DOWNLOAD Sharp SD-AT50H (serv.man13) Service Manual ↓ Size: 1.02 MB | Pages: 11 in PDF or view online for FREE

Model
SD-AT50H (serv.man13)
Pages
11
Size
1.02 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre / Schematic diagrams
File
sd-at50h-sm13.pdf
Date
PREV: Sharp SD-AT50H (serv.man12) Service Manual

Sharp SD-AT50H (serv.man13) Service Manual ▷ View online

SD-AT50H
– 30 –
Figure 30 SCHEMATIC DIAGRAM (1/11)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 42.
+12V
RED 
BLUE
BLUE
40 
39 
40 
39 
38 
37 
36 
35 
34 
33 
32 
31 
30 
29 
28 
27 
26 
25 
BLUE
2
1
ORANGE
GREEN 
RED  GREEN 
ORANGE
RED 
24 
24 
23 
23 
22 
22 
21 20 19 18 17 16 15 14 13 1
51 52 5
41 42 43 44 45 46 47 48 49 50 
12 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
3
DGND
CONFIG
AGND
HP_R
HP_L
S_MUTE
PROTECT
CONFIG
VOL_CL
VOL_DA
LED9V 
BLIGHT
POWERKEY
TIMERLED
VIRLED
DPLLED
DDLED
STRLED
STDLED
DTSLED
LCDRESET
LCDCS
LCDSCL
LCDSDA
KEY_1 
AMP_SIN 
AMP_INT 
AMP_STB 
FM_STB
CCB_CL
CCB_DO
TUNER_SM
AMP_CLK 
AMP_SOUT
ROUT1 
LOUT1 
CCB_DI
CCB_CE
ROUT2 
LOUT2 
LOUT3 
ROUT3 
LIN 
RIN 
+5V(D)
VOL_DA
VOL_CL
+5V(D)
V5OUT 
V2OUT 
VLCD
VLOUT 
C1–
C1+ 
VCC 
GND 
SDA 
SCL 
CS
RESET 
AGND
AGND
DVD/CD
R-CH
LC
H
+3.7V(UN-SWD)
R-CH
GND(A)
L-CH
SL
SR
SW
CENTER
GND(U-COM)
+3.7V(UN-SWD) 
GND(A)
+9V(A)
GND(D)
+5V(D)
GND(U-COM)
H.P  SW
L-CH
GND(A)
R-CH
RXIN
+5V(D)
+3.3V(SWD)
GND(D)
RXIN
GOUTC 
AGND2 
VINSW 
GOUTSW
AGND1 
IN  DSPSL
INDSPC
IN  DSPSW
OUTSL 
OUTSR 
VINSL 
VINC
OUTSW 
OUTC
VINSR 
IN2DSP
OUT1(+)
IN  DVDSR
VCC 
DA
GOUTSR
IN1MIX
OUT2(–)
CL
MUTE
OUT2(+)
INDVD  SW
AGND5 
AGND6 
VEE 
AGND4 
DGND
OUT1(–)
IN1DSP
INDVDC
IN  DVDSL
GOUTSL
AGND3 
G
IN  DSPSR
IN2MIX
R-CH
GND(A)
L-CH
H.P  SW
GND(U-COM)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
21
22
23
24
25
20
1
2
3
1
2
3
1
2
3
1
2
3
1
1
1
2
2
2
3
3
3
1
2
3
1
2
3
1
2
3
1
2
3
DISPLAY PWB-A2
CN502B
P33  10 - A
TO DSP PWB
1
25
1 2 3 4 5 6 7 8 9
1
9
CN503B
P33  11 - A
TO DSP PWB
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
CN501B
P32  4 - A
TO DSP PWB
1
25
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
+B
+B
+B
+B
+B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
Q1~Q9: LED DRIVER
C502
10/16
C501
10/16
D538
DS1SS133
D537
DS1SS133
C503
10/16
C504
10/16
C663
100P
C664
100P
C507
0.022
C506
47/16
C505
47/16
C508
0.022
R500
1K
R501
1K
IC5
BD38
VOLU
C525
2.2/50
C526
2.2/50
C535
0.015
C536
