Read Sharp CD-C421H (serv.man4) Service Manual online
CD-C421H / C411H
– 36 –
A
B
C
D
E
F
G
H
1
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3
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5
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Figure 36 SCHEMATIC DIAGRAM (10/11)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
(UJ)
2
1
2
1
8 7 6 5
4 3 2
1
22 21 20
19 18
17 16 15
14 13 12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
8
7
6
5
4
3
2
1
+B
+B
+B
+B
+B
PLL(TUNER)
(0V)
(0V)
9.4V
0.8V
0V
(0V
3.9
X IN
X OUT
VSS
AOUT
AIN
PD
VDD
FM IN
MW
AM IN
FM
MO/ST
ST IND
IF IN
CE
DI
CL
DO
FM
(CH)
(CH)
FM MUTE
LEVEL
AM IF
3
2
1
FM IF DET/
FM MPX/AM IF
FM DET
FM IF IN
AM MIX OUT
AM OSC
IN
AM OSC
OUT
REG
FM
AFC
AM RF
IN
VSM
CUT
AM LOW
STEREO
SD
GND
AM IF
IN
OUT
FM/AM
FM IF AMP.
AM ANT.
AM
OSC.
3
2
1
(CH)
AM LOOP
ANTENNA
FM
75ohms
ANTENNA
TERMINAL
3
2
1
FM FRONTEND
IF OUT
GND
F OUT
VT
VCC
GND
GND
ANT
TP302
LOW
FILT
R369
82
Q371
KTA1266 GR
R382
150
C380
10/16
R378
82K
82K
R373
1K
1K
R372
1K
R374
1K
R371
1K
C350
0.022
C352 10/16
C351 0.022
R351
5.6K
C353
0.022
C354
0.022
R393
1K
C364 10/16
C366 0.001
C365 0.022
C363 0.022
C343
33P
VR351
10K(B)
D301
1SS133
CNP301
R349 33
R344
470
R345
4.7K
R301
330
C346 0.022
C345 0.022
C321
100/16
R379
2.2K
C382
15P
C381
12P
X352 4.5MHz
C385
0.01
R377
47K
L351
100
µ
H
R358
8.2K
C342
0.022
IC30
LA18
CF351
C361 0.022
D304
1SS133
C301
0.001
D303
1SS133
L341
BALUN
C362 3.3/50
C393
1/50
R380
1.5K
R381
10K
C394
47/16
SO301
C387
0.022
C392
0.001
L353
1mH
C397
0.022
R346
330
R347
6.8K
C341
0.022
R348 680
FE301
CF301
Q301
2SC380 O
C347
0.022
C334
18P(UJ)
R336 4.7K
R324
100K
100K
T306
C336
470P
C335
18P
VD301-2
KV1236Z23F
KV1236Z23F
R323
68K
68K
C384 0.001
CF302
C323
0.022
C330 10P
T302
C332
0.022
R319
100K
100K
C331 0.047
VD301-1
KV1236Z23F
D302
1SS133
R352
1K
CF352
T351
C337
0.022
IC302
LC72131
C338
0.001
SHASSIS
GND
SHASSIS
GND
C367
1/50
R350
2.7K
L342
2.2mH
L354
TUNER PWB-C
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