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PROLOGY
MCD-315U

Saturn High-Tech, Inc.
85mA Q118 2SD882P
RADIO C137 R157 10 1/4W




FM/AM VCC+




FM/AM VCC+
70mA




AM/FM OSC
Radio Module




Audio-GND
R148 10 C135




ST/SD IND




Mute Drive
AM VCC+
R159




FM VCC+




DET OUT
AM ANT
ANT INPUT




AM LOC
FM ANT
C139 Q401




RF GND




RF GND

RF GND




S.Meter
AM VT
470




FM DX




FM VT




R OUT
103




L OUT




ST/RQ
102 8050D EC440 10uF R801 EC803




GND




GND




SNC
104 EC436




N.C
R149 47K 2200uF
R158 EC108 4u7 Q801
0 Q114 Q115 EC114 EC113
100uF R458 RL CH 9014S C802
9014S 9015S 100uF 100uF R402 C801
10 1/4W Q402




102
10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26
1

2

3

4

5

6

7

8

9
R153 R154 10 1/6W 100 1uF
R152 ZD106 9014S R468 R469 R462 R472 104
L101 C101 EC102 1K 1K Q117 R160 100
100uF C135A 2K2 C136 9V1 47K 22K 47
4.7uH 104 C109 EC110 2SD882P 470 Q410




1K5
104 R155 9013G EC439 R459 R804
R104 C103 47uF ZD103 100uF X 22 6 20
10K EC109 10K C803
22K Q102 104 R470 R471 Q403
R101 C135B 9V1 R401 C401 1uF Mute pin RL+




BATT+
C110 R803




R802
D101 D102 R105 100uF 22K 82K 9014S CH1 OUT+ 9
1K 9014S C114 C111 Q116 C138




R402A
C118 104 11 CH1 IN
X 104 4K7 EC103 104 103 1K R460
X 104 104 9014S R467




1K5
470




5


6


7


8
C107 R106 100uF C402 10K C804 PO-GND 8
R102 223 Q111 R161 8K2 EC401 104 22K Q404
104 100K 100uF 104 IC401 472
10K EC802 TDA7381=4x30W
EC118 4u7 EC119 R162 NJM4558 9014S EC435 CH1 OUT- RL-
TDA7384=4x40W 7
R457




10K
Q101 4u7 ZD401 EC438 RR CH




4


3


2


1
EC105 C112 R136 9014S 330PF 8K2 C131 C133




100K
JP5 R137 C119 TDA7386=4x50W




R165
Q01 9014S R166 9V1 100uF 100 X
9014S X 100uF 224 10 680 1/4W R138 C130 C132 102 152 100K EC437 4u7 TDA7560-4x60W RR+




152
C105 C805




R135 4K7