Sharp SD-AT50H (serv.man11) Service Manual ▷ View online
– 15 –
SD-AT50H
Figure 15 BLOCK DIAGRAM (5/9)
BI507
IC507
BA05ST
SWITCH
REGULATOR
4
2
CNP505
CNP506
IC513
KIA7809AP
VOLTAGE
REGULATOR
3
1
CNP504
Q516
Q518
Q517
IC505
NJM4565D
OPE AMP.
Q514
Q525
Q527
Q526
0
9
8
7
7
6
5
4
3
2
1
0
9
8
7
6
5
Q504
Q503
1
2
3
4
5 6
7 8
2
5 3 1
OUTSW
OUTC
OUTSR_RCH
OUTSR_LCH
CCB_DO
CCB_CL
CCB_DI
CCB_CE
TUN_R
TUN_L
FMVSM
+5V(D)
OUTC
AGND
OUTSW
AGND
+12V
+12V
+12V
-12V
BS_RCH
BS_LCH
TUN_L
TUN_R
+5V(D)
A_+7V
PROTECT
A_+7V
A_-7V
-12V
TUNER_SM
FM_STB
AMP_SOUT
AMP_STB
AMP_CLK
AMP_SIN
AMP_INT
OUTSR_LCH
OUTSR_RCH
OUTF_RCH
OUTF_LCH
A_-7V
A_-7V
HP_R
HP_L
S_MUTE
GND_D
REG_ON
A.GND
GND
AUX
VTR
R-CH
L-CH
L-CH
R-CH
GND_UCON
GND_A
+
-
+3.7V_(UCON)
D+7.5V
AMP_SIN
AMP_SOUT
GND_D
A+15V
AMP_INT
AMP_STB
AMP_CLK
A-15V
CENTER
SURROUND LCH
SURROUND RCH
FRONT RCH
FRONT LCH
GND
GND
TO POWER
SECTION
SUB WOOFER
VDD
-
+
VSS
+3.7V(UN-SWD)
IN22
-12V(A)
-15V(A)
+7.5V(SWD)
+15V(A)
+12V(A)
CE
DO
FM VSM
GND
L OUT
FM DET
VCC +9V
DI
CL
R OUT
3
1
2
2
4
7
5
1
9
3
1
1
6
8
0
1
8
6
1
1
3
1
9
5
7
2
4
2
1
3
1
0
1
6
8
1
5
3
7
2
4
TO DSP
SECTION
TO POWER
SECTION
TO TUNER
UNIT
VDDA
MPXIN
VSSA
XOUT
SYR
CE
T1
T2
DI
CL
DO
VDDD
XIN
VSSD
24
23 22 21 20
15
13
14
2 3
4
12
8
7
XT01
4.332 MHz
QT01
ICT01
LC72720Y
RDS DECORDER
SD-AT50H
– 16 –
Figure 16 BLOCK DIAGRAM (6/9)
D706
LED805
LED803
LED804
LED806
LED802
LED807
LED809
LED808
CNP901
RL9
BI901
D9
2
1
32
31
30
29
28
27
26
25
16
15
14
13
13
12
11
10
9
XL701
2 MHz
BI802
BI801
CNP801
RL801
RL802
SO801
SPEAKER
TERMINAL
D801
RL803
CNP803
IC813
KIA4558F
PRE AMP.
8
4
IC811
KIA4558F
PRE AMP.
8
4
IC812
KIA4558F
PRE AMP.
