DOWNLOAD Sharp CD-E250 (serv.man13) Service Manual ↓ Size: 99.68 KB | Pages: 4 in PDF or view online for FREE

Model
CD-E250 (serv.man13)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
99.68 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Block diagram
File
cd-e250-sm13.pdf
Date
PREV: Sharp CD-E250 (serv.man12) Service Manual

Sharp CD-E250 (serv.man13) Service Manual ▷ View online

– 19 –
CD-E250E
CD-E550E
T101
POWER TRANSFORMER
–30 V
SO101
SPEAKER
TERMINAL
CD-E550E ONLY
FRONT
SURROUND
R-OUT
L-OUT
RLY101
VF2
VF2
VF1
VF1
–B2
+B5
+B1
+B2
+B2
–B1
Q206
SYSTEM
MUTE
Q101
Q102
Q103
Q104
Q108
Q109
Q105
Q106
Q203
Q201,202
Q204,205
D905~D908
D901~D904
F903
T1.6A L 250V
F901
CD-E550E:T5A L 250V
CD-E250E:T4A L 250V
F902
CD-E550E:T5A L 250V
CD-E250E:T4A L 250V
+VCC
–VCC
PRE
–VCC
PRE
+VCC
IC101
CD-E550E:STK40207
CD-E250E:STK40205
POWER  AMP.
AC  POWER
SUPPLY  CORD
AC  230-240 V,50 Hz
SO601
VIDEO/AUX IN
7
6
4
1
15
10
11
+B4
IC203
KIA7808API
VOLTAGE
REGULATOR
+B3
DGND
+5.6 V
+5.6 V
IC201
KIA7805API
VOLTAGE
REGULATOR
A_12V
CD_7V
CD+B
+B2
+B3
+B3
IC202
KIA7812API
VOLTAGE
REGULATOR
8
9
12
L
R
JK101
HEADPHONES  
FROM
DISPLAY SECTION
CNS202
FROM
DISPLAY SECTION
CNS102
FROM
DISPLAY SECTION
CNS901
FROM
CD SECTION
CNS204
M
M101
FAN
MOTOR
FAN MOTOR
DRIVER
Q901
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q207
Q107
Q208
+B5
+B4
CD_+B
MUTE
SIGAL_LVL
SP_RLY
SP_DETECT
FAN_START
FAN_PRT
CL
CE
DI
L
R
L 
L 
R 
R 
R 
L 
TAPE
TUNER 
CD
IC601
LC75341M
AUDIO  PROCESSOR
21
4 
24
2 
1 
8 
18
17
11
3
15
10
R 
L 
AUX
16
9
7
23
14
12
13
+B2
6
5
4
3
2
1
6
7
5
4
3
2
1
1
2
3
4
5
CL
CL
DI
DI
CE
DO
DO
+7V
D_GND
M_GND
D_GND
5
4
3
2
1
202
CNP204
CNP102
CNP901
 Figure 19 BLOCK DIAGRAM (2/4)
CD-E250E
CD-E550E
– 20 –
 Figure 20 BLOCK DIAGRAM (3/4)
+7V 
+7V 
M402
ROTATE
MOTOR
M401
UP/DOWN LOADING
MOTOR
+
–
+3.3V
+3.3V 
TO  MAIN  SECTION 
CONSTANT
VOLTAGE
CONSTANT
VOLTAGE
Q411
Q412
Q401,402
Q403,404
Q405,406
Q407,408
LASER
DRIVER
+3.3V
+3.3V
Q409
CD PICKUP  UNIT
IC401
LC78646E
SERVO/SIGNAL CONTROL
VDD
LDD
LDS
M
+
–
M
CNP405
CNS205
CNS204
