DOWNLOAD Sharp CD-C470E (serv.man3) Service Manual ↓ Size: 2.94 MB | Pages: 76 in PDF or view online for FREE

Model
CD-C470E (serv.man3)
Pages
76
Size
2.94 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-c470e-sm3.pdf
Date
PREV: Sharp CD-C470E (serv.man2) Service Manual

Sharp CD-C470E (serv.man3) Service Manual ▷ View online

– 33 –
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
7
8
9
10
11
12
Figure 33 SCHEMATIC DIAGRAM (12/14)
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
7
6
5
4
3
2
1
8
17
16
15
14
13
12
11
10
9
8
7
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
PLL
(TUNER)
AM:( )
FM(ST):OTHER
2.6V
(0V)
(0V)
2V
(0V)
5.2V
(3.6V)
0V
(0V)
3.9V
0V
(12.1V)
11.3V
(0V)
11.3V
12.1V
(0V)
(0V)
0.7V
0.7V
0V
0V
0V
0V
RDS
VREF
SYR
CE
DI
CL
DO
RDS-ID
SYNC
VDDD
VSSD
XIN
XOUT
FLOUT
VSSA
MPXIN
CIN
T1
T2
VDDA
CD-C470H/ 480H ONLY
AM SIGNAL
FM SIGNAL
TO MAIN PWB
P27 8-A
CNP502
CD-C470H/480H
ONLY
SD
SM
R
L
TUN MUTE
A GND
A+12V
DI
CE
DO
CLK
D GND
3
2
1
FM DET
STEREO
VCC
IF OUT
PHASE
PHASE
(FM/AM)
MO/ST
R-CH  OUT
MPX
IN
MPX VCO
L-CH OUT
CD-C470H/ 480H ONLY
CD-C470H/480H
ONLY
(CH)
TP
TP
TP
(CH)
LOW PASS
FILTER
MUTING
MUTING
MPX PHASE
TP
D351
1SS133
R385
5.6K
C391
47/16
R384
5.6K
D352
1SS133
R376
1K
R378
82K
C386
330P
CNP303
R354     3.9K
C399 0.022
C354
0.022
R393
1K
C358
1/50
ZD351
MTZJ5.1B
RT49
390
RT48
390
CT43
10/16
RT21 100K
RT26
1K
RT28
1K
RT30
1K
LT22 0.2
µ
H
RT37
220K
RT36
220K
R356
1K
27P
C369
C373
0.033
C374
0.033
R357
470K
R364
2.2K
L354
R363
2.2K
R366
10K
R368
33K
R365
10K
C375
3.3/50
R367
1K
Q353
KTC3199 GR
Q354
KTC3199 GR
X351
C368
1/50
R353
270
IC303
LA1832
L352
100
µ
H
CT23
10/16
ICT21
LC72720
C355
22P
C370
1/50
ZDT21 MTZJ5.1B
C357
2.2/50
R355
3.3K
C356
0.001
CF351
C398
100/10
RT32 10K
RT33 56K
QT21
KTC3199 GR
CT37 0.022
RT34
56K
R362
470
C372
1/50
R361 470
C371
1/50
D353
1SS133
R395
47K
R359 1.8K
R360
4.7K
C396
100/10
C395
0.022
Q360
KTA1266 GR
R383
5.6K
R392
390
R391
390
IC302
LC72131
CT24
0.022
CT25
560P
XT21 4.332MHz
CT26
22P
CT29
0.022
CT28
47/10
RT29
1K
LT21
0.2
µ
H
CT21
47/10
CT22
0.022
CT36 0.022
R387
22K
Q361
KRC107 M
ZD352
MTZJ3.9B
CT27
22P
C367
1/50
R350
2.7K
RT35
220K
R370
1K
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
– 34 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
Figure 34 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
P26 5-H
CNP501
SRS PWB-A2
CD-C480H ONLY
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
C457
100/16
C456
100/16
D451
1SS133
R478
1K
R468 1K
R500 6.8K
R498
4.7K
R495
1K
R493
1K
CNS501
R483
100K
C471
100/16
C469
0.2 2
C475
0.22
IC451
SRS5250S
R487
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
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
– 35 –
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
7
8
9
10
11
12
Figure 35 SCHEMATIC DIAGRAM (14/14)
5.6V
5.6V
5.6V
5.7V
5.7V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
11.3V
5.6V
5.6V
5.6V
5.6V
5.6V
0V
5.6V
5.6V
5.7V
5.7V
5.6V
5.6V
9
8
7
6
5
4
3
2
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC451
11.4V
0V
0.2V
5.7V
12.0V
12.0V
6.0V
12.0V
5.7V
5.7V
5.7V
5.7V
5.7V
6.0V
5.7V
0V
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC453
0V
0V
0V
4.9V
0V
4.9V
4.9V
0V
0V
4.9V
4.9V
4.9V
0V
0V
0V
4.8V
0V
0V
4.8V
3.5V
0V
0V
0V
5.2V
5.2V
0V
0V
0V
0V
4.9V
4.9V
5.2V
0V
0V
2.3V
2.3V
4.9V
4.9V
4.9V
4.9V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC601
4.9V
4.9V
5.4V
4.9V
4.9V
4.9V
4.9V
0V
0V
0V
5.2V
4.9V
4.8V
0V
0V
12.3V
12.3V
4.9V
0V
4.9V
0V
0V
4.9V
4.9V
50
49
48
47
46
45
44
43
42
41
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
4.9V
0V
0V
0V
4.9V
0V
4.9V
4.9V
5.2V
5.2V
4.8V
4.9V
0V