0.015
R517
100K
R518
100K
R522
100K
R521
100K
C537
0.015
C538
0.015
C533
0.015
C534
0.015
R514
100K
R513
100K
R520 220
R512 220
R511 220
R515 220
R516 220
C529
2.2/50
C530
2.2/50
C527
2.2/50
C528
2.2/50
C532
2.2/50
C531
2.2/50
R507
100K
R509
1.8K
R508
100K
R510
1.8K
R649
100K
Q502
KRA107 M
Q501
KRA107 M 
R648
100K
Q528
KRC107 M 
CN503A
CN501A
JT501
DVD/CD/TV
INPUT
TERMINAL
R643 18K
R644
18K
C660
1/50
C659 1/50
R646
47K
C662
47P(CH)
CN502A
R8
560
LED8
SEL2E10C
L01
2.2 
µ
H
SO1
HEADPHONES
C14
0.022
C15
0.022
WI01
D5
D4
D3
D2
C16
C3
150P(CH)
C2
10/16
C1
0.022
RMS1
GP1UD271
D1
DS1SS133
R10
33
Q8
KRC107 M
Q9
KTC3199 GR
Q1
KRC107 S
Q4
KRC107 S
Q3
KRC107 S
Q2
KRC107 S
Q7
KRC107 S
Q6
KRC107 S
Q5
KRC107 S
R4
1.5K
R5
220
R6
220
R7
220
R3
220
R2
1.5K
R1
1.5K
R13
1.8K
R11
3.3K
R12
2.2K
LED7
3105T1
LED6
3105VGT
LED2
31URT21
LED3
3105VGT
LED5
3105T1
LED4
31URT21
LED1
31URT21
SW1
POWER 
SW5
FUNCTION
SW4
DIGITAL/
ANALOG
SW2
VOLUME
UP
LED9
SELU2E10
R9
120
LED10
SELU2E10
LCD1
C17 0.001
C13
0.47
C12
0.47
C11
0.1
C18
0.1
ZD1
DZ3BSA
R18
10
D501
DS1SS133
D502
DS1SS133
SW3
VOLUME
DOWN 
C16: 0.001
D2~D5: DS1SS133
R519 220
FFC502
FFC503
FFC501
REMOTE SENSOR
– 31 –
SD-AT50H
Figure 31 SCHEMATIC DIAGRAM (2/11)
7
8
9
10
11
12
–12V
+5V(D)
–12V(A) 
+12V(A) 
–12V
+12V
–15V(A) 
+7.5V(SWD)
+5V(D)
+3.3V(D)
+12V
+12V
+15V(A) 
FM_STB
4 2 
3 1 
80 
80 
79 
78 
77 
76 
75 
74 
73 
72 
71 
70 
69 
68 
67 
66 
65 
65 
40 
39 
8 
7 
6 
5 
4 3 2 
1 
24 
23 
22 
0 19  18  17  16  15  14  13  12  11  10 
1 
2 
3 
4 
5 
6 
7 
8 
9 
51 52 53 54 55 6 
5 5 
7 5 
8 59 6 
0  1 
6 6 
2 6 
3 6 
4 
 46 47 48 49 50 
1 
3 
5 
2 
TUN_R
TUN_L
AGND
OUTC
AGND
OUTSW 
AGND
BS_RCH
BS_LCH
TV_LCH
TV_RCH
DVDA_LCH
DVDA_RCH
TUN_L 
TUN_R 
DGND
OUT_R 
OUT_L 
A_+7V 
PROTECT 
VOL
_
DA
VOL_CL
A_+7V 
A_-7V 
VTR_RCH 
VTR_LCH 
OUTC
OUTSR_RCH 
OUTSR_LCH 
CCB_DI
CCB_DO
CCB_CL
CCB_CE
FMVSM
TUNER_SM
AMP_SOUT
AMP_STB 
AMP_CLK 
AMP_SIN 
AMP_INT 
AGND
AGND
OUTSW 
OUTSR_L-CH 
OUTSR_R-CH 
OUTF_R-CH
OUTF_L-CH
A_–7V 
A_-7V 
+–15V_AGND
HP_R
HP_L
S_MUTE
GND_D
REG_ON
A.GND
GND 
AUX 
VTR 
TV
DVD/CD
R-CH
L-CH
L-CH
R-CH
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  L-CH
SURROUND  R-CH
FRONT  R-CH 
FRONT  L-CH 
GND 
GND 
SUB  WOOFER
GND(U-COM)
VINSL 
IN2DSP
OUT1(+)
IN  DVDSR
VCC 
DA
IN1MIX
OUT2(–)
CL
MUTE
OUT2(+)
INDVD  SW
AGND5 
AGND6 
VEE 
()
INDVDC
IN  DVDSL
IN82
AGND8 
OUT1
IN81
IN72
IN71
IN62
BBNF1 
OUT2
BNF22 
