Motorola EM200 Serie Manual De Servicio página 340

Esquemas eléctricos del radio VHF2 25-45 W banda 2, tarjeta de circuito impreso 8486487Z04
TP408
TEST_POIN
RESET
MODA_LIR
MODB_VSTBY
MARLIN
PROG_OUT-ALARM_4
PROG_IO-P8_O
PI2
PROG_IO-P12_O
PI3
PROG_IO-P14_O
PI4
D3_3V
R444
10K
TP405
TEST_POINT
DNP
1
R431
Q415
D3_3V
DNP
10K
VR400
DNP
C490
R459
6.8V
47K
1uF
R445 DNP
DNP
10K
Q414
D3_3V
R422
10K
VR402
3.3V
Q413
R470
10K
DNP
T
1
DNP IN MARLIN
R466 0
R4670
VS_INT
R4680
VS_CS
R469 0
VS_RAC
D3_3V
C423
C422
MARLIN +
0.1uF
1000pF
VS_INT
16
VS_CS
15
VCC
Q0
11 1
CLK_S
SPI_CL K Q1
SHIFT_REGN_CS
12 2
CLK_L Q2
13 3
EN_OE
Q3
VS_RAC 10 4
RESET
Q4
5
Q5
C421 Q6
7
U405 Q7
.022uF
MC74HC595A
14
SERIN
SPI_MOSI
9
SEROUT
GND
8
DNP IN MARLIN
Q403
PROG_OUT-ALARM_4
BOOT_EN_IN_CH
R436
33K
ACCESS_PTT
Q412
R421
SCI_CH
220
VSTBY
R435
33K
PROG_IN-P6_I
Q411
R434
33K
PROG_IO-P8_ I
Q410
PROG_IO-P8_O
R433
33K
PROG_IO-P12_I
Q409
PROG_OUT-ALARM_4
PROG_IO-P8_ O PROG_IO-P12_O
PROG_IO-P12_O
PROG_IO-P14_O
VS_AUDIO_SEL
R432
VS_GAIN_SEL
33K
PROG_IO-P14_I
Q408
PROG_IO-P14_O
Circuitos del microprocesador y del controlador 25-45 W VHF2 (146-174 MHz) (hoja 2 de 2)
FILT_SW_B+
R401 R460
2.7K 1.5K
Q401
D3_3V
R457
3.3K
MIC_SENSE
D3_3V
R456
3.3K
MIC_PT T
D3_3V
R455
3.3K
Q416
D3_3V
R454
3.3K
Q404
R440
10K
D3_3V
R453
3.3K
Q405
4-17
D3_3V
R458
3.3K
D401
HOOK_CH
R429
100K
C418
R430 1000pF
39K
R461
MIC_PTT_CH
220
D402
C417
1000pF
R406 0
EXT_ALARM_OUT
PROG_O-ACC_C_4
R407 0
EXT_MIC_PTT
PROG_I-ACC_C_ 3
0
R405 PROG_I N
PROG_I-ACC_C_ 6
R404 0
PROG_I/O
PROG_IO-ACC_C_8
R403 0
PROG_I/O
PROG_IO-ACC_C_12
R402 0
PROG_I/O
PROG_IO-ACC_C_14