Motorola APX 7000 Detailed Service Manual page 510

8-234
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 C769
.039UF 6800PF .016UF
R759
680
R767
ANA_ADAPT_CHARGE_PUMP
68
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 8-111. MNUT4004A/C/E Frequency Generation Unit (VCO) Circuit – 2 of 2
DC_SUPER_FILTER_5V
C789
C796
0.1UF
100PF
1
7 VTUNE
POUT
DIG_CTRL_VTUR1
3 SEL1 4
NC NC
SEL2
DIG_CTRL_UR2 5
Y704
ANA_VTUNE
V0225AZ
GND1
309MHZ/379MHZ
U708
SKY13251
4 3
RF1 V1
6
5
RF2 V2
8 7
RF3 V3
NC
1
RFC
DC_SUPER_FILTER_5V
CGND
C790
0.1UF
Y705
V0225AZ
C793
415MHZ/485MHZ
100PF
7 1
VTUNE POUT
SEL1
DIG_CTRL_UT1 3 4
NC
NC
DIG_CTRL_UT2 5 SEL2
DC_LIN_1_5V
GND1
DC_SUPER_FILTER_5V
C797
100PF
C794
C791
39PF
0.1UF
DNP
1
7
VTUNE POUT
DIG_CTRL_7T8R
3 4
SEL1
NC NC
DIG_CTRL_8T7R 5 SEL2
Y706
V0225AZ
GND1
758MHZ/868MHZ U709
DNP
SKY13251
4 V1 3
RF1
5 V2 6
RF2
8 7
V3
RF3
RFC 1
CGND NC
DC_SUPER_FILTER_5V
C792
0.1UF
C795
100PF
7 1
VTUNE POUT
DIG_CTRL_VR 3 4
SEL1
NC NC
DIG_CTRL_78T 5 SEL2
Y707
V0225AZ
GND1
266MHZ/809MHZ
U710
U711
C804
SKY13251 SKY13251
100PF
3 V1 4 4 V1
RF1 RF1
6 5 5 V2
V2 RF2 RF2
NC
8
7 V3 8 V3
RF3 RF3
1 RFC RFC
CGND NC
NC
C799
100PF
RF_ESCORT
OUT
C805
100PF
C801
6.8PF
RF_ESCORT_DIV2_NONINV
R710
200
IN
L802
C798
33NH
1000PF
C800
C803 R709 R711
22PF 68
22PF 68
L806 R811
390NH 39
C802 C814 C816 L817 R819
R809 270
.22UF 1000PF 33PF 390NH
5.6K
R807
22K
2 5 C820 R705
Q712 Q712
R813
220PF 10
BC858CD BC858CD 680
R808
C701
R812 C813
82K
220PF 82
1PF
Q713
C810
R815 NE662M04
R818
220PF 24
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
39
R778
180
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2/VHF
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
C806
C838 C844
.22UF R827
1000PF 47PF
6.2K
R822
20K
Q703
2 5
Q703
BC858CD
BC858CD
C702
R823
R833
220PF
56K
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
220PF TL_TX_LO
47PF
15
OUT
R701
100
Q842
NE662M04
3
TP780
TEST_POINT
RF_PRESCALAR
OUT