Sharp SD-EX220 (serv.man2) Service Manual ▷ View online
SD-EX220H
6 – 1
Audio
SD-EX220H
Service Manual
Market
E
CHAPTER 6.
CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Wiring side of P.W.Board/schematic diagram
C781
C782
R725
C627
C629
R720
R682
R618
R619
R616
R719
R615
R614
R613
R612
R652
R738
C602
C625
R737 C603
R762
R710
R709
C601
C624
R651 R606
R743
R602 R601
R608
R609
C635
C623
C605
C607
R623
C609
IC701
R627
R628 R630 R631
R633 R632
R637
R641
R646
R647
R639 R643 R642
R772
R634 R635
R644 R777 C615
R636
C637
C639
R730
R638
C636
R785
R649
C633
C632
R648
C634
R770
C770
R771
C612
C611
R761
R783
BR
COLOR TABLE
RD(R)
OR
YL
GR
BL
VL
VL
GY
WH(W)
BK
PK
PK
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
BLACK
PINK
D781
SW610
OPEN/
CLOSE
SW608
STOP
IC780
R659
D780
C780
R728
R670
SW612
SKIP/
TUNING
DOWN
SW615
PLAY/
PAUSE
R724
Q606
D603
D605
C630
SW604
SKIP/
TUNING UP
SW607
TUNER
(BAND)
R718
SW611
BASS/
TREBLE
SW606
AUX
D604
BI601
R620
R681
L601
C604
R673
R721
R739
R610
R716
R611
R775
SW601
VOLUME
DOWN
R776
D617
BI602
D608
R714
R734
R696
R723
SW609
ON/
STAND-BY
C620
LED604
R700
R717
R733
L602
R699
R603
R690
R693
R692
R691
C785
R695
R607
C619
C622
SW602
VOLUME
UP
XL601
C608
C786
C640
R645
C617
R779
C616
R778
C614
R731
IC608
C628
C638
R729
Q608
R741
R671
CNP601
JHP601
HEADPHONES
CNP602
CNP771
SW771
CD
DOOR
OPEN/CLOSE
BI771
RM601
C613
Q607
LED601
LED602
C618
CNS601
CNS602
CNS771
FFC501
FL601
1
5
10
15
20
25
35
40
45
50 51
55
60
65
70
75
85
90
95
80
81
100
30
31
31
1
5
4
3
2
1
6
1
12
10
11
9
8
7
6
5
4
3
2
1
5
4
3
2
1
1
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
34
1
2
1
2
1 2
CNP501
6 - 3 7 - F
TO MAIN PWB
RD
BL
BL
BL
BL
BL
BL
BL
BL
BL
BL
CNP931
TO POWER PWB
RD
WH
BL
WH
BL
HEADPHONES
PWB-B2
DISPLAY PWB-B1
GR
RD
SWITCH PWB-B3
3
1 3 2
2
1
1
2
2
3
3
2
2
1
1
2
3
2
3
1 2 3
45
44
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
2
1
6 - 4 5 - F
A
B
C
D
E
F
G
H
1
2
3
4
5
6
SD-EX220H
6 – 2
R522
R517
R515
R525
R519
C515
R513
C571
C570
C502
C572
R502
R501
C538
R556
R402
R403
R548
R550
R552
R408
R409
R412
R411
R549
C549
C548
R438
R426
R423
R422
R425
R432
R424
R574
R575
C552
R576
R572
R545
C569
C553
C543
R541
R543
R547
IC502
R537
R544
R542
R538
R536
C544
C568
C535
C536
R551
R546
R540
R526
IC501
C514
R514
R516
R518
R520
R51
RS17
QS11
RS18
QS13
RS14
RS15
DS12
RS22
RS21
RS20
CS12
QS12
RS19
QS04
QS05
QS03
