Sharp SD-EX220 (serv.man2) Service Manual ▷ View online
SD-EX220H
6 – 5
C916
C921
R915
R914
BL
BR
03
D902
C912
R905
R984
R906
R904
R917
D953
D952
C966
C967
D951
D950
C965
C904
L901
C903
VA901
R901
C901
LUG905
C905
C906
L902
C902
D901
C908
TH901
T903
SUB POWER TRANSFORMER
C911
R903
D907
R918
C920
R908
R907
R909
IC901
R919
C919
C917
C915
L905
R916
C918
R910
R
C914
C913
C909
C907
LUG901
CNP901
CNS901
F901
T3.15A L 250V
1
2
1
2
POWER PWB-A2
1
2
3
1
3
5
2
4
AC POWER
SUPPLY CORD
AC 230 V, 50 Hz
When Servicing, pay attention as the
area enclosed by this line (
area enclosed by this line (
) is
directly connected with AC main voltage.
7
8
9
10
11
12
SD-EX220H
6 – 6
RA101
RA100
RA430
RA476
DA404
QA415
RA480
RA478
QA414
RA477 RA479
RA475
CA416
RA481
RA422
DA405
RA158
RA156
RA155
RA157
CA130
DA130
DA132
RA122
CA166
DA108
CA146
DA110
CA178
CA160
DA112
DA114
DA111
CA145
DA131
DA133
CA159
DA113
DA109
CA175
CA165
DA115
DA116
DA107
DA403
DA400
DA401
CA420
CA418
CA419
RA123
QA416
ICA401
RA421
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
ORANGEYELLOW GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
LFA400
RA416
RA415
CA194
ICA100
CA132
RA151
RA150
1
5
10 15
20
12
13
24
1
4
5
8
1-BIT AMP. PWB-C
(TOP VIEW)
(TOP VIEW)
• The number
1
to
6
,
11
,
12
are waveform number shown in page 5-2.
1
2
3
4
A
B
C
D
E
F
G
H
1
2
3
4
5
6
SD-EX220H
6 – 7
CA409
CA138
CA123
CA137
CA133
CA124
CA135
CA110
CA134
CA411
CA144
RA126
CA152
CA156
CA114
CA142
CA116
RA172
RA138
RA174
RA130
RA132
RA134
RA140
RA136
RA144
RA142
CA184
CA186
CA413
RA406
CA402
RA412
CA403
CA401
RA429
RA426
CA417
PSA400
RA403
CA414
RA400
RA146
RA148
QA400
RA170
RA409
RA428
CA192
RA152
CA405
RA427
RA425
RA424
RA147
CA185
CA183
CA404
RA137
RA149
RA145
RA173
RA171
RA143
RA131
CA193
RA153
RA135
RA139
RA175
RA141
RA133
CA115
CA117
CA141
RA434
RA127
RA438
RA432
CA151
CA155
CA143
RA436
RA431
RA437
RA433
RA435
RA159
RA109
CA408
CA105
RA105
RA107
CA104
RA108
RA103
RA104
RA106
RA102
CA131
BIA104
LA400
LA100
LA102
ICA102
CNA101
CA407
ICA101
LA101
LA103
LA104
LA106
LA107
LA105
LFA101
LFA100
BIA103
CA406
CA180
CA182
CA150
CA154
LFA403
CA412
CA199
CA103
LFA402
CXA100
CA102
CA410
VRA100
CA100
VRA101
CA101
CA149
CA153
CA181
CA179
CA197
CA187
CA188
CA196
CNA100
CNSA103
CNSA104
7
1 2 3 4 5 6
1
5
1
6
1-BIT AMP. PWB-C
(BOTTOM VIEW)
(BOTTOM VIEW)
1
2
3
4
4 3 2 1
RD
GY
GY
GY
CNPS02
6 - 2 2 - G
TO PROTECT CIRCUIT PWB
4
5
3 2 1
RD
WH
WH
WH
WH
CNP934
6 - 4 4 - C
TO POWER PWB
CNSA100
6-4
2-D
FROM
POWER
P
WB
CNS511
6 - 2 3 - E
FROM MAIN PWB
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
VRA100
R-CH OUTPUT
OFFSET
ADJUSTMENT
R-CH OUTPUT
OFFSET
ADJUSTMENT
VRA101
L-CH OUTPUT
OFFSET
ADJUSTMENT
L-CH OUTPUT
OFFSET
ADJUSTMENT
Through-hole where the top, bottom and ground patterns are connected.
Through-hole where the top, and bottom patterns are connected.