8
4
BI803
D710
24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8
3
1
2
3
5 6
7
3 2
1
5 6
7
3 2
1
5 6
7
PROTECT
A_-15V
RLY_+12V
P
AC_DETECT
AMP_INT
AMP_INT
T
A
+3.7V(UCON)
+15V
A__+15V
DRIVER
-15V
AMP_CLK
AMP_STB
AMP_SOUT
AMP_INT
AMP_SIN
D_+7.5V
-B
+15V
SYS_STOP
AC_DETECT
S_S_MUTE
F_S_MUTE
FAN_LOCK
PROTECT
FAN
C_S_MUTE
RESET
+3.7V(UCON)
+3.3V(USWD)
+B_CHECK
OFFSET
SYS_STOP
W_S_MUTE
AMP_STB
TIMING_CK
-B_CONT
POWER
AMP_SIN
AMP_CLK
AC_DETECT
A/D_RESET
BASS-SW
SP_RLY
AMP_SOUT
A_+12V
A_-12V
SP__RLY
SP_RLY
SP_RLY
SP__RLY
FAN
FAN_LOCK
BASS-SW
PROTECT
OFFSET
A/D_RESET
W_S_MUTE
C_S_MUTE
S_S_MUTE
F_S_MUTE
PROTECT
A_+12V
BASS SW
DRIVER
RESET
IC702
PST9127
RESET
RELAY
DRIVER
RELAY
DRIVER
VOLTAGE
REGULATOR
MOTOR
DRIVER
SWITHING
BUFFER
BUFFER
BUFFER
BUFFER
MUTE
DRIVER
MUTE
DRIVER
MUTE
DRIVER
MUTE
DRIVER
MUTE
DRIVER
M1
FAN MOTOR
Q701
SUBWOOFER
SUBWOOFER
Q705
Q704
Q703
FRONT R-CH
FRONT L-CH
Q829
Q828
Q859
Q818
VDD
-
+ VSS
+
-
Q815
Q816
Q817
Q820
Q814
Q813
+
VDD
-
VSS
+
-
Q819
Q812
Q811
Q827
Q830
M
Q822
Q801
-
-
+
+ VSS
VDD
POINT
RESET
L-CH +
L-CH -
R-CH -
R-CH +
R-CH -
L-CH -
L-CH +
FRONT
SURROND
CENTER
+
+
-
-
CENTER
L-CH
R-CH
L-CH
R-CH
GND
FRONT
SURROND
R-CH -
L-CH -
L-CH +
SURROND
FRONT
L-CH -
R-CH -
L-CH +
R-CH +
CENTER
+
-
GND
R-CH
L-CH
L-CH
CENTER
R-CH
GND
GND
R-CH +
SUB WOOFER
R-CH +
SURROND FRONT
CENTER
SUB WOOFER
Q919
13
11
12
8
1
2
3
4
5
9
7
2
6
5
4
10
3
1
4
3
2
1
1
3
4
5
2
6
8
9
7
4
2
3
1
5
2
6
3
4
8
7
5
1
2
1
3
4
10
9
11
12
6
8
7
5
1
2
3
4
5
6
7
8
9
10
11
12
13
IC701
IX0564AW
SYSTEM
MICROCOMPUTER
+
–
SP6
SUBWOOFER
TO 1-BIT AMP.
SECTION
TO 1-BIT AMP.
SECTION
TO MAIN SECTION
TO 1-BIT AMP.
SECTION
TO 1-BIT AMP.
SECTION
TO MAIN SECTION
– 17 –
SD-AT50H
Figure 17 BLOCK DIAGRAM (7/9)
IC901
STRF6267
SWITCHING
REGULATOR
5
4
2
1
CNP901
RL911
BI901
D920
F901
T3.15A L 250V
D911
3
2
1
PC901
TRS901
IC911
SE-B2
ERROR
AMP.
2
IC912
KIA7812AP
VOLTAGE
REGULATOR
3
1
L901
AC LINE
FILTER
L902
AC LINE
FILTER
D901
D913
3
2
1
IC913
S812C37A
3.7V REGULATOR
3
2
T901
SWITCHING POWER TRANSFORMER
3
3
1
2
1
A_-15V
+12V
POWER
ETECT
NT
TIMING_CK
TIMING_CK
AC_DETECT
AC_DETECT
+3.7V(UCON)
+15V
A__+15V
RIVER
-15V
AMP_CLK
AMP_STB
AMP_SOUT
AMP_INT
AMP_SIN
D_+7.5V
-B_CONT
CON)
V
V
A_+15V
A_-15V
BUFFER
RELAY
DRIVER
Q919
Q925
Q911
Q924
Q922
Q921
Q920
Q918
Q923
Q901
FB/SYNC
Drain
OCP
SYNC
GND
Vin
13
11
12
8
1
2
3
4
5
9
7
