Figure 4-56: Vhf (136-174 Mhz) Controls And Switches Schematic Diagram - Motorola PR860 Detailed Service Manual

Schematic Diagrams, Overlays, and Parts Lists: VHF Band Section
MECH_SWB+
C502
0.47uF
0.47uF
VOL
6.8V
6.8V
VR501
switch
o
switch
UNSWB+
mgc_comps SWITCH
S502
TAB2
7
100pF
TAB1
VR439
6
CR501
10V
12V
Vdda
C505
100pF
100pF
Vdda
SWB+
R505
Q502
IMX1 10K
IMX1 10K
4 1
2 5
RED_LED
Q505
3 6
R501 R502
680 180
680 180
CR503
1 3
2 4
F501
24V 24V
1 2
BATT_CODE
C503 C535
1000pF
1000pF
VR506
100pF
6.8V 6.8V
LI_ION
B503
B504
R506 47K
GREEN_LED
47K
S501
SWITCH
RTA3
1
RTA0
PC0
2
RTA1
PC1
4
RTA2
PC2
C0
C0
C1
C1
C511 C512 C513 C514
100pF 100pF
100pF 100pF 100pF 100pF 100pF 100pF
POS
NEG B501
DATA EMER
L505
390nH 390nH
C520
.01uF
.01uF
SB1
VR440 C521
.01uF
6.8V 6.8V .01uF
NU
PTT
VR444
6.8V 6.8V
NU
SB2
VR441
C522
8
PC3
.01uF
6.8V 6.8V .01uF
NU
SB3
VR442
C523
.01uF
6.8V 6.8V .01uF
NU
Figure 4-56: VHF (136–174 MHz) Controls and Switches Schematic Diagram
4-75
PB505
SWITCH
2 1
IN OUT
NC NC NC
PB501
SWITCH
2 1
IN OUT
NC NC NC
PB504
SWITCH
2 1
IN OUT
NC NC NC
PB502
SWITCH
2 1
IN OUT
NC NC NC
PB503
SWITCH
2 1
IN OUT
NC NC NC