Sharp MD-C2 Service Manual page 41

P39 12-C
TO MAIN
C
PWB(2/3)
WB(1/3)
38 43 37
CU10
2.2/50
64 63 62 61 60 59 58 57 56
1
0V RBB1
2
0V RBB2
5V 3
RBBOUT
0V
4
RTIN
9 (ML)
5V
5
RF1C1
0 0.039
5V
6
RF1C2
2 0.0033 5V
7
RF2C1
5V
8
RF2C2
3
LC75397E
5V
9
RF3C1
6 0.18
AUDIO PROCESSOR
5V
10
RF3C2
8 0.1 4.9V
11
RF3C3
0 0.0047
4.9V
12
RF4
5V
RTOUT
13
2 2.2/50
5V
14 RVR1IN
4 2.2/50 5V
15 RVR2IN
RVR3IN
0V 16
NC
22
17 18 19 20 21 23
7
P37 8-H
TO MAIN
P39 12-C
PWB(1/3)
TO MAIN PWB(2/3)
36 35 44
RU06 RU07
4.7K 4.7K
CU02 CU03
47P 47P
55 54 53 52 51 50 49
0V
48
LBB1
47 0V
LBB2
46 5V
LBBOUT
0V
LTIN 45
5V
LF1C1 44
CU21
5V
LF1C2
43
5V CU23
LF2C1
42
0.0033
ICU00
5V
LF2C2
41
5V
LF3C1
40
5V
LF3C2
39
4.9V
LF3C3
38
4.9V
LF4
37
5V
LTOUT
36
5V
LVR1IN
35
5V
LVR2IN
34
LVR3IN
33 0V
NC
24 25 26 27 28 29 30 31 32
RU55
1K
+B
RU45
100K
RU77
100K
RU46
100K
RU56
1K
8 9
Figure 41 SCHEMATIC DIAGRAM (6/16)
CU01 RU03
47P 27K
CU00 RU02
47P 27K
RU17
CU19 0.039 (ML)
12K
0.039
(ML)
RU19
12K
(ML)
CU25 0.0033 (ML)
CU27 0.18
CU29 0.1
CU31 0.0047 (ML)
RU23
CU33
47K
2.2/50
CU35
2.2/50
QU07
HSA1015 GR
3.0V 11.7V
DU05
RU75
1SS133
3.3K
11.3V
DU06
RU76
1SS133
100K
CU83
470/16
RU24
47K
CU75
2.2/50
RU51
4.7K
CU76
0.7V
2.2/50
RU52
4.7K
0.7V
DU04
1SS133
QU02
HSC1815 GR
10
– 41 –
RU01
27K 4
2
1
3
RU00
27K
A–GND
19
C2_CE
16
C2_DI
18
C2_CL
17
SUR_ON/OFF
20
SYS_MUTE
21
SPE
30
+B +12V(A)
31
–B –13V(A)
32
HP_SW
25
SP_PROTECT
24
FAN_MOTOR
10
SP_LEVEL
22
SP_RELAY
11
POSISTOR
23
POWER
12
VLOAD1
13
FAN_HI/LO
14
FAN_HI/LO
13
VLOAD1
12
POWER
11
POSISTOR
10
SP_RELAY
9
SP_LEVEL
8
FAN_MOTOR
7
SP_PROTECT
6
HP_SW
5
GND(A)
4
RCH
3
A_GND
2
LCH
1
11
MD-C2
JTUU00
AUX IN
LEFT
RIGHT
CHASSIS
GND
12