2
6
5
4
10
3
1
4
3
2
1
SO901
AC SOCKET
AC 230V, 50 Hz
AC POWER
SUPPLY CORD
SD-AT50H
– 18 –
Figure 18 BLOCK DIAGRAM (8/9)
2
1
3
2
1
CNP507
3
1
3
1
3
1
CN501B
8
7
6
5
4
3
2
1
44
43
42
41
40
39
38
37
36
35
34
33 32 31 30 29 28 27 26 25 24 23
22
21
20
19
18
17
16
16
15
14
14
13
12
11
10
9
8
7
6
5
4
3
2
1
4
1
1 3
1 2
1 1
1 0
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
44
43
42
41
40
39 38 37 36 35 34 33 32 31 30 29
28
27
26
25
24
24
23
22
21
20
19
18
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
2
2
2
SDATA1
SCLK
LRCK
SCLK
SDATA1
/EXTMEM
_DSP_INTREQ
_DSP_CS
_DSP_SCDOUT
/EMWR
/EMOE
_DSP_SCDIN
EMAD0
EMAD1
EMAD3
EMAD2
EMAD4
EMAD5
EMAD6
EMAD7
_DSP_SCCLK
EX_CLK
_DSP_SCCLK
_DSP_INTREQ
DSP_SCCLK
DSP_ABOOT
DSP_INTREQ
MCLK
LRCK
AUDATA0
SDATA1
SCLK
AUDATA1
AUDATA2
SCL
SDA
OVF
DVD_ON
DVD_POWER
KEY_OUT
EX_CLK
AUDATA2
DSP_RESET
LRCK
SCLK
MCLK
AUDATA1
AUDATA0
PROTECT
CCB_CL
CCB_DI
AMP_CLK
AMP_SOUT
CCB_CE
CCB_DO
TUNER_SM
AMP_INT
FM_STB
AMP_SN
AMP_STB
_DSP_SCDOUT
_DSP_CS
_DSP_SCDIN
DSP_SCDIN
DSP_SCDOUT
DSP_CS
LRCK
+2.5V(D)
+2.5V(D)
+2.5V(D)
IC101
CS493264
DSP
+5V(A)
+5V(D)
+5V(D)
+5V(A)
+5V(A)
+5V(A)
+5V(A)
+3.3V(D)
+3.3V(D)
IC104
74HC07AF
BUFFER AMP.
IC103
TC7WU04U
DUAL2-INPUT
AND GATE
+3.3V(D)
IC112
SI3033LUS
3.3 V REGULATOR
IC111
IX0446AW
VOLTAGE
REGULATOR
IC110
SI3050LUS
VOLTAGE
REGULATOR
<
IC102
AK4586VQ
ADC/DAC/DIR
CONVERTER
IC109
TC7WU04U
DUAL2-INPUT
AND GATE
SO102
SYSTEM CONTROL
TERMINAL
SO101
DVD/CD DIGITAL
INPUT TERMINAL
+5V(D)
GND(U-COM)
+9V(A)
+5V(D)
+2.5V(A)
+5V(D)
+3.7V(UN-SWD)
+3.3V(D)
+2.5V(D)
GND(D)
+5V(A)
GND(A)
LOUT1
LOUT2
LOUT3
ROUT3
ROUT2
ROUT1
RIN
LIN
VCC
GND
3Y
3A
2Y
2A
1Y
1A
RX101
GP1FM521
AUX DIGITAL
INPUT TERMINAL
XL101
12.288 MHz
1A
1Y
2A
2Y
3A
3Y
GND
VCC
PVDD
R
PVSS
RX4
SLAVE
RX3
TST
RX2
I2C
RX1
CAD0/CSN
SCL/CCLK
SDA/CDTI
CAD1/CDTO
INT1
INT0
MCKO
TX
XTI/EXTCLK
XTO
SCLKN2
LRCLKN2
SDATAN2
SCCLK
SCDIN
SCDOUT
CS
INTREQ
EXTMEM
SDATAN1
SCLKN1
LRCLKN1
D0
D1
D2
D3
D4
D5
D6
D7
RD
WR
XMT958
MCLK
SCLK
LRCLK
AUDATA0
AUDATA1
AUDATA2
CLKIN
CLKSEL
FILT2
FILT1
RESET
DD
DC
AGND
VA
DGND3
DGND2
DGND1
VD3
VD2
VD1
DZF2/OVF
VCOM
VREFH
AVDD
AVSS
DZF1
LIN
RIN
ROUT1
ROUT2
ROUT3
LOUT3
LOUT2
LOUT1
PDN
DVSS
DVDD
TVDD
SDTO
SDTI3
SDTI2
SDTI1
LRCK
BICK
3
2
1
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
VCC
GND
TO MAIN SECTION
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