Sharp MD-C2 Service Manual page 37

P41 12-C~E
TO MAIN
PWB(3/3)
10 11 12 13 14
G01
2K
10
25
63 62 61 60 59 58 57 56 55 54 53 52 51
50
P16
49
P17
48
P20
47
P21
46
P22
45
P23
44
P24
P25 43
42
P26
41
P27
ROCOMPUTER
40
VSS
39
X OUT
38
X IN
37
PB0
36
PB1
35
RESET
34
P40
33
P41
32
P42
P43
31
18 19 20 21 22 23 24 25 26 27 28 29 30
CG13
0.001
+B
–B
+B
ICH01
NJM4558MF–
R OPE AMP.
+B
CG17
CH01
0.001
47/25
CH02
47/25
CD/MD_RCH
CU64
4.7/50
37 36 35 34 33 32 31 30
TO MD MAIN PWB(3/3)
P41 12-E,8-A
P40 3-A
28
7
P41 12-D,E
TO MAIN
PWB(3/3)
DEMO
16 17 18 19 20 21
SWF02
OFF ON
1 2 3
4.9V
NC RF49
1K
4.8V SYS_MUTE
RG37
NC 0V 22K
RF47 1K
C2_CE
0V
RF46 1K
C2_CL
1.5V
RF45 1K
C2_DI
0V
RF44 1K
C2_DO
5.3V
0V
RF42 1K
HP_SW
0V
RF41 1K
SP_PROTECT
5.3V
0V
3
RF39
2
2.3V 1K
2.3V
XLF01
8.38MHz
1
4.9V
RF37
NC 0V 1K
4.9V
RF35 RG35
1K
10K
RF34
5.3V
1K
4.9V
RF33 TUN_MUTE
100
4.9V RF32
1K
5.1V
RF31
1K
+B
RH58
560K
RH05
560K
RH07
RH21
390K
560K
RH03
3 2 1
560K
11.8V
8
RH17
560K
–12.9V
4
RH04
RH13
560K
5 6 7
560K
CH03 RH06
47/25 560K
8 9
Figure 37 SCHEMATIC DIAGRAM (2/16)
P39 12-A~H
TO MAIN
PWB(2/3)
22 23 24 25 26 27 28 29
MD RECORD SIGNAL
CD SIGNAL
MD SIGNAL
FM SIGNAL
ICG02
PST9140
RESET IC
5.1V
SYS_STOP
1
QG01
3
0V
KRC107 M
4.9V 0V
2 3
RG06
4.7K
1 0V
CG03
0.01
CG15
0.022
CG04
470/6.3
RG11
330
RG05
100K
–B
+B
+12V(M)
RG46
2.2
+B
+B
CG12
0.15 +B
(ML)
+B
DH10
RH25 1SS133
CH18 DH09
1.5K 0.047 (ML)
1SS133
SPE_63
CH17 RH26 RH27
CH19
1/50 33K 470K
0.22/50
DH08
1SS133
RH22 CH15
DH07
1.5K 0.015 (ML)
1SS133
SPE_250
RH23
RH24
CH16
CH14
33K
470K
0.22/50
0.47/50
DH06
RH18 CH12 1SS133
DH05
1.5K 0.0047
1SS133
SPE_1K
CH11
RH19
RH20
CH13
0.1
33K
470K
0.22/50
(ML)
DH04
1SS133
RH14 CH09
DH03
1.5K 1200P
1SS133
SPE_4K
RH16
CH08 RH15 CH10
470K
0.027 33K
0.22/50
SPE_16K
RH12
470K
10
– 37 –
MD-C2
MAIN PWB-A(1/3)
5.1V
+B
2
DG04
1SS133
DG03
–13V(A)
1
1SS133
+12V(A)
2
+12V(M)
+B
3
+5.6V_USWD
4
+5V_SWD
5
GND(D)
6
+7.3V(CD)
7
GND(CD)
8
+6V(MD_A)
9
+5V(MD_D)
10
GND(MD)
11
VF1
12
VP
13
VF2
14
CNSF05
VF2
1
VP
2
VF1
3
+12V(M)
4
DISP_RES
5
+B
+5.6V USWD
DG05
6
1SS133
ON/STANDBY
7
SY–STB
8
SY–CLK
9
SY–COM
10
SY–DAT
11
GND(D)
12
CNPF06
11 12