Sharp CD-E250 (serv.man14) Service Manual ▷ View online
CD-E250E
CD-E550E
– 28 –
Figure 28 SCHEMATIC DIAGRAM (7/13)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
0.0047
1N4004
1K
1K
0.0082
1K
0.0082
KIA7808API
3
1
0.022
3.3K
1N4004
0.022
KIA7805API
3
1
0.022
KIA7812API
3
1
3300/35
4700/50
KSC1815 GR
0.0015
1N4004
220/25
33/16
6.8K
10K
10K
1K
KSC1815 GR
39K
HSC1609
0.022
100/16
10
HSB562 C
560
KSC1815 GR
1K
4700/50
47/25
470/16
10K
1K
2
2
2
7 6 5 4 3 2 1
1 2 3 4 5 6
8
7
6
5
4
3
2
1
7
6
5
4
3
2
1
+7V
D_GNG
SD
D_GND
D_GND
M_GND
µ
_CON5V
+B
+B
+B
+B
FM_ST
DI
DO
CE
CL
TO MAIN PWB(2/3)
TAPE SECTION
TAPE SECTION
M_GND
A_GND
TUN_L
TUN_R
D_GND
A_12V
CE
DI
CL
DO
FM ST
A_GND1
+B1
–B1
+B2
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B1
VCC_12V
REC L
REC R
TAPE R
TAPE L
–B1
–B
–B
–B
A_GND
SD
M_12V
A_GND1
D_GND
1/50V
A GND
+5.6V
CL
DI
DO
2
10
9
6
8
11
4
5
7
3
1
19
17 16
14
15
12
13
18
20
0.047
IN1
1
P32 1 - E
CNS202
FROM DISPLAY PWB
P43 12 - B
CNP201
TO POWER PWB
P31 11 - C
CNS204
FROM CD SERVO PWB
P25 12 - B
TO MAIN PWB(1/3)
TUNER SECTION
P23 12 - E
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
CHASSIS
GND
CNP202
C202
C201
R201
CNW201
CNS201
CNP204
D207
D210
C105
R109
R107
R101
R102
Q101
C101
R103
C851
C207
C206
R127
C119
R128
C120
R105
R106
R104
Q102
C103
IC203
C210
C209
R217
C208
C203
IC202
C204
C205
Q206
R218
R219
Q207
IC201
D201
C211
C212
Q20
R202
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
AUX SIGNAL
CD-E550E
– 29 –
CD-E250E
CD-E550E
Figure 29 SCHEMATIC DIAGRAM (8/13)
7
8
9
10
11
12
2.2K
22K
2.2K
22K
5.6K
10K
0.0047
100/100
100/100
0.20
1N4148
1K
47/50
56K
2
0082
56
2.2
µ
H
220
33K
0.0022
0.0022
10/16
3.9K
10/16
GR
0.0015
1K
12K
47K
4.7
4.7
0.0047
1K
1N4004
3.3/16
1N4004
KSC1815 GR
12K
0.022
3.3K
1N4148
KSC1815 GR
KSC1815 GR
56K
56K
R
1K
470
100
1/50V
3P(CH)
10/50
1K
10/50
10/50
0.022
470
22K
0.022
10/50
0.0015
1K
100/50
56K
3P(CH)
39K
39K
KSC1815 GR
1N4004
3.3K
HSC1609 GR
SSC1674 C
22K
470K
10K 47/16
KSC1815 GR
1N4004
18K
100K
100K
1N4004
22K
1N4148
12K
0.022
0.20
0.20
3.3K
KSC1815 GR
KSC1815 GR
27K
3.3K
KSA1015 GR
100
100/50
KRC107 M
KRA107 M
0.022
0.022
6.8
6.8
0.022
0.022
10/16
2.2/50
LC75341M
0.1
3.9K
100/16
33/16
0.1
12K
10/16
0.1(CH)
1/16
1/16
1K
1K
1K
1K
0.0027
1K
2.2/50
1K
100K
100K
1K
1K
4.7/50
4.7/50
220P
10/16
10/16
10/16
10K
10K
220P
0.0027
0.1
(CH)
3.9K
33K
33K
0.0022
3.9K
33K
10/16
10/16
1K
1K
KSC1815 GR
DZH05C2+
220
1K
1 2 3
1
2
3
7
6
5
4
3
2
1
+B
AUX R
AUX L
LBS
O MAIN PWB(2/3)
APE SECTION
M_GND
TAPE L
+
+
–
–
+
+
–
–
TUN R
CD R
CD L
TUN L
CL
DI
CE
DI
CE
VSS
LOUT
LTRE
LIN
LSL0
L4
L3
L2
L1
R1
R2
R3
R4
RSL0
RIN
RTRE
RBS
ROUT
VREF
VDD
CL
R
L
B
+B
+B
+B
1
1
3
2
2
3
+B
+B
+B
+B
+B
TAPE R
R IN
L IN
A_GND
R OUT
L OUT
CD_L
CD_R
VCC_12V
REC L
REC R
TAPE R
TAPE L
–B
_
A_GND
1/50V
SP_RLY
(1W)
(1W)
0.20(1W)
(1W)
MUTE
CD+B
SP_DETECT
SIGAL_LVL
FAN_START
FAN_PRT
0.1
17 16
14
15
12
13
8
0.1
0.1
0.1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
3
1
2
3
FAN MOTOR
1
2
STK40207
IN2
NF2
GND
–VCC
PRE
–VE2
+VE2
–VCC
+VCC
–VE1
+VE1
BIAS
+VCC
PRE
N.C.
