Sharp CD-C602 - Page 23

CD-C602,CP-C602
– 23 –
Figure 23 SCHEMATIC DIAGRAM (8/9)
7
8 9 10 11 12
D381
1SS133
R397
4.7K
T352
R354
47K
C360
3.3/50
C363
1/50
C374
1/50
Q352
KRA109 M
SWITCHING
C356
0.0022
R359
10K
C393
22/16
C355
0.022
C354
220/10
R358
15K
C362
3.3/50
R357
1.2K
C364
0.0015
(P.P)
R360
470
IC351
LA1805
FM IF DET./FM MPX./AM IF
C351
0.022
C357
0.018
C352 0.022
R373
2.7K
R375
3.3K
R374
2.7K
R376
3.3K
CF302
10.7MHz
C383
0.022
C384
47/25
IC381
LC72131
PLL CONTROLLER
10
11
12
13
14
15
16
17
18
19
20
21
22
9
8
7
6
5
4
3
2
1
VR351 6.8K(B)
T351
CF351
ZD381
MTZJ5.1B
R387
150
R396
1K
R393
1K
R395
1K
R399
10K
R392 1K
R391
47K
R363
10K
R390
2.2K
C391
15P
(CH)
C390
12P
(CH)
C388 0.001
C387
100P
R351
3.9K
R386
10K
R319
4.7K
C372
0.018(ML)
C385
1/50
R388
1.5K
X381
4.5MHz
L381
100µH
R394
1K
NC
NC
NC
NC
NC
+12V
GND(D)
GND(A)
MPX-IN
ST IND
GND
AM IF
AM MIX
FM IF
IN
AM OSC
AM +B
DET OUT FM DET
TUN IND
L-CH
FM-M/ST
AM/FM
VCO
X IN
DI
CL
DO
B01
B04
IO1
X OUT
VSS
A OUT
A IN
PD
VDD
FM IN
AM IN
IO2
R OUT
L OUT
10 11
12
13
14
15
16 17 18 19
20 21
22
23
24
9 8
7 6 5
4
3 2
1
NC
C392
0.001
DI
CE
DO
CL
3
+B
AM IF
3
1
2
C371
0.018(ML)
C373 1/50
1
+B
TP303
VCO
TP302
R353 1.5K
C359
3.3/50
R352
33K
C358
470P
FM DET
+B
17
18
19
+B
+B
SWITCHING
Q381
KRA102 M
1
2 3
20
21
22
23
TO MAIN/
POWER/
DISPLAY
SECTION
P18 3-H
P24 3-A
+B
CE
+B
+B
+B
+B
TP301
+
B
TO MAIN/
POWER
SECTION
P18 2-H
FM +B
AM RF
R-CH
FM IF
7V
7.58V
5.5V
2 3
0V
12V
12V
1
2