Figure 10-36. Mdc/Qcii R&Tte Vco And Pll Schematic Diagram - Motorola P100 Series Detailed Service Manual

10-54
Figure 10-36. MDC/QCII R&TTE VCO and PLL Schematic Diagram
+5V
KRA305
C538 C539
10nF 10uF/16V(A)
VCO_OUT(RX)
Q503
KRC404
TX_EN1
C447
5pF
VCO_OUT(TX)
C731
4pF
R715
100R
L709
47nH
C747
33P
PLL_CLK
C748
PLL_DATA
0.1uF
PLL_STB
Q711
KRA304
R718
+3.3V PLL_LD 20K
R719
R753 R752 R751 R729
1K
1K 1K 1K 100K
+3.3V
R720
270R
C755
R730
0.1uF(K)
33K
R721
PLL_PS
R722
22K
GND
9 10 11 12 13 14 15 16
C750
0.1uF
U701
R732 MB15E03L
10K
8 7 6 5 4 3 2 1
R731
10R
C738
C756
7pF
3.3V 1nF
C741
R733
0.1uF
OR
R734
12.8MHZ VCXO
10R
4 3
+5V VCC OUT
C734
C740 C739
1 2
20p
0.1uF 1nF VCON GND
GND
FL701
U502-B
NJM324
5
1/2VCC
7
6
C515 R506 47K(TH)
0.1uF RT502
10K
R503 R522
R504
100K 30K
47K
R505
C516
10K
10uF / 16V(A)
Circuit Board/Schematic Diagram and Parts List VHF- MDC/QCII R&TTE (136–174 MHz)
RX_B+
+5V
Q304
KRA305
Q305
C319
C
KRC404
10nF
B
RX_EN
E
C380
C343 C344
470pF 0.1uF 470pF
R701
L701
100R
100nH R702
C702
3K(1%)
1nF
Q705 C701
22uF / 10V(A)
Q701
2SC4226
C728
10pF
R703
C705
10K(1%)
Q702 6pF
2SC4226
C704
470pF C706 CR701
C709 C711
KRA305 KDV300E
10pF
R706 10pF
Q706 33pF
47R
L703
28116TL
E C R704
C710
10K(1%)
10pF
L704
C707 TZY02
B 1uH(1608)
27pF
C714
C715
22uF / 10V(A) 1nF R705
180R
C712
470pF
L708
R711
220nH
C721 100K
L705
R707
12pF
Q703 4.7K(1%) 2.7uH(1608)
C729
2SC4226
3pF
C723
C717
3pF C724
12pF 56pF
R708
C730 L706
Q704
12K(1%) 30146TL
4pF C722
2SC4226
10pF
C716 CR703 C725
TZY02
R714 470pF 470pF
KDV300E
100R
R709
C726
12K(1%)
C718 6pF
12pF
L707
R713
1uH(1608)
10K R712
C727
100K
3pF
C719
R710 27pF CR702
180R KDV300E
SH101
TX_AUDIO_AND_SUB_TONE
C746
20P
+10V
R717
R716 56R
C749
680R
1uF(1608)
Q708
Q707
KTA2014
KTC4075
R740 R727 R728
1.8K 2.7K 2.7K
270R
Q709 R726
KTA2014 Q710 2.4K
KTC4075 C752 C754
C753
0.1uF(K)
47nF(3216) 47nF(3216)
C751
1uF / 35V
R723
R725
1.2K R724
220R
820R
SH102