Motorola PRO Elite Serie Manual De Servicio página 113

Tarjeta de circuito de UHF banda 2, esquemas eléctricos y lista de partes
PTT PTT
SB1
SB1
SB2
SB2
SB3 SB3
EMER
EMER
VOL VOL
RED_LED
RED_LED
GREEN_LED
GREEN_LED
MECH_SWB+ MECH_SWB+
RTA0
RTA0
RTA1 RTA1
RTA2
RTA2
RTA3
RTA3
RSSI RSSI
CLK
CLK
DATA DATA
LVZIF_SEL
LVZIF_SEL
CSX
CSX
BATT_CODE BATT_CODE
LI_ION
LI_ION
DEMOD
DEMOD
SWB+
SWB+
5V
5V
Vdda Vdda
16.8MHz
16.8MHz
MODIN
MODIN
UNSWB+ UNSWB+
LOCK
LOCK
RESET RESET
DACRX
DACRX
ZMY0130797-O
C538 C537 C536
100pF 100pF 100pF
PTT
SB1
SB2
SB3
EMER
VOL
RED_LED
GREEN_LED
MECH_SWB+
RTA0
RTA1
RTA2
RTA3
RSSI
CLK
DATA
LVZIF_SEL
CSX
BATT_CODE
R509
NU
LI_ION
C555
100pF
DEMOD
SWB+
5V
Vdda
16.8MHz
MODIN
R511
NU
SWB+
R510
0
UNSWB+
LOCK
RESET
DACRX
C553 C552 C551 C550
100pF 100pF 100pF 100pF
C535 C534 C533 C532 C531 C530
100pF 100pF 100pF 100pF 100pF 100pF
C548 C545 C544
C549 C547 C546
NU 100pF 100pF 100pF 100pF
100pF
Figura 8-3. Diagrama esquemático de controles y conmutadores de UHF banda 2
C529 C528 C527 C526 C525
100pF 100pF 100pF 100pF 100pF
J200
J200-1
J200-2
J200-3
J200-4
J200-5
J200-6
J200-7
J200-8
J200-9
J200-10
J200-11
J200-12
J200-13
J200-14
J200-15
J200-16
J200-17
J200-18
J200-19
J200-20
J200-21
J200-22
J200-23
J200-24
J200-25
J200-26
J200-27
J200-28
J200-29
J200-30
J200-31
J200-32
J200-33
J200-34
J200-35
J200-36
J200-37
J200-38
J200-39
J200-40
C543 C542 C541 C540 C539
NU NU NU NU NU
8-3