0V
0V
0V
68
67
66
65
69
80
79
78
77
76
75
74
73
72
71
70
4.9V
4.9V
4.9V
5.2V
5.1V
5.1V
5.1V
5.1V
5.2V
5.9V
5.2V
5.2V
0V
5.2V
5.2V
5.2V
5.2V
5.2V
5.3V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.9V
5.1V
5.2V
5.9V
5.2V
5.9V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
10.3V
0V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC201
2.6V
5.3V
5.2V
5.2V
0V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
10.4V
0.7V
2.0V
0V
4.9V
4.9V
4.9V
5.2V
5.2V
5.2V
5.2V
5.2V
2.4V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC202
5.5V
5.3V
5.5V
5.3V
5.3V
5.5V
5.5V
0V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.3V
5.5V
5.3V
5.3V
5.3V
5.3V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
11.0V
5.5V
5.5V
5.4V
5.3V
5.5V
5.5V
5.5V
5.5V
5.5V
0V
0V
0V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.3V
5.5V
5.3V
5.3V
5.3V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
IC501
0V
0V
0V
0V
0V
–11.7V
0V
6.4V
8
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC502
0V
0V
0V
0V
0V
–11.7V
0V
6.4V
8
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC503
0V
0V
0V
0V
0V
–11.7V
0V
6.4V
8
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC504
0V
0V
0V
0V
0V
–13.2V
0V
11.0V
8
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC651
0V
3.1V
–28.4V
–28.4V
–28.4V
–28.4V
–28.4V
–28.4V
–28.4V
4.85V
4.85V
0V
4.75V
0V
3.3V
4.7V
0V
0V
5.0V
4.8V
4.8V
0V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.9V
4.8V
0V
4.8V
0V
2.3V
2.1V
0V
0V
0V
0V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC701
4.8V
0V
4.9V
0V
0V
–22.2V
–15.9V
–25.1V
–31.3V
–31.3V
–18.9V
0V
4.7V
0V
0V
0V
0V
4.9V
4.9V
–22V
–28.2V
–31.3V
–22.2V
–18.9V
50
49
48
47
46
45
44
43
42
41
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
–28.4V
–28.4V
–28.4V
–28.4V
–22.1V
–31.3V
–13.0V
–31.3V
–28.2V
–31.3V
–19.0V
–31.3V
–31.4V
–31.3V
–31.3V
–31.3V
68
67
66
65
69
80
79
78
77
76
75
74
73
72
71
70
0V
10.8V
9.4V
9.1V
1.8V
9.1V
10.6V
1.8V
1.8V
0V
0V
1.0V
1.0V
1.0V
1.8V
1.8V
9.3V
4.8V
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC702
0V(0V)
0.6V(0.6V)
2.8V(2.6V)
0V(0V)
0.6V(0.6V)
2.8V(2.7V)
3.6V(3.5V)
0V(0V)
0V(0V)
2.8V(2.7V)
2.8V(2.7V)
0V(0V)
0V [1.3V](0V) <1.3V>
0V(0V)
0V(0V)
( ):CrO
2
PLAY
< >:CrO
2
REC
[ ]:CD NORMAL REC
OTHER:CD NORMAL PLAY
0V(0V)
0.6V(0.6V)
2.8V(2.6V)
0.6V(0.6V)
5.8V(5.6V)
0V(0V)
0V(0V)
0V(1.0V)
0V(0V)
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO.
VOLTAGE
IC101
5.1V(5.1V)
2.5V(2.1V)
2.5V(2.1V)
0.9V(0.9V)
2.4V(0V)
2.2V
1.4V
3.9V(1.2V)
3.9V(1.9V)
3.5V(0.3V)
5.1V
5.1V
5.0V
0V
2.2V
5.1V
2.2V
2.2V
2.9V(3.6V)
4.0V
1.4V
2.4V(0.9V)
0V(1.9V)
3.6V(3.6V)
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC303
2.6V
0V
1.9V(1.1V)
5.1V
2.5V(0V)
0V
0V
5.1V(5.1V)
4V(0V)
0.4V(0V)
0.3V(12.3V)
0.5V(5V)
4.8V
2.6V
(  ):AM
OTHER:FM(ST)
0V
0V
0V
12V(0V)
0V
0V(2.5V)
0.9V
0.9V
9
8
7
6
5
4
3
2
1
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC302
0V(0V)
0V(0V)
4.8V(4.8V)
0V(5V)
0V
0V
5.2V(0V)
2.6V(0V)
0V
0V
0V
0V(0V)
2.6V(0V)
2.6V(0V)
2.6V(0.2V)
2.6V(0V)
5.2V(0V)
0V(0V)
0V(0V)
2.7V(0V)
0V(0V)
0V
0V(0.6V)
0V(0V)
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
ICT21
0V
0V
–30.1V
28.4V
29.9V
0V
–30.1V
–29.2V
2.2V
–1.4V
0V
0V
0V
–27.5V
–29.9V
0V
0V
0V
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC901
1.3V
3.3V
0V
28.7V
0V
29.8V
26.7V
15.4V
26.7V
15.4V
0V
0V
1.3V
0V
9
8
7
6
5
4
3
2
1
14
13
12
11
10
PIN
NO. VOLTAGE
IC951
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
– 36 –
Figure 36 WIRING SIDE OF P.W.BOARD (1/7)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• The numbers   
1 
  to  
12 
 are waveform numbers shown in page 43.