BBNF2 
IN61
IN52
IN51
BNF12 
BNF21 
BNF11 
IN41
IN42
TNF1
IN32
IN21
GOUT1
AGND9
IN12
IN11
VIN2
GOUT2
ROUT32
ROUT31
AGND10
ROUT11
ROUT22
ROUT21
ROUT12
GOUTSL
AGND7 
TNF2
VIN1
IN22
IN2MIX
IN31
GND(D)
GND(D)
CE
DO
FM  VSM
GND 
L  OUT 
FM  DET
VCC  +9V 
DI
CL
R  OUT 
+ 
–
VDD 
–
+ 
VSS 
MAIN PWB-A1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
1
2
3
CNP507
P33  7 - A
TO DSP PWB
G
S
D
G
S
D
+3.7V(UN-SWD) 
TUNER UNIT
1
11
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B
+B
+B
+B
-B
-B
-B
VDDA
VREF
MPXIN 
VSSA
FLOUT 
CIN 
T5
XOUT
SYR
CE
T1
T2
T3
T4
T7
DI
CL
DO
RDS-ID
SYNC
VDDD
XIN
T6
VSSD
24 
23 22 21 20 19 
15 
16 
17 
18 13 
14 
1 2 3 
4 
5 
12 
11 
10 
9 
8 
7 
6 
Q516
KTA1266 GR
R595
100K
R596
10K
R647
82
C639 100/16
R593
100K
R591
82
Q517
KTC2874 B
C571
0.001
C572
0.001
R597 2.2K
IC505
NJM4565D
C665 220/16
R713A 15K
C641 0.022
R585
10K
R587
82K
C637
33P(CH)
R583 100K
R584 100K
C633
10/16
C634
10/16
R586
10K
C642
0.022
Q503
2SK246 GR
C666
220/16 R626
150 
R714A
15K
R588
82K
C638
33P
(CH)
C640 100/16
D518
DS1SS133
R599
1K
Q525
KTC3205 Y
Q526
KTA1273 Y
C587
0.022 
C588 0.022
ZD503
DZ7.5BSB 
C586 22/16
C584 22/16 C582 0.022
R602
47K 
R603
5.6K
C578 0.022
C585 100/16
C583 22/16
R601
47K 
ZD502
DZ7.5BSB
R600
5.6K
R606
470K
Q527
KTC3199 GR
R605 47K
D517
DS1SS133
R604 47K
R690
47(1/2W)
R689
120(1/2W)
R611
120(1/2W) 
C598
100/16
C601
100/16
R614
47K
R613
47K
R612
47(1/2W)
D516
DS1SS133
R616
1K
Q514
KTC3199 GR 
R615
470K
D514
DS1SS133
IC507
BA05ST
SWITCH REGULATOR
C604
1/50
C605
0.022
C606
0.047
C696
22/16
R652 220
ZD504
DZ3.3BSB
R651
82
R621
1K
D507
DS1SS133
R619
1K
D509
DS1SS133
R620
1K
D508
DS1SS133
C697
0.001
C698
0.001
R607 220K
IC513
KIA7809AP
VOLTAGE
REGULATOR
C629
0.022 
C630
1
R608
68K
CNP504
100P
C664
100P
C507
0.022
C506
47/16
C505
47/16
C508
0.022
1K
R501
1K
R504 4.7K
R505 4.7K
C521 0.0047 (ML)
C522 0.0047 (ML)
C517
C518
C519
C520
C523
10/16
C524
10/16
IC501
BD3811K1
VOLUME IC
CNP506
SYSTEM
CONTROL
TERMINAL
COR501
C589 0.001
C701 0.01
D519
DS1SS133
D520
DS1SS133
COR502
BI507
CNS507
CNP505
SYSTEM
CONTROL
TERMINAL
D525
DS1SS133
D526
DS1SS133
C590 0.001
C591 0.001
D527
DS1SS133
D528
DS1SS133
C594 100/16
D511
DS1SS133
D510
DS1SS133
C592 0.001
C632 0.001
C692 0.001
D521
DS1SS133
D522
DS1SS133
JT502
VTR/AUX
INPUT
TERMINAL
C652
1/50
C651 1/50
R637
47K
R638
47K
C653
47P(CH)
R635 18K
C654
47P(CH)
R636
18K 
R634
47K
R633
47K
