Sharp CD-C821W User Manual

CD-C811W/821W
– 14 –
Figure 14 BLOCK DIAGRAM (2/5)
X351 456kHz
FM IF CF351
+B4
+B4
+B4
+B4
VOLTAGE
REGURATER
+5V
FM +B
VT
T306
T302
CF302
DO
CE CL
DI
CF301
FE301
FM FRONT END
Q360
RL
Q354
Q353
Q361
SWITCHING
IF IN
IC303
LA1832
FM IF DET./FM MPX./AF IF
IF OUT
SD
MONO/ST
AM RF IN
FM AFC
AM OSC IN
AM
OSC
OUT
VR351
FM MUTE LEVEL
REG INOUT VCC
FM IF IN
12 3 4589
17 19
15
14
12
11
10
67
13
21
22
23
24
FM IF
AMP
Q301
FM IF
FM
X352
4.5MHz
STEREO
IC302
LC72131
PLL CONTROLLER
INAM
FM IN
FMOSC
T351
AM IF
GND
OSC
F OUT
FM IF
AM OSC
VOLTAGE
REGULATOR
PLL DATA
BUFFR
AM ANT
AM RF
CF352
AM IF
TUNER MUTE
MUTING
2
8
67 3 4
1
5
31
4
3 6
5
21
17
1213
10
1116
15
2220
7
1
Q371
+B4
1 3
3
1
1
24
2
23
3
4
4
21
5
20
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
L NF
L(T1)
R(T1)
L(T2)
R(T2)
R NF
L
R
POP REDUCE
L REC
R REC
L
R
REC
P.B.
REC
NC
NOR/
CRO2
T1/T2
RIPPLE
L NF
R NF
PLAYBACK
HEAD
RECORD/
PLAYBACK HEAD
SWITCHING
Q501~Q509
AC BIAS
IC501
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
PB
ERASE
HEAD
+B4
1
3
4
CNS401
FROM CD PWB
CNP11
FO
O
S
4
17
3
18
2
19
1
20
11 10
9
IC401
M62439SP
AUDIO PROCESSOR
L
R
L
R
L
R
L
R
TUNER
TAPE
CD
T
SWITCHING
SWITCHING
Q512
Q513
13
8
15 19
Q514
Q515
Q516
2
L-CH
R-CH
SO301
ANTENNA
TERMINAL
FM
75 ohms
GND
AM
BIAS OSC
CD-C811W

Sharp CD-C821W Specifications

General

Brand	Sharp
Model	CD-C821W
Category	Stereo System
Language	English