Motorola PRO3150 Manual De Servicio página 203

UNSWB+
mgc_comps
S502
1
MECH_SWB+ G
4 5
C500
TAB2
C502
VR439 1000pF
7
C503
0.47uF
TAB1 100pF
6
BATT_CODE
1
3 2 10V
CR501
R507
0
Vdda
G
VOL
C505 Vdda
6.8V
100pF
SWB+
VR501
R505
10K
Q502
IMX1
4 1
2 5
RED_LED G
Q505
3 6
R501
R502
RTA3
680
180
RTA0
CR503 RTA1
3
1
RTA2
4
2
PB501
SWITCH
B1
1 A1 2
SB1
G
B2
3 A2 4
F501
3A
VR440
C521
6.8V
B501
.01uF
2
POS
PB504
3
NEG
SWITCH
1
RSSI_FIL
2
L505
1 A1
B1 2
PTT G
3 A2 4
390nH B2
VR506 VR444
6.8V
6.8V
PB502
SWITCH
1 A1 2
B1
SB2 G
3 A2 4
B2
VR441
C522
6.8V
.01uF
C506 C507
1000pF
100pF
R506
G GREEN_LED
47K
S501
SWITCH
G
1
G PC0
2
PC1
G
8
4
PC2
G PC3
C0
C0
C1 C1
C511 C512 C513 C514
GND GND1
9
100pF 100pF 100pF 100pF 7
G DUMMY
Figura 4-90. Diagrama esquemático de controles y conmutadores de rango 2 de UHF (450-527 MHz) (tarjeta de circuito impreso nº. 8485755Z04)
J407
1
M1
M3 3
M2 2
7
S1
6
S3
S4 5
4
S2
C529
1000pF
C530
1000pF
C454
C520
100pF
1000pF
Q506
5V G
C523 C524
C515
100pF 1000pF
0.1uF
ANT_BIAS G
C528
C525 C526 C527
1000pF R510
100pF 1000pF 100pF
10K
C516
1000pF
C517
VR451
VR450
1000pF
10.0V 10.0V
G INT_SPN
C508 C509 C477 C501
C504
100pF 1000pF 100pF 1000pF
C478 1000pF
100pF
SCI
G MIC
C446
.022uF
C531
1000pF
3 3
2
2 VR433
10V
1 1
C498 C519 VR432
C499 C518
C455
100pF 1000pF 100pF 1000pF 10V
470pF
ZMY0131097-O
G INT_MIC
VR431
6.8V
4-151
G SPP
G SPN