Sharp CD-C5H Service Manual page 32

CD-C5H,CP-C5H
A
B
2
1
Q463
KRC107 M
3
C
D
E
F
G
MAIN PWB-B(4/4)
RECORD SIGNAL
H
PLAYBACK SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
1
0V
SWITCHING
3
Q451
1
KRA107 M
1.6V
2 0V
3
0V
1
-8.3V
Q452
-8.3V 2
KRC107 M
R461
C484
100K
2.2/50
C483
2.2/50
5 3 6 9 2
12 10 13
IC452
4 8 1
BU4066BC 11
SRS MODE
SELECTOR
C481
C482
2.2/50
2.2/50
C453
2.2/50
R472
100K
R471
100K
2
SWITCHING
3
2 3
Figure 32 SCHEMATIC DIAGRAM (7/17)
R462
100K
SWITCHING
R467
680
1.6V
14
C485
47/25
R477
680
-8.3V
7
C487
47/25
ZD452
MTZJ8.2C
R456
100K
R455
100K
R459
100K
SWITCHING
R460
100K Q465
G
0V
2SK246 GR
S
5.5V
D
R493
5.5V
1K G 0V
SWITCHING
D S
5.5V
R498 Q466
5.5V
4.7K 2SK246 GR
IC451
SRS5250AS1
0V
15 GND
C471 16
CR1
R468
100/16
1K
5.5V
17 R_OUT
5.5V
S_OUT
18 L_OUT
R469
1K
5.5V
19
Vref
20 CL1
SRS
21
CL2
22 CL3
23 CL4
5.5V
24
C_IN
5.5V
25 C_OUT
R487 R488
100K 4.7K
PN_OUT
26
MODE
0V
5.5V
27
L_IN
1
5.5V
28
Q464 R_IN
KRC107 M
56 57 58 59 60 61
TO MAIN SECTION
P27 12-C
4
– 32 –
D401
1SS133
+B
D402
1SS133
D403
1SS133
SWITCHING
Q467
G
2SK246 GR
S
D
CR2
14
CR3
R491
13
1.5K
CR4 12
C472
0.33/50
5.5V
11
R492
4.7K
5.5V
S_IN
10
R490
4.7K
C6 9
C5 8
C4 7
C3 6
C2
5
C1 4
C461
5.5V 0.0047
3
R481
5.5V
3.9K
PN_IN 2
R482
33K
VCC 1
C460
11.0V
0.47/50
C458
0.047 (ML)
+B
C457
100/16
VOLTAGE
Q461 REGULATOR
C456
KTC3203 Y
100/16
R475
2.2K
R470
10K
R474
10K +B
+B
R473
10K
2
1
3
Q459
2
KRC107 M
1
3
2
1
Q458
3
KRC107 M
+B
–B
62 55 63 64 65
5
+B
–B
–B
6