Read Sharp CD-MD3000 (serv.man31) Service Manual online
CD-MD3000H/CD-MD3000W
– 48 –
Figure 48 BLOCK DIAGRAM (2/7)
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
DO
CL
DI
CE
XT21
4.332MHz
ICT21
LC72722
RDS DECORDER
X351 456kHz
CF351
FM IF
+B
A_+B
+B
+B
QT21
AMP.
FM +B
VT
T306
T302
L341
BALUN
CF302
DO
CE
CL
DI
CF301
FE301
FM FRONT END
Q360
R
L
MPX
IN
FM/AM
OUT
IF IN
IF OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
AM OSC
REG
IN
OUT
VCC
FM IF IN
FM IF
AMP.
Q301
FM IF
FM
X352
4.5MHz
X IN
STEREO
IC302
LC72131
PLL (TUNER)
AM
IN
FM IN
FMOSC
T351
AM IF
GND
OSC
FM
FM IF
AM OSC.
SWITCHING
AM ANTENNA
AM RF
AM LOOP
ANTENNA
ANTENNA
SO301
FM ANTENNA
TERMINAL
Q371
Q351
17 19 20 18
16
14
12
11
10
13
21
22
23
24
20
22
21
13
12
14
15
20
21
22
23
24
15 16 11 10 13 12
6
7
1
3
2
4
3
4
5
6
8
9
7
15
8
2 6 7
3
4
5
1
1 2
3
4 5 8 9
L354
L.P.F
CF352
FM MUTE
LEVEL
7
FOR CD-MD3000H
X351 456kHz
CF351
FM IF
+B
+B
A_+B
+B
+B
FM +B
VT
T306
T302
CF302
DO
CE
CL
DI
IC301
TA7358AP
FM FRONT END
Q360
R
L
MPX
IN
FM/AM
OUT
IF IN
IC303
LA1832S
FM IF DET./FM IF MPX./AM IF
IF OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
AM OSC
REG
IN
OUT
VCC
FM IF IN
FM IF
FM
X352
4.5MHz
X OUT
STEREO
IC302
LC72131
PLL (TUNER)
AM
IN
FM IN
FM OSC.
OSC. BUFF
T351
AM IF
GND
AM OSC.
SWITCHING
AM ANTENNA
AM RF
Q371
Q351
17 19 20 18
16
14
12
11
10
13
21
22
23
24
20
22
21
15 16 11 10 13 12
6
7
1
3
4
5
6
8
9
7
15
1
2 3 4 5
7
8
9
6
1 2
3
4 5 8 9
CF352
T312
FM IF
BF301
BAND PASS
FILTER
L312
T311
FM MUTE
LEVEL
FM RF
Q302
1
2
1
2
VD301
X OUT
SWITCHING
SWITCHING
1
1
3
VR351
10K(B)
10K(B)
1
3
1
3
1
1
3
2
VD302
VD303
VD301
FM OSC.
3
3
IC303
LA1832S
FM IF DET./FM IF MPX./AM IF
VR351
10K(B)
10K(B)
X IN
SWITCHING
SWITCHING
FOR CD-MD3000W
CNP303
CNP301
1
2
3
FM/AM
LOOP
ANTENNA
VSM
FM
AM
1
2
3
VSM
Click on the first or last page to see other CD-MD3000 (serv.man31) service manuals if exist.