Sharp XL-3000V - Manual (Page 23)

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XL-3000V
Figure 23 BLOCK DIAGRAM (4/6)
VSM
AM RF
OUT OUT OUT
IN IN
CUT
AM LOW
FM/AM
MPX VCO
MPX IN MO/ST
L-CH R-CH
FM AFC AM
OSC
(AM/FM) PHASE PHASE IF OUT VCC FM DET STEREO SD GND AM IF REG IN
22 21 20 19 18 17 16 15 14 13
12 11 10 9 8 7 6 5 4 3
PLL(TUNER) 11 10 9 8 7 6 5 4 3 1
PD
IF IN
AM IN FM IN
VDD
AIN
AOUT
VSS
X OUT
22 21 20 19 18 17 16 15 14 13 12
FM FM MUTE CE DI CL DO MO/ST IF REQ X IN
456kHz
X351
Q351
Q360
ZD351
10
11
1
2
3
4
5
8
9
6
7
SD
FM ST
DO
CL
CE
DI
A_12V
D_GND
TUN_L
TUN_R
A_GND
TO
MAIN PWB
CNS307
TUNER PWB
38 5
0 67
51
46 49 50
LCD701
CD DISPLAY
B-LIGHT
TO
MAIN PWB
CROCOMPUTER/
DRIVER
C701
0038SJ
D_GND
A_24V
SURROUND
5V
A_24V
5V
P_STB
P_MUTE
CD+B
DI
CE
CL
DO
STEREO
SD
13
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
9
8
7
6
5
4
3
2
1
CNW703A
CNS703
CD+B STEREO SD DI CL DO CE
34 27 26 25
SURR P–STB P–MUTE
45 44 43
AM IF
FM IF DET./
FM MPX./AM IF
IC303
LA1832S
+5V
+5V
+B
FM +B
+5V
+5V
T351 CF352
CF351
AM IF
SWITCHING
VOLTAGE
REGULATOR
SEG0 SEG33
1
2
3
4
5
6
7
8
9
10
10
9
8
7
6
5
4
3
2
1
CNS702 CNW702
TO
MAIN PWB LIGHT
AMP_DEC
FAN_DEC
CLID_SW
CLID_PRO
CLID_UP
CLID_DW
CD_STB
DIMMER
FAN
3
4
5
6
7
1
2 3
4
5
6
7
1
2
TO
VIDEO PWB
STB
GND
VD_DO
VD_DI
ACK
CLID_OUT
BUSY
CNW704
CNS704
57
56
20
21
52
60
54
53
55
29
28
30
31
35
40
BUSY
VD_DI
FAN
LIGHT
DIMMER
CD_STB
AMP_DEC
VD_DO
CLID_DW
CLID_UP
CLID_PRO
MOT_DEC
ACK
CLID_OUT
STB