Motorola APX 1000 Detailed Service Manual page 374

8-118
DC_LIN_1_5V
DC_SUPER_FILTER_5V
DC_LIN_5V
DC_LIN_2_775V
Figure 8-51. Frequency Generation Unit Circuit – 2 of 2
U738
SKY13251
3 V1
GPO1 RF1
6 V2
RF2
GPO2
7 V3
RF3
1 RFC
NC
NC
R709
0
DNP
TXH
IN
NC
DC_LIN_1_5V
L739
390NH
C743
.22UF
R741
22K
Q745
BC858CD
R742
82K
C740
220PF
R822
24
DNP
VCO_IN
IN
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
R704
C781
220PF 10
4 RX_LO
OUT
5
8
R703 R707
560 560
Q785
NTZD3154N
DC_LIN_1_5V
1 6
L759 R769
390NH 18
2 5
NC
C764
3 4 R766
.22UF
6.2K
NC
R762
20K
Q767 2 5
BC858CD
C819
R763
220PF
56K
C817 R809
220PF 36
C803
220PF
R785
R799
150 150
R747
39
C751 C753 L755 R757
270
R744 1000PF 33PF 390NH
5.6K
R754
2 5 Q745 C760
680 L765
C770
BC858CD 220PF
DNP 27NH 220PF
C786 R748 C813 C768
82
1PF Q756
220PF 10PF
DNP NE662M04
R746
24 R761
4
8.2
3
C824
C816
220PF
62PF
R823
24
DNP
DC_LIN_1_5V
L758
R730 390NH
3K
C733 C735
C727
R728 1000PF 33PF
100PF
33
Q731
2
NE68519
L709
L734
18NH
18NH
1 2 1
R736
C705
180
7.5PF
C772 C773 L775 R776
1000PF 47PF 390NH 560
Q767
C777 R778 C780
BC858CD
220PF 20 47PF
TX_INJ
R771 R779
100 Q774 100
NE662M04
4
3
TP737
TEST_POINT
RF_PRESCALAR
C823
100PF
2
C708
15PF
OUT