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

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

D3_3V
R444
10.K
DNP
DNP
DNP
Q415
R431
DNP
DNP 10.K VR400
6.80
C490
R459
47.K 1.u
D3_3V
R445
10.K
TP408
TEST_POINT
Q414
D3_3V
R422
10.K
Q413
VR402
R470
3.30
10.K
R466 DNP
DNP
R467
VS_INT
R468 DNP
VS_CS
DNP
R469
VS_RAC
D3_3V
C422 C423
120.p 100n
16
VCC 15
Q0
11
1
SPI_CLK CLK_S Q1
12 2
CLK_L Q2
13 3
EN_OE Q3
10 4
RESET Q4
5
Q5
U405
6
Q6
MC74HC595A
7
Q7
14 9
SPI_MOSI SERIN SEROUT
GND
C421
8
22.n
FILT_SW_B+
R401 R460
Q403
2.7K 1.5K
PROG_OUT-ALARM_4
TP405
Q401
TEST_POINT
D3_3V
BOOT_EN_IN_CH
R436
R457
33.K
Q412
3.3K
ACCESS_PTT
SCI_CH
R421
220.
D3_3V
R435
R456
33.K
Q411 3.3K
PROG_IN-P6_I
D3_3V
R434
33.K
R455
Q410
3.3K
PROG_IO-P8_I
Q416
VSTBY
PROG_IO-P8_O
D3_3V
R433
33.K
R454
Q409
3.3K
PROG_IO-P12_I
Q404
PROG_IO-P12_O
D3_3V
PROG_OUT-ALARM_4 R432
33.K
PROG_IO-P8_O
PROG_IO-P12_O
PROG_IO-P14_O
R453
Q408
3.3K
PROG_IO-P14_I
VS_AUDIO_SEL
VS_GAIN_SEL
Q405
PROG_IO-P14_O
UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics
D3_3V
R458
3.3K
D401
HOOK_CH
R429
100.K
MIC_SENSE
C418
120.p
R430
39.K
MIC_PTT
MIC_PTT_CH
R461
220.
D402
R440 C417
10.K
120.p
R406 0. EXT_ALARM_OUT
PROG_O-ACC_C_4
R407 EXT_MIC_PTT
0.
PROG_I-ACC_C_3
R405 0. PROG_IN
PROG_I-ACC_C_6
R404 0. PROG_I/O
PROG_IO-ACC_C_8
R403 PROG_I/O
0.
PROG_IO-ACC_C_12
R402 0. PROG_I/O
PROG_IO-ACC_C_14
73D02968C74-O
SHEET 8 OF 8