CS01
QS01
QS02
QS08
RS07
RS05
QS07
QS06
QS10
QS14
DS04
DS01
RS16
R591
C591
R596
R598
R597
R500
C594
R594
C586
IC503
R593
C587
R595
R586
R585
R584
D582
R599
BI502
R400
C405
C5
C525
Q551
C523
ZD400
C406
C519
C513
IC401
C404
C511
C403
R405
C501
R511
R503
R528
C409
C411
ZD402
C531
IC402
C408
R555
C407
Q536
R557
ZD401
C410
R406
R407
C546
Q545
D403
D404
Q544
D400
CNP532
Q400
D402
D401
BI511
Q547
Q548
PS421
R431
D581
Q423
C424
R427
R428
C402
C401
C400
IC400
ZD421
LF402
SO421
SPEAKER
TERMINAL
LF401
C425
R429
CNP513
R430
RL421
D422
C422
C421
R421
Q422
D421
Q421
Q424
D423
R434
C423
R433
CNP401
Q546
C559
R569
Q540
R560
R559
R573
R571
R539
C545
C541
C556
ZD556
Q539
R570
R535
Q543
C561
C562
C542
C555
C560
Q538
R558
D535
Q535
C537
C530
Q552
C503
C504
R512
C512
C516
C520
C522
C524
ZD2
C
ZD1
CNS502
CNS511
CNS513
M401
FAN MOTOR
CNS401
CNPS02
RS11
RS13
DS02
DS03
CS02
CS06
CS03
RS06
DS05
DS06
DS06
CS05
RS04
CNPS01
RS03
RS01
RS10
RS12
BIS01
R582
R583
R587
C585
C582
C584
R590
C583
C593
C588
R588
C590
C589
R592
R589
C592
C595
Q581
Q549
Q550
JK500
SUBWOOFER
OUT
1
5
10
15
20
12
13
24
1
4
8
5
1
2
3
4
1
2
3
1
8
1 2 3 4 5 6 7
1 2 3 4 5 6 7
8 910
1 2 3
1 2 3
1
7
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
1
4
1
2
1
2
1
2
3
4
CNSA103
6-7
8
-B
FROM
1-BIT
A
MP.
PWB
PROTECT CIRCUIT PWB-A3
RD
BR
CNS932
6 - 4 4 - E
FROM POWER PWB
CNA101
6 - 7 8 - G
TO 1-BIT AMP. PWB
1
BR
COLOR TABLE
RD(R)
OR
YL
GR
BL
VL
VL
GY
WH(W)
BK
PK
PK
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
BLACK
PINK
L-CH
R-CH
E
C
B
C
B
B
C
E
C
E
B
C
E
C
E
B
C
E
C
E
E
C
B
C
B
1
2
3
2
3
E
C
B
C
B
E
C
B
C
B
B
C
E
C
E
S
G
D
G
D
B C E
B C E
E C B
E C B
3 2 1
3 2 1
RD
GR
GR
GR
WH
WH
WH
1 2 3
RD
GR
GR
GR
WH
WH
WH
E C B
4
5
8
1
B C E
B C E
3 2 1
A
B
C
D
E
F
G
H
1
2
3
4
5
6
SD-EX220H
6 – 3
C81
R83
CT25
CT23
CT22
CT26
RT28
CT27
RT29
RT30
RT27
CT28
RT32
CT30
RT31
RT25
RT26
RT24
CT29
C84
C566
C564
C565
C44
R577
R578
R579
R580
R35
R37
C40
R
38
R33
R34
R36
C42
R
39
R32
C38
C37
C39
C36
C35
R103
R104
R105
C33
C102
C30
R24
R101
R102
C31
C117
R108
IC101
R107
C110
R111
C106
C114
R581
R521
R524
C527
R523
R522
R517
R515
R525
R519
1
R516
R518
R520
C528
R51
R52
C51 R56
C55
R55
C50
IC3
R57
R62
R58 R84
C54
R59
R61 C52 R60
R82
IC2
R64
C86
C87
R72
R112
C22 R17
C18
R73
C20
R15
R14 R12
R11
IC1
C17
C2
C16
C14
C10
R9 C3
C9
C5
R8
C7 R10 C6 C4
Ð
+
1
7
1
8
RT22
LT21
CT21
XT21
ICT21
RT21
CT31
