Motorola APX 7000 Detailed Service Manual page 330

8-54
TP853
TEST_POINT
DC_LIN_1_5V
IN
DC_SUPER_FILTER_5V
IN
DC_LIN_5V
IN
DIG_CTRL_TR
IN
DIG_CTRL_E
IN
DIG_CTRL_G
IN
DIG_CTRL_F
IN
DIG_CTRL_C
IN
DIG_CTRL_B
IN
DIG_CTRL_VTUR1
IN
DIG_CTRL_UR2
IN
DIG_CTRL_UT1
IN
DIG_CTRL_UT2
IN
R764
1.2K
ANA_CHARGE_PUMP
IN
C762 C766
.039UF
6800PF
R759
680
R767
68
ANA_ADAPT_CHARGE_PUMP
IN
C760 C763 C765 C768
.082UF .082UF .082UF .082UF
C783
1500PF
C759 R761
.22UF 220
R762
RF_HP_MOD_OUT 11K
IN
DIG_CTRL_7T8R
IN
DIG_CTRL_8T7R
IN
DIG_CTRL_VR
IN
DIG_CTRL_78T
IN
DIG_CTRL_D
IN
DIG_CTRL_H
IN
DIG_CTRL_A
IN
Figure 8-33. MNUS4000A/C/E Frequency Generation Unit (VCO) Circuit – 2 of 2
DC_SUPER_FILTER_5V
C789
C796
0.1UF
100PF
7 1
VTUNE POUT
DIG_CTRL_VTUR1 SEL1 4
3
NC NC
DIG_CTRL_UR2 SEL2
5
Y704
ANA_VTUNE
C769 V0225AZ
.016UF 309MHZ/379MHZ
U708
SKY13251
4 3
RF1 V1
5 V2 6
RF2
8 V3 7
RF3
1
RFC
DC_SUPER_FILTER_5V CGND
NC
C790
0.1UF C793
C770
100PF
.082UF 7 1
VTUNE POUT
DC_LIN_1_5V
DIG_CTRL_UT1 3 SEL1 4
NC
NC
DIG_CTRL_UT2 5 SEL2
Y705
V0225AZ
415MHZ/485MHZ
DC_SUPER_FILTER_5V
C791
C797
0.1UF
100PF
C794
39PF
1
7
VTUNE POUT
DIG_CTRL_7T8R
3 SEL1 4
NC NC
5 SEL2
DIG_CTRL_8T7R
Y706
V0225AZ
U709
758MHZ/868MHZ
SKY13251
4 V1 3
RF1
5 V2 6
RF2
8 7
V3
RF3
RFC 1
CGND
NC
DC_SUPER_FILTER_5V
C792
C795
0.1UF
100PF
7 1
VTUNE POUT
DIG_CTRL_VR SEL1
3 4
NC
NC
5 SEL2
DIG_CTRL_78T
Y707
V0225AZ
266MHZ/809MHZ
U710 U711
C804
SKY13251
SKY13251
100PF
4
3 V1 4
RF1 RF1
6 V2 5 5
RF2 NC RF2
7 V3 8 8
RF3 RF3
1
RFC RFC
CGND
CGND
NC NC
RF_ESCORT
OUT
C799
100PF
C805
100PF
C801
6.8PF
RF_ESCORT_DIV2_NONINV R710
200
IN
L802
C798
NC
33NH
1000PF
C800 C803
R709 R711
22PF 22PF
68 68
L806
390NH
R811
39
C802 R819
C814 C816 L817
.22UF R809 270
1000PF 33PF 390NH
5.6K
R807
22K
2 5 C820
Q712 Q712 R813 R705
BC858CD 680 220PF 10
BC858CD
R808
C701 R812
C813
82K
220PF 82
1PF
Q713
NE662M04
R818
4
8.2
3
C810 R815
220PF
24 C704
62PF
DC_LIN_1_5V
L701
R773 390NH
5.6K
C775 C777
C771
R772 1000PF
33PF
100PF
33
2 Q774
NE68519
R776
39
R778
180
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/700–800 MHz
C831
100PF
Q714
NTZD3154N
1 6
2 5
NC
3 4
NC NC
V1 3
V2 6
7
V3
1
DC_LIN_1_5V
R832
L821
15
390NH
C806 C838 C844
.22UF R827
1000PF 47PF
6.2K
R822
20K
Q703
Q703
2 5
BC858CD
BC858CD
R823
56K
C702
R833
220PF
100
C830 R840
220PF 15
4
C709
220PF
R708
100
C779
100PF
R713
10
TL_RX_LO
OUT
R712 R714
560 560
L846 R849
560
390NH
C851
R848 C836
TL_TX_LO
220PF 47PF
15
OUT
R701
100
Q842
NE662M04
3
TP780
TEST_POINT
RF_PRESCALAR
OUT