Sharp CD-C5H Service Manual page 35

L354
TP
LOW PASS
FILTER
R350
2.7K
C367
1/50
8 16 15 14
17
IC303
LA1832
FM IF DET/
FM MPX./AM IF
C358
6 7 8 9 10 11
1/50
R353
270
R355
3.3K
C356
0.001
C355
22P
R393
1K
+B
C386
12
330P
+B
R395
47K
R376
11
1K
R360
4.7K
+B
1
ZD352
0V
MTZJ3.9B
2 3
3.5V
0V
R387
(0V)
(2.9V)
22K
Q361
KRC107 M
D351
FM/AM
1SS133
SWITCHING
7
RT34A
2.5V
56K
(0V)
CT37
0.022
C371
R361
1/50 MUTING
470
Q353
KTC3199 GR
0V
R362 R365
C372
470 10K
1/50
0.7V
(0V)
0V
13
R367
C375
1K
3.3/50
R368
33K
0V
R366
10K
0.7V
12
(0V)
0V
Q354
KTC3199 GR
R354
TUNER MUTE
4.7K
RT48
390
RT49
390
L352
100µH
ZD351
MTZJ4.7B
C396
100/10
C395
0.022
R392
390
+B
R391 390
Q360
KTA1266 GR
10.7V
(0V)
11.3V
+B
R383
5.6K
10.5V
R385
5.6K (11.4V)
C391
47/16
D352
1SS133
+B
+B
12 11 10 9 8 7
CNP202
P26 1-E
8
Figure 35 SCHEMATIC DIAGRAM (9/17)
QT21
KTC3199 GR
+B
5V(0V)
1.8(0V) CT36A
0.022
24 23 22
1 2 3
CT23A
10/16
LT21
CT21A
2.2µH
47/10
+B
PIN
NO.
10
11
R370
1K
12
13
14
15
16
17
18
19
20
21
22
23
24
6 5 4 3 2 1
CNP303
TO MAIN PWB
9 10
– 35 –
RT36A
220K
RT37A RT35A
220K 220K
TP TP TP
CT28A
47/10
LT22 2.2µH
CT29
0.022
21 20 19 18 17 16 15 14
4 5 6 8 9 10 11 12
7
RT21
100K
ICT21
CT25A
LC72720
560P
RDS MICROCOMPUTER
IC303 ICT21
PIN
VOLTAGE VOLTAGE
NO.
FM(ST) AM FM(ST)
1 1
2.1V 2.5V
2 4.7V 2 2.5V
5V
3 2.1V 3
4 2.1V 4 0V
5 0V 5 2.5V
6 4.4V 6 2.5V
7 4.8V 7 0V
8 2.6V 3.2V 8 0V
9 4.7V 9 0V
3.5V 0V 10 0V
3.5V 1.7V 11 0V
3.5V 1.1V 12 2.6V
3.64V 13 2.4V
2.1V
1.2V 14 5V
1.3V 15 0V
2.1V 16 0V
2.3V 17 0V
0V
18
2.0V 0V
0.8V
19
1.8V 0V
20
0.8V 0V
21
2.6V 4V
2.1V
22
2.6V 0V
2.1V
23
0V
4.7V
24
0V
3.2V
11
CD-C5H,CP-C5H
RT51 1K
RT52 1K
RT53 1K
RT54 1K
+B
CT27A
13 22P
(CH)
CT26A
22P
(CH)
+B
AM
0.3V
0V
0V
0V
0V
0.3V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.7V
4.1V
4V
0V
0V
0V
TUNER PWB-D
12