Sharp CD-C449W Service Manual page 34

CD-C449W/K449W
FM SIGNAL
A
B
C
C338
0.001
D
D301
1SS133
D302
1SS133
SW1
SW2
MW
E
GND
BFT01
FM
FM BAND PASS
75ohms FILTER
SO301
ANTENNA
TERMINAL
F
RT01
100K
D303
1SS133
G
D304
1SS133
C301
0.001
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.
1
R310
22K
T304
SW2 ANT
D305
C303
1SS135
0.022
SW2 fL
C304
TRACKING
fH
0.022
D306
1SS135
SW1 fL
SW1 ANT
TRACKING
fH
C305
0.047
D307 1SS135
T302
D308
1SS135
MW TRACKING
MW ANT
R317
L311
10K
560µH
R320
10K
C315
0.1
D316
1SS135
SW2 OSC
T308
fH
SW1
TRACKING fL
SW1 OSC
T307
fL
SW1 BAND
COVERAGE fH
MW BAND
COVERAGE
MW OSC T306
ICT01A TA7358AP
FM FRONTEND
MIX
RF
1 2 3 1 2 3 4 5
CT01
CT02
CT03
18P(CH)
0.01
4.7P
CT04
FMRF
0.001
CT05
6.8P
(UJ)
RT03
22
2
Figure 32 SCHEMATIC DIAGRAM (11/15)
MW/SW1/SW2 SIGNAL
VD302-B
KV1236Z23F
C306 Q309
10P (UJ) 2SC2878 B
0V
0V
0V
TC302
C308 (UJ) 0V
R314
3.3K
8.2P
0V
Q308
0V
2SC2878 B
TC303
T303
R316
22K
VD301-1
KV1236Z23F
R319
100K
C330
8.2P
C331
(UJ)
0.047
C316
R322
0.1
5.6K
R328
10K
C318
0.022
C319
VD302-A
0.022
KV1236Z23F
R329
100K
TC304 0V
R327
0V
5.6K
0V
Q307
2SC2878 B
TC305 0V
0V
Q306
0V
R330
2SC2878 B
1K
VD301-2
KV1236Z23F
R323
68K
C334
C336
18P
470P
(UJ)
B.A
OSC
6 7 8
CT11
RT06
15P
10
(CH)
LT02
CT12
FM BAND
33P
COVERAGE
FM
OSC
FMIF
CT13
TT01
3.9P(UJ)
RT04
47
RT05
47K
RT07
680
QT01
2SC535 C
AMP
3 4
– 32 –
R311
R312 100K
33K
D309
C309
1SS135
330P
C312
0.022
C310
D310
0.001
1SS133
D311
1SS135
C311
0.022
R302
82
D313
1SS133
D314
1SS133
R325
56K
C320
C321
0.0018
0.0039
R326
1K
R324
100K
R343
47K
VCC
9
CT16
2
2
10/16
1
3 3
RT08
10K
CT14
22P(CH)
RT10
4.7K
C390
100P
RT09
820
5
Q
3
C313
1
0.022
C342
0.022
VR351
10K(B)
FM MUTE
LEVEL
L356
1mH
CF302
10.7MHz
FM1F
1 3
2
R342
47K
+B
R341
47K
0V
2
1
1
3
+B
+B
6