C647
47P(CH)
C648 47P(CH)
C646 1/50
C645
1/50
R632 18K
R631
18K
D524
DS1SS133
D523
DS1SS133
C649 0.001
C691 0.001
01
D/TV
UT
NAL
R643 18K
R644
18K
C660
1/50
C659 1/50
R646
47K
R645
47K
C662
47P(CH)
C661
47P(CH)
R640 18K
C658 47P(CH) 
R639
18K 
C657
47P(CH)
R642
47K 
R641
47K
C655
1/50
C656 1/50
R627
150
Q504
2SK246 GR
R594
100K
R590
82
R592
82
R598
2.2K
Q518
KTC2874 B
C517~C520: 0.068
C596
47/16
C595
47/16
IC505: OPE AMP.
FFC504
ICT01
LC72720Y
RDS DECORDER
CT02 0.022
RT08
56K
CT06 0.022
LT21
2.2 
µ
H
RT10
10K
CT05
10/16 
RT17 100K
CT07
0.022 
RT09
56K
QT01
KTC3199 GR
CT01 47/16
CT08
0.022
CT04
15P(CH)
RT11
220K
DT01
DS1SS133
CT11 560P
LT22
2.2 
µ
H
CT10
0.022
XT01
4.332 MHz
CT03
15P(CH)
RT05 220K
RT06 220K
RT02 1K
RT03 1K
RT01 1K
RT04 1K
RT07 220K
CT14 100P(CH)
CT13 100P(CH)
CT15 100P(CH)
CT12 100P(CH)
CT09 47/16
R688 10K
FM SIGNAL 
DVD/CD SIGNAL 
AUX SIGNAL 
TV SIGNAL 
VTR SIGNAL 
SD-AT50H
– 32 –
Figure 32 SCHEMATIC DIAGRAM (3/11)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 42.
3
1
3
1
3
1
8
7
6
5
4
3
2
1
9
10
11
12
13
14
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
6
5
4
3
2
1
2
7 8 9
10 11 12 13 14 15 16 17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
28
27
42
43
44
9
10 11
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
13
12
8
7
6
5
4
3
2
1
2
2
DVD_POWER 
KEY_OUT 
DSP_SCCLK
DSP_ABOOT
DSP_INTREQ
_DSP_INTREQ
PROTECT
CCB_CL
CCB_DI
AMP_CLK
AMP_SOUT
CCB_CE
CCB_DO
TUNER_SM
AMP_INT
FM_STB
AMP_SN
AMP_STB
EX_CLK
EX_CLK
MCLK
LRCK
AUDATA0
SCLK
SDATA1
OVF 
SCL 
SDA 
AUDATA2 
AUDATA1 
DVD_ON
_DSP_SCDOUT
_DSP_CS
_DSP_SCDIN
DSP_SCDIN
DSP_SCDOUT
DSP_CS
_DSP_SCCLK
DSP_RESET
LRCK
SCLK
MCLK
AUDATA1
AUDATA0
_DSP_SCDIN
/EMWR
/EMOE
/EXTMEM 
EMAD0
EMAD1
_DSP_INTREQ 
_DSP_SCDOUT 
_DSP_CS 
_DSP_SCCLK
EMAD5
EMAD3
EMAD6
EMAD4
EMAD7
EMAD2
AUDATA2
LRCK
SDATA1
SCLK
LRCK
SCLK
SDATA1
GND(D)
GND(
µ
-COM)
GND(A)
GND(A)
GND(D)
GND(A)
GND(
µ
-COM)
+9V(A)
+5V(D)
CHASSIS 
+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
CHASSIS 
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 
CN501A
P30  1 - E
TO MAIN PWB
CNS507
P31  12 - D
FROM MAIN PWB
1
25
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
CHASSIS
SO101
DVD/CD DIGITAL
OPTICAL
INPUT TERMINAL
R144 150
C135 0.01
C168 0.01
R150
150
D101
KDS160
D102
KDS160
D313
DS1SS133
D314
DS1SS133
RX101
AUX DIGITAL
OPTICAL
INPUT TERMINAL
C136
0.1
R138
47K
SO102
SYSTEM CONTROL
