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