Motorola PRO3150 Manual De Servicio página 177

UNSWB+
F501
3A
SWITCH
1
MECH_SWB+ S502
4 5
TAB2
C502
CR501
7
0.47uF
TAB1
VR439
6
10V
3 2 1
R507
0
Vdda
VOL
C505
SWB+
VR501
100pF 100pF
6.8V
Q502
IMX1
4 1
2
RED_LED
3 6
R501 R502
680 180
CR503
1 3
2 4
B501
2
POS
3
NEG
1
C503 C500
RSSI_FIL
1000pF
100pF
L505 2
390nH
BATT_CODE
VR506
6.8V
Vdda
C506 C507
R505 100pF 1000pF
10K
5
R506
Q505
47K
GREEN_LED
S501
SWITCH
RTA3
1
RTA0 PC0
2
RTA1
PC1
4 PC2
RTA2
C0 C0
C1
C1
GND GND1
7
C511 C512 C513 C514
100pF
100pF 100pF 100pF
Figura 4-72. Diagrama esquemático de controles y conmutadores de rango 2 de UHF (450-527 MHz) (tarjeta de circuito impreso nº. 8485755Z01)
PB501
SWITCH
2 1
SB1
J407
C521
VR440
.01uF
6.8V
PB504
SWITCH
2 1
PTT
VR444
6.8V
PB502
SPP
SWITCH
2 1
SB2 SPN
C522
.01uF
VR441
6.8V
5V
ANT_BIAS
C523 C524 MIC
100pF 1000pF
J404
8
PC3
9
VR450
10.0V
1
S1
4
S2
2
S3
C508 C509
1000pF
100pF
Q503
3 4
C477 C501
10K
100pF 1000pF C504
C478
100pF 1000pF
47K
2
C515
4.7K 0.1uF
47K
1 6
R510
10K
SCI
1
S1
3
S2
4
S3
2
S4
C446
22000pF
C454
100pF
C455
C520
470pF C498
C499
1000pF
100pF
100pF
C518
1000pF
4-125
VR451
10.0V
INT_SPN
INT_MIC
VR431
6.8V
3 VR432 3
VR433
10V
10V
2 2
1 1
C519
1000pF
ZMY0130312-C