_D_IN
33MPU
R951
100k
BUFFER
IC728
TC7SH126FU-F
4 3
oUTY GND
2
INA
5 1
VCC G
C834
0.1u
33MPU
A/D
CONVERTER
IC312
ADCS7476AIMF
ADSCLK 4 3
SCLK VIN
ADSDO R425 0 5 2
SDATA
GND
ADCS 6 1 R442
CS VDD
C494
R423 0 C495
33CF
VOLTAGE
REGULATOR
IC306
BA15BC0FP
R389
33SH 1 3
IN oUT
0
GND
2
VOLTAGE
REGULATOR
IC307
XC6201P152PR
R390
33MPU 3 1
VIN VoUT
0
VSS
2
33SH
DC SW
33SH
Q302
2SA1955A-F
POWER SW
Q301
DTC114EUA
DC SW