Figure 10-5. Vco And Pll Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (VHF: 136–174 MHz)
+5V
C538
10nF
VCO_OUT(RX)
Q503
KRC404
TX_EN1
C447 5pF
VCO_OUT(TX)
SH102
L709
47nH
Q711
KRA304
C747 C746
+3.3V PLL_LD
33pF 20pF
R729
100K
PLL_STB
C755
PLL_DATA R730
0.1uF(K)
PLL_CLK 33K
R753 R752 R751
1K 1K 1K
PLL_PS
9 10 11 12 13 14 15 16
U701
R732
MB15E03L
10K
8 7 6 5 4 3 2 1
C756 C738
1nF 7pF
R731
10R
+3.3V
R733
C741 0R
0.1uF
R734
12.8MHz VCXO
10R
4 3
OUT
+5V VCC
1 2
VCON GND
C740 C739
FL701
0.1uF 1nF
U502-B
NJM324
5
1/2VCC +
7
6 -
C515 R506 RT502
47K(TH)
0.1uF 10K
R503 R522
R504
100K 30K
47K
+
R505 C516
10K 10uF / 16V(A)
RX_B+
+5V
KRA305
C320
Q304
+ 10uF/16V(A)
Q305
C319 KRC404
C
10nF
B
RX_EN
E
C343
C380 C344
470pF 0.1uF 470pF
R701
100R L701
+
+ 100nH R702
C702
Q705
3K(1%)
C539 1nF
KRA305
10uF/16V(A) C701
22uF / 10V(A)
Q701
C728 2SC4226
10pF C705
R703
6pF
10K(1%)
C710
TZY02 10pF
C704
470pF
C706
C709
Q706
R706 Q702 10pF C711 33pF
KRA305 10pF
2SC4226
47R
CR701
R704 L703
KDV300E
10K(1%) 28116TL
+ L704
1uH(1608)
C707
C715 C714
27pF
22uF / 10V(A) 1nF
R705
180R
L708
R711
220nH
100K
R707
Q703 C722
4.7K(1%)
2SC4226
TZY02 10pF
C729
3pF
C721 C723
C731 C730 C717 C724
R708
4pF 12pF 12pF 3pF 56pF
4pF 12K(1%)
L706
Q704
30146TL
2SC4226
C716
CR703
470pF
R714
R715 KDV300E
100R 100R
R709 C726
C718
12K(1%) 6pF
12pF
L707
C727
R713
1uH(1608) R712
10K 3pF
100K
C719
R710
CR702
27pF
180R
KDV300E
+10V
C748
0.1uF
R717
R716
56R C749
680R
1uF(1608)
R718
20K
R719
Q708
1K
Q707 KTA2014
+3.3V
KTC4075
R740 R727
1.8K 2.7K
R720 270R
R721 270R
Q709 Q710
R726
KTA2014 KTC4075
2.4K
R722
22K C752 C753
0.1uF(K) 47nF(3216)
+
C751
C750 R723 1uF / 35V
R725
1.2K R724
0.1uF
220R
820R
SH101
C712
470pF
L705
2.7uH(1608)
C725
470pF
TX_AUDIO_AND_SUB_TONE
R728
2.7K
C754
47nF(3216)

Figure 10-5. VCO and PLL Schematic Diagram

10-3