TERMINAL
R410
1K
R411
1K
D305
KDS160
D311
DS1SS133
D312
DS1SS133
D304
KDS160
C143 0.01
C169 0.001
R122 4.7K
R123 4.7K
R124 4.7K
R103 3.3K
R102 3.3K
R104 3.3K
R101 10K
R125 330
R126 330
R127 100
R128 100
C102 1
C140 0.1
R105 3.3K
R108 10K
R109 10K
R110 10K
R111 10K
R112 10K
R113 10K
R107 10K
R106 10K
C163
100/10
C139 0.1
C101 1
R117 10K
R114 3.3K
R116 3.3K
R115 3.3K
C141
0.1
C103 1
ZD101
KDZ2.7V
R132
470
R118
10K
C108
0.1
R119 100
R120
33K
C105 2.2/50
C104 
1
C142
0.1
R121
330
C167
180P
XL101
12.288 MHz
R148 1M
C125
22P(CH)
C126
22P(CH)
C150 10/16
IC101
CS493264
DSP
IC103
TC7WU04U
DUAL2-INPUT NAND GATE
C123
0.001
L103
2.2
µ
H
C124
1
C155
0.1
IC104
74HC07AF
BUFFER AMP.
C127 1
C156 0.1
R149
470
C120
0.1
C122
0.001
C149
10/16
C147 0.1
C114 1
C115
0.1
R133
10K
R131
10K
C116 0.1 C112
1 
C145
0.1
C164
10/16
R134
4.7
C109
1
C165
0.001
C111
2.2/50
C110
0.1
C113
1 
C146
0.1
R129
4.7
R130
18K
IC102
AK4586VQ
ADC/DAC/DIR
CONVERTER
IC109
TC7WU04U
DUAL2-INPUT
NAND GATE
C132
1
C153
0.1
R147 47K
R146 47K
C133
0.1
CN501B
CNP507
R141
1K
C148
10/16
C166
3.3/16
IC110
SI3050LUS
VOLTAGE
REGULATOR
C117
1
C144
0.1
D103
KDS160
R140
1K
R139
1K
C137
1
C138
0.1
IC111
IX0446AW
C151
10/16
C154
0.1
C118
1
IC112
SI3033LUS
C152
10/16
D104
KDS160
D105
KDS160
C161
0.001
C107 0.01
C106 470P
FFC501
VOLTAGE
REGULATOR
3.3 V REGULATOR
C170
0.001
FM SIGNAL 
– 33 –
SD-AT50H
Figure 33 SCHEMATIC DIAGRAM (4/11)
7
8
9
10
11
12
1
1
1
5
4
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1 3 2
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
DSP_SCDOUT
AMP_INT
CCB_DO
FLASH_TXD
FLASH_SCLK
FLASH_BUSY
STR_LED
FLASH_RXD
RESET
FLASH_VCC
S_MUTE
SUB_SP_ON
VOL_DA
PROTECT
BASS_SW
VOL_CL
DVD_POWER
BASS_SW
DSP_UC15
STD_LED 
DSP_RESET 
DSP_SCDIN 
DSP_UC17
TIMER_LED
DTS_LED 
DSP_SCCLK 
DSP_CS
DD_LED
DSP_UC16
FLASH_EPM
FLASH_CE
AUDITION
POWER_KEY 
PROTECT 
KEY1
FM_STB
CCB_CE
CCB_DI
CCB_CL
TUNER_SM
DIG_FUNC+B
ROM
SYS_STOP
RESET
SCL
SDA
AMP_SOUT
AMP_SN
AMP_CLK 
AMP_STB 
B_LIGHT
LCD_RESET
DVD_ON
FLASH_VCC
OVF
KEY_OUT
LCD_SDA 
LCD_SCL 
LCD_CS
RX_IN
FLASH_BUSY
FLASH_SCLK
FLASH_RXD 
FLASH_TXD 
S_MUTE
VOL_CL
VOL_DA
DPL_LED
VIR_LED
H.P_SW
DSP_INTREQ
AREA
DSP_ABOOT
_S_MUTE
SUB_SP_ON
+3.3V(UN-SWD)
+3.3V(SWD)
+3.3V(BACK-UP)
+3.3V(UN-SWD)
+3.3V(SWD)
+9V(A)
+9V(A)
+3.3V(SWD)
+3.3V(UN-SWD) 
+3.3V(BACK-UP)
CHASSIS 
GND(H/P)
L-CH(H/P) 
R-CH(H/P) 
+3.3V(SWD)
+3.3V(SWD)
+3.3V(BACK-UP)
+3.3V(UN-SWD) 
POINT
