Motorola PRO3150 Manual De Servicio página 99

UNSWB+
mgc_comps
S502 1
MECH_SWB+
5
4
TAB2
CR501
7
C502
HIGH
0.47uF VR439
TAB1
10V
LOW 6
3 2 1
R507
0
Vdda
VOL
C505
6.8V
100pF
VR501
SWB+
Q502
4 1
2
RED_LED
3 6
R501 R502
680
180
CR503
1
2
ZMY0130312-D
F501
24V
3A
2
POS
3
NEG B501
C503 1
RSSI_FIL
C500
100pF
L505 2
1000pF
390nH
BATT_CODE
VR506
6.8V
Vdda
R505 C506 C507
100pF 1000pF
10K
IMX1
5
R506
Q505
47K
GREEN_LED
S501
SWITCH SWITCH
RTA3 1 PC0
RTA0
2
PC1
RTA1
PC2
3 4
RTA2
C0
C0
C1 C1
C511 C512 C513 C514
100pF 100pF 100pF
100pF
4
Figura 4-30. Diagrama esquemático de controles y conmutadores de rango 1 de UHF (403-470 MHz) (tarjeta de circuito impreso nº 8480672Z04)
PB501
SWITCH
2 1
SB1
VR440
C521
6.8V
.01uF
PB504
SWITCH
2 1
PTT
VR444
6.8V
PB502
SWITCH
J407
2 1
SB2
VR441
C522
6.8V
.01uF
8
PC3
GND GND1
7 9
Q506
5V
10K
47K
ANT_BIAS
4.7K
47K
C527 C528
C525 C526
100pF 1000pF
100pF 1000pF
Capítulo 4
C509 C477
C508
M1
1000pF 100pF
100pF
M3
M2
S1
S3
S4
S2
C446
.022uF
C520 C454 C499
C455 C518
1000pF 100pF 100pF 1000pF
470pF
C523 C524
C515
1000pF
0.1uF 100pF
R510
10K
VR431
6.8V
4-47
SPP
SPN
VR450 VR451
10.0V
10.0V
INT_SPN
C501 C478
C504
1000pF 100pF 1000pF
SCI
MIC
3 3
2 2
VR432 VR433
C498 C519
10V 10V
100pF 1000pF
1 1
INT_MIC