Motorola EM200 Serie Manual De Servicio página 469

4-6
FILT_SW_B+ D3_3V
FILT_SW_B+ D3_3V
Circuito principal 25-40 W UHF3 (465-495 MHz) (hoja 1 de 2)
TX_EN SPI_CLK SPI_MOSI
SPI_MISO
RX_EN
LOC_DIST
RSSI
SYNTH_CS
SYNTH_LOCK
ASFIC_CS
CH_ACT
SQ_DET
LSIO
HSIO
F1200
uP_CLK
DIGITAL
VS_AUDIO_SEL
RESET
VS_INT
VS_RAC
VS_CS
VS_GAIN_SEL
OPT_EN_OPBD
OPT_DATA_R_OPBD
DISPLAY_CS_CH
SHIFT_R_CS
COMM_DATA_SEL_CH
KEYPAD_COL_CH
KEYPAD_ROW_CH
SCI_CH
BOOT_EN_IN_CH
MIC_PTT_CH
HOOK_CH
C603 C604 C605
39.p 39.p 39.p
VOL_INDIRECT
VSTBY
ONOFF_SENSE
EMERGENCY_SENSE
VOX
BATT_SENSE
Accessory Connector
EXT_ALARM_OUT PROG_O-ACC_C_4
PROG_I-ACC_C_3
EXT_MIC_PTT
PROG_I-ACC_C_6
PROG_IN
R615 100.
PROG_IO-ACC_C_8
PROG_I/O
PROG_IO-ACC_C_12
PROG_I/O
PROG_IO-ACC_C_14
PROG_I/O
C633 C632
39.p 39.p
Place capacitors near J2
Esquemas eléctricos de la tarjeta de circuito impreso 8486577U01 del radio UHF 25-40 W banda 3
17 J3-17 SERIAL CLOCK VOICE STORAGE AUDIO SELECT
16 J3-16 SERIAL DATA SEND
15 J3-15 SERIAL DATA RETURN
2 J3-2 VOICE STORAGE INT
Option Board Connector
1 J3-1 VOICE STORAGE RAC
28 Pins Connector
6 J3-6 VOICE STORAGE CS
3 J3-3
VOICE STORAGE GAIN SELECT
NC ELP ONLY 7 J3-7 KEYPAD ROW POST-LIMITER FLAT TX AUDIO RETURN
18 J3-18 OPTION BOARD ENABLE
19 J3-19 DATA READY/REQUEST
9V
10 J3-10
R604 0 NC ELP ONLY DISPLAY DRIVER CHIP SELECT
8 J3-8 DISPLAY_DRIVER_RECOMMEND_/DATA_SEL
NC ELP ONLY 5 J3-5 KEYPAD COLUMN
DNP
13 J3-13
PUSH TO TALK
9.3V
1 J2-1 DISPLAY_DRIVER_CS_EN D3_3V
6 J2-6 HANDSET_RX_AUDIO
SHIFT_REG_CS
3 J2-3
DISPLAY_DRIVER_COMMAND/DATA_SEL
9 J2-9 KEYPAD_COLUMN MIC_AUDIO
8 J2-8 KEYPAD_ROW
17 J2-17
SCI_PROGRAMMING
5 J2-5 SPKR-
SPI_MOSI
10 J2-10 BOOT/RESET SPKR+
J2-21 J2-22
G1 G2
DISPLAY_DRIVER_RESET
16 J2-16 MIC_PTT SPI_CLK
13 J2-13 HOOK GND
GND
Control Head Connector
C606 C607 C608 C609 C610 C611 C612
39.p 39.p
39.p 39.p 39.p 39.p 39.p
DNP DNP
Place capacitors near J2
P1-1 1
4 P1-4 P1-16 16
3 P1-3 P1-2 2
6 P1-6 P1-10 10
P1-5 5
8 P1-8 P1-11 11
12 P1-12 P1-13 13
R602 0
14 P1-14 P1-1515
7 P1-7 P1-9 9
Accessory Connector
C631 C630 C629 C628
39.p
39.p 39.p 39.p
VR699 VR698
VR697 VR696 VR695
20.0 20.0 20.0
20.0 20.0
J3 - DNP
D3_3V 3V
J3-4 4
DIGITAL 3.3 VOLT SUUPPLY J3-12 12
0 R603
ANALOG 3 VOLT SUPPLY J3-21 21
DNP
RESET J3-14 14
EXTERNAL_MIC J3-22 22
TX AUDIO SEND J3-28 28
TX AUDIO RETURN J3-26 26
J3-24 24
DETECTER AUDIO SEND J3-27 27
UNMUTED RX AUDIO SEND J3-25 25
J3-23 23
RX AUDIO RETURN
BACKLIGHT J3-9 9 NC ELP ONLY
GND J3-20 20
GND J3-11 11
9V D3_3V
J2-12 12
J2-7 7
J2-18 18
J2-15 15
J2-20 20
J2-19 19
J2-2 2
J2-4 4
J2-11 11
J2-14 14
C602 C613 C614 C615 C616 C617 C618 C619
39.p 39.p 39.p
39.p 39.p 39.p 39.p 39.p
DNP
Place capacitors near J2
R600
0.
FILT_SW_B+
R601 330.0
R610
1
220.
C662 C624 C627 C626 C625 C623 C622 C621 C620 C678
39.p 39.p 39.p 39.p 39.p 39.p 39.p 100.n
39.p 39.p
Place capacitors near J2
VR693 VR692
33.
20.0
VR694
20.0