8415563H06 - Motorola GP344 Detailed Service Manual

UHF1 PCB and Schematic Diagrams
C525 C526 C527 C528 C529 C530
100pF 100pF 100pF 100pF 100pF 100pF
J200-1
J200-2
J200-3
J200-4
J200-5
J200-6
J200-7
J200-8
J200-9
J200-10
J200-11
J200-12
J200-13
J200-14
J200-15
J200-16
J200-17
J200-18
J200-19
J200-20
J200-21
J200-22
J200-23
J200-24
J200-25
J200-26
J200-27
J200-28
J200-29
J200-30
J200-31
J200-32
J200-33
J200-34
J200-35
J200-36
J200-37
J200-38
J200-39
J200-40
C539 C540 C541 C542 C543 C544
100pF 100pF 100pF 100pF 100pF 100pF
NU
NU NU NU NU
C531 C532 C533 C534 C535 C536 C537 C538
100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF
RSSI
R509
0
C555
100pF
R511
NU
0
R510
0
E104
IDCTR
E103
IDCTR
C545 C546 C547 C548 C549 C550 C551 C552 C553
100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF
NU
G
if
LI_ION
G
PTT
G
SB1
G
SB2
G
SB3
G
EMER
G
VOL
G
RED_LED
G
GREEN_LED
G
MECH_SWB+
G
RTA0
G
RTA1
G
RTA2
G
RTA3
G
RSSI
G
CLK
G
DATA
G
LVZIF_SEL
G
CSX
G
BATT_CODE
G
LI_ION
RF_JACK
G
DISC_OUT
G
SWB+
G
5V
G J101
Vdda
RF_JACK
1
G
16.8MHz
G 4 2
MODIN GND
G 3
SWB+
C141
L116
9.75nH NU
J102
ANTENNA_NUT
5
TAB5
2 4
TAB2 TAB4 A1
1 3
TAB1 TAB3 A2
A3
G
UNSWB+
D101 C140
NU
G
LOCK
G
RESET
G
NU
DACRX
C597 C598 C599
43pF 4.7pF 3.9pF
S502
G
MECH_SWB+ SWITCH
4 5
B503
VR439
TAB2
7 10V
1
B504 C502 CR501
0.47uF TAB1
6
2
3 1
R507
0
G
VOL
C505
6.8V
VR501 100pF
PB502
SWITCH
G 1 A1 B1 2
SB2
3 A2 B2 4
G
PTT
VR441
C522
.01uF 6.8V
G
SB3
P100
C523
.01uF
PB501
SWITCH
G 1 A1 B1 2
SB1
3 A2 B2 4
G
EMER
VR440
C521
6.8V
.01uF
R505
Q502
IMX1 10K
CR160
4 1
2 5
G
K1 RED_LED
R506
K2 Q505 47K
3 6
K3
R501 R502
680 180
CR503
1 3
2 4
S501
G SWITCH
RTA3
1
G PC0
RTA0
2
PC1
G 4 PC2 8
RTA1 PC3
C0 C0
C1 C1
G
RTA2
GND GND1
7 9
C511 C512 C513 C514
100pF 100pF 100pF 100pF
UHF1 (403-470MHz) Controls And Switches Schematic Diagram
3-33
RADIO_CODE
BATTERY_CONTACT
B501
L505
390nH
2
G
BATT_CODE DATA
1
NEG
BATT+ 3
F501
POS
24V
CONN_J
BATT-
1 2
C601 E102
C602
BLM21PG221SN1 VR506
24pF
100pF
6.8V
C600
4.7pF
C503
100pF
PB504
SWITCH
1 A1 B1 2
3 A2 B2 4
VR444
6.8V
PB505
SWITCH
1 A1 B1 2
3 A2 B2 4
VR443
C520
.01uF
6.8V
G
GREEN_LED

8415563H06