Read Sharp CD-C451H (serv.man9) Service Manual online
– 25 –
CD-C451H
Figure 25 SCHEMATIC DIAGRAM (4/14)
7
8
9
10
11
12
12 11 10
9 8 7 6 5 4 3 2 1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
7
6
5
4
3
2
1
8
13
12
11
10
18
17
16
15
14
13
12
11
10
9
8
7
6
5
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
2.6V
(0V)
(0V)
2V
(0V)
5.2V
(3.6V)
0V
(0V)
3.9V
0V
(12.1V)
11.3V
(0V)
11.3V
12.1V
(0V)
(0V)
0.7V
0.7V
0V
0V
0V
0V
VREF
SYR
CE
DI
CL
DO
RDS-ID
SYNC
VDDD
VSSD
XIN
XOUT
FLOUT
VSSA
MPXIN
CIN
T1
T2
VDDA
MO/ST
ST IND
IF IN
AM SIGNAL
FM SIGNAL
TO MAIN PWB(2/3)
P32 5-H
CNP303
SD
SM
R
L
TUN MUTE
A GND
A+12V
DI
CE
DO
CLK
D GND
3
2
1
FM DET
CU
STEREO
SD
GND
OUT
FM/AM
VCC
IF OUT
PHASE
PHASE
(FM/AM)
MO/ST
R-CH OUT
MPX
IN
MPX VCO
L-CH OUT
(CH)
TP
TP
TP
(CH)
LOW PASS
FILTER
MUTING
MUTING
TP
1
R
D351
1SS133
R385 5.6K
C391
47/16
R384
5.6K
3
R376
1K
R378
82K
82K
C386
330P
CNP303
R354
3.9K
C399 0.022
0.022
C354
0.022
R393
1K
C358
1/50
ZD351
MTZJ5.1B
RT49
390
RT48
390
CT43
10/16
RT21 100K
RT26
1K
1K
RT51 1K
RT52 1K
RT53 1K
RT54 1K
RT52 1K
RT53 1K
RT54 1K
RT28
1K
RT30
1K
LT22
2.2
µ
H
RT37
220K
RT36
220K
C366 0.001
R356
1K
C369 27P
C373
0.033
C374 0.033
R357 470K
R364 2.2K
L354
85
01
R377
47K
51
µ
H
R363
2.2K
R366
10K
R368
33K
R365
10K
C375
3.3/50
R367
1K
Q353
KTC3199 GR
Q354
KTC3199 GR
X351
456KHz
C368
1/50
R353
270
L352
100
µ
H
CT23
10/16
ICT21 LC72720
RDS DECORDER
C355
22P
C370
1/50
ZDT21 MTZJ5.1B
C357
2.2/50
2.2/50
R355
3.3K
C356
0.001
CF351
C398 100/10
RT32 10K
RT33 56K
QT21
KTC3199 GR
CT37
0.022
RT34
56K
R362
470
C372
1/50
R361
470
C371
1/50
D353
1SS133
R395
47K
R359 1.8K
R360
4.7K
4.7K
C396
100/10
C395
0.022
Q360
KTA1266 GR
KTA1266 GR
R383
5.6K
R392
390
R391
390
CT24
0.022
CT25
560P
XT21 4.332MHz
CT26
22P
CT29
0.022
CT28
47/10
RT29
1K
LT21
2.2
2.2
µ
H
CT21
47/10
CT22
0.022
0.022
CT36 0.022
R387
22K
Q361
KRC107 M
KRC107 M
MPX PHASE
ZD352
MTZJ3.9B
CT27
22P
C367
1/50
R350
2.7K
RT35
220K
TUNER PWB-H
R370
1K
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