Motorola Commercial Series Informationen zum Dienst - Seite 28

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Motorola Commercial Series Informationen zum Dienst
3-6
C512
6.8pF
R512 150K
U510-1
LM2904
R511
8
2
DEMOD
100K
3
4
5V_A
C511
220pF
R518
220K
C519
R519
100K
1uF
VS_AUDIO_SEL
VS_GAIN_SEL
PWR_SET
VOX
BW_SEL
CH_ACT
SQ_DET
LSIO
HSIO
ASFIC_CS
SPI_CLK
SPI_DATA_OUT
VHF
UHF
R513
Not Placed
100k
R515
Not Placed
0
R516
Not Placed
Not Placed
R517
0
Not Placed
Audio Circuit Schematic Diagram (UHF)
R516
NU
C514
16pF
R514
5V_A
100K
Q520
IMX1
C518
R513
1
8
6
C460
R515
7
0.1uF
5
4
U510-2
0.1uF
C513
LM2904
220pF
R521
NU
R517
3V_A
C451
0.1uF
C452
5V_A
C453
0.1uF
4.7uF
C455
10 V
.022uF
13 GCB2
MICEXT
14 GCB1
GNDRC
15 GCB0
MICINT
16 CHACT
VDDRC
17 SQDET
U451
TXSND
18 LSIO
30C53
RXRTN
19 HSIO
AUXTN
20 CSX
AUDIO
21
CLK
MOD
22 DATA
RXSND
23 GND
GCB5
SYN
GCB4
24 LCAP
C456
C457
NC
0.1uF
0.1uF
C458
0.1uF
R451
47K
3V_A
3V
E451
3V
BK1005HM471
C459
0.1uF
5V_ B
E452
BK1005HM471
5V
5V_A
E453
5V
BK1005HM471
C497
0.1uF
R523
10K
Audio
4
R522
2
Q520
IMX1
100K
3
1
5
6
OPT_RX_AUD_SEND_DETECTO R
OPT_RX_AUD_RETURN
R520
100K
OPT_RX_AUD_SEND_UNMUTED
OPT_TX_AUD_FLAT_RETURN
OPT_TX_AUD_SEND
OPT_TX_AUD_RETURN
C461
3V_A
1000pF
R460
24K
3V
C467
C462
C463
1200pF
C454
0.1uF
0.1uF
R474
R462
330
R464
R463
0.1uF
24K
30K
24K
C465
C464
C471
3V_A
0.1uF
1000pF
2.2uF
NC
48
47
46
45
44
43
42
A_MOD_OUT
41
40
MOD_OUT
39
38
NC
C466
37
NU
16_8_MHZ
F1200
5V_B
R487
0
5V_B
uP_CLK
C483
R484
C481
2
8
0.22uF
C482
2.2K
.01uF
.01uF
1
3
Not_Placed:NU
4
C484
Not:Placed:NU
2
3
U480-1
R490
.033uF
Not_Placed:NU
2.2K
LM2904
Q481
Not_Placed:NU
Not_Placed:NU
Not_Placed:NU 1
3
R483
R485
100K
1
150K
Q482
Not_Placed:NU
2
R486
Q490
Not_Placed:NU
100K
UMG5
Not_Placed:NU
6
1
U511
5V_B
2
UMG5
3
6
4
1
R488
330K
2
3
R495
4
C490
5.6K
470pF
VR471
R470
2.2K
3V_A
NC
R480
0
R472
1
680
VR472
C470
D471
R471
2
Q472
2.2K
0.1uF
3
6
NC
C477
5V
0.1u F
R255
3.9K
1%
4
BATT_CHARGE
1
R475
180K
R476
D470
OPT_MIC
100K
R477
2
5
L471
Q470
390nH
2.2K
C474
C473
NC
C472
0.1uF
6
3
150pF
150pF
SCI
VR473
20V
MMBZ5250B
EXT_MIC_PTT
NC
VR475
C475
R479
15V MMBZ5245B
100K
.022uF
R478
2.2K
C478
C476
SW_B+
.022uF
150pF
C494
C493
R494
330K
1000pF
2.2uF
DC Level 0.3 - 0.4 V low
6
C488
Supply = 7.42
C480
R469
VCC
470pF
C499
1/2 Supply = 3.22
U490
0.1uF
TDA854
39pF
1
MODE
3
5
INPOS
OUTNEG
2
8
R491
R492
SVR
OUTPOS
4
INNEG
C489
0
24K
C479
GN D
1
470pF
7
150pF
R496
C492
10K
R497
Not_Placed:NU
10uF
1MEG
Not_Placed:NU
D491
8
6
R498
7
5
47 K
4
C495
U480-2
1uF
NC
LM2904
Not_Placed:NU
Not_Placed:NU
C498
1uF
Controller Schematics
4
R473
680
5
Q471
6
1
RESET
2
3
4
BOOT_ENA
J471
ACCESSORY
CONNECTOR
4 S2
5 S4
6
S3
7
S1
NC
2 M2
VR474
MMBZ5250B
3 M3
20V
1 M1
J470-1
1
2
J491-1
INTERNAL
MICROPHONE
SPEAKER
CONNECTOR
1
2
3
J491-3
10
4
J491-4
5V_B
C496
R499
270K
1uF
Not_Placed:NU
R489
91K
Not_Placed:NU