Read Sharp CD-DP2500 (serv.man14) Service Manual online
CD-DP2500H
– 32 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 22.
Figure 32 SCHEMATIC DIAGRAM (7/12)
C375
0.001
0.001
R365
10K
+B
+B
+B
+B
R378
1K
FE301
8
7
6
5
4 3 2
1
R382
150
VD301
SVC348S
C302
0.001
0.001
C330
15P(UJ)
15P(UJ)
C331
0.047
0.047
C332
0.022
0.022
D302
DS1SS133
D301
DS1SS133
C338
0.001
0.001
T306
C337
27P
27P
R336
10K
C381
12P (CH)
R380
1.5K
C393
1/50
R379
2.2K
C380
10/16
C385
0.01
L351
100
µ
H
R377
47K
R393
1K
C353
0
022
C350
0.022
C352
10/16
C351
0.022
R351
5.6K
C342
0.022
0.022
R358
3.9K
3.9K
C362
3.3/50
C361
0.022
R350
2.7K
2.7K
C3
1/5
1/5
C365
0.022
C366
0.001
2 4
2 3
2 2
2 1
2 0 1 9 1 8
6
5
4
3
2
1
C364
10/16
C363
0.022
R372
1K
CNP302
L341
BALUN
BALUN
6
4
3
2
1
X352
4.5MHz
R381
10K
10K
R352
1K
CF352
T351
CF302
C382
15P (CH)
C397
0.022
0.022
C394
47/16 C392
0.001
C387
0.022
R374
1K
R373
1K
T303
C323
0.022
0.022
C335
560P
560P
C334
27P
(UJ)
(UJ)
R323
68K
C301
0.01P
0.01P
D303
DS1SS133
DS1SS133
D304
DS1SS133
DS1SS133
SO301
ANTENNA
ANTENNA
FM 75
OHMS
OHMS
C345
0.022
CF301
C346
0.022
C347
0.022
R345
4.7K
R344
470
C321
100/16
Q301
2SC380 O
2SC380 O
R349
33
R399
33
R348
680
R347
6.8K
6.8K
R346
330
R369
15
L342
2.2
2.2
µ
H
C341
0.022
0.022
FM IF
IC302
LC72131
PLL(TUNER)
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
AM LOOP
ANTENN
ANTENN
FM FRONTEND
F OUT
IFOUT
VCC
VT
GND
GND
GND
ANT
3
4
5
5
6
1
2
1
2
2
1
3
4
5
6
2
1
REG
AM IF IN
GND
SD
FM/AM OUT
VSM
AM LOW CUT
AM RF IN
AM OSC IN
FM AFC
AM OSC OUT
AM MIX OUT
FM IF IN
NC
NC
CONT
IF
FM/AM
FM/AM
SD
STIND
MO/ST
VSS
AOUT
AIN
PD
VDD
FMIN
DO
CL
DI
CE
X IN
IFIN
XOUT
AMIN
19
20
21
22
17 16 15
14 13 12
11
10
9
8
7
6
5
4
3
2
1
18
FM IF
FM IF
AM IF
FM SIGNAL
AM SIGNAL
AM SIGNAL
1
2
3
1
1
2
3
2
3
C348
0.01
C344
33P
TP301
AM TRACKING fL
AM ANT.
AM BAND
COVERAGE fL
AM OSC.
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