Figure 9-85. Uhf Controls And Switches Schematic Diagram For - Motorola HT Series Detailed Service Manual

UHF Band 1 Circuit Board/Schematic Diagrams and Parts List (PCB 8415234H01, 8415234H02, 8415234H05, 8415234H08)
4
MECH_SWB+
G if
LI_ION B503
B504
G
VOL
6.8V
VR501
G
SB1
G
SB2
P100
G
SB3
RF_JACK
J101
RF_JACK
1
2
GND
3
C141
L116
9.75nH NU
J102
ANTENNA_NUT
CR160
5
TAB5
2 4
TAB2 TAB4 A1 K1
1 3
TAB1 TAB3 A2 K2
A3 K3
C140
NU
G
RTA3
G
RTA0
G
RTA1
G
RTA2
C598
4.7pF
UNSWB+
C597
C599
43pF
3.9pF
S502
G
SWITCH
4 5
VR439 C503
TAB2 10V
100pF
7
1
C502
CR501
0.47uF TAB1 C601
6
100pF
2
3 1
C602
24pF
R507
0
(The part no used
C505
in BOM is 2113743N41)
100pF
Vdda
PB501
SWITCH
2 1
IN OUT
VR440
C521
.01uF 6.8V
PB502
SWITCH
NC NC NC
2 1
IN OUT
VR441
C522
.01uF 6.8V
PB503
SWITCH
NC NC NC
2 1
IN OUT
VR442
C523
.01uF 6.8V
PB504
SWITCH
NC NC NC
2 1 2
G G
PTT EMER
IN OUT IN
C520 VR443
VR444
.01uF
6.8V
6.8V
NC
NC NC NC
Vdda
SWB+
R505
Q502
10K
IMX1
4 1
2 5
G
RED_LED
R506
Q505
47K
3 6
G
GREEN_LED
R501 R502
680 180
CR503
1 3
2 4
S501
SWITCH
1
PC0
2
PC1
4 PC2 8
PC3
C0 C0
C1 C1
GND GND1
7 9
C511 C512 C513 C514
100pF 100pF 100pF 100pF
Figure 9-85. UHF Controls And Switches Schematic Diagram for (403-470MHz for 8415234H05)
RADIO_CODE
B501
L505
BATTERY_CONTACT
390nH
G 2
BATT_CODE DATA
1
NEG
E102 BATT+ 3
F501
POS
BLM21PG221SN1
24V
CONN_J
BATT-
1 2
VR506
6.8V
C600
4.7pF
PB505
SWITCH
1
OUT
NC NC
9-111