Read Sharp CD-DP2400E (serv.man11) Service Manual online
– 15 –
CD-DP2400E
CNP12
CNP11
Q2
+3.3V
+5V
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLD0
SPD0
FD0
TD0
+5V
TO DISPLAY SECTION
CLAMP SW
CDINT
WRQ
CE
DO
CLK
DI
CD RES
GND
DRF
CNS4
BI4
CNP4
M2
SLED
MOTOR
M1
SPINDLE
MOTOR
M
M
TRACKING COIL
FOCUS COIL
PICKUP UNIT
TE
FE
RFEV
HFL
VVDD
ADAVDD
VDD
LVDD
RVDD
XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V
Q1
LDD
PD
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC601)
R-CH
L-CH
AGND
DGND
+B6(+5V)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
–
+
M
SW1
OPEN/
CLOSE
XL1
16.934MHz
6
5
4
3
3
2
5
4
1
1
2
3
4
7
8
2
1
7
8
9
10
1
2
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3
T/T
UP/DOWN
LOADING
MOTOR
6
1
2
4
3
5
6
1
2
4
3
5
6
75
76
45
46
47
48
32 31
30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DRF
52
51
XOUT
XIN
73
5 18 36 44 49 50
7
14
15 16
23
24
25
26
33
3
13
19
40
64
74
17
18
19
20
21
22
30
23
11
9
1
4
5
6
7
15
16
26
27
2
17
25
41
42
38
39
35
29
22
21
14
8
40
24
23
28
Q3
LASER
DRIVER
CONSTANT
VOLTAGE
+3.3V
+5V
VCC4
18
VCC1
TO
VCC2
VCC3
FD
SLDO
SPO
LD_M–
LD_M+
LOADING
M–
LOADING
M+
FO+
FO–
TR+
TR–
SL–
SL+
SP+
SP–
SW4
PICKUP IN
Figure 15 BLOCK DIAGRAM (1/3)
CD-DP2400E
– 16 –
Q706
+B4
+B4
M
Q704
Q705
Q705
IC701
54PIN
54PIN
IC701
53PIN
53PIN
IC701
55PIN
55PIN
TAPE
MOTOR
SOLENOID
T2 PLAY
T1 PLAY
F. PLAY
MOTOR
DRIVER
DRIVER
FM ANTENNA
FM 75
Ω
SO301
17
8
456KHz
X351
CF351
FM DET
4
5
9
21
16
21
1 2
24
23
15
20
1
22
13
16
18
14
15
15
12
7 9
11
3
9
4
5
6
10
GND VCC
AM IF
FM IN
IC302
LC72131
PLL (TUNER)
FE301
FM FRONT END
OSC
AM IF
AM MIX
AM
IN
AM OSC IN
AM RF IN
X352
4.5MHz
T351
+B9
+B9
+B9
IC303
LA1832S
FM IF DET./FM MPX./AM IF
L
R
R
STEREO
AM OSC IN
DO
DI
CL
CE
1
24
2
23
3
4
4
4
21
6
7
17
8
9
16
10
14
12
13
18
H/N
T1/T2
R-CH
L-CH
L-CH
R-CH
P.B
REC
TAPE 2
TAPE 1
TAPE MECHANISM
Ass'y
L NF
L(T1)
R(T1)
L(T2)
R(T2)
R NF
L
R
POP REDUCE
L REC
R REC
L
R
R
REC
P.B.
