Sharp MD-X60H Service Manual page 46

MD-X60H
MAIN PWB-A(3/4)
A
L_MUTE
57
B
47P (CH)
C578
47P (CH)
C
60
A_GND
REC-LCH
62
REC-RCH
61
D
E
CCB_CL
52
CCB_DI
54
CCB_CE
53
F
S_MUTE
56
A_GND
65
A_+B
64
A_–B
63
G
R_CH_OUT
66
A_GND
67
L_CH_OUT
68
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.
1
L541
LOW PASS
FILTER
L542
C573
82P (CH)
LOW
R569
PASS
IC552
10K
FILTER
NJM4565M
BUFFER AMP.
C577
C575
0V
22/50
6
–
7
0V +
0V
5
0V
3
+ 0V
1
–
0V
2
C576
22/50
4 8 10.5V
–10V
C574
82P
R570
(CH)
10K
R499 R498
220 220
(1/2W) (1/2W)
R463
3.9K (1/2W)
+B
R462
3.9K
D550
1SS133
R597
2.2K
R522
5.6K 0V
0.7V
Q501
0V
2SC2878 A
A_GND
Q502
0V
2SC2878 A
0.7V
R521
5.6K
0V
R598
2.2K
2 3
Figure 46 SCHEMATIC DIAGRAM (5/16)
TO MAIN PWB (2/4)
SYSTEM CONTROL SECTION
P45 10-H
58 59
50 51 55
TUN_LCH
R541 5.6K
C541
0.0056
TUN_RCH
R542 5.6K
C542
0.0056
R505
C515
47K
2.2/50
R506
C516
47K
2.2/50
D501
1SS133
D502
1SS133
5V
C518
64 63
1/50
C520
0.22/50
5V
1 RF1C1
5V
2
RF1C2
C522
5V
0.082 (ML) 3 RF1C3
5V
C524
4 RF2C1
0.22/50
5V
5 RF2C2
C526
5V
0.15/50
6
RF2C3
C528
5V
7 RF3C1
0.22/50
5V
8 RF3C2
C530
5V
0.027 (ML)
9 RF3C3
C532 5V
RF4C1
10
0.015 (ML)
5V
11 RF4C2
C534
5V
12 RF4C3
0.0022 (ML)
5V
RF5
C536 13
5V
0.0047
RTOUT
14
(ML)
5V
15
RFIN
C538
5V
16 RFCOM
1/50
C540
10/16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
(OS-CON)
330 (1/2W)
R509
47K
R510
47K
C494
10/50
4
– 46 –
TO MAIN PWB (1/4)
TAPE DECK SECTION
P43 12-C
103 101
102
R434
R438 R439 R435
6.8K
3.3K 3.3K 6.8K
AUX_IN-R
AUX_IN-L
62 61 60 59 58 57 56 55 54 53 52 51 50 49
IC501
LC75396E
AUDIO PROCESSOR
C546
1/50
(OS-CON)
C553
220/10
+B
R431
R430
330
(1/2W)
5 6
104 105
5V
LTIN 48
5V
LF1C1
47
5V
LF1C2 46
5V
LF1C3
45
5V
LF2C1 44
5V
LF2C2
43
5V
LF2C3
24
5V
LF3C1
41
5V
LF3C2
40
5V
LF3C3
39
5V
LF4C1 38
5V
LF4C2 37
5V
LF4C3
36
5V
LFS
35
5V
LTOUT 34
5V
LFIN
33
C539
10/16
C517 1/50
C519 0.22/50
C521 0.082 (M
C523 0.22/50
C525 0.15/50
C527 0.22/50
C529 0.027 (M
C531 0.015 (M
C533 0.0022 (
C535 0.0047 (
C537 1/50