RESET
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
3
2
1
9
10
11
12
13
14
15
16
17
18
20
21
22
23
24
25
19
8
7
6
5
4
3
2
1
1 2 3 4 5 6
9
8
7
9
8
7
6
5
4
3
2
1
1
2
3
1
2
3
1
2
3
CN502A
P30  5 - B
TO DISPLAY PWB
CN503A
P30  2 - C
TO MAIN PWB
CNS507
P31  12 - D
FROM MAIN PWB
9
1
25
1
DSP PWB-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
CHASSIS
CNP507
TP300
CN502B
CN503B
S
E
OR
17
C137
1
11
46AW
C118
1
112
33LUS
R331 220
R332 220
R333 1K
R334 1K
R335 1K
R337 1K
R336 1K
R338 1K
R339 1K
R346
10K
R341
10K
R342 1K
R343 1K
R344 1K
R347 1K
R348 1K
R349 1K
R350 1K
R363 1K
R361
1K
R354 1K
R351 1K
R352 1K
R353 1K
R355 1K
R356 1K
C309 0.1
R365 1K
R371 1K
R372 1K
R370 1K
R366 1K
R373 1K
R374 1K
R379 1K
R375 1K
C310
1/50
R396
22K
R398
330
Q303
KRA106 S
R389 1K
R392 1K
R391 1K
R388 1K
R387 1K
R385 1K
R386 1K
R383 1K
R381 1K
R382 1K
R394 1K
R395 1K
R397
1K
C303
0.1
C304
10/16
C301
0.1
C302
100/10
R309 1K
R308 220K
R303 1K
R306 1K
R307 1K
R302 1K
R305 1K
R304 1K
R301 1K
R310 1K
C306
15P(CH)
C307
18P
(CH)
C305
15P(CH)
C308 0.1
XL301
8.38 MHz 
R312 1K
R313 820
R311 100K
R317 10K
R318 1K
R320 1K
R323 1K
R326 1K
R325 1K
R328 1K
R329 1K
R330 1K
R412
47K
R406 10K
R407 10K
R413
47K
IC301
IX0563AW
DSP SYSTEM
MICROCOMPUTER
D306
KDS160
D301
KDS160
R404
47K
R405
47K
C320
0.1
IC302
PST9127N
RESET
C319
10/16
R319
680
Q402
KRC104 S
D302
KDS160
C318 0.01
Q401
KRC104 S
C317
4.7/25
C316 0.01
C313
220/6.3
R316 100K
R314
150
R315 150
C314
220/6.3
R414
2.7K
C311 47P(CH)
C312 47P(CH)
R408 2.2K
R400 6.8K
R403 10K 
R401
10K
R402
6.8K
D303
KDS160
R399
47K
D307
KDS160
D308
KDS160
R362
10K
R364
10K
FFC503
FFC502
AGE
ATOR
LATOR
D309 DS1SS133
D310 DS1SS133
C170
0.001
Page of 11
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  • Here you can View online or download the Service Manual for the Sharp SD-AT50H (serv.man13) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp SD-AT50H (serv.man13) Home Theatre. Information contained in Sharp SD-AT50H (serv.man13) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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SD-AT50H (serv.man12) PWB diagrams Service Manual 10 1.62 MB
SD-AT50H (serv.man14) Voltage Service Manual 1 16.9 KB
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SD-AT50H (serv.man2) Replacement Service Manual / Parts Guide 9 55.93 KB
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