Through-hole where the top, and bottom patterns are connected.
Through-hole where the top, bottom and +B patterns are connected.
5
6
11
12
7
8
9
10
11
12
SD-EX220H
6 – 8
0.047
0.047
4.7K
1
0.001
0.001
0.001
0.047
0.22/50
0.1
12K
0.001
47/10
10
KTA1266 GR
47
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
12K
22P
(CH)
DS1SS133
39K
33/25
KRC104 M
3.9K
4.7K
100/10
4.7K
100
100/16
3.3/16
330
0.0027
0.001
0.047
10/50
100P(CH)
0.1
0.1
3.9K
6.8K
0.022
0.1
47/25
100K
12K
47/25
DZ6.2BSB
LM358D
OP-AMP.
2.2K
100K
0.1
12K
1.2K
1K
1K
680
680
0.022
33K
10K
0.22/50
27K
22P
(CH)
2.7K
10K
1K
0.01
47/25
0.01
8.2K
8.2K
22K
8.2K
8.2K
22K
28 27
26 25 24 23 22
1
2
3
4
5
6
4
3
2
1
5
6
7
8
33
32
31
30
29
28
27
26
25
24
23
21 22
69
80 79 78 77
76
75 74 73 72 71 70
TRÐ
VCONT
TDO
LD
D_+5V
LD_MÐ
LD_M+
VCONT
LID_SENS
SPDO
FDO
LD_M+
LD_MÐ
TR+
FO+
TRÐ
SLDO
PUIN
VREF
PD
TIN2_F
TIN1_E
FIN2_B
FIN1_A
TDO
SP+
SL+
SPÐ
PUIN
SLÐ
PD
FOÐ
FO+
TR+
FIN1_A
FIN2_B
LD
TIN2_F
TIN1_E
D_GND
D_GND
VCONT
VO3+
VO4-
VO4+
VO5+
VO5-
VCC2
FWD
REV
VCC
S
VIN4G
VIN4
VCONT
SGND
D_GND
VCC
VREF
E
A
B
F
C
LD
VR
PD
FO-
FO+
TR+
TR-
-
+
+
-
GND
FO-
LD
VR
PD
FO+
TR+
TR-
C
F
B
A
E
VREF
VCC
PICKUP UNIT
TR-
LDD
LDS
FR
VVDD
PCKIST
VVSS
PDO2
PDO1
CONT2
CONT3
VSS
MONI2
MONI1
FSEQ
V/*P
DEFECT
SBCK/FG
CONT5
CONT4
GPDAC
SLDO
SPDO
FDO
TDO
REF1
VREF
ADAVSS
ADAVDD
JITTC
RFMON
TE
TEC
FE
TIN2 F
TIN1 E
FIN2 B
FIN1 A
RFVSS
RFVDD
RF
EFMIN
SLCIST
SLCO
TR+
FO+
FO-
SLIDE
SPIN
+
-
PU-IN
1
1
2
2
1
3
6
5
4
1
2
3
6
5
4
1
2
3
6
5
4
1
2
3
6
5
4
1
2
4
7
1
6
2
5
3
4
7
1
6
2
5
3
4
7
1
6
2
5
3
4
7
1
6
2
5
3
7
6
2
3
8
5
4
1
7
6
2
3
8
5
4
1
7
6
2
3
8
5
4
1
7
6
2
3
8
5
4
M
M
M
VCC
GND
CD MOTOR PWB-D
2
1
3
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
LASER DRIVER
MUTING
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
CNP1
CNS1A
CNS1B
R3
R4
R5
R6
R7
R2
R1
C44
C5
C3
R39
R9
R8
C4
C43
R40
Q1
C40
C41
C42
R38
R35
R34
R33
R37
R36
CNP2
CNS2A
CNS2B
C86
C87
C1
C2
R10
C6
TP3
C7
TP1
C16
C17
R11
C14
C13
C12
C11
C15
R82
Q82
R16
R12
R14
R15
R64
R72
R13
C82
D82
R58
CNP5
CNS5
C51
C52
C53
R59
R56
R55
R57
C57
R63
C55
C56
ZD1
R60
C50
IC3
C54
CNP4
CNS4A
CNS4B
CNP4A
R61
R62
C18
C10
C9
TP2
IC1
LC78646E
CD SERV
M1
CD DOOR
MOTOR
SW4
PICKUP IN
M801
SLED
MOTOR
M802
SPINDLE
MOTOR
1 6
2
7
8
4
5
A
B
C
D
E
F
G
H
1
2
3
4
5
6
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