Motorola CP150TM User Manual
Page 68
7-14
VHF (136-162 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486769Z02-A)
June, 2005
6880309N62-C
5 V (Rx)
0 V (Tx)
0 V (Rx)
5 V (Tx)
3.3 V (Rx)
0 V (Tx)
0 V (Rx)
3.3 V (Tx)
5 V
3.3 V
3.3 V
3 V
0 V (OFF)
7.5 V (ON)
0 V (OFF)
7.5 V (ON)
7.5 V (OFF)
0 V (ON)
0 V (OFF)
3.3 V (ON)
7.5 V
0 V (Tx)
0 V (Rx)
5 V (Tx)
5 V (Rx)
C313
.01uF
150pF
C323
U330
TK71730S
BYPASS
4
CTRL
3
GND
2
1
VIN
VOUT
5
.01uF
100
R506
C304
10uF
C312
C302
390pF
10uF
C334
F301
3A
5
C333
.01uF
U310
TK71750S
BYPASS
4
CTRL
3
GND
2
1
VIN
VOUT
R310
100K
VR302
MMBZ5250B
20V
C316
1200pF
100K
NC
3
1
2
R509
100K
R322
Q493
.01uF
C331
100
R507
Q311
330K
1%
R320
C321
10uF
C315
1200pF
5.1K
R313
20K
R312
5
3 HIGH
TAB1
6
TAB2
7
2
NC
S444
SWITCH
4
1
LOW
100K
R508
.01uF
C322
1
3
C303
33uF
Q494
2
6
4
.018uF
C320
Q313
390pF
C301
C306
.01uF
Q312
D301
D3_3V
R510
330K
1
.018uF
C311
NC
TP302
D3_3V
R321
1%
200K
C314
1200pF
20V
MMBZ5250B
VR301
100K
R311
J301
DATA
NEG
POS
OUTPUT
5
SENSE
6
SHUTDOWN
8
TAP
3
NC
LP2986
U320
ERROR
7
FEEDBACK
2
GND
1
INPUT
4
C305
100pF
D3_3V
SWB+
BATT_CHARGE
.01uF
C310
D3_3V
3V
RESET
VOLUME
ON_OFF
5T
USWB+
RX_ENA
5V
TX_ENA
5R
Figure 7-12. VHF (136-162 MHz) DC Regulation Schematic Diagram (8486769Z02-A)