Motorola EM200 Serie Manual De Servicio página 104

Esquemas eléctricos de la tarjeta de circuito impreso 8486684Z01 1-25 W UHF
POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRD
FLAT_TX_AUDIO_INPUT_ACCESS_CONN
DETECTOR_AUDIO_SEND_OPT_BRD
UNMUTED_RX_AUDIO_SEND_OPT_BRD
RX_AUDIO_RETURN_OPT_BRD
DNP
TX_AUDIO_SEND_OPT_BRD
C5051
R5042
100n
24.K
TX_AUDIO_RETURN_OPT_BRD
C5050
100n
PA_BIAS
PWR_SET
VOX
R5024
100.K
DNP
DNP
C5056
DNP
1.u
C5101
1.n
R5023
100.K
3V 3V C5055
R5025
1.u
100.K
DNP
R5044 R5063 R5064
8.2K
24.K 8.2K
C5054
DNP
100n
DNP
DNP
C5053
100n
R5040
30.K
R5043
C5052
24.K
100n
C5022
3V
100n
1
VDDA TXRTN
2
DISC GCB3
3
CLK168 34
GNDA
4
VDDD 33
DACU
5
VDDCP 32
DACR
6
GNDD 31
DACG
U504
7
GNDDO 30
VOX
8 30C53 F1200 29
PLCAP
9
SYN 28
SQIN
10
VDDSYN 27
UIO
11
3V
VDDDAC
12
PLCAP2 25
SQCAP
DNP
C5028 C5013 C5020
C5059
C5014 C5023
22n
2.2u 100n 100n 1u 100n
DC_POWER_ON
BW_SEL
CH_ACT
SQ_DET
LSIO
C5046
100n
HSIO
ASFIC_CS
SPI_CLK
C5091
82.p
SPI_MOSI
F1200
R5026
uP_CLK
33.K
R5072 4.7K
U507
R5014 270.K
8 6
LM2904 R5027
0.
7
5
4
C5077
120.p
DNP
C5090 82.p
9V
R5068
R5046 24.K
6.2K
R5045
33.K
U506
C5033
C5081
LM2904 8 2
120.p 1
100n
3
4
3V
C5078
1.n
R5009
R5067
3V
0.
6.2K
C5057
DNP
100n
U509
MC14053B
R5080
12
10. R5034 36K
X0
R5032 47.K 13
X1
2
Y0
C5012
1
Y1
4.7u
5
Z0
3
Z1
FLAT_TX_AUDIO_MUTE
FLAT_OR_DEEMPH_RX_AUD_SEL
36
35
3V 3V 5V
9V
R5010
C5075
0. 1n
3V DNP
R5011
DNP
0.
NC 26
R5088 R5059
C5034 0. 10.K
DNP
100n C5031
DNP 100n
U507
LM2904
C5026 C5029
DNP
100n 100n
2 8
DNP
1
C5058 R5058
3
R5013
100n 10.K 4
3V 0.
R5060
10.K
C5036 R5061
C5024 C5025
100n 100n 100.n 10.K
3V
R5033
47.K
R5008
0.
AUDIO_PA_EN
C5089
3V
82.p
R5022 100.K
U506
R5056
8 6
LM2904
10.K
7
5
4
C5032
100n
R5057
9V
10.K
C5027
C5088
82.p
100n
C5030
100n
R5021 100.K
6
C5044
EN
U505
1u
14 6 8 LM2904
X
11 7
A
5
VAG
4
15 C5003
Y
10 R5065
47u
B
6.2K
4
Z
9
C
C5087
120P
R5019
200K
C5048
R5055
100n
U505
10.K
2 8 LM2904
1
3
4
VAG
R5066
B+ 1K
C5076
120.p
R5017 R5018
C5082
1.5 1.5
120.p
0609887C05
0609887C05
C5049
100n
C5021 C5080
U502 120.p
100.n
TDA1519C
DNP
R5016
FILT_SW_B+
1.M 9 4
INV OUT1
1
NINV
3
RR
8 6
M_SS OUT2
R5041
24.K
C5072 C5073
120.p 120.p
R5051
12.K
C5002
47u
C5097
220.p
Q501
Circuitos de CC y de audio UHF1 (403-440 MHz) (hoja 2 de 2)
4-15
C5079
120.p
RX_AUDIO_OUTPUT_ACCESS_CONN
R5086
560.
R5087
100.K
16.8MHz
MOD_OUT
HANDSET_RX_AUDIO_CH
L501
1019447
SPKR+
SPKR-
L502
1019447
C5098
220.p
C5099 C5100
220.p 220.p
73D02968C74-O
SHEET 7 OF 8