NF1
IN1
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
1
12
11
10
9
8
7
6
5
4
3
2
24
13
14
15
16
17
18
19
20
21
22
23
220P
10
µ
H
390
390
2.2
µ
H
CHASSIS
GND
CHASSIS
GND
1
2
3
1N4148
1N4148
M
HEADPHONES PWB-B3
TERMINAL PWB-B4
HEADPHONES
1
2
3
4
5
9
10
1
2
3
4
5
9
10
L OUT
L-CH
FRONT
SURROUND
R-CH
L-CH
R-CH
R OUT
A_GND
L IN
R IN
VIDEO/AUX IN
R-CH
L-CH
1
3
2
SPEAKER
TERMINAL
TERMINAL
P32 1 - D
FROM
DISPLAY PWB
CNS102
P25 12 - B
P31 11 - D
CNS205
FROM CD SERVO PWB
MAIN PWB-A(3/3)
RELAY
POWER AMP.
AUDIO
PROCESSOR
CNP102
C125
C145
C151
C150
SO101
R138
C127
R137
C128
C126
C146
CNP101
CNS101
CNP601
CNP205
R620
R618
R616
C626
C604
C605
R612
R623
C624
R614
R644
R642
R643
R641
C620
C619
C621
IC601
R608
C609
C622
C613
C615
R606
R604
C607
C611
R628
C616
R609
R605
R607
C612
C610
C601
R615
C614
R629
C606
C623
C602
R624
R625
R617
C627
R621
R619
R630
C603
R603
R602
R601
R613
C618
C617
C625
R622
IC101
C105
R109
R117
C112
C111
C113
R111
R132
C114
R113
C115
R118
C116
R114
R112
C106
R110
C108
C107
R107
R115
C109
C110
R101
R102
01
20
2
C103
R116
C104
R108
R221
ZD201
L105
R131
D104
RLY101
Q107
R135
R136
C133
C134
Q208
C135
C136
R120
R120A
D102
Q104
R124
C118
R122
Q103
D101
R123
C117
R119
R119A
R121
D103
Q106
R125
R126
C121
R206
C102
Q109
Q108
R130
C130
D205
Q105
Q203
D203
R208
R212
R209
D204
R210
D202
R203
Q201
R205
R207
R204
C213
Q202
R202
R211
Q204
C214
R213
Q205
CNS203
M101(204-4)
CNP203
SO601
L601
D605
D604
CNW601
CNS601
JK101
L103
R128A
R127A
CNW101
C608
CD-E250E
CD-E550E
– 30 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 30 SCHEMATIC DIAGRAM (9/13)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
68
1N4004
KSC3203 Y
3.3K
22K
1/50
0.01
3.3K
0.1
0.1
1.5K
100K
KSA1271 Y
KSC1815 GR
47
0.82
µ
H
100K
22K
KSA1271 Y
47P
10/50
47/25
0.01
3.3K
3.3
33K
33K
0.01
47/25
HSB562 C
33K
330
47/25
100P
0.002
10K
27K
0.1
1.5K
0.82
µ
H
KSC1815 GR
1N4004
330/10
1/10
0.82
µ
H
12K
KSA1271 Y
1N4004
33K
100K
KSC3203 Y
KSC1815 GR
0.047
0.1
100/10
0.82
µ
H
100
0.82
µ
H
KSA1015 GR
100/10
100/10
470
0.002
100/10
16
30
1
15
LA6548D
2
14
17
29
3
4
5
6
7
8
9
10
11
12
13
18 19 20 21 22 23 24 25 26 27 28
TR+
LD
VR
FO+
PD
GND
TR–
C
F
B
FO–
A
E
C
FO+
C
F
B
A
E
FO+
FO–
TR–
ACTUATOR
TR+
FO–
LD
TR+
VR
MD
GND
C
F
B
A
E
VCC
D
TR–
+
+
–
–
SP+
SP–
SL+
SL–
PU-IN
GND
D_GND
PU-IN
SL–
SL+
SP–
SP+
PICKUP IN
SLED
MOTOR
SPINDLE
MOTOR
VC
C
VR
LD
MD
SHORT
LAND
LAND
VCC
VC
ADAVSS
TDO
–
+
UP/DOWN
LOADING
M+
M–
MOTOR
VCC
VCC
MUTE
VREF
VIN1
VIN4
VG1
VG4
VO1+
VO4+
VO4–
VO1–
GND
GND
GND
GND
GND
GND
VO2–
VO2+
VO3+
VO3–
VG2
VG3
VIN2
VIN3
REG_OUT
REG_IN
RESET
CD
2
14
1
13
M
13
3
2
4
14
15
16
7
6
4
1
6
1
2
4
5
1
9
8
6
M
M
7
6
5
4
8
9
12
5
6
1
3
5
7
10
2
3
5
15
3
3
3
16
1
2
12
2
4
10
11
11
CD SERVO PWB-C
CD PICKUP UNIT
CD MECHANISM UNIT ASS'Y(238-1)
FOCUS/TRACKING/
SPIN/SLED DRIVER
SPIN/SLED DRIVER
CD PLAYER UNIT ASS'Y (238)
C414
C42
C421
L401
R415
R417
C406
R419
C403
FC401
R406
R402
R405
C401
C402
R404
CNP401
R403
R401
R451
C420
C409
C412
C418
C419
C408
C407
R420
C416
C422
R421
C415
L402
Q409
C410
C425
C417
L404
L403
C411
C404
R416
CNW402
CNS402
R453
R418
IC402
R413
Q407
L410
Q411
R412
C405
Q408
Q406
R414
Q401
R409
R408
R407
Q402
R410
Q405
R411
Q404
Q403
CNW404
D401
D402
D405
M401 (238-2)
NM802
NM801
SW1
CD SIGNAL
2
• The numbers
1
to
12
are waveform numbers shown in page 17.
