Motorola PRO3150 Manual De Servicio página 150

4-98
UNSWB+
F501
3A
SWITCH
S502 1
MECH_SWB+
4 5
TAB2
C502
CR501
7
0.47uF
TAB1
VR439
6
10V
3 2 1
R507
0
Vdda
VOL
C505
100pF
SWB+
VR501
6.8V
Q502 IMX1
4 1
2
RED_LED
3 6
R501 R502
680 180
CR503
1 3
2 4
Figura 4-56. Diagrama esquemático de controles y conmutadores de VHF (136-174 MHz) (tarjeta de circuito impreso nº 8480675Z03)
B501
2
POS
3
NEG
C503 C500
1
RSSI_FIL
1000pF L505
100pF
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 PC3
C0 C0
C1
C1
GND GND1
7 9
C511
C512 C513 C514
100pF 100pF 100pF
100pF
PB501
SWITCH
2 1
SB1
C521
VR440
.01uF
6.8V
J407
PB504
SWITCH
2 1
PTT
VR444
6.8V
PB502
SWITCH
1
2
SB2
C522
.01uF
VR441
6.8V
Q506
5V
8
ANT_BIAS
C526 C527
C525 C528
1000pF 100pF
100pF 1000pF
1 C508 C509 C477
M1
100pF
1000pF 100pF
3
M3
2
M2
SCI
S1 7
6
S3
5
S4
4
S2
C530
1000pF
1000pF
C446
C531
.022uF
C529
1000pF
C520 C454 C455
C499 C518
1000pF
100pF 470pF 1000pF
100pF
C515 C523 C524
0.1uF 100pF 1000pF
R510
10K
VR431
6.8V
SPP
SPN
C516
VR451 C517
VR450
1000pF 1000pF
10.0V
10.0V
INT_SPN
C501 C478
C504
1000pF
100pF
1000pF
MIC
3 3
2 2
VR432 VR433
C498 C519 10V
10V
100pF 1000pF
1 1
ZMY0130312-D
INT_MIC