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SD-AT50H (serv.man11). Block diagram - Sharp Audio Service Manual (repair manual)

sd-at50h (serv.man11) service manual
Model
SD-AT50H (serv.man11)
Pages
9
Size
483.27 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre / Block diagram
File
sd-at50h-sm11.pdf
Date
Next: Sharp SD-AT50H (serv.man12) Service Manual

Read Sharp SD-AT50H (serv.man11) Service Manual online

– 11 –
SD-AT50H
 Figure 11 BLOCK DIAGRAM (1/9)
ANALOG SIGNAL
INPUT
OUTPUT OFFSET
ADJUSTMENT
+5V
ADIC INSIDE
(IX2815AF)
IN
NF+
A+5V
D+5V
D+5V
OUT+
OUT-
NF–
B, S
B, S
B, S
B, S
H-IN
L-IN
H-IN
L-IN
VKK
D+5V
VCC
VDD(D+5V)
+POWER
-POWER
+POWER
-POWER
ICA102, ICA107
ICA202, ICA207
ICA302, ICA307
SLA5505M
SWITCHING AUDIO
POWER AMP.
LOW PASS FILTER
LOAD
OFFSET 
DETECTION CIRCUIT
NF
+B
A+5V
KIA78M05
KIA78M05
KIA78M05
IN
IN
OUT
GND
ICA101, ICA201, ICA301
TC74AC8T
QUAD 2 INPUT AND GATE
OUT
-B
-B
+B
-B
GND
GND
+B
D+5V
IN
OUT
GND
REFERENCE 
VOLTAGE + 6.5 V
-POWER
DEADTIME CONTROL
(6 CH AVAILABLE)
+
–
+
–
+
–
ICA100, ICA200, ICA300
IX2815AF
7TH ORDER 
∆∑
 
MODULATION 
CONVERSION LSI
ICA401
KIA7805AP VOLTAGE
REGULATOR
ICA402
KIA7805AP VOLTAGE
REGULATOR
ICA400
KIA7806AP VOLTAGE
REGULATOR
OVERCURRENT/
OVERHEAT DETECTION CIRCUIT
SD-AT50H
– 12 –
 Figure 12 BLOCK DIAGRAM (2/9)
LED
LED6
LED5
LED4
LED3
 
LED2
LED1
RMS1
GP1UD271
REMOCON SENSOR
2
1
LED10
SO1
HEADPHONES
LED9
1
2
3
4
5
6
7
8
9 10 11 12
3
Q8
Q1
Q2
Q3
Q4
Q5
Q6
LCD1
V5OUT
 
V2OUT
 
VLCD
VLOUT
 
C1- 
C1+ 
VCC 
GND 
SDA 
SCL 
CS
RESET
 
RXIN
LED
LED DRIVER
LED DRIVER
LED
DRIVER
LED DRIVER
LED DRIVER
LED
DRIVER
LED
DRIVER
Q9
LED DRIVER
– 13 –
SD-AT50H
 Figure 13 BLOCK DIAGRAM (3/9)
LED7
LED6
D5
LED8
ES
CN502A
BACK_LIGHT
STRLED
KEY_1
LCDSDA
LCDSCL
LCDCS
LCDRESET
DTSLED
STDLED
POWERKEY
DDLED
DPLLED
VIRLED
TIMERLED
LED9V
Q5
Q6
Q7
+5V(D)
+3.7V(UN-SWD)
GND(U-COM)
H.P  SW
L-CH
GND(A)
R-CH
RXIN
+5V(D)
+3.3V(SWD)
GND(D)
N
R-CH
L-CH
H.P  SW
25
24
23
22
21
20
19
18
17
15
13
12
11
10
9
8
7
6
5
4
3
2
1
16
14
SW2~SW5
LED DRIVER
LED DRIVER
D DRIVER
SW1
TO DSP SECTION
SD-AT50H
– 14 –
 Figure 14 BLOCK DIAGRAM (4/9)
CN501A
JT502
VTR/AUX
TERMINAL
 
Q528
CN503A
Q502
Q501
JT501
DVD/CD/TV
TERMINAL
 
IC501
BD3811K1
VOLUME IC
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
17 16 15 14
1 
2 
3 
4 
5 
6 
7 
8 
9 
10
11
12
13
24 23
18
19
20
21
22
41 42 43 44 45 46 47 48 49 50 51 52
64
63
62
61
60
59
58
57
56
55
54
53
+5V(D)
RIN
LIN
ROUT3
LOUT3
LOUT2
ROUT2
CCB_CE
CCB_DI
AMP_CLK
LOUT1
ROUT1
AMP_SOUT
TUNER_SM
CCB_DO
CCB_CL
FM_STB
AMP_STB
AMP_INT
AMP_SIN
OUTSW
OUTC
OUTSR_
OUTSR_
VOL_CL
VOL_DA
S_MUTE
+12V
CONFIG
AGND
HP_R
HP_L
S_MUTE
PROTECT 
CONFIG
VOL_CL
VOL_DA
BS_RCH
BS_LCH
TV_LCH
TV_RCH
DVDA_LCH
DVDA_RCH
TUN_L 
TUN_R 
VTR_RCH 
VTR_LCH 
AUX
VTR
TV
DVD
R-CH
L-CH
LC
H
R-CH
R-CH
L-CH
L-CH
R-CH
R-CH
GND(A)
L-CH
GND(U-COM)
+3.7V(UN-SWD)
GND(A)
+9V(A)
GND(D)
+5V(D)
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
IN82
AGND8 
IN81
IN72
IN71
IN62
OUT2
BBNF1 
OUT1
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
AGND3
 
AGND7
 
TNF2
VIN1
IN22
IN  DSPSR
IN2MIX
IN31
25
24
23
22
8 
7 
14
11
12
15
6 
10
3 
1 
5 
4 
2 
13
9 
19
16
17
21
18
20
1 2 
4 
3 
5 6 
8 
7 
9 
TO DSP SECTION
TO DSP SECTION
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Download Sharp SD-AT50H (serv.man11) Service Manual (Repair Manual)

Here you can read online and download Sharp SD-AT50H (serv.man11) Service Manual in PDF. SD-AT50H (serv.man11) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp SD-AT50H (serv.man11) Home Theatre. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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