Sharp CD-PC672 Service Manual page 20

PWB
6
CNS11
BI401
6
+B
C448
2.2/50
R422
2.7K
C446
R420
100P
33K
C444
1/50
C443
1/50
C402
0.047(ML)
64 63 62 61 60 59 58 57 56
C404
0.082(ML)
1
RF1C1
C406
2 RF1C2
0.22/50
3 RF1C3
RF2C1
4
C408 0.018(ML)
5 RF2C2
C410 0.068(ML)
RF2C3
6
IC401
RF3C1
7
C412 0.22/50
8 RF3C2
LC75396N
C414 0.027(ML)
9 RF3C3
AUDIO PROCESSOR
RF4C1
10
C416 0.015(ML)
RF4C2
11
C418 0.0022(ML)
RF4C3
12
C420
RF5
13
0.0047(ML)
14 RTOUT
C422
15 RFIN
1/50
RFCOM
16
C424
10/50
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
R430 47K
R429 47K
C434
2.2/50
R432 47K R431 47K
R434 2.2K
+B
R436
22K
Q402 Q401
KTC3199 GR KTC3199 GR
0V
0V 0V
0V 0V
C440
C439
0.001
0.001
D403
D402
DS1SS133
DS1SS133
0V
0V
3 2
R444
+B
4V 1 Q405 10K
KRC104 M
+B
CNP501
1 2 3 4 5 6 7 8 9
CNP803
TO POWER PWB
P30 1-E
7
R403
1.8K
R404
1.8K
R407
1.8K
C447
R408
2.2/50
1.8K
R421
2.7K
R419
33K
C460 0.022
C459 1000/16
+B
+B
55 54 53 52 51 50 49
C401
R471
0.047(ML)
220K
LTIN 48
C403 0.082(ML)
LF1C1 47
LF1C2
46
C405 0.22/50
R472
LF1C3
45
220K
C407 0.018(ML)
LF2C1
44
LF2C2
43
C409 0.068(ML)
LF2C3
42
C411 0.22/50
LF3C1
41
LF3C2
40
C413 0.027(ML)
LF3C3
39
LF4C1
38
C415 0.015(ML)
LF4C2
37
C417 0.0022(ML)
LF4C3
36
LF5
35
C419 0.0047(ML)
LTOUT
34
LFIN
33
C421
1/50
R424
220K
R425
220K
C429
2.2/50
R433
R435
10K
22K
Q404
KTC3199 GR
Q403
0V
KTC3199 GR
0V
+B
0.7V
C441
0.001
R486
6.8
(1/2W)
+B
+B
–B –B
10 11 12 13 14 15
8 9
Figure 23 SCHEMATIC DIAGRAM (4/12)
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
C461 R401
390P
27K
C462
R402
390P
27K
R405
27K
C463
390P
R406
C464
27K
390P
+B
R483
100K
R474
15K
C471
8
0.047
C472
2
(ML)
100P
1
3
R475
3.9K
C474
R479
R476
0.15
12K
27K C476
(ML)
C473
0.15
47/25
(ML)
5
7
C477
R477
6
27K R478 6.8K 100P
4
C478
R480
0.082
1.5K
(ML)
C479 C480
10/50 47/25
R627
100
+B
C601
0.047
R623 R601
Q601
R605
(ML)
2.2K
22K
KTC3199 GR 22K
R607 R603
R609
2.2K
2.2K
100K
Q603
C617
C615
0.001 KTC3199 GR
0.001
C616
C618
0.001
0.001
Q604
R608 KTC3199 GR
R604
2.2K
2.2K
Q602
R606 R602
R624
C602
KTC3199 GR
22K 22K 0.047 2.2K
(ML)
C627
22/25
C651
IC650
R658
270P
R651 390K
KIA4558P
10K
2
C657
3
270P
R662
OPE AMP.
220K
C659
R654
5
0.0027
68K
R664
6
220K
R653
C653
12K
0.0027
D651 DS1SS133
IC651
C655 KIA4558P
R655
0.0068
56K
2
C656
R656
0.0068 3
470K
R668
C661 0.022
OPE AMP.
2.2M
R661 270K
5
6
R657
C662
15K
0.022
R659 560K
R663 330
R670 330
10
– 23 –
CD-PC672
L-CH
2
1
3 R-CH
5 L-CH
4
6 R-CH
JK401
C482
R481
2.2/50
1K
R482
100K
C481 C484
0.022 0.001
+B
FW601
5
R613
100K
C609
100P
C607
1
47/25
R615
C605
8
100P 12K
2
1
3
R621
C611
R611
2.7K
10/50
560
C603
47/25
C604
47/25
R612 C612
R626
560
10/50
22
5
7
6
C606
4
100P
C610
100P
D652
4
DS1SS133
SPEANA3
1
R672
C666
100K
2.2/50
8
D653
7 DS1SS133
SPEANA2
R665
C665
100K
2.2/50
D654
4
DS1SS133
SPEANA1
1
R674
C664
2.2/50 100K
8
7
ZD651
DZ6R2BSC
11 12
VIDEO_1
IN
VIDEO_2
IN
JK601
HEADPHONES
C621
0.001
5
4
3
2
1