Sharp XL-3000 Service Manual

XL-3000/3000C
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AM
GND
FM
75ohms
SO301
VSM
AM RF
OUT OUT
IN IN
CUT
AM LOW
FM/AM
FM AFC
AM OSC AM OSC
FM DET STEREO SD GND AM IF REG AM MIX OUT IN IN FM IF
23 22 21 20 19 1824
8
7654321
PLL(TUNER)
8
765431
PD
FM IN
VDD
AIN
AOUT
VSS
X OUT
22 21 20 19 18 17 1
FM
MUTE
CE DI CL DO X IN
IC302
LC72131
FM FRONT END
1
2
3
4
56 7 9
8
IC301
BF301
BAD PASS
FILTER
TA7358AP
1
2
3
TP301
45
6
X
3
32.768kHz
8MHz
38541
1 100 67
3932
47
8
4
LCD701
LCD DISPLAY
TO
POWER PWB
REMOTE
SENSOR
RX701
3
2
1
3
2
1
CNW707
CNS707
RESET
VLC1
VLC2
VLC3
7
6
5
MMOD
VREF
VREF+
VSS
15
24
14
11
SYS_STOP POWER
3837
13
12
10
9
X701
X702
OSC1
OSC2
XO
XI
CLID_SW
SW711~713
SW721,722
SW725~727
SW709
SW718
SW710
KEY1
KEY2
18
17
16
SYSTEM MICROCOMPU
T
FL DRIVER
IC701
IX0039SJ
A_24V
5
V
DI
CL DO CE
28272625
SURR
4
Q708
Q707
Q709
Q706
GND
LMP701
LAMP PWB
ANTENNA
TERMINAL
AM Band
Coverage fL
FM MUTE
LEVEL
AM IF
FM IF
AM
Tracking fL
FM RF
VD301
VD303
VD302
+5V
+5V
VT
+5V
FM +B
+5V
T302
T306
T304
T351
CF303
L302
FM ANT.
FM Band
Coverage fL
FM +B
FM +B
L303
FM OSC.
CF302
FM IF
FM IF
CF352
AM IF
SWITCHING
RESET
SWITCHING
Q306
Q302
Q701
Q702
Q703
VR351
X352
4.5MHz
COM0
COM3
SEG0
SEG33
REMOCON
P_CONT
USWD_5R6V
D_GND
P–CONT
VDD
Figure 24 BLOCK DIAGRAM (3/4)

Sharp XL-3000 Specifications

General

Brand	Sharp
Model	XL-3000
Category	Stereo System
Language	English