Sharp CD-C290X User Manual

CD-C290X
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Figure 14 BLOCK DIAGRAM (2/3)
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AM ANT.
AM OSC.
X352
4.5MHz
IC302
LC72131
PLL(TUNER)
FM IF DET/FM MPX/AM IF
IF
OUT
IC303
LA1832
+B4 CF351 X351
+B4
MPX
PHASE
Q361
+B4
T1 RUN
T2 RUN
MECHA STOP
FOOL PROOF
TUNER MUTE
SD
VOLTAGE
REGURATER
+B4
+5V
VF2
(AC)
TA MOT SW
TA SOL
FM +B
XT21
VT
T306T302
CF302
DO
CE
SRS ON/OFF
SRS 1/2
CL
DI
FM FRONT END
FE301
Q360
Q371
Q703
Q706
MUTING
MPX
VCO
CUT
RL
Q353
Q354
MPX
IN
FM/AM
OUT
IF IN
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
VR351
FM MUTE LEVEL
AM OSC
REG INOUT VCC
FM IF IN
FM IF
FM
OSC.
STEREO
AM IN
FM IN
FMOSC
T351
AM IF
GND
OSC.
FM
AM RF
SWM4
F.A.S
SWM3
FOOL PROOF
SWM5
MM1
TAPE
MOTOR
M
SOLM1
+B5
SOLENOID
PHM1
CAM
SO301
ANTENNA
TERMINAL
FM
75 OHMS
AM
+B4
SO401
AUX IN
CNP303
CN7
L-CH
R-CH
PB HEAD
1
2
3
4
L NF
L (T1)
R (T1)
L (T2)
R (T2)
R NF
4
5
13
21
24
23
18
17
10
1915
12
14
16
20
H/N
6
7
8
9
T1/T2
POP REDUCE
L REC
R REC
R NF
REC
L NF
P.B.
REC
L-CH
R-CH
REC/PB
HEAD
ERASE
HEAD
BIAS
OCS
REF
ALC
HIGH
NOR/
T1/T2
+
+
+B5
+B4
PLAYBACK&RECORD/
PLAYBACK AMP.
IC501
AN7345K
L
R
P.B
TAPE
VIDEO
TUNER
CD
FROM CD SECTION
Q571
L501
Q566
Q565
BIAS
Q511
Q514
~
P.B
REC
AC BIAS
Q515
Q516
Q583
Q581
Q584
Q582
T1/T2
MUTING
REC MUTE
Q575
Q576
REC/P.B.
+B4
+B4
+B4
L
R
TAPE 1
TAPE 2
R
L
SWITCHING
SWITCHING
SWITCHING
SWITCHING
+B6
(
+
TO CD SECTION
TO
SWITCHING
BIAS
3
2
1

Sharp CD-C290X Specifications

General

Brand	Sharp
Model	CD-C290X
Category	Stereo System
Language	English