Sharp SD-AT100H Service Manual page 78

SD-AT100H
A
PROTECT
B
22
DSP_SCCLK
23
DSP_ABOOT
24
DSP_INTREQ
25
DSP_SCDOUT
26
DSP_SCDIN
27
DSP_CS
28
ROM
29
W_SP_RLY
30
DSP_RESET
31
DSP_UC15
32
DSP_UC16
33
DSP_UC17
34
C
SDA
35
SCL
36
SPDIF
9
D_GND(3)
16
DIG_FUNC +B
37
C190
10/16
1
C192
2
0.022
3
D
+B
2
C193
+B
10/16
+B
1
R198
R199
2
470
C194
3
0.022
D103
KDS160
E
CHASSIS
D104
KDS160
F
G
DSP PWB-C (1/2)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 96.
1
FM SIGNAL
_DSP_SCDOUT
VCC
1 14
2 13
3 12
_DSP_SCDIN
4 11
_DSP_INTREQ
10
5
_DSP_CS
9
6
_DSP_SCCLK
8
7 GND
IC101
74HC07AF
BUFFER AMP.
C101
0.1
+B
C106
0.1
R104
47K
3
+B
Q101
1 KRA107 S
R105
47K
150
C108
R213
47P(CH)
+B
R106
10K
C195
0.1
C102
C107
10/16
1
XTO
0.1
XTI/EXTCLK
2
+B
EX_CLK
DVDD
3
DVSS
4
C103
TVDD
+B 5
0.1
TX
6
MCLK
MCKO
7
LRCK
LRCK
C104 8
0.1 SCLK
BICK
9
SDATA1
SDTO
10
AUDATA0
SDTI1
11
C105
10/16
+B
2
Figure 78 SCHEMATIC DIAGRAM (7/23)
+B
+B
C109
10/16
+B
C110
0.022
R114 4.7K
R115 10K
R116 10K
R117 10K
R118 10K
R119
10K
R120 10K
R121 10K
R122
10K
+B
C117
100
0.001(CH)
+B
+B
+B
C112
R123
10/16
4.7
C113
0.1
44 43 42 41 40 39 38 37 36 35 34
RIN
33
LIN
32
ROUT1
31
LOUT1
30
IC102 ROUT2
29
AK4586VQ
LOUT2
28
ADC/DAC/DIR
ROUT3
27
CONVERTER
LOUT3
26
DZF1
25
VCOM
24
VREFH
23
12 13 14 15 16 17 18 19 20 21 22
R111
4.7 +B
C115
0.1
C114
10/16
3 4
– 78 –
D_+2.5V
+B
+B
R195
4.7K
C159
0.1
_DSP_SCDIN
6 5 4 3 2 1 44 43 42 41 40
_DSP_SCCLK
7
EMAD7
D7
8
7 SCCLK
EMAD6
D6
9
39
AUDATA2
EMAD5
D5
10
IC105
EMAD4
D4
11 CS493292
VD2 DSP
12
DGND2
13
28
SCLKN2
EMAD3
D3
14
LRCLKN2
29
EMAD2
D2
15
EMAD1
D1
16
EMAD0
D0
17
18 19 20 21 22 23 24 25 26 27 28
R196
R128
4.7K
10K
+B
+B
C122
1
C123
0.1
C176
R172
10/16
220
R173
C175 C178
220
10/16
0.015
R175
C177
27K
0.015
R174
27K
C127
0.022
R186
100K
C185
47P(CH)
C187
0.01
R181
220
R185
18K
R188
6.8K
C180 C182
0.015
10/16
R178
220
C179 C184
10/16
10/16
5
D101
KDS160
R190
1K
+B
R191
D102
1K
KDS160
C125
0.1
+B
R137
330
39
C129
DC 38
1
DD 37
DSP_RESET
C130
36
RESET
0.1
35
AGND
34
VA
33
FILT1
32
FILT2
31
CLKSEL
C120
30
CLKIN
0.1
29
C134
0.01
3
1 Q102
KRC107 S
2
3 Q103
KRA107 S
1
2
-B
+B
R143
IC106
Q104
100K
3
KRC107 S
NJM4580M
1
OPE AMP.
2
C202
VSS
4 5
100P(CH)
3 6
C200
2 7
100P
1 VDD 8
(CH)
R202
27K
R187 C189
R204
100 10/16
1.2K
R189
100K
R206
ZD
C186
100K
UDZS
0.015
R182
220
R179
220
6