Sharp MD-X60 Service Manual page 41

104 105
R405
2.2K
R406
2.2K
Q403
KRA107 S
2
3.6V
3.6V
IC401
1 BU4066BCF
3
AUX1/AUX2
0V
INPUT SELECTOR
–8V
5
0V
3
–8V 6
_IN-R
9
_IN-L
–8V
12
0V
10
13
2
8V
9
5V
LTIN
48
Q404
5V
LF1C1 KRC107 S
47
5V
LF1C2
46
8V
5V
LF1C3
45
2
5V
LF2C1 44
1
–8V
5V
LF2C2
43
5V
LF2C3
24
5V
LF3C1
41
+B
5V
LF3C2
40
5V
LF3C3
39
5V
LF4C1
38
5V
LF4C2 37
5V
LF4C3
36
5V
LFS
35
5V
LTOUT
34
5V
LFIN
33
2
C539
10/16
C517 1/50
C519 0.22/50
C521 0.082 (ML)
C523 0.22/50
C525 0.15/50
C527 0.22/50
C529 0.027 (ML)
C531 0.015 (ML)
C533 0.0022 (ML)
C535 0.0047 (ML)
C537 1/50
7
Q401
2SC2412 KR
0V
0.7V
R403
5.6K
0V
0V
0.7V
R404
5.6K
0V
Q402
2SC2412 KR
0V
4
8V
8
8V
11
R417
100K
1
R418
0V
14 7
100K
–8V
–8V 2
3
8V
3
–8V
1
8V
NAME_IN
8 8
11
AD_SW
7 7
10
R-IN
6 6 9
A-GND
8
5 5
L-IN
4 4 7
3 3 6
2 2 5
1 1 4
3
2
1
3 3
2 2
1 1
MD-INPUT LEVEL PWB-B4
8 9
Figure 41 SCHEMATIC DIAGRAM (6/15)
CHASSIS
GND
L421
R401
2.2µH
1K
L423
2.2µH
R402
1K
L422
2.2µH
L401
R411
2.2µH
33K
L410
2.2µH
L402
R410
2.2µH
33K
FM SIGNAL
CD SIGNAL
MD SIGNAL
TAPE SIGNAL
RECORD SIGNAL
AUX1
AUX2
MD/MD
INHIBITION
C633
0.022
R637
1.8K
R634 C632
22K 100P (CH)
R632
R636
L631
3.3K
2.2µH
8.2K
R635
8.2K
R633
22K
AUX-RIN_VOL-IN
AUX-LIN_VOL-IN
AUX-GND
R641 1
1K
2
3
4
R642 5
1K
VR630
20K(B)
INPUT LEVEL VOLUME
10
– 41 –
D421
JK401
1SS133
ANALOG IN/OUT
D422
6
1SS133
LEFT
5
OUT
4
RHIGT
3
LEFT
2
AUX2
IN
1
RHIGT
A_GND
23
NAME_IN
22
AUX_1/2
21
A/D_SW
20
AUX_1/2
H
L
L
H
CHASSIS
GND
R630
R151
1K
1K
1 1 1
NAME_IN
2 2 2
3 3 3
4 4 4
5 5 5
6 6 6
R631
3.3K
MD JACK
PWB-J
11
MD-X60
JK151
D_GND
L_IN
R_IN
A_GND
AD_SW
MD-IN
12