Read Sharp CD-XP300 (serv.man14) Service Manual online
– 25 –
CD-XP300H
Figure 25 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
TO MAIN SECTION
P23 12 - C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
8
9
10 11
12
13
14
15
16
17
TUN_R
TUN_L
TUN_SM
RDS_RST
RDS_RDDA
RDS_RDCL
RDS_READY
A_GND
D_GND
A+10V
DO
CLK
DI
CE
RDS PWB-A4
XOUT
TEST
CIN
FLOUT
VSSA
VDDA
MPXIN
XIN
READY
RDS-ID/
RDCL
RDDA
RST
MODE
VDDD
VSSD
VREF
TP302
TUNER PWB-A1 (2/3)
MO/ST
FM DET
VCC
IF OUT
PHASE
(FM/AM)
PHASE
L-CH OUT
R-CH OUT
MPX IN
MPX VCO
1
2
3
4
5
6
7
1
2
3
4
5
6
7
+B
+B
+B
+B
+B
22
35
34
33
32
31
30
29
28
27
26
25
24
23
3.9K
1/50
CNS303
CNP303
C388
0.001
0.001
R384
5.6K
5.6K
RT22
390
390
RT23
390
390
C391
47/25
47/25
R383
5.6K
R392
270
270
R385
5.6K
Q360
KTA1266 GR
R391
270
C395 0.022
C396
100/10
R359
1.8K
ZD351
DZ5.1BSB
L352
100
µ
H
C384
0.001
0.001
R395
47K
R386
22K
22K
R360
4.7K
77
K
R387
5.6K
C399
0.022
C398
100/10
3
R388
ZDT21
DZ5.1BSB
RT30 1K
LT21
2.2
2.2
µ
H
CT24
47/25
47/25
LT22
2.2
2.2
µ
H
CT30 0.022
CT27
0.022
0.022
CT32
47/25
47/25
CT31
47/25
47/25
CT28
0.022
0.022
CT26
560P
560P
RT26
56K
RT25
10K
QT21
KTC3199 GR
RT24
56K
CT29
0.022
0.022
CT25
22P
(CH)
22P
(CH)
XT21 4.332 MHz
CT22
0.022
0.022
CT21
47/25
47/25
RT21
10K
10K
RT29
1K
RT28
1K
RT27
1K
1K
CT23
22P(CH)
22P(CH)
RT31
10K
C358
1/50
C356
0.001
0.001
C355
22P
R355
3.3K
3.3K
C370
C357
2.2/50
R353
270
270
CF351
X351
56 kHz
FILTER
C368 1/50
R357 470K
C373
0.015
0.015
R356
1K
C374 0.015
C369
27P
(UJ)
C371 1/50
C372
1/50
IC303
LA1832S
FM IF DET./FM
MPX./AM IF
ICT21
LC72723
RT32
6.8K
ICT21:
RDS DECORDER
R370
1K
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