Motorola APX 7000 Detailed Service Manual page 392

8-116
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
6800PF
.039UF
R759
680
R767
68
ANA_ADAPT_CHARGE_PUMP
IN
C760 C763 C765 C768 C770
.082UF .082UF .082UF .082UF .082UF
C783
1500PF
C759
R761
.22UF 220
R762
11K
RF_HP_MOD_OUT
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 8-54. MNUT4000A/C/E Frequency Generation Unit (VCO) Circuit – 2 of 2
DC_SUPER_FILTER_5V
C789
0.1UF C796
100PF
7 1
VTUNE POUT
DIG_CTRL_VTUR1 3 SEL1 4
NC
NC
DIG_CTRL_UR2 5 SEL2
Y704
ANA_VTUNE
V0225AZ
C769
309MHZ/379MHZ
.016UF
U708
SKY13251
4 V1 3
RF1
5 V2 6
RF2
8 V3 7
RF3
1
RFC
DC_SUPER_FILTER_5V
CGND
NC
C790
0.1UF
C793
100PF
7 1
VTUNE
POUT
4
DIG_CTRL_UT1 3 SEL1
NC NC
DIG_CTRL_UT2 5 SEL2
DC_LIN_1_5V
Y705
V0225AZ
415MHZ/485MHZ
DC_SUPER_FILTER_5V
C797
100PF
C794
C791
39PF
0.1UF
DNP
1
7
VTUNE POUT
DIG_CTRL_7T8R
3 SEL1 4
NC
NC
5 SEL2
DIG_CTRL_8T7R Y706
V0225AZ
U709
758MHZ/868MHZ
SKY13251
DNP
4 3
RF1 V1
5
6
RF2 V2
8 7
RF3 V3
1
RFC
CGND
DC_SUPER_FILTER_5V
C792
0.1UF C795
100PF
7 1
VTUNE
POUT
DIG_CTRL_VR
3 SEL1 4
NC NC
5 SEL2
DIG_CTRL_78T
Y707
V0225AZ
266MHZ/809MHZ
U710 U711
C804
SKY13251
SKY13251
100PF
3 V1 4 4
RF1 RF1
6 V2 5 5
RF2 RF2
NC
7 8 8
V3 RF3 RF3
1 RFC
NC CGND CGND
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 R811
390NH 39
C802 C814 C816 L817 R819
R809 270
.22UF 1000PF 33PF 390NH
5.6K
R807
22K
2 5 C820
Q712 Q712 R813 R705
220PF
BC858CD BC858CD 680 10
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/VHF
C831
100PF
Q714
NTZD3154N
1 6
2 5
NC
3 4
NC NC
V1 3
6
V2
7
V3
RFC 1
NC
DC_LIN_1_5V
L821 R832
15
390NH
C806
C838 C844
.22UF R827
1000PF 47PF
6.2K
R822
20K
Q703
2 Q703
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
390NH 560
C851 R848 C836
TL_TX_LO
220PF 15 47PF
OUT
R701
100
Q842
NE662M04
3
TP780
TEST_POINT
RF_PRESCALAR
OUT