Motorola Astro XTL 1500 User Manual

Schematics, Component Location Diagrams, and Parts Lists: HUD4022A (VHF) Main Board 7-31
6815854H01-A June 15, 2005
Figure 7-23. HUD4022A Controller Power Control (Sheet 1 of 2)
REVERSE_POWER
FORWARD_POWER
VTEMP
VCURRENT
A+
VCONTROL
1%
1%
1%
1%
1%
1%
1%1%
1%
1%
1%
1%
TO SHEET 2
73D02970C73-O
SHEET 7 OF 23
AD_EN
TX_DISABLE
LOOP_DISABLE
*C0924*
.047uF
6.2
*R0917*
680
*R0916*
9.3V_TX
1K
R0915
100pF
C0922
100pF
*C0923*
*R0948*
1K
*D0954*
0
R0935
4.7K
*R0933*
R0932
*R0946*
0
100K
C0957
0.1uF
10K
R0998
10K
R0999
VCC3
1.2K
R0997
10K
R0996
20K
R0960
D
G
S
*R0992*
100K
Q0955
3.9K
R0994
1.2K
R0995
*R0986*
0
R0985
0
0
R0984
0
*R0980*
0
R0979
0
R0987
0
R0953
0
R0950
TP0942
TEST_POINT
1
4.7uF
C0945
8.2K
9.3V_TX
20K
*R0942*
*R0943*
10K
R0944
*R0945*
33K
5
VCC
VCC2.85
0.1uF
C0944
2
1
4
U0963
PWR_GND
3
GND
VCC3
NC7SZ125
U0963
C0936
0.1uF
1
2
4
PWR_GND
U0954GND
3
VCC
5
10
VIN7
11
VIN8
1
VREF
U0954
MC74VHC1G00
14
TFS
20
VDD
3
VIN1
5
VIN2
6
VIN3
7
VIN4
8
VIN5
9
VIN6
4
AGND
19
CONVST
2
CREF
13
DGND
17
DIN
16
DOUT
15
RFS
18
SCLK
S
AD7812
U0953
12
A0
4
Q0954
D
G
MC74VHC1G00
U0958
1
2
C0979
9.3V_TX
VCC3
C0980
0.1uF
0.1uF
D0952
1
0.1uF
C0974
TP0958
TEST_POINT
1
TP0952
TEST_POINT
1
TP0956
TEST_POINT
1
1
TP0953
TEST_POINT
TP0955
TEST_POINT
1
TP0954
TEST_POINT
1
TP0961
TEST_POINT
1
TP0964
TEST_POINT
1
TP0963
TEST_POINT
1
TP0962
TEST_POINT
1
*Q0953*
TP0960
TEST_POINT
U0958
PWR_GND
3
GND
5
VCC
VCC3
13
12
14
4
11
9.3V_TX
MC33204
U0955
2
3
1
4
11
LMC6484
U0956
MC33204
U0955
13
12
14
4
11
MC33204
U0955
9
10
8
4
11
MC33204
U0955
6
5
7
4
11
0
R0966
0
R0965
C0976
100pF
C0963
100pF
C0964
100pF
C0965
100pF
VCC3
C0966
100pF
6
5
7
4
11
VCC3
VCC3
9.3V_TX
9.3V_TX
VCC3
9
10
8
4
11
MC33204
U0957
TP09591
MC33204
U0957
TEST_POINT
TEST_POINT
TP0957
1
C0959
0.1uF
*C0962*
9.3V_TX
24K
100pF
R0963
2
3
1
4
11
R0964
24K
100pF
U0956
LMC6484
3
W1
4
W2
7
C0983
CS1
1
CS2
10
GND
8
INC
9
L1
5
L2
6
U_D
2
VDD
10K
U0952
MAX5452
10K
R0968
R0978
10K
*R0969*
*R0976*
1K
56K
R0989
10K
R0988
12
14
4
11
5.1K
R0990
U0957
MC33204
13
2.7K
R0981
1K
R0983
2
3
1
4
11
100K
R0982
U0957
MC33204
10K
R0991
10K
R0975
10K
R0974
1uF
C0973
*R0977*
100
8
4
11
C0972
0.1uF
U0956
LMC6484
9
10
D0951
D0950
*R0972*
10K
10K
100pF
C0970
*R0971*
100pF
C0969
*C0971*
C0978
100pF
C0975
100pF
100pF
C0968
100pF
100pF
*C0967*
*R0973*
12K
24K
*R0970*
9.3V_TX
9.3V_TX
9.3V_TX
9.3V_TX
VCC3
7
4
11
A+
U0956
LMC6484
6
5
R0967
VCC3
100K
100K
100K
R0962
0.1uF
VCC3
VCC3
R0961
C0961
C0960
0.1uF
PWR_RANGE
RFPA_CNTRL
EEPOT_5_CS*
PA_EN
VFORWARD
VTEMP
VCURRENT
VREVERSE
MISOA
EEPOT_4_CS*
47K
47K

Motorola Astro XTL 1500 Specifications

General

Brand	Motorola
Model	Astro XTL 1500
Category	Radio
Language	English