Motorola CM160 Service Information page 57

UHF1 25-40W PCB 8486577Z02 / Schematics
D3_3V
R444
10.K
DNP
DNP
Q415
R459
47.K
D3_3V
R445
10.K
TP408
TEST_POINT
Q414
1
D3_3V
R422
10.K
Q413
R470
10.K
DNP
VS_INT
VS_CS
VS_RAC
C421
22.n
TP405
TEST_POINT
1
DNP
R431
BOOT_EN_IN_CH
10.K
VR400
DNP
6.80
C490
1.u
DNP
10K
47K
10K
47K
VR402
3.30
VSTBY
R466 DNP
R467 DNP
R468 DNP
R469 DNP
D3_3V
C422 C423
120.p 100n
15
PROG_OUT-ALARM_4
Q0
SPI_CLK
11 1
CLK_S Q1 PROG_IO-P8_O
12 2
PROG_IO-P12_O
CLK_L Q2
13 3
PROG_IO-P14_O
EN_OE Q3
10 4
RESET Q4
5
Q5
U405 6
Q6 VS_AUDIO_SEL
MC74HC595A 7
Q7
SPI_MOSI 14 9
SERIN SEROUT VS_GAIN_SEL
FILT_SW_B+
R401
Q403 R460
2.7K 1.5K
PROG_OUT-ALARM_4
10K
47K
Q401
D3_3V
R436 R457
3.3K
33.K
ACCESS_PTT
47K
Q412
47K
R421
220.
SCI_CH
D3_3V
R456
R435
33.K 3.3K
PROG_IN-P6_I
47K
Q411
47K
D3_3V
R434
33.K
R455
3.3K
PROG_IO-P8_I
47K
Q410
47K
10K
Q416
47K
PROG_IO-P8_O
D3_3V
R433
33.K
R454
3.3K
PROG_IO-P12_I
47K
Q409
47K
10K
Q404
47K
PROG_IO-P12_O
D3_3V
R432
33.K
R453
3.3K
PROG_IO-P14_I
47K
Q408
47K
10K
Q405
47K
PROG_IO-P14_O
UHF1 (403-440MHz) Microprocessor and Controller Circuits (Sht 2 of 2)
D3_3V
R458
3.3K
D401
HOOK_CH
R429
100.K
MIC_SENSE
C418
120.p
R430
39.K
R461
220.
MIC_PTT
MIC_PTT_CH
C417
120.p
D402
R406 0.
EXT_ALARM_OUT
PROG_O-ACC_C_4
R407 0.
EXT_MIC_PTT
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 0.
PROG_I/O
PROG_IO-ACC_C_12
R402 0.
PROG_I/O
PROG_IO-ACC_C_14
R440
10.K
4-17