Motorola PRO3150 Manual De Servicio página 113

UNSWB+
SWITCH
mgc_comps
S502
MECH_SWB+
C500
TAB2
1000pF
C502 7 VR439
TAB1 10V
0.47uF
C503
6
100pF
CR501
R507
0
Vdda
VOL
6.8V C505
VR501
100pF SWB+
IMX1
4 1
2 5
RED_LED
Q505
3 6
R501 R502
680 180
CR503
1 3
2 4
DUMMY
SB1
F501
24V
C521
B501 VR440
3A
.01uF .01uF
6.8V
1 2
POS
3
NEG
1
RSSI_FIL
2
L505
BATT_CODE
PTT
390nH
VR444
6.8V
VR506
6.8V
SB2
VR441
6.8V
Vdda
R505 C506 C507
100pF
10K 1000pF
R506
47K
GREEN_LED
S501
SWITCH SWITCH
RTA3
1
PC0
RTA0
2
PC1
RTA1
4 PC2
RTA2
C0 C0
C512
C1C1
VR453 C514
100pF 100pF
VR452 GND GND1
12.0V
C511 7
C513
100pF
100pF
100pF
12.0V
C525
100pF
Figura 4-39. Diagrama esquemático de controles y conmutadores de rango 1 de UHF (403-470 MHz) (tarjeta de circuito impreso nº 8480672Z06)
PB501
SWITCH
1 A1 B1 2
3 A2 4
B2
PB504
SWITCH
1 A1 2
B1
3 A2 4
B2
PB502
SWITCH
1 A1 B1 2
3 A2 4 J407
B2
M1
C522
M3
.01uF .01uF
M2
S1
S3
S4
S2
C520
C454
8 1000pF 100pF
PC3
9
Q506
5V
C523
100pF
ANT_BIAS
C515
0.1uF
C528
C526 C527
1000pF 100pF
1000pF
VR450 VR451
10.0V
10.0V
C478 C504
C477 C501
C509
C508
1000pF 100pF 1000pF 100pF 1000pF
100pF
SCI
C446
.022uF
3
2
VR432
C455 C499 C518 C498 C519
10V
470pF 100pF 1000pF 100pF 1000pF
1
C524
1000pF
ZMY0131096-O
R510
10K
INT_MIC
VR431
6.8V
4-61
SPP
SPN
INT_SPN
MIC
3
2
VR433
10V
1