Block Diagram - Sharp SD-CX1W(BL) Service Manual

SD-CX1W
FM
8
FM FRONTEND
75ohms
SO301B
GND
2
6
ANTENNA
TERMINALS
GND
AM
T302
AM
ANTENNA
5V
T306
JTU01
AUX INPUT
L-CH R-CH
TUN_L
CNPU04
R_OUT
28
GND(A)
27
L_OUT
26
AD-GND
25
R_IN
24
AA-GND
23
L_IN
22
+B6
A-VCC
21 MD+5V(D)
MD_LOADSW
20
19
D-VDD
18
D-VDD
+B8
17
D-GND MD+6V(A)
16
D-GND
15
D-GND
14
D-GND
13
MD_D_STB
12
MD_DATA
11
MD_KDATA
10
MD_SERCH
9
MD_DSCK
8
MD-ST
7
MD_RESET
6
POWER
5
4
DIG-IN
3
2
D-GND
1
CD SECTION
FE301
1
3 4
7 5
VR351
10K(B)
TP301
AM OSC.
FM +B
+B7
DU01
23 5 20
VDD BASS
9
AUX L
R
16 AUDIO
PROCESSOR
10
TUNER L
ICU01
R
15
TUN_R
LC75341M
NC
11
AUDIO
NC
14
FUNCTION/VOLUME/TONE
12
MD/CD L
R
13
SELO GND
8 3
17
L
R
REC OUT
+12V(A)
+B7
DISPLAY
SECTION
DISPLAY
SECTION
POWER SECTION DISPLAY SECTION
Figure 36 BLOCK DIAGRAM (1/4)
FM IF
2
1
CF302 +B
3
T351
AM IF
FM IF
IN
1 2
FM
MUTE
LELEL
FM IF DET./FM MPX./AM IF
AM OSC
24
23 22
15
PLL CONTROLLER
20
X IN X OUT
1
22
+B
X352
SWITCHING
4.5MHz
Q360
ICS01
PRE AMP.
6 19 KIA4558F
TRE
–B2
–VCC
4
4
5
L-CH L-CH
ICS01
21 R-CH R-CH 3
2
SURROUND QS02
1 2
24
QS01
SURROUND
ON/OFF
– 36 –
AM IF CF351
FM IF
1 CF352 3 +B
X351
2
456kHz
9
4 8 17
IC303
LA1832
IF
OUT
21 7 6
13 10 12 11
MPX
MPX
VCO
PHASE
CUT
VOLTAGE
REGURATOR
11 10 9 8
16 13 12 17
IC302 LC72131
DI DO
7
21 4 6
Q371
DISPLAY SECTION
ICP01
PRE AMP.
NJM4558M
+B7
–VCC
+VCC
8
L-CH
5
L-CH
7
1
R-CH 3
R-CH
6
QP02
QU01
MUTING
QPO6
QP07-QP10
SYSTEM_MUTE
QPO5
DISPLAY SECTION
TP302
16 18
GND
5
14
20 15
+B
+5V
+B
CLK CE
5 3
–B2 +B7
+VCC
4
8
L-CH
7
ICP01
1
R-CH
6
2
–12V(A)
ALC
+12V(A)
HEADPHONE
QP04
QP03
MUTING
DISPLAY SECTION