CT32
LT22
CT24
QT21
C85
L2
IC4
JT501
AUX INPUT
Q1
R40
Q84
C41
R31
R30
R29
R28
R27
R26
R25
Q101
D101
R106
C88
XL1
C101
C109
C29
R115
L101
C107
C103
C108
R114
C105
C113
CNP502
CNP501
R527
R400
C405
C521
C525
Q551
C523
ZD400
C406
C519
C516
C520
C522
C524
ZD2
C526
ZD1
C60
C56
C83
Q2
D1
D2
R53
R63
C53
CNP5
C82
D82
R13
C58
Q82
CNP4
Q3
C70
CNP2
C59
C57
C115
C116
C69
C21
C19
L1
R109
R7
R16
C12
C1
C15
C11
CNP1
C13
R3
R6
R4
C43
R1
R2
R5
CNS5
M1
CD DOOR
MOTOR
M801
SLED MOTOR
M802
SPINDLE MOTOR
SW4
PICKUP IN
CNP4A
CNS4A
CNS4B
CNS2A
CNS2B
CNS1A
CNS1B
FFC502
TUN1
FFC501
1
4
5
8
1
15
20
5
10
14
28
25
1
5
10
15
25
30
35
45
50
55 65
70
75
80
40
21 20
60 61
41
10
15
12
13
1
5
10
15
8
9
16
1
1 2
1 2
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
3
4
1
2
5
6
7
3
4
1
2
5
6
7
3
4
1
2
5
6
7
1
8 7 6 5 4 3 2
16
9 10 11 12 13 14 15
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
27
28
29
30
31
32
33
34
2 3
4 5
6 7
8 9
10 11
MAIN PWB-A1
1
34
1
11
CNP601
6 - 1 4 - G
TO DISPLAY PWB
TUNER UNIT
Ð
+
Ð
+
1
2
3
4
5
6
CD MOTOR PWB-D
RD
BR BK BK BK BK BK BK BK
BR
BR
BR
BR
BR
BK BK BK BK BK BK BR
PICKUP UNIT(306)
E C B
3 2 1
B C E
E
C
B
C
B
3
2
2
1
B C E
3 2 1
1
2
3
2
3
E
C
B
C
B
L-CH
R-CH
• The number
1
to
12
are waveform number shown in page 5-3.
2
4
4
5
8
7
7
1
6
9
10
3
12
11
7
8
9
10
11
12
SD-EX220H
6 – 4
R985
R964
C980
R915
R914
R973
R974
R980
R970
C939
R933
LUG904
C948
ZD932
C932
R962
PS934
C971
C949
Q931
D942
R963
R983
C950
D944
C951
CNP931
C981
PS935
ZD933
ZD931
R971
D908
LUG903
C
C918
R910
D906
D905
Q902
R902
T901
MAIN POWER
TRANSFORMER
PC901
PC902
R975
C983
C930
D937
C984
C985
C938
D939
D938
D930
C941
C942
PS932
LUG902
BI932
PS931
C953
D957
C956
C957
C958
IC934
BI900
C955
C954
IC933
D947
C940
CNP934
L931
IC931
R932
R930
R931
Q933
CNS932
CNSA100
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
1
11
1
2
3
1
2
3
4
2
3
4
1
2
3
4
5
6
7
8
9
10
RD
WH
BK
WH
BK
WH
BK
WH
BK
WH
WH
RD
BK
WH
BK
WH
BK
WH
BK
WH
RD
WH
WH
WH
BL
1
4
CNA100
6-7
1
2-F
TO
1-BIT
A
MP.
P
WB
CNP532
6 - 2 5 - F
TO MAIN PWB
CNSA104
6 - 7 10 - B
FROM 1-BIT AMP. PWB
CNS601
6 - 1 2 - D
FROM DISPLAY PWB
1
2
3
2
3
1
1
2
4
3
1
2
4
3
3
2
E
C
B
C
B
B
C
E
C
E
B C E
1
B R
COLOR TABLE
R D ( R )
O R
Y L
G R
B L
V L
G Y
W H ( W )
B K
P K
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
A
B
C
D
E
F
G
H
1
2
3
4
5
6
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