– 31 –
CD-E250E
CD-E550E
Figure 31 SCHEMATIC DIAGRAM (10/13)
7
8
9
10
11
12
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
1K
10P(CH)
0
100/10
10K
0.022
10K
0.0015
10K
10K
DZH03C3+
100
10/50
0.01
0.82
µ
H
1K
1K
1K
1K
0.01
0.0015
10/50
50
0.022
680
0.82
µ
H
6.8K
10K
0.1
15K
10P(CH)
16.9344MHZ
0.82
µ
H
0.1
1.2K
30
LC78646E
1K
0.0022
10K
12K
680
1/50
0.047
0.82
µ
H
100P
100P
2.2K
1K
1K
1K
µ
H
2.2K
330/6.3
100P
100
100P
0.1
0.82
µ
H
0.82
µ
H
0.022
KSC3203 Y
220
DZH06B2+
47/16
100P
0.0022
0.82
µ
H
1
80
20
21
32 33
41
61
57
58
59
60
53
54
55
56
49
50
51
52
45
46
47
48
22 23 24 25 26 27 28 29 30 31
34 35 36 37 38 39 40
19
42
43
44
62
63
64
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
CLOSE_SW
DGND
OPEN_SW
MGND
DGND
T/T MOTOR
PWB-F
PWB-F
SWITCH PWB-G
CD PLAYER UNIT ASS'Y
(238)
(238)
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/FG
DEFECT
V/1P
FSEQ
MON11
MON12
MON13
MON14
MON15
VSS
VDD
DOUT
TEST
LRSY
ASDFIN
ASDACK
ASRACK
IGMOUT
EFLG
C2F
XVSS
FSX/16MIN
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
SLCO
SLCIST
EFMIN
RF
RFVDD
RSVSS
FIN1 A
FIN2 B
TIN1 E
TIN2 F
VREF
REF1
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
DATA
DATACK
LVDD
LDD
LDS
FR
VVDD
PCKIST
VVSS
PD02
PD01
CONT2
CONT3
VSS
VDD5
DRF
VRES
VWRQ
DO
DI
CL
CE
+
ROTATE+
ROTATE
CE
CL
DI
DO
VWRQ
CD_RES
DRF
ROTATE
DISC1_SW
DISC NO_SW
UP_SW
L-CH
R-CH
AGND
MGND
DISC1_SW
DGND
DISC NO_SW
DISC 1
DISC NO.
–
MOTOR
CORE
+7V
CLOSE_SW
DO
DI
CL
CD_CE
DOWN_SW
OPEN_SW
DISC
UP/DOWN
UP/DOWN
OPEN/
CLOSE
CLOSE
6
1
2
3
5
4
6
1
2
3
5
4
5
3
2
4
1
5
2
5
2
3
2
1
1
6
1
2
2
1
1
4
4
7
6
3
1
3
2
3
M
1
9
8
10
5
4
3
11
7
6
1
2
2
3
3
3
P32 4 - H
CNS405
FROM DISPLAY PWB
P26 5 - A
P28 5 - A
CNP204
TO MAIN PWB(3/3)
P27 7 - A
P29 7 - A
CNP205
TO MAIN PWB(3/3)
SERVO/SIGNAL CONTROL
R439
R438
R440
R441
C432
C431
R435
R437
R436
C429
C428
C430
CNP405
L409
SW401
CNW204
L412
C448
L407
CNS204
MR401
C433
R434
R430
C426
R424
R426
R429
C427
C434
C423
0
9
20
C422
R421
C425
IC401
C442
C447
L406
C443
R443
X401
ZD401
R447
C445
L411
Q412
R452
ZD402
C449
CNW205
CNS205
CNP406
SW402 (238-4)
C444
R446
R448
C440
C438
C441
R449
R442
C439
L405
R428
C436
R431
C437
R423
C435
R425
R427
R422
03
L408
CNW403
SW403 (238-5)
SW404 (238-6)
M402 (238-3)
12
9
3
11
10
7
8
4
5
2
6
1
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