Read Sharp CD-DP2500 (serv.man25) Service Manual online
CD-DP2500H
– 24 –
Figure 24 BLOCK DIAGRAM (2/3)
Q706
+B4
+B4
M
Q704
Q705
Q705
IC701
54PIN
54PIN
IC701
53PIN
53PIN
IC701
56PIN
56PIN
IC701
55PIN
55PIN
MM1
TAPE
MOTOR
SOLM1,SOLM2
SOLENOID
SWM2
T2 PLAY
SWM1
T1 PLAY
SWM4
R. PLAY
SWM3
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
ICT21
LC72722
RDS
OSC
AM IF
AM MIX
AM
IN
AM OSC IN
AM RF IN
X352
4.5MHz
T351
+B9
+B9
+B9
IC303
LA1832
FM/AM IF MPX.
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
Q403
Q404
SWITCHING
SWITCHING
SWITCHING
+B5
1
2
3
CNS401
FROM CD SECTION
CNP11
17
+B5
+B9
+B5
+B5
+B5
+B5
+B5
VOLTAGE
REGURATER
9
1
3
8
8
6 12 5 13
7
10
14
2
9
4
9
4
11
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
IC201
BU4066BC
SWITCHING
L
R
L
R
L
R
L
R
L
R
L
L
R
R
TUNER
L
R
VIDEO
TAPE
CD
BAIS
T1/T2
REC
+B5
21
4
9
Q501
Q502
ZD8
FM IF IN
FM IF
FM IF
CF301
7 FM
Q360
QT21
QT22
Q301
FM +B
MPX IN
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 PRO LOGIC
DECORD
M62464AFP
DOLBY PRO LOGIC
DECORD
CL
DI
CE
1
2
AM LOOP
ANTENNA
ANTENNA
CNP301
T306
AM
ANT
COIL
AM
OSC
COIL
T303
L341
BALUN
4 3
1
5
2
3
14
VT
VCC
FOUT
IFOUT
ANT
8
7
6
2
VDDD
VDDA
13
12
XIN
XOUT
XT21
4.332MHz
5
6
FLOUT
CIN
23
22
21
24
15
8
7
4
20
CE
DI
CL
DO
Click on the first or last page to see other CD-DP2500 (serv.man25) service manuals if exist.