Motorola PRO3150 Manual De Servicio página 162

4-110
UNSWB+
S502
mgc_comps
MECH_SWB+
4 5
TAB2
C502
7
0.47uF
TAB1
6
3 2 1
CR501 VR439
10V
R507
0
Vdda
VOL
C505
100pF
6.8V SWB+
VR501
IMX1
4 1
2 5
RED_LED
3 6
R501 R502
680 180
CR503 3
1
2
4
Figura 4-64. Diagrama esquemático de controles y conmutadores de VHF (136-174 MHz) (tarjeta de circuito impreso nº 8480675Z04)
SB1
VR440
F501
6.8V
3A B501
1 2
POS
3
NEG
C500
C503
1
RSSI_FIL
1000pF
100pF
2
L505
PTT
390nH
BATT_CODE
VR444
6.8V
VR506
6.8V
SB2
VR441
6.8V
Vdda
C506
C507
R505
100pF
1000pF
10K
Q505
R506
GREEN_LED
47K
S501
SWITCH
RTA3
PC0
1
RTA0
PC1
2
RTA1
PC2 8
4
RTA2
PC3
C0
C0
C511 C513
C1
C1
100pF 100pF
GND GND1
7 9
C514
C512
100pF
100pF
DUMMY
PB501
SWITCH
1 A1 2
B1
3 A2 4
B2
C521
.01uF
PB504
SWITCH
1 A1 2
B1
3 A2 4
B2
PB502
SWITCH
1 A1 2
B1
3 A2 4
B2
C522
.01uF
5V
ANT_BIAS
C525 C526 C527 C528
100pF 1000pF 100pF 1000pF
J407
C508 C509
100pF 1000pF
M1 1
C477
100pF
3
M3
2
M2
SCI
S1 7
S3 6
S4 5
S2 4
C446
.022uF
C531
C529 C530
1000pF
1000pF
1000pF
C520 C454
1000pF 100pF
C455
C499 C518
100pF 1000pF
470pF
Q506
C515 C523 C524
0.1uF 100pF 1000pF
R510
10K
VR431
6.8V
SPP
SPN
C516
C517
1000pF
1000pF
VR450 VR451
10.0V 10.0V
INT_SPN
C501 C478 C504
1000pF
1000pF 100pF
MIC
VR432
10V
3 3
2 VR433
2
10V
1 1
C498 C519
100pF 1000pF
INT_MIC
ZMY0131098-O