Motorola GP344 Detailed Service Manual page 306

3-48
G if
LI_ION B503
B504
G
VOL
SB2
SB3
P100
SB1
G
RTA3
G
RTA0
G
RTA1
G
RTA2
UHF1 Controls And Switches Schematic Diagram (Sheet 2 of 2)
8471441L01
C597 C598 C599
6pF 4.7pF 3.9pF
S502
G
MECH_SWB+ SWITCH
4 5
VR439
TAB2
C602
7 10V
1
C502
CR501 24pF
0.47uF TAB1
6
2
3 1
R507
0
C505
6.8V
VR501 100pF
PB502
SWITCH
1 B1 2
G A1
3 B2 4
A2 G
PTT
VR441
C522
.01uF 6.8V
G
C523
.01uF
PB501
SWITCH
1 A1 B1 2
G
3 A2 B2 4
G
EMER
VR440
C521
C520
6.8V
.01uF
.01uF
R505
Q502
IMX1 10K
4 1
2 5
G
RED_LED
R506
Q505
47K
3 6 G
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
RADIO_CODE
B501
L505
BATTERY_CONTACT
390nH
G 2
BATT_CODE DATA
1
NEG
BATT+ 3
F501
POS
24V
CONN_J
BATT-
1 2
C601 E102
BLM21PG221SN1 VR506
100pF
6.8V
C600
4.7pF
C503
100pF
P3501
PB504
SWITCH
1 B1 2
A1
3 B2 4
A2
VR444
6.8V
PB505
SWITCH
1 A1 B1 2
3 A2 B2 4
VR443
6.8V
SH100
GREEN_LED
SHIELD
1
HF SHIELD
L101
17.02nH
C101
C102
100pF
7.5pF
RF_JACK
M1001
M1002
M1003
M1004
M1005
RF_JACK
CR160 NU
A1 K1
A2 K2
A3 K3
D101
NU
ANT_BIAS
C108
L105
100pF
390nH
G
TX_OUT
CR101
L102 L104
17.02nH
19.61nH
G
RX_IN
CR102
1
C103 C104 C106 C107 2
13pF 8.2pF 4.7pF 3.3pF
3
R170
C175 240
20pF
R101
240
UHF1 PCB and Schematic Diagrams