Sharp HT-CN300 - Page 12

HT-CN300
– 12 –
Figure 12 BLOCK DIAGRAM (3/4)
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
20
19
18
17
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
VCC
O0
O1
O2
O3
O4
O5
O6
O7
CK
IC702
TVHC574T
LATCH
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
20
19
18
17
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
VCC
O0
O1
O2
O3
O4
O5
O6
O7
CK
IC701
TVHC574T
LATCH
1
2
3
4
5
6
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
2120
19
18
17
A14
A17
VCC
VPP
A16
A15
OE
O6
O5
O4
O3
GND
O2
O1
O0
A0
A1
A2
A3
A4
A5
A6
A7
A12
A13
A8
A9
A11
O7
CE
A10
IC703
MX27L212
EPROM
39
8
9
10
11
14
15
16
17
4
3
44
43
42
41
40
21
22
25
26
27
28
D7
D6
D5
D4
D3
D2
D1
D0
IC706
CS493292
DSP
RD
XMT958
MCLK
SCLK
LRCLK
AUDAT0
AUDAT1
CS SCDOUT INTREQ
EXTMEM
SDATAN1
SCLKN1
LRCLKN1
SDATAN2
RESET
SCLKN22
AUDAT2
3
GND
3Y
1A
VCC
1Y 3A
IC707
TC7WU04U
DUAL2-INPUT
NAND GATE
IC704
74HC07AF
BUFFER AMP.
2
37
RX4
SDTI3
SDA/CDTI
XTI/EXTCL
K
MCKO
LRCK
BICK
STDO
SDTI1
SDTI2
SCDIN
15
81
82F_SP_RLY
C_SP_RLY
80
79
S_SP_RLY
W_SP_RLY
29
30
XL1
8.38 MHz
13
XL1
12.288 MHz
SDATAN1
30
VCC
GND
8
4
+B5A
IC710
IX0489A
SYSTEM
MICROCOMPUTER
FROM
DISPLAY SECTION
+B4A
+5V
+3V3
FLD_SDATA
FLD_SCK
FLD_CS
FLD_RESET
RXIN
DD_LED
STD_LED DTS_LED
VIR_LED
AAC_LED
DPL_LED
POWER
S_MUTE
ROM
DSP_RESET DSP_CS DSP_SCLK DSP_SCOUT DSP_SCDIN
SCL
SDA
DSP_UC15
DSP_UC16
DSP_UC17
8
7
9
10
11
12
11
1
352
123
24
DGND1 DGND3
AGND
DGND2 VD1 VD3 VD2
13
12
13
12
11
109
8
1
2
3
45
6
36 18 19 20
6
1
6
7
GND
3Y1A
VCC
IC721
TC7WU04U
INVERTER
1
2
GND
1Y
1I0
VCC
6
5
IC722
TC74153
MULTIPLEXER
7
1I1
7
14
S0
167
14
7
47
45
48
65
39 38 37 36 35
1
2
3
VCC
GND
VOUT
IC709
GP1F32R
DIGITAL IN
CON707
2341 202223 25262724 78
72
Q
Q
Q
+B3A
+B5A
+B4A
Q
+B7A
+B5A
+3V3
16
+B5B
+2V5
+B5
+3V3
+B5
+3V3
+3V3
+8V
+3V3
+5V
SWITCHING
SWITCHING
SPDIF COAX IN