Sharp CD-C605H - Page 22

CD-C605H
– 22 –
Figure 22 SCHEMATIC DIAGRAM (7/10)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
2.5V
5.1V
C350 0.022
C352 10/16
R351 5.6K
C351 0.022
R347 6.8K
R346
330
R375
68
FE301
FM FRONT END
VR351
10K(B)
C364 10/16
C363 0.022
C343 33P
C361 0.022
C362 3.3/50
R358
8.2K
L353
1mH
C334
27P
(UJ)
R323 68K
C323
0.022
IC303
LA1832
FM IF DET./
FM MPX./AM IF
T302
C331
0.047
C332
0.022
VD301
SVC348 S
C380
10/16
C387
0 022
C392
0.001
R382
150
C337
0.022
C384
0.001
C394
47/16
C397
0.022
C301
0.001
D304
DS1SS133
D303
DS1SS133
D302
DS1SS133
D301
DS1SS133
C338
0.001
L341
C341
0.022
L342 2.2mH
C344 33P
R369 15
R348 680
R349 33
Q301
2SC380 O
FM IF AMP
R336 10K
C335
560P
R374 1K
R372 1K
R373 1K
C381
12P(CH)
C382
15P(CH)
C393
1/50
PLL
CF302
C321 100/16
R301 330
T351
R3
5
1K
R344 470 R345 4.7K
C347 0.022
C346 0.022
CF301
C345 0.022
SO301
FM/ANTENNA
TERMINAL
FM
75 ohms
R381
10K
R380
1.5K
X352 4.5MHz
R379 2.2K
B01
F OUT
IF OUT
VCC
VT
GND
GND
GND
ANT
VSS
AOUT
AIN
PD
VDD
DO
CL
DI
CE
X IN
REG
A
M
VSM
AM RF IN
AM OSC IN
FM AFC
AM OSC OUT
AM MIX OUT
FM IF IN
2
1
2
1
CNP301
3 2 1
7
6
5
4 3 2 1
8
7
6
5
4 3 2 1
AM LOOP
ANTENNA
BALUN
C330
15P
(CH)
T306
AM OSC.
AM ANT.
FM MUTE
LEVEL
C342
0.022
1
2
3
1
2
AM IF
1
2
3
TUNER PWB-F
FM SIGNAL
AM SIGNAL
2
0
21222324
X OUT
FM IN
1
6
17
20
21
22
1819
3.6V
5.1V
2.6V
2.6V
04V
0V
2V
5V
2V
0V 0V 0V
8.5V
2V 2.6V 0V
0V
+B
+B
+B
+B
+B
2.6V
0V 0V 0V
4.1V 4.7V
0.2V
05V
1.9V
0V
2.5V
0.9V 0.9V
+B
+B
+B
+B