Figure 9-278.900 Mhz Controls And Switches Schematic Diagram - Motorola HT Series Detailed Service Manual

900 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 8485910Z01)
MECH_SWB+
VOL
SB1
C521
.01uF
PTT
EMER
C520
.01uF
S502
5
4
7
C502 TAB2
C530
C526
0.47uF
6 10uF
68pF
TAB1
3 2 1
R507
0
VR501 C505
47pF
6.8V
Vdda
PB501
2 1
VR504
6.8V
PB504
2 1
VR507
6.8V
PB505
2 1
VR508
6.8V
UNSWB+
BATT_ID
F501
3A
VR502
C524
12V C525
CR501
C503
68pF
15pF
56pF
SWB+
Q502
4 1
C527 C528
2 5
68pF 68pF
RED_LED
Q505
3 6
R501
R502
680
180
CR503
3
1
2 4
RTA3
RTA0
RTA1
RTA2
C511 C512 C513 C514
47pF 47pF 47pF 47pF
RADIO_CODE
B501
DATA
5V
BATT-
NEG
BATTERY_CONTACT
POS
BATT+
CLK
Vdda
R505
10K
R506
GREEN_LED
47K
S501
1 PC0
2 PC1
4 PC2
8
PC3
C0 C0
C1
C1
GND GND1
7 9
Figure 9-278. 900 MHz Controls and Switches Schematic Diagram
9-455
CLK_2_SW
C531
C529
68pF
68pF
DATA_2_SW
DATA
RSSI_2_SW
RSSI
LVZIF_SEL_2_SW
LVZIF_SEL
DISC_2_SW
DISC
R5_2_SW
R5
RX_LO_2_SW
RX_LO
LO_TEST TP302
FL0830708O