Sharp MD-MX30 Service Manual page 42

MD-MX30/MX30W
MAIN PWB-A1(1/2)
A
B
MD-MX30W Only
SWU01
SPAN SELECTOR
50/9
100/10
C
VF2
1
VP
2
POWER
3
VF1
4
D_GND
5
D_GND
6
MD_SERCH
7
MD_ST
8
SYS_MUTE
9
MD_RESET
D
10
CNPU02
1
FWD01 CNPU01
MD_DATA_
1
MD_KDATA
2
MD_DSCK
3
SYS_STOP
4
MD_D_STB_
5
SP_PROT
6
MD_LOADSW_
E 7
8
CE
9
TUNER_SM
10
CLK
11
MOTER_LOCK
12
DI
13
FAN_MOTOR
14
DO
15
FAN_H/L
16
SUR_ON/OFF
17
RESET
18
F +5V(BACK_UP)
19
PROGRAM
20
+7R3V(M)
21
+5V(USWD)
22
22
RU50
150
RU51
150
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 31.
1
RU62
82K
RU52
3.3K
RU53
3.3K
RU54
RU67
3.3K
1K
RU46
47K
+B
+B
RU48 +B
680
ICU03
QU07
KRC104M PST9140
4.9V 4.9V
2
0V
1 2
4.8V 3
1
0V
CU42
3
CU37
CU39 0.022
0.01
0V
0.01
RESET
DU04
DS1SS133
CU47
0.001
BIU01
1 2
1
1 2 3
CNS8
CNP8
TO CD SECTION
P47 12 - E
2 3
Figure 42 SCHEMATIC DIAGRAM (6/13)
FM SIGNAL
MD SIGNAL
CD SIGNAL
RECORD SIGNAL
QU05
4.7V 0V
KTC3199GR
RU42
RU40
47K 4.7K
0V
RU41
1
0V
RU59
4.7K
1K
3.3V 3
2 1V
QU06
RU56 RU43 KRC107M
10K 47K
RU39
2.7K
RU55
10K
+B
RU57
10K
RU58
10K
DU03
DS1SS133
DU02
DS1SS133
CU49
470P
RU60
10K
RU61
18K
CU50
0.001
CU48
0.001
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
CW1501
CN1501
TO MD SECTION
P39 11 - G
4
– 42 –
RU31
1K
DI
CE
RU32
1K
RU11
1K
RU09
2.7K
CU11 CU13
2.2/50 0.001(ML)
CU07
2.2/50
CU01
2.2/50
RU14
100K
+B
+B
1
1
28
5
L
PRO
0V
1
DI
0V
2
CE
0V
3
VS
CU17
0.33/50
4 L-
CU15
0.22/50
4.2V
5
L-
4.2V
6 L-
CU09
L-
7
4.2
1/50
LS
8
4.2
RU07
4.2V
L4
9
1K
4.2V
L3
10
4.2V
RU01 11 L2
1K
12 L1
4.2V
RU05
1K
CU05
2.2/50
+B
+B
+B
+B
2 3 4 5 6
CNP6
TO CD SECTION
P47 12 - E,F
6