Motorola ASTRO Digital XTL 5000

Schematics, Component Location Diagrams, and Parts Lists: HUD4022A/HUD4025B (VHF) Main Board 7-9
6881096C74-B May 25, 2005
Figure 7-7. HUD4022A/HUD4025B Controller Power Control (Sheet 2 of 2)
BATTERY CONNECTOR
9.3V REGULATOR
9.3V_TX_ REGULATOR
1%
1%
1%
1%
1%
1%
1%
1%
TO SHEET 1
*R0937*
30K0
*R0936*
100100
R0924
VCC5
R0923
1
Q0960
1
C0998
100pF
C0997
68pF
LOOP_DISABLE
1K
R0934
470pF
*C0921*
A+
*R0913*
0.1uF
C0920
130K
12K
*R0914*
VCC5
VCC5
*R0912*
3
1
TX_DISABLE
5
2
12K
LMV7219
U0965
4
12K
*R0911*
R0910
82K
A+
*C0952*
0.1uF
4
VOUT
5
*R0947*
0
U0951
LM2941T
ADJ
1
GND
3
ON_OFF
2
VIN
LM2941T
ADJ
1
GND
3
ON_OFF
2
VIN
4
VOUT
5
2.7
U0950
C0985
R0908
SW_A+
0.1uF
0.1uF
C0986
0.1uF
C0987
VCC3
0.1uF
C0984
VCC5
C0940
0.1uF
C0943
.01uF
C0942
1uF
VIN
1
VOUT
5
C0941
1uF
U0962
LP3985
BYPASS
4
GND
2
VEN
3
0.1uF
C0937
12
14
4
11
NC
NC
1
MC33204
U0960
13
TP0939
TEST_POINT
1
TP0937
TEST_POINT
1
TP0941
TEST_POINT
1
TP0936
TEST_POINT
1
TP0931
TEST_POINT
1
TP0938
TEST_POINT
1
1
TP0940
TEST_POINT
TP0951
TEST_POINT
1
TP0930
TEST_POINT
TP0950
TEST_POINT
1
15
OUTD
7
OUTE
8
OUTF
9
OUTG
TEMP_1*
10
OUTH
5
REF
12
SCLK
4
VDD
DIN
14
DOUT
3
GND
6
LDAC
2
OUTA
PWR_SET*
1
OUTB
CURR_LIM_SET*
16
OUTC
VCC3
MAX5259
U0959
CS
11
13
100pF
C0935
100pF
C0934
100pF
C0933
30K
*R0941*
0
*R0940*
*R0939*
30K
11
0
*R0938*
U0960
MC33204
9
10
VGBIAS_3*
8
4
U0960
MC33204
6
5
VGBIAS_2*
7
4
11
U0960
MC33204
2
3
VGBIAS_1*
1
VGBIAS_1
4
11
9.3V_TX
9.3V_TX
9.3V_TX
9.3V_TX
100pF
C0930
RX_FILT_1*
20K
R0930 R0931
EEPOT_PC_U_D*
EEPOT_PC_INC*
RX_FILT_1
10K
C0956
22uF
VGBIAS_3
C0951
1uF
100K
9.3V_TX9.3V
Q0951
R0955
1
2
3
6
7
8
4
5
SW_A+
Q0952
C0955
0.1uF
22uF
C0982
R0993
1.2K
K9.1V
VGBIAS_2
7.5K
R0954
MOSIA
DA_EN
0.1uF
C0981
C0954
K9.1V_EN
SCKA
C0950
0.1uF
J0950-2
2
0.1uF
1
2
J0950-1
1
VCC3
24V
VR0950
R0952
1.2K
R0951
7.5K
C0953
22uF
47K
47K
10K
10K
10K
10K