Read Sharp CD-C440H (serv.man2) Service Manual online
CD-C440H/CP-C440H
– 32 –
A
B
C
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• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 32 SCHEMATIC DIAGRAM (13/14)
1
L_OUT
SRS_PASS
SRS/3D
A_GND
L_IN
R_IN
R_OUT
LEVEL CONT
LEVEL CONT
32
1
(ML)
+B
+B
+B
+B
+B
11
10
9
8
7
6
5
4
3
2
1
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
7
2
8
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(M L)
FUNCTION
SERECTOR
SRS
0V
0V
0V
12V
12V
12V
0V
0V
0V
0V
0V
0V
12V
11.4V
12.2V
2.7V
2.7V
0V
5.6V
2.7V
5.7V
5.7V
5.6V
4.1V
0V
0V
TO MAIN PWB
P24 5-H
CNP501
SRS PWB-A2
VDD
2
1
X0
3A
B
02
Y
3
1
INH
VEE
VSS
R_IN
L_IN
C_IN
C_OUT
MODE
S_OUT
CR1
R_OUT
L_OUT
VCC
PN_IN
PN_OUT
C1
C2
C3
C4
C5
C6
CL4
CL3
CL2
CL1
Vref
S_IN
CR4
CR3
CR2
GND
(ML)
(ML)
(ML)
(ML)
(ML)
(ML)
32
1
3
2
1
32
1
SRS_B
SRS_INH
32
1
A_12V
SRS_A
3
2
Q459
KRC107 M
Q460
KRC107 M
Q461
KTC3203 Y
Q466
KRC107 M
R449 1.5K
R452 4.7K
Q467 KRA107 M
R494
100K
R497
100K
R481
3.9K
R482 33K
C460
0.47/50
C470 330P
C463 0.068
C466 0.0068
C464 0.022
C462 0.22
C468 0.0018
C473
0.47/50
C474 0.47/50
R492 4.7K
C458
0.047
0.047
C457
100/16
C456
100/16
D451
1SS133
R478
1K
R468 1K
R500 6.8K
R498
4.7K
R495
1K
R493
1K
1K
CNS501
R483
100K
C471
100/16
C469
0.2 2
0.2 2
C475
0.22
IC451
SRS5250S
R487
100K
100K
R488
4.7K
C461
0.0047
R479
22K
R484 1.5K
R480 47K
Q468
KTC3199 GR
IC453
BU4052BC
Q469
KTC3199 GR
R453 2.2K
R454 2.2K
R457 12K
R458 12K
R465
1K
R466
1K
R475 2.2K
R474
10K
10K
R470
10K
R473
10K
R451 10K
Q463 KRC107 M
C476
0.022
C465
0.47/50
C467
0.47/50
R469
1K
C453 2.2/50
C454 2.2/50
C472
0.33/50
R491
1.5K
R499
1.5K
R490 4.7K
Q458
KRC107 M
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