TRACKING  COIL 
FOCUS  COIL
SW1
PICKUP IN
SW403
DISC NO.
SW404
DISC 1
NM801
SLED
MOTOR 
NM802
SPINDLE
MOTOR
M
M
XVDD
RVDD
LVDD
RFVDD 
XL401
16.9344 MHz
CD  RES
CL
DI
DO
CE
ROTATE
UP_SW
DOWN_SW
OPEN_SW
DISC NO._SW
DISC 1_SW
CLOSE_SW
DRF 
VWRQ 
MGND
VCC
VCC
IC402
LA6548D
FOCUS/TRACKING/
SPIN/SLED
DRIVER
XIN
XOUT
RES
VWRQ
DO
DI
CL
CE
TIN2 F
TIN1 E
FIN2 B
FIN1 A
TDO
FDO
SPDO
SLDO
CONT5
CONT4
VDD5
LCHO
80
79
75
20
5
1
MUTE
2
30
VREF
REG_IN
REG_OUT
29
9
7
22
24
41
47
46
38
VVDD
77
10
VREF
11
9
8
7
6
25
21
20
14
15
26
5
11 10
11
8
10 9
6
7
4
5
2
3
1
61
62
63
69
57
56
55
51
50
43
44
40
37
19
6
28
26
25
23
22
21
27
4
12
19
3
1
2
+7V (+B5)
DGND
L-CH
1
5
6
4
AGND
R-CH
3
2
42
RCHO
45
68
64
65
66
DRF
67
48
49
ADAVDD
18
~
~
+
–
–
+
+5V
E
VCC
VC
C
A
B
C
F
LD
MD
DISC
UP/DOWN
OPEN/CLOSE
SW401
SW402
– 21 –
CD-E250E
CD-E550E
 Figure 21 BLOCK DIAGRAM (4/4)
TO  MAIN  SECTION 
TO  POWER  SECTION 
Q702,Q703,Q704
RESET
Q701
LED701
G9
VDD3
VDD2
VDD1
VDD4
G1
1
1
2
CNS405
CNS901
CD  RES
CE
ROTATE
UP_SW
DOWN_SW
OPEN_SW
DISC NO._SW
DISC 1_SW
CLOSE_SW
DRF
VWRQ
11
8
10
9
6
7
4
5
2
3
1
1
2
3
4
5
11
3
~
15
12
~
50
51
47
~
38
30
29
IRQ
28
POWER_KEY
27
19
X-BASS/DEMO
KEY2_IN
~
~
P1
P4
GND
89
GND
GND
~
P5
P20
~
31
16
32
33
~
67
68
69
70
71
73
4
5
6
7
74
75
CNS803
8
10
9
6
7
4
5
2
3
1
CNS102
2
1
4
3
6
5
7
CNS202
6
7
4
5
2
3
1
80
82
23
84
79
76
77
78
21 92 93 94 91 88 85
95 96
11 26
97 98 99 100
83
81
52
~
VF1
VF1
VF2
VF2
3.8V
3.8V
–30V
+B3
–B2
+B3
5.6V
+B3
+B3
D_GND
IC701
CD-E550E:IX0065SJ
CD-E250E:IX0058SJ
SYSTEM
MICROCOMPUTER
VFD701
FL DISPLAY
RX701
REMOTE
SENSOR
KEY
SW703~SW710
SW719~SW721
18
16
15
14
17
90
46
72
KEY1_IN
CF2
CF1
KEY
SW711~SW715
SW722~SW724
SW702
POWER
ON/STAND-BY
SW701
X-BASS
/DEMO
X702
8 MHz
DISC_NO_SW
DISC1_SW
DISC_UP_SW
CLOSE_SW
ROTATE
DISC_DOWN_SW
OPEN_SW
CD_CE 
CD_RES
CD_DRF
CD_WRQ
T1_SOL
T1_RUN_PLUS 
T2_TAPE2_SW 
CH_SW 
MOTOR 
T1_RUN_PLUS 
T2_SOL
TAPE_BIAS 
REC_PLAY
REC 
FAN_PRT
FAN_START
SP_DETECT
SP_RELAY
SIGAL_LVL
P_MUTE
CD+B
CH_SW
T2_RUN_PLUS
T1_RUN_PLUS
T2_SOL
T1_SOL
MOTOR
REC_PLAY
TAPE_BIAS
TAPE_SW
REC  SW
FAN_PRT
P_MUTE
