Figure 7-35. Vco And Pll (Mdc1200 And Qcii) Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (UHF2: 435–480 MHz)
+3.3V
+5V
C538 C539
10nF 10uF/16V(A)
RX_EN_CIRCUIT
VCO_OUTPUT(RX)
Q503
KRC404
TX_EN1
VCO_OUT(TX)
Q711
KRA304
+3.3V
PLL_CLK
PLL_DATA R729
100K
PLL_STB
C755
R730
0.1uF(K)
33K
R737
R735 R736
1K
1K 1K
PLL_PS
9 10 11 12 13 14 15 16
R732
U701
10K MB15E03L
8 7 6 5 4 3 2 1
C756
C738
1nF
7pF
R731
R733
10R
0R
C741
0.1uF
R734
12.8MHz VCXO
10R
4 3
VCC
+5V OUT
1 VCON 2
GND
C740 FL701
C739
0.1uF 1nF
R701
220R
L701
R702
C702 27nH
KRA305 1.5K
1nF
Q705
C701
22uF / 10V(A)
Q701
2SC4226
C728
6pF
R703
C705
4.7K(1%)
2pF
Q702 C710
Q706
2SC4226
R706
TZY02
KRA305 C704
100R
1nF
C706
E C C709
3pF 4pF
L703
B
R704 30113TL
4.7K(1%)
C714
C707
L704
1nF
C715
9pF
220nH(1608)
22uF / 10V(A)
R705
220R
L708
R711
27nH
100K
R707
C722
Q703 1.5K
TZY02 6pF
C729 2SC4226
6pF
C723
R715
R714 C721
C717
0.5pF
56R 56R 3pF
3pF
L706
Q704 30113TL
2SC4226
C716
CR703
470pF
C731 C730 KDV154E
C718
2pF 2pF
R709
4pF
6.8K(1%)
L707
R713 C727
C719
220NH(1608)
30K 2pF
7pF R712
100K
R710
220R
L709
22nH
C747 C746
10pF 10pF
PLL_LD
+10V
C748
0.1uF
R717
R716
10R
300R
C749
R718 1uF(1608)
7.5K
R719
Q708
1K Q707
KTA2014
+3.3V KTC4075
R727 R728
R740
2.7K
2.7K
1.5K
R720 150R
R721 150R
Q710
Q709 R726
KTC4075
R722 KTA2014 3K
10K C752
C753
0.1uF(K)
47nF(3216)
C751
1uF / 35V
R725
C750 R723
R724
100R
0.1uF 1K
390R
SH102
U502-B
NJM324
5
7 1/2VCC
6
R506 C515 C575
10K
0.1uF 47pF
R504
47K
R503
56K
6pF
C711
13pF (MURATA)
CR701
KDV154E
C712 SH101
470pF
L705
C724 2.2uH(1608)
11pF(MURATA)
C725
470pF
C726
0.5pF
CR702
KDV154E
TX_SUB_TONE
C754
47nF(3216)
R505
C516
12K
10uF/16V(A)

Figure 7-35. VCO and PLL (MDC1200 and QCII) Schematic Diagram

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