Sharp MD-C2 Service Manual page 45

36 37 38 39 40 41 42 43 44 45 46 47 48 49
67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
D01
266AW
RIVER
14 15 16 17 18 19 21 21 22 23 24 25 26 27 28 29 30
RD107
10K
+B
DD01
DZ5.1B
CD12
0.022
CD13
100/10
LD01
2.2µH
+B
KEY5
KEY2
RD57
SWD08
8.2K
PRE–EQ
KEY3
KEY4
RD61
8.2K
KEY0
+B
KEY1
DISP PWB-B1
7
50 51 52 53 54 55 56 57 58 59 60 61 62 63
NC
–31.3V
50
S19
NC
–31.3V
49
S18
–31.3V NC
48
S17
47 –31.3V
S16 NC
4.95V +B
VDD3 46
–29.6V
T15
T15 45
–29.6V T14
T14 44
–29.6V T13
T13 43
–29.6V
T12
T12 42
–29.6V
T11
T11 41
–29.6V T10
T10 40
–29.6V T9
T9 39
–29.6V
T8
38
T8
–29.6V
T7
37
T7
–29.6V T6
36
T6
–29.6V T5
35
T5
–29.6V
34
T4
–29.6V T3
33
T3
–29.6V T2
32
T2
–29.6V T1
31
T1
T0
4.9V
1
RD106
10K
RD58 RD59 RD60
1K 1.2K 1.8K
SWD09 SWD10
X–BASS SURROUND
RD62 RD63 RD64
1K 1.2K 1.8K
RD55
12K
SWD07 SWD06
OPEN/CLOSE DISC3
TRAY SWITCH PWB-B2
8 9
Figure 45 SCHEMATIC DIAGRAM (8/16)
FLD01
FL DISPLAY
64 65 66
RE71 CD30
33 22/50
4.9V
–29.6V
–29.6V
QD01
HSC1815 GR
RMD01
4.9V
3
RD47
39
2
+B
0V
RD65 RD77 RD78
2.2K 3.9K 5.6K
SWD28
MD1
RD54 RD53
5.6K 3.9K
SWD05 SWD04
DISC2 DISC1
10
– 45 –
MD-C2
CD17
0.001
JOG1_DN
1
3
JOG1_UP
2
RD48
RD49
47K
47K CD18
0.001
JOG PWB-B3
RD50
47K 1
2
JOG2_DN
3 3 3
JOG2_UP
2 2 2
1 1 1
2.9V
3
1
2.9V
0V 3
1
0.16V 2
0V
RD79
0.15V 2
12K
SWD29 SWD30
MD2 MD3
1
1
RD52
2.2K
SWD03
SKIP
LEDD22
333GTH4
DISC2
11 12
SWD01
JOG SW
VOLUME
CD19
0.001
3
CD20
0.001
+B
2.9V
3
1
0V
2
0.14V
6
FWD01B
FWD01A
6