Motorola APX 7000 Detailed Service Manual page 470

8-194
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 8-93. MNUS4002A/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
3 4
SEL1 NC
NC
5
DIG_CTRL_UR2 SEL2
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
C790
C770
0.1UF
C793
.082UF
100PF
7 1
VTUNE POUT
DIG_CTRL_UT1
3 SEL1 4
NC
NC
5 SEL2
DIG_CTRL_UT2
DC_LIN_1_5V
Y705
V0225AZ
415MHZ/485MHZ
DC_SUPER_FILTER_5V
C797
100PF
C791
0.1UF
C794
39PF
1
7
VTUNE POUT
DIG_CTRL_7T8R
3 SEL1 4
NC
NC
DIG_CTRL_8T7R 5 SEL2
Y706
V0225AZ
U709
758MHZ/868MHZ
SKY13251
4 V1 3
RF1
5 V2 6
RF2
8 7
RF3 V3
1
RFC
CGND
NC
DC_SUPER_FILTER_5V
C792
0.1UF C795
100PF
7 1
VTUNE POUT
DIG_CTRL_VR
3 SEL1 4
NC
NC
DIG_CTRL_78T 5 SEL2
Y707
V0225AZ
266MHZ/809MHZ
U710
U711
C804
SKY13251
SKY13251
100PF
3 4 4 3
V1 V1
RF1 RF1
6 V2 5 5 V2 6
RF2 NC RF2
7 V3 8 8 V3 7
RF3 RF3
1 RFC RFC 1
NC CGND NC
RF_ESCORT
OUT
C799
100PF
DNP
C805
100PF
DNP
C801
6.8PF
DNP
R710
L802
RF_ESCORT_DIV2_NONINV
200
33NH
DNP
DNP
IN
C798
1000PF
C800 C803 R709 R711
DNP
22PF 22PF 68 68
DNP DNP DNP DNP
L806 R811
390NH 39
C802
L817 R819
C814 C816
.22UF R809
1000PF 33PF 390NH 270
5.6K
R807
22K C820
2 5 C709
Q712 R813 R705
220PF
Q712 BC858CD 10 220PF
680
BC858CD
R808
C701
R812 C813 R708
82K
220PF 82 1PF Q713 100
NE662M04
C810 R815
220PF 24 R818
4
8.2
3
C704
62PF
DC_LIN_1_5V
L701
R773
390NH
5.6K
C775 C777
C771
R772
1000PF 33PF
100PF
33
2 Q774
NE68519
R776 C779
100PF
39
R778
180
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2/ 700–800 MHz
C831 R713
100PF 10
Q714
R712
NTZD3154N
560
6
1
2 5
NC
4
3
NC NC
DC_LIN_1_5V
L821 R832
390NH 15
C806
C838 C844 L846
.22UF R827
1000PF 47PF 390NH
6.2K
R822
20K
Q703
2 5
Q703
BC858CD
BC858CD
R823 C702
R833
56K 220PF
100
Q842
C830 NE662M04
R840
220PF 15
4
3
TP780
TEST_POINT
TL_RX_LO
OUT
R714
560
R849
560
C851 R848 C836
TL_TX_LO
220PF 15 47PF
OUT
R701
100
RF_PRESCALAR
OUT