Sharp SD-AT50H (serv.man18) Service Manual ▷ View online
– 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
– 19 –
SD-AT50H
Figure 19 BLOCK DIAGRAM (9/9)
CNP507
TP300
CN503B
5
4
3 2
1
100
99
98
97
96
96
95
94
94
93
92
91
91
90
89
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
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
15 14 13
12 11 10 9 8 7 6 5 4 3 2 1
TUNER_SM
H.P_SW
DSP_INTREQ
RESET
SYS_STOP
RX_IN
AMP_INT
DSP_RESET
DSP_SCCLK
DSP_CS
DSP_SCDOUT
DSP_SCDIN
FLASH_BUSY
FLASH_SCLK
FLASH_RXD
FLASH_TXD
DTS_LED
STD_LED
DD_LED
TIMER_LED
DSP_UC17
DSP_UC16
DSP_UC15
DSP_ABOOT
ROM
DPL_LED
VIR_LED
VOL_CL
VOL_DA
B_LIGHT
STR_LED
SUB_SP_ON
DIG_FUNC+B
BASS_SW
_S_MUTE
S_MUTE
PROTECT
POWER_KEY
CCB_CL
FM_STB
CCB_CE
CCB_DI
CCB_DO
DVD_POWER
KEY1
LCD_SDA
LCD_SCL
LCD_CS
FLASH_VCC
LCD_RESET
AMP_STB
AMP_CLK
AMP_SN
AMP_SOUT
OVF
KEY_OUT
DVD_ON
SDA
SCL
B_LIGHT
RX_IN
POWER_KEY
LCD_SDA
TIMER_LED
LCD_SCL
DTS_LED
LCD_CS
DD_LED
LCD_RESET
DPL_LED
VIR_LED
STD_LED
H.P_SW
STR_LED
KEY1
FLASH_TXD
FLASH_SCLK
FLASH_BUSY
FLASH_RXD
RESET
FLASH_VCC
S_MUTE
SUB_SP_ON
VOL_DA
PROTECT
BASS_SW
VOL_CL
Q401
Q402
Q303
IC302
PST9127N
RESET
IC301
IX0563AW
DSP SYSTEM
MICROCOMPUTER
2
LUS
ULATOR
IC111
IX0446AW
VOLTAGE
REGULATOR
+3.3V(SWD)
+3.3V(BACK-UP)
+3.3V(UN-SWD)
+9V(A)
+3.3V(UN-SWD)
+3.3V(BACK-UP)
GND(H/P)
L-CH(H/P)
GND(H/P)
L-CH(H/P)
R-CH(H/P)
R-CH(H/P)
+3.3V(BACK-UP)
+3.3V(UN-SWD)
+3.7V(UN-SWD)
RESET
POINT
P47
P50
P51
P52
P53
P54
P55
P56
P57
P60
P61
P62
P63
P64
P65
P66
P70
P71
P72
P73
P74
P75
P76
P77
P80
P81
P82
BYTE
P97
AVCC
VREF
AN0
AVSS
AN1
AN2
AN3
AN4
AN5
AN6
AN7
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P43
P27
VSS
P30
VCC
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P44
P45
P46
P67
P83
P85
VCC
XIN
VSS
P84
XOUT
RESET
P86
P87
CNVSS
P90
P91
P92
P93
P94
P95
P96
XL301
8.38MHz
3
2
1
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
3 4 5
9
8
7
9
8
7
6
5
4
3
2
1
2
6
+3.3V(SWD)
+5V(D)
TO MAIN SECTION
TO DISPLAY SECTION
SD-AT50H
– 20 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 20 WIRING SIDE OF P.W.BOARD (1/10)
R594
R593
R588 C638
R584
R585
R586
R583
C637
C641
R587
R713A
C578
C587
R615
R600
R601
R602
R603
C582
C588
C642
R648
R505
IC501
R504
C508
C507
R500
R501
R621
C630
C629
C606
C697
C648
R633
C647
R634
RT07
CT14
RT06
RT10
CT13
CT10
CT03
CT04
CT15
R635
R637
C653
R638
C654
R636
R639
C657
R641
C658
R642
R645
C661
C662
R646
C537
R521
R507
R509
C535
C533
R519
R517
R513
R515
R511
R512
R514
R520
R522
C534
C538
R508
R516
R510
R518
C536
R644
C632
C691
C692
R643
R640
C649
R632
R631
C589
RT11
CT11
CT08
CT07
CT02
RT08
RT09
CT06
CN503A
Q517
Q518
R597
R598
R596
R591
R647
R590
R592
Q516
R595
R714A
C634
C640
IC505
C665
C633
C639
C583
C585
R626
R627
ZD502
Q514
D514
Q525
R614
R613
ZD503
C584
Q526
R690
C586
D509
D517
R605
C601
Q527
D516
C598
R606
R604
D518
Q504
R619
D508
R616
R620
R599
C666
Q503
C502
C501
D501
Q501
R649
Q502
D502
Q528
C524
C523
C522
C521
C520
C519
C518
C517
C698
C506
D537
C503
C504
D538
C505
C664
C663
COR501
D507
COR502
R652
BI507
C605
C604
CT09
DT01
CT01
CT05
RT17
C595
C696
C594
R689
IC507
IC513
R611
R612
C596
D526
D525
D527
D528
R651
R688
LT22
LT21
ZD504
CNP504
R608
R607
C645
C646
C651
C652
C655
C656
C659
C660
C531
C529
C527
C525
CN501A
C526
C528
C530
C532
D521
D522
JT501
DVD/CD/TV
TERMINAL
JT502
VTR/AUX
TERMINAL
D523
D524
D520
D519
CNP506
SYSTEM
CONTROL
TERMINAL
C590
CT12
RT01
RT02
RT03
RT04
RT02
RT03
RT04
CNP505
SYSTEM
CONTROL
TERMINAL
C592
C591
D511
D510
FFC501
FFC503
CNS507
RT05
ICT01
XT01
QT01
C701
CN501B
P25 10 - B
TO DSP PWB
25
1
R-CH
L-CH
DVD/CD
R-CH
L-CH
TV
R-CH
VTR
L-CH
R-CH
L-CH
AUX
1 2 3 4
1
5
7
8 9
10
11
12
13
6
2 3 4
5 6 7 8
1 2 3
CNP507
P25 10 - G
TO DSP PWB
1
2
3
4
7
8
5
6
9
10
11
2
1
4
3
6
5
8
7
10
9
12
11
14
13
16
15
18
17
20
19
22
21
24
23
25
25
3
2
1
2
1
3
2
1
2
1
41
45
50
55
60
64
65
70
75
80
1
5
10
15
20
24
25
30
35
40
1
2
3
4
8
7
6
5
E C B
S
G
D
D
S
G
D
D
E
C
B
C
B
E
C
B
C
B
E
C
B
C
B
2 4 6 8
1 3 5 7 9
1
2
3
2
3
E
C
B
C
B
B
C
E
C
E
B C E
MAIN PWB-A1
1
3
1
1
2
3
3
5
2
4
CN503B
P24 1 - F
TO DSP PWB
1
9
WH
GY
GY
WH
GY
GY
GY
GY
1
24
20
15
10
5
13
12
E C B
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