Read Sharp XL-HP404 (serv.man9) Service Manual online
XL-HP404E/HP404H
6 – 2
[3] WIRING SIDE OF P.W.BOARD/SCHEMATIC DIAGRAM
Figure 6-2 SCHEMATIC DIAGRAM (1/14)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
FM FRONT END
6
4
3
2
1
8
7
6
5
4
3
2
1
2
5
1
22 21 20
3
4
6
7
8
9
10 11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
18
19
20
21
22
23
24
6
5
4
3
2
1
6
4
5
4
5
3
2
1
TP301
CONT
IF
FM/AM
FM/AM
(CH)
(CH)
SD
(CH)
(CH)
ST
IND
MO/ST
FO
U
T
IF
OUT
VCC
VT
GND
GND
GND
ANT
VSS
AOUT
AIN
PD
VDD
FM
IN
AM
IN
DO
CL
DI
CE
XI
N
X
OUT
IF
IN
REG
AM
IF
IN
GND
SD
STEREO
FM
DET
FM/AM
O
UT
VSM
AM
LOW
CUT
AM
RF
IN
AM
OSC
IN
FM
AFC
AM
OSC
O
UT
AM
MIX
O
UT
FM
IF
IN
AM
LOOP
ANTANNA
LOOP
ANTANNA
2
1
2
1
AM IF
BALUN
CHASSIS
GND
AM TRACKING fL
AM ANTENNA
AM OSC
AM BAND
COVERAGE fL
FM IF
FM IF
FM
75 OHMS
ANTENNA
TERMINAL
TERMINAL
1
3
1
2
2
3
1
2
3
FM
IF
0.022
DS1SS133
DS1SS133
0.022
0.022
0.022
470
100/16
15
2.2µH
0.022
4.7K
0
0.001
2SC380 0
33
680
6.8K
330
33
0.01
15P
0.01
10/16
2.2K
1/50 1.5K
12P
150
1K
1K
1K
0.001
47/16
0.022
10K
1K
4.5MHZ
0.022
0.001
100µH
22
+B
+B
+B
+B
1K
330P
47K
LC72131
0.022
0.022
0.022
10/16
1K
270
0.022
0.022
1K
10
7MHZ
5.6K
560P
22P
68K
SVC348S
10K
15P
0.047
0.022
10K
0.022
2.2/50
3.9K
0.022
1/50
2.7K
0.022
2.2/50
0.001
0.022
LOW PASS
FILTER
FILTER
PLL(TUNER)
C323
D302
D301
CNP302
L341
SO301
C345
C346
C347
R344
C321
R369
L342
C341
R345
R301
C302
CF301
Q301
R349
R348
R347
R346
R399
C348
FE301
C382
C385
C380
R379
C393 R380
C381
R382
R378
R373
R374
C387
C384
C392
C394
C397
R381
R372
X352
L351
R3
R376
C386
R377
IC302
C351
C350
C359
C352
T351
CF352
R351
R352
R353
CF351
C354
C353
R393
T303
T306
C335
C334
R323
VD301
R336
C330
C331
C332
CF302
R365
C361
C362
R358
C342
C363
C364
C366
C365
C367
R350
X351
L354
FM SIGNAL
AM SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
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