Sharp XL-3000W Service Manual page 24

Compact audio system
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XL-3000W
AM
GND
FM
75ohms
SO301
ANTENNA
TERMINAL
BAD PASS
FILTER
BF301
1
DISPLAY PWB
D_GND
1
1
P_CONT
2
2
USWD_5R6V
3
3
4
1
2
LAMP PWB
LMP701
GND
AM
Tracking fL
T302
T306
+5V
AM Band
Coverage fL
IC301
TA7358AP
FM FRONT END
2
3
1
2
3
4
5
6
7
FM IF
T304
FM +B
VD303
L302
L303
FM ANT.
FM OSC.
FM Band
FM RF
Coverage fL
FM +B
SW711~713
SW718
SW721,722
SW725~727
SW709
SW710
RESET
Q701
Figure 24 BLOCK DIAGRAM (3/4)
+5V
VD301
FM IF
8
9
Q306
CF303
FM +B
TP301
Q302
VT
VD302
1
4
5
VLC3
6
VLC2
7
VLC1
8
VDD
OSC2
9
10
OSC1
X701
11
VSS
8MHz
12
XI
X702
13
XO
32.768kHz
14
MMOD
15
VREF–
VREF+
24
16
CLID_SW
17
KEY1
18
KEY2
47
P–CONT
Q702
Q703
RX701
REMOTE
SENSOR
Q707
SWITCHING
– 24 –
FM MUTE
LEVEL
24
23
22
21
VR351
1
2
3
AM IF
FM IF
AM IF
CF302
T351
CF352
+5V
22 21 20
X352
4.5MHz
1
LCD701
LCD DISPLAY
5
38
4
1
100
67
IC701
IX0039SJ
SYSTEM MICROCOMPUTER/
FL DRIVER
32
37
38
39
25
26
27
28
Q708
A_24V
Q709
SWITCHING
Q706
20
19
18
4
5
6
+
19
18
3
4
5
6
7
CLID_D
CLID_U
CLID_PR
CD_RE
CC
BUC
BUS
BUS
BUS
BUS
CD_ST
PU-I
LIGH
DIMME
B-LIGH
AMP_DE
FA
MOT_DE
46 49 50
43
44
45
5V

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