Sharp MD-M3 Service Manual page 46

MD-M3/M1
SWR11
DEMO SW
ON
A
OFF
VRR11
AUX INPUT LEVEL
B
JR11
L-CH
AUX
INPUT
R-CH
P44 1-B
TO TUNER
C
K
SECTION
CHASSIS
GND
TUN L
A
GND(A)
B
TUN R
C
+12V(A)
D
GND(A)
E
TU DO( )
F
TU DI( )
G
D
TU CL
H
TU CE
I
TU SM
J
DEMO
17
SURROUND
16
EQ VOCAL
15
FL ON
14
TU DO
E 13
TU CE
12
TU CL
11
TU DI
10
TU SM
9
SPAN SEL
8
SY-STOP
7
RESET
6
+5V BACK UP
5
+5V(D)
4
+5V(D)
3
GND(D)
2
GND(D)
F
1
CFWR11
FWD01
EQ VOCAL
13
SURROUND
12
CONT
11
+12V(A)
10
AUX L
9
GND(A)
8
AUX R
7
GND(A)
G
6
TUN L
5
GND(A)
4
TUN R
3
+12V(D)
2
GND(D)
1
CFWR12
FWP12
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 26.
1
3
2
1,4
5
6
RR14
470
RR11
12K
CR11
330P
CR12
330P
RR12
12K
DR12
DS1SS133
RR51
1K
CR55
0.01
(ML)
CR56
RR52
0.01
1K
(ML)
+B
DR20
RR20
DS1SS133
4.7K
RR23
4.7K
+B
2 3
Figure 46 SCHEMATIC DIAGRAM (11/14)
RR13
470
RR15
2.2K
RR16
2.2K
+12V(D)
+B
+5V(D)
+B
+5V BACK UP
+B
+5V(D)
+B
RESET
SY-STOP
FLON
+B
+B
+B
+B
DS1SS133
4
– 46 –
FM SIGNAL
TP910
1 2 3
12.21V
4.95V
4.87V
4.95V
Q904
C908
KRC107 M
4.7/50
2 3
4.83V
0V
1
0V
RESET
C909
POINT
0.01
C910
470/10
R914
4.7K
C912
0.022
POWER
C913
100/10
C914
0.022
C915
10/35
C916
0.022
1 2
CNP991
TO MAIN
D915
CHASSIS
GND
5 6
4.95
PWB
3 4
CNS99
P37 12-