Uhf2 (438-470 Mhz) 1-25 W Microprocessor And Controller Circuits (Sht 2 Of 2) - Motorola CM200 Service Manual

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics
D3_3V
R444
10.K
DNP
DNP
Q415
R431
DNP
DNP 10.K
C490
R459
47.K 1.u
D3_3V
R445
10.K
TP408
TEST_POINT
Q414
D3_3V
R422
10.K
Q413
R470
10.K
R466 DNP
R467 DNP
VS_INT
R468 DNP
VS_CS
DNP
R469
VS_RAC
D3_3V
C422 C423
100n
120.p
16
VCC 15
Q0
11
1
SPI_CLK CLK_S Q1
12 2
CLK_L Q2
13 3
EN_OE Q3
4
10
RESET Q4
5
Q5
U405
6
Q6
MC74HC595A
7
Q7
14
9
SPI_MOSI SERIN SEROUT
GND
C421
8
22.n
Q403
PROG_OUT-ALARM_4
TP405
TEST_POINT
DNP
D3_3V
BOOT_EN_IN_CH
R436
VR400
33.K Q412
6.80
ACCESS_PTT
SCI_CH
R421
220.
D3_3V
R435
33.K
Q411
PROG_IN-P6_I
R434
33.K
Q410
VR402
PROG_IO-P8_I
3.30
VSTBY
PROG_IO-P8_O
R433
33.K
Q409
PROG_IO-P12_I
PROG_IO-P12_O
PROG_OUT-ALARM_4 R432
PROG_IO-P8_O 33.K
PROG_IO-P12_O
PROG_IO-P14_O
Q408
PROG_IO-P14_I
VS_AUDIO_SEL
VS_GAIN_SEL
PROG_IO-P14_O

UHF2 (438-470 MHz) 1-25 W Microprocessor and Controller Circuits (Sht 2 of 2)

FILT_SW_B+
R401 R460
2.7K
1.5K
Q401
D3_3V
R457
3.3K
R458
3.3K
D401
R429
100.K
MIC_SENSE
R430
39.K
R456
3.3K
MIC_PTT
R461
220.
D3_3V
R440
C417
R455
10.K
120.p
3.3K
R406
0.
Q416
R407 0.
R405 0.
R404 0.
D3_3V
R403
0.
R402 0.
R454
3.3K
73D02968C74-O
Q404
D3_3V
R453
3.3K
Q405
4-17
HOOK_CH
C418
120.p
MIC_PTT_CH
D402
EXT_ALARM_OUT
PROG_O-ACC_C_4
EXT_MIC_PTT
PROG_I-ACC_C_3
PROG_IN
PROG_I-ACC_C_6
PROG_I/O
PROG_IO-ACC_C_8
PROG_I/O
PROG_IO-ACC_C_12
PROG_I/O
PROG_IO-ACC_C_14
SHEET 8 OF 8