SP_RELAY
FAN_START
CD-E550E ONLY
SIGAL_LVL
SP_DETECT
CD+B
SD
FM_ST 
CE
CL
D0
D1
D_GND
SD
FM_ST
CE
CL
D0
D1
RESET  IN  PUT
SYS_STOP
13
12
XT2
XT1
X701
32.768 kHz
– 21 –
CD-E250E
CD-E550E
 Figure 21 BLOCK DIAGRAM (4/4)
TO  MAIN  SECTION 
TO  POWER  SECTION 
Q702,Q703,Q704
RESET
Q701
LED701
G9
VDD3
VDD2
VDD1
VDD4
G1
1
1
2
CNS405
CNS901
CD  RES
CE
ROTATE
UP_SW
DOWN_SW
OPEN_SW
DISC NO._SW
DISC 1_SW
CLOSE_SW
DRF
VWRQ
11
8
10
9
6
7
4
5
2
3
1
1
2
3
4
5
11
3
~
15
12
~
50
51
47
~
38
30
29
IRQ
28
POWER_KEY
27
19
X-BASS/DEMO
KEY2_IN
~
~
P1
P4
GND
89
GND
GND
~
P5
P20
~
31
16
32
33
~
67
68
69
70
71
73
4
5
6
7
74
75
CNS803
8
10
9
6
7
4
5
2
3
1
CNS102
2
1
4
3
6
5
7
CNS202
6
7
4
5
2
3
1
80
82
23
84
79
76
77
78
21 92 93 94 91 88 85
95 96
11 26
97 98 99 100
83
81
52
~
VF1
VF1
VF2
VF2
3.8V
3.8V
–30V
+B3
–B2
+B3
5.6V
+B3
+B3
D_GND
IC701
CD-E550E:IX0065SJ
CD-E250E:IX0058SJ
SYSTEM
MICROCOMPUTER
VFD701
FL DISPLAY
RX701
REMOTE
SENSOR
KEY
SW703~SW710
SW719~SW721
18
16
15
14
17
90
46
72
KEY1_IN
CF2
CF1
KEY
SW711~SW715
SW722~SW724
SW702
POWER
ON/STAND-BY
SW701
X-BASS
/DEMO
X702
8 MHz
DISC_NO_SW
DISC1_SW
DISC_UP_SW
CLOSE_SW
ROTATE
DISC_DOWN_SW
OPEN_SW
CD_CE 
CD_RES
CD_DRF
CD_WRQ
T1_SOL
T1_RUN_PLUS 
T2_TAPE2_SW 
CH_SW 
MOTOR 
T1_RUN_PLUS 
T2_SOL
TAPE_BIAS 
REC_PLAY
REC 
FAN_PRT
FAN_START
SP_DETECT
SP_RELAY
SIGAL_LVL
P_MUTE
CD+B
CH_SW
T2_RUN_PLUS
T1_RUN_PLUS
T2_SOL
T1_SOL
MOTOR
REC_PLAY
TAPE_BIAS
TAPE_SW
REC  SW
FAN_PRT
P_MUTE
SP_RELAY
FAN_START
CD-E550E ONLY
SIGAL_LVL
SP_DETECT
CD+B
SD
FM_ST 
CE
CL
D0
D1
D_GND
SD
FM_ST
CE
CL
D0
D1
RESET  IN  PUT
SYS_STOP
13
12
XT2
XT1
X701
32.768 kHz
Display

Sharp CD-E250 (serv.man13) Service Manual ▷ Download

  • DOWNLOAD Sharp CD-E250 (serv.man13) Service Manual ↓ Size: 99.68 KB | Pages: 4 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp CD-E250 (serv.man13) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp CD-E250 (serv.man13) System. Information contained in Sharp CD-E250 (serv.man13) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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