Read Sharp SD-SG11 (serv.man3) Service Manual online
– 19 –
SD-SG11H
Figure 19 BLOCK DIAGRAM (2/7)
TO MD SECTION
TO TUNER UNIT
TUN1
MPX IN
CNPU04
CNSU03
CNSU01
CNPU09
CNPU08
CNPU07
CNPU05
CNSU02
MD_LOADSW
MD_SERCH
MD_DSCK
MD_DATA_
MD_RESET
MD_ST
MD_KDATA
POWER
MD_D_STB_
POWER
CD_FUNC
MD_LOADSW
LINE_MUTE
R_AUX_IN
L_AUX_IN
L__REC_OUT
R__REC_OUT
R_PRE_OUT
L_PRE_OUT
DO
DI
TUN_MUTE
LCK2
LCK1_
DO
MD_SERCH
MD_D_STB_
MD_KDATA
MD_ST
LRCK
DATA
BCCK
MD_RESET
MD_DSCK
MD_DATA_
CLK
CE
DI
TUN_R
TUN_L
COMP
CD_FUNC
CLK
TUNER_SM
DATA
LRCK
BCCK
DI
CLK
LCK2
HP_SW
PROTECT
CD_FNUC
POWER
R_H/P_OUT
L_H/P_OUT
+B13(5V)
BACK UP
+B12(5V)
+B3(5.6V USWD)
+B7
(+12V)
+B5(5V SWD)
VF2
VF1
–VP
+B8(6V)
+B6(5V)
+B5(5V SWD)
+B3(5.6V USWD)
SYSTEM MUTE
QP03
QP04
QP04
QP05
+B4(8V)
+B11(5V CD)
–B2(–12V)
+B7(+12V)
VF2
ICP01
NJM4580M
BUFFER AMP.
+B3(5.6V USWD)
CD DIGITAL SIGNAL
ALC
QP11
QP12
QP12
+B7
(+12V)
–B2
(–12V)
+VCC
–VCC
R-CH
L-CH
RESET
STOP
SYSTEM
HP_SW
AUX+B
PROTECT
TUN_ST/SD
ICE04
PST9140
RESET
QD06
QD12
RESET
SYSTEM
STOP
QP09
QD13
QU04
QP01
QP02
QP02
SYSTEM_MUTE
L-CH
R-CH
L-CH
R-CH
R-CH
R
L
+B7(12V)
DIG-IN
GND
+B11(5V CD)
VOLTAGE
REGULATOR
+B11(5V CD)
+B5(5V SWD)
VOLTAGE
REGULATOR
ICU02
74VHC00F
INVERTOR
ICU04
74VHC08F
INVERTOR
ICU05
LC89051V
DIGITAL AUDIO
INTERFACE
MD/CD
AUX
TUNER
L
L
L
R
R
R
CE
DI
CLK
SELO
GND
REC
OUT
ICU01
LC75341M
AUDIO
PROCESSOR
+B6(5V)
+B8(6V)
DIG-OUT
DIG-IN
D-GND
BACKUP
PDOWN
RESET
MD-ST
DSCK
SERCH
KDATA
MDDATA
DSTB
D-GND
D-GND
D-GND
D-GND
D-VDD
D-VDD
PCONTO
LOADSW
A-VCC
AA-GND
AD-GND
TO MD SECTION
L_IN
R_IN
R_OUT
L_OUT
GND(A)
VEE
VCC
VREF
+B12
VP
+B13(5V) BACK UP
TER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
12
2
4
6
8
3
3
1
3
9
10
11
15
1
5
3
1
4
8
7
14
5
6
7
3
8
4
7
2
16
5
14
5
8
1 2
12
4
1
23
21
10
8
4
22
5
2
4
12 13
1
14
3
6
11
1
3
2
4
3
2
1
1
2
37
36
33
41 45
31
42
59 57
98
91
100
4
5
9 2
14
6 1
12
5 11
7
13
3
8
10
22
21
20
19
18
17
16
2
24
1
8
17
12 13
0
1
15
21
4
16
9
3
23
7
35
34
10
30
13
15
18
7
10
19
17
8
6
5
1
4
12
13
9
11
2
TO POWER
SECTION
TO CD
SECTION
TO POWER
SECTION
TO POWER
SECTION
TO POWER
SECTION
BUFFER
MUTE
DRIVE
RESET
DRIVE
QD07
QE01
QD08
CE
DI
CLK
VSSA
XOUT
XIN
T1
T2
VSSD
DO
VDDA
VDDD
TUN_FM
XT21
4.332MHz
23 22 21 20
15
12 13
14
2
3
4 7
8
+B5
(5V SWD)
ICT21
LC72720
RDS DECORDER
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