REC
ALC
NOR/
HIGH
T1/T2
REF
L NF
R NF
R NF
PB HEAD
REC/PB HEAD
SWITCHING
Q103~Q106
AC BIAS
IC101
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
PB
ERASE
HEAD
SWITCHING
BAIS
Q126
Q124
Q128
L104
Q111
Q110
Q109
Q107
Q108
SWITCHING
SWITCHING
SWITCHING
+B5
1
2
3
CNS401
FROM CD SECTION
CNP11
17
+B5
+B9
+B5
+B5
+B5
VOLTAGE
REGURATER
9
16
10
15
11
15
11
14
12
13
13
8
17
18
7
1
2
75
74
34
21
69
25
38
3
IC401
LC75341
AUDIO PROCESSOR
L
R
L
R
L
R
L
R
L
L
R
R
TUNER
L
R
VIDEO
TAPE
CD
BAIS
VROAD
T1/T2
REC
+B5
21
4
9
Q501
Q502
ZD80
FM IF IN
FM IF
FM IF
CF301
7 FM
Q360
Q301
FM +B
VOLTAGE
REGULATOR
CF302
FM+B
MO/ST
FM/AM
BIAS
OCS
15
19
24 1
2
23
MONO/ST
JK201
VIDEO IN
CF352
L354
LOW PASS
FILTER
TAPE
MECHANIS
IC501
M62464AFP
DOLBY PROLOGIC
DECORDER
M62464AFP
DOLBY PROLOGIC
DECORDER
CL
DI
CE
1
2
AM LOOP
ANTENNA
ANTENNA
CNP301
T306
AM
ANT
COIL
AM
OSC
COIL
T303
L341
BALUN
4 3
1
5
VT
VCC
FOUT
IFOUT
ANT
8
7
6
2
Figure 16 BLOCK DIAGRAM (2/3)
– 17 –
CD-DP2400E
Q709
IC804
IC801
IC802
KIA7810AP
UPC2905H
AN78L05
IC601
IC602
IC603
IC602
IC603
KIA4558P
OPE AMP.
IC702
BU2092F
INPUT/OUTPUT
EXPANDER/
MOTOR DRIVER
VOLUME
VR702
Front
Speaker
Center
Speaker
L-ch
R-ch
L-ch
R-ch
Surround
Speaker
SO901
Speaker Terminal
IC703
BU2092F
INPUT/OUTPUT
EXPANDER
~
1 2 3
6
14
53
33
27
32
54 55 56
FL701
DISPLAY
9 8 7 24 23 22
48
49
21
18
17
1
IC701
IX0509AW
SYSTEM MICROCOMPUTER
VDD
SP_DET
SP_RLY
+B7
MEMORY
BACK UP
VDD
XL701
KEY
SW701~SW707
SW710~SW722
+B3
+B7
M
Q910
+B6
TO CD
SECTION
M901
FAN MOTOR
JK601
HEADPHONES
T.F
PT801
POWER
TRONSFORMER
AC POWER
SUPPLY CORD
L801
AC
LINE FILTER
AC 230, 50Hz
VF1
VF2
VROAD
D801
D802
D803
~D806
Q804
D807
~D809
D818
2
3
1
4
8
+B7
+B4
–B1
RX701
Q701
Q702
Q703
Q710
Q711
Q712
9
8
7
10
7
10
L-OUT
IC901
STK40203
POWER AMP.
STK40203
POWER AMP.
IC902
STK40202
POWER AMP.
STK40202
POWER AMP.
–B1
+B3
+B1
L
L
L
R
R
R
9
13
8
–B2
+B2
R-OUT
Q401
Q402
Q503
Q504
Q715
Q716
Q901
Q904
Q905
Q906
ZD801
+B5
–B3(–15V)
+B4(M+10V)
+B6
+B2
(A+10V)
(CD+5V)
(UNSW+5V)
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
AVDD
SMUTE
~
~
~
1
15
1
15
13
4
10
11
12
13
2
15
41
17
18
19
20
30
25
27
31
32
33
34
36
39
40
46
56
55
54
53
51
50
91
16
86
80
100
92
79
38
37
55
54
53
52
VDD
FRONT
F801
T4A L 250V
F802
T4A L 250V
F803
T3.15A L 250V
F804
T3.15A L 250V
F805
T2A L 250V
15 16 24
26
25
+B7
+B7
+B7
LED711,LED712
18
17
+B7
LED701~LED703
IC704
KIA7042AP
RESET
TAPE
MECHANISM
+B7
RL902
RL901
~
~
78
85
60
~
~
4
Q823
SW728~SW732
Figure 17 BLOCK DIAGRAM (3/3)