Motorola APX 7000 Detailed Service Manual page 292

8-16
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
2200PF
C759
R761
.22UF
270
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 8-15. MNUR4001B/D Frequency Generation Unit (VCO) Circuit – 2 of 2
DC_SUPER_FILTER_5V
C789
C796
0.1UF
100PF
7 POUT 1
VTUNE
SEL1 4
DIG_CTRL_VTUR1 3
NC NC
SEL2
DIG_CTRL_UR2 5
Y704
ANA_VTUNE
V0225AZ
C769
309MHZ/379MHZ
.016UF
U708
SKY13251
4 V1 3
RF1
5 V2 6
RF2
8 V3 7
RF3 NC
RFC 1
DC_SUPER_FILTER_5V
CGND NC
C793
C790
C770
100PF
0.1UF
.082UF
DNP
7 1
VTUNE
POUT
3 SEL1 4
DIG_CTRL_UT1
NC NC
SEL2
DIG_CTRL_UT2 5
Y705
V0225AZ
415MHZ/485MHZ
DNP
DC_SUPER_FILTER_5V
C797
100PF
C791
0.1UF C794
39PF
7 1
VTUNE POUT
DIG_CTRL_7T8R 3 SEL1 4
NC
NC
SEL2
5
DIG_CTRL_8T7R Y706
V0225AZ
U709
758MHZ/868MHZ
SKY13251
4 3
RF1 V1
5 6
RF2 V2
8 V3 7
RF3
RFC 1
CGND
NC
DC_SUPER_FILTER_5V
C792
C795
0.1UF
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 V1
RF1 RF1
6 V2 5 5 V2
RF2 RF2
NC
7 V3 8 8 V3
RF3 RF3
1 RFC
RFC
NC CGND CGND NC
RF_ESCORT
OUT
C799
100PF
C805
100PF
C801
6.8PF
R710
RF_ESCORT_DIV2_NONINV
200
IN
L802
C798
33NH
1000PF
C800 C803
R709 R711
22PF 22PF 68 68
DC_LIN_1_5V
L806 R811
390NH 39
R819
C814 C816 L817
R809
270
1000PF 33PF 390NH
5.6K
R807
22K
Q712 2 5 C820
Q712 R813 R705
BC858CD BC858CD 220PF 10
680
R808
C701 R812 C813 R708
82K
220PF 82 1PF 100
Q713
NE662M04
R818
4
8.2
3
R815
C810
24
220PF
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: VHF/700–800
C831
100PF
Q714
NTZD3154N
1 6
2 5
NC
3 4
NC
NC
3
6
7
1
DC_LIN_1_5V
L821 R832
390NH 15
L846
C838 C844
R827
1000PF 47PF 390NH
6.2K
R822
20K
Q703 2 5 Q703
BC858CD
BC858CD
C702
R823
R833
220PF
56K
100
4
R840
C830
15
220PF
C709
220PF
C779
100PF
R713
10
TL_RX_LO
OUT
R712 R714
560 560
R849
560
C851
R848 C836
220PF TL_TX_LO
15 47PF
OUT
R701
100
Q842
NE662M04
3
TP780
TEST_POINT
RF_PRESCALAR
OUT