C463
C462
C464
C466
C468
C470
C472
C458
C475
C457
C471
C467
C469
C465
C454
CNS501
R457
C453
R458
R451
Q463
R481
Q469
Q468
D451
IC453
C460
C456
R499
R497
R494
R491
C474
C473
Q461
R475
Q458
Q459
Q460
Q467
R449
Q466
R483
C461
R490
R482
R484
R479
R480
IC451
R468
R469
R488
R466
R465
1
5
10
14
15
20
25
28
R500
1
2
3
4
5
6
7
8
9
10
11
R498
R487
R478
R495
R493
C476
R492
R453
R454
8
9
B C E
B C E
10
15
16
1
5
R470
R473
R474
R452
R560
R532
IC502
5 6 7 8
R546
R545
R538
IC503
R540
C576
D554
D553
D551
R556
D552
C579
C578
C553
C577
D556
C542
R551
R569
R570
C546
IC504
C538
C552
C532
C540
D555
ZD551
C528
R559
C536
C580
C524
C544
CNP502
WT502
D501
1
2
3
4
5
6
7
D502
C591
C246
C2
R576
R215
R214
C516
C510
C508
C233
C504
C506
C502
C512
C518
C501
C503
D557
C526
C520
C507
C522
C509
C549
C505
C530
C534
C511
C550
C515
C517
C521
C519
C523
C525
C533
C545
C539
C537
C535
C531
C527
R529
R528
R530
C551
C529
C547
C541
C543
R571
R574
C548
BI99B
WH
RD
BK
Q501
C861
C854
C852
R865
C862
Q502
IC651
R521
C851
R522
C853
R866
C222
C221
R575
C226
C223
C225
C227
R223
C228
R210
C229
C237
R209
C232
C234
C239
R211
C231
C240
C230
C242
IC202
C244
C236
C204
C201
C202
1
5
10
15
20
21
22
25
30
35
40
42
C203
C206
C205
C207
C208
IC201
C211
C209
C212
C210
C214
C213
C216
C220
C215
C217
C219
C218
C224
Q503
Q504
D824
WT901
R820
L99
C99
C98
IC99
C864
D560
D561
C825
R825
D825
R823
Q825
C865
Q824
Q823
ZD822
D823
C826
R826
Q829
R829
R828
C831
C830
Q827
Q826
D822
C829
R822
C822
C828
R821
Q822
Q821
ZD823
D821
ZD821
R832
R831
R830
R684
Q828
D602
C827
D827
D826
F821
T500mA L 250V
C823
Q133
Q131
CD-C480H
C581
C565
R533
R531
C567
C566
R535
R534
C568
R542
R536
R544
C570
C572
R537
R539
R543
R541
C569
C571
R554
R555
R557
C575
R549
R553
C583
R550
C574
R552
R547
C573
R548
R558
C582
R502
C514
R504
R520
R518
R516
R514
R512
R515
R513
R517
R511
R519
R501
C513
R503
IC501
R851
R509
R507
R510
R572
R508
R573
R861
R863
R856
C859
R862
C855
R864
C555
C856
R857
C556
R858
R852
R855
R854
C860
R853
R222
R216
R221
20
15
13
12
5
10
C235
C558
C557
1
2
3
4
5
6
7
8
9
C587
C585 
C586
C588
R563
R567
R564
R568
R561
R565
R562
R566
R824
C824
C821
R155
R
4 3 2 1
5 6 7 8
4 3 2 1
1 2 3 4 5 6 7 8 9 101112
1 2 3 4
8 7 6 5
1
5
10
15
16
17
20
25
30
32
33
35
40
45
4849
50
55
60
64
1 2 3 4
8 7 6 5
J501
3
1
1 2 3 4 5
B C E
1 2 3
3
2
1
3
2
1
1
2
3
3
2
1
3
2
1
E C B
E C B
B
C
E
B
C
E
B C E
1 2 3
B C E
B C E
B C E
B C E
B C E
1
2
3
3
TO
POWER AMP PWB
P41 10-C
FW901
TO
TUNER PWB
P39 8-D
MAIN PWB-A1
CNP303
TO
DISPLAY P
P38 5-A
FW702
TO
POWER PW
P40 3-A
CNS801
 SRS PWB-A2
CD-C480H ONLY
L-CH
R-CH
VIDEO/AUX 1 IN
L-CH
R-CH
VIDEO/AUX 2 IN
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