Figure 7-91. Hue4040A Controller Power Control Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
9.3V REGULATOR
TP0950
SW_A+ U0950 9.3V SW_A+
4 VIN 5
VOUT
2 ON_OFF 1
C0950 C0951 ADJ C0953
C0954 C0955
R0951
GND
R0923 7.5K
0.1uF 0.1uF 0.1uF
1uF 22uF
3
1%
100
R0952
1.2K
1%
A+
BATTERY CONNECTOR
J0950-1
1
VR0950
24V C0998
C0997
J0950-2
2
68pF 100pF
R0936
VGBIAS_1
0
9.3V_TX
4
1
U0960-1
TP0936
11
R0938
VGBIAS_2
0
9.3V_TX
6
4
7
TP0938
U0960-2
5
11
R0930 R0931
20K 10K
RX_FILT_1
NU NU
9.3V_TX R0940 R0941
VGBIAS_3
0 30K
C0937
NU
9.3V_TX
0.1uF
4 9
TP0940
C0935
8
13 U0960-3
4 10
100pF
C0930
14
11
U0960-4
12
TP0931
100pF
TP0930 11
NU
C0985
0.1uF
VCC5
U0962
VCC3
3 VEN
5
1 VIN
VOUT
4 BYPASS
C0940
C0941
GND
2
0.1uF 1uF C0943
.01uF
6881096C74-B
Q0952
9.3V_TX_ REGULATOR
TP0951
U0951 9.3V_TX 8
7
4 VIN
5 6
VOUT
5 3
2 ON_OFF 2
1 C0982
R0908 ADJ R0954 R0955 1
GND 4
2.7 R0924 7.5K
100K
22uF
3
100 1%
C0956
R0993
22uF
1.2K
1%
Q0951
K9.1V_EN
DA_EN
SCKA
MOSIA
R0937
30K
NU
2
C0933
3
100pF
TP0937
C0984
R0939
0.1uF
replace,1
30K
NU
PWR_SET*
*R0947*
0
C0934
100pF
TP0939
VCC3
C0987
C0981
0.1uF
0.1uF
U0959
4
VDD
PWR_SET 2
OUTA
CURR_LIM_SET
1
OUTB
VGBIAS_1 16 OUTC VCC3
TP0941 VGBIAS_2 OUTD
15
REF 5
VGBIAS_3
7 OUTE
CS 11
RX_FILT_1
8 LDAC 6
OUTF NC
9
TEMP_1
OUTG SCLK 12
C0986
TEMP_2 10
OUTH DIN 13
14
0.1uF NC DOUT
GND
3
VCURRENT
A+ VCC5
C0942
C0920
R0910
1uF
82K
0.1uF
C0921
1%
*R0911* 4 5
470pF
1
12K
NU U0965
3
1%
VCC5 2
*R0912*
12K *R0913*
1%
130K
1% VCC5
*R0914*
12K
Q0960
K9.1V
VCC3
TP0952
R0980
C0959
NU
0 R0984
0.1uF U0952
0
2
VDD
A1
6 CLK 10
W1
7 SDI
1
B1
8 CS 3
W2 R0985
9
EPOT_ENABLE* B2
GND
0
4
R0986 R0963
NU
0 24K
NU
9.3V_TX
R0964
24K 4
2
C0962 1
U0956-1
3
100pF
11
NU
VREVERSE
VCC3
VCC3
C0979
6 4
0.1uF C0963 7
U0955-2
5
100pF
11
VCC3
9
4
R0969
C0964 8
10 U0955-3
100pF Q0953 10K
11
PWR_RANGE NU
NU
*R0973*
12K
C0967
TP0960
100pF
NU
TP0961
VFORWARD
*C0952* R0981 R0982
0.1uF 2.7K 100K 9.3V_TX
NU
TP0959
9.3V_TX
9 4
8
U0957-3
4 10
2
C0975
1 11
U0957-1
3
100pF 11
R0998 R0997
10K 1.2K
1% 1%
R0999
10K
1%
TP0962
VTEMP
TP0963
TP0964
VCC5
VCC5
C0989
R0949
10K 0.1uF
NU NU
TX_DISABLE
4 5
1
R0957 U0967
3
R0956 2
10K
PWR_SET
NU
12K
NU
NU
C0990
NU
.033uF
R0958
NU
10K
R0934
LOOP_DISABLE
1K
U0954-1
1
4
2
AD_EN
R0965
VCC3
0
R0987
13 4
R0966 C0965 0
14
U0955-4
12
100pF
0 11
R0948
VCC3
A+
1K
NU
R0967
2 4
R0950 C0966
U0955-1
100K 3
0 R0968 100pF
11
1%
10K
D0954
1%
C0923
NU
TP0953
100pF
NU R0991
R0935
10K
R0953
0
LOOP_DISABLE
0
C0900 C0969
C0922
100pF
100pF
1000pF
D0950
*R0971*
NU R0970
24K 10K
NU 1%
*R0972* D0951
C0968 C0970
VCC3
9.3V_TX 4.7K
1% 100pF 100pF
6 4
7 R0974
U0956-2
5 10K
TP0958
11 TP0956
1%
R0978
10K
V_REF
R0975
10K
R0983 R0915 1%
C0957
1K 1K
0.1uF
D0952
S
R0960 C0983
G
Q0955
20K 100pF
TX_DISABLE
D
VCC3 R0996
R0946
PA_EN
10K
9.3V_TX
100K
*R0992* 1% U0957-2
R0994
10K 6 4
NU
C0976 7
3.9K
1%
5
100pF
11
R0995 VCC3
1.2K
1%
R0988 R0989
5
VCC
10K
56K
GND
9.3V_TX
3
13 4
R0990 TP0957
C0978
14
U0957-4
12
100pF 5.1K
11
R0959
V_REF
10K
Q0956
C0991
NU
NU
0.1uF
NU

Figure 7-91. HUE4040A Controller Power Control Schematic

7-137
VCC3
0.1uF
C0961
4.7uF
C0945
20
18
SCLK VDD
U0963-1
19
CONVST
16 2 4
17
DIN
DOUT
15
RFS
1 MISOA
14
C0960 TFS
2
CREF
1
VREF
0.1uF VCC3
U0953
12
A0
REVERSE_POWER
3
VIN1
5
FORWARD_POWER
VIN2
VTEMP 6
VIN3
VCURRENT 7
VIN4
A+ 9.3V_TX
8
VIN5
VCONTROL 9
VIN6
10
R0979 VIN7
11
VIN8
*R0942*
0
R0961
18K
R0962
100K
100K *R0943*
1
15K
R0944
10K
TP0954
*R0945*
33K
9.3V_TX
*C0924* 9.3V_TX
.047uF
TP0955
NU 13
4
C0980
14
C0972
12
0.1uF
9.3V_TX 11
0.1uF
U0956-4
9.3V_TX
*R0976*
*R0916*
1K
680
9 4
C0971 *R0977* NU *R0917*
8
U0956-3
10
100pF
100 RFPA_CNTRL
11 0
NU C0973
TP0942
1uF
*R0933*
4.7K
NU
D
R0932
1
Q0954
G
4
0 U0958-1
2
S
VCC3
C0974 C0936 VCC2.85
U0963-2
0.1uF 5 0.1uF 5
VCC
C0944 VCC
U0958-2 U0954-2
GND GND
0.1uF
3
3
May 25, 2005