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5-1. BLOCK DIAGRAMS (7)
TO A BOARD
CN1901
IC9105
MAIN MICRO-CONTROLLER
CN9101
1
MID BUSY
11
AVLINK OUT
SWITCH
Q9100
90
AV LINK IN
79
23
15
14
3
VP 100
4
HP 100
15
3
EO
14
IC9110
MASTER RESET I.C.
CLOCK
2
1
6
/STR
MTX RES
7
DATA
DSD OFF
11
IC9500
TEXT BLANKING GENERATOR
13
1
SWITCH
Q9504,9503
12
2
4
5
IC9502
MEGATEXT I.C.
CVBS
VS
HS
R
G
GPO
RES
B
A20
B5
B17
B18
B9
B16
B12
B13
B14
AMPLIFIER
Q9500,9501,
9502
10
TCS
61
62
63
8
3
16
17
18
22
68
67
66
17
2
64
56
55
57
54
AD13
AD12
AD15
AD14
D(16)
D(15)
D(14)
D(13)
52
51
53
50
46
45
47
44
AD8
AD7
AD6
AD5
AD4
AD11
AD10
AD9
D(12)
D(11)
D(10)
D(6)
D(7)
D(8)
D(9)
D(5)
42
41
43
40
AD0
AD3
AD2
AD1
D(4)
D(3)
D(2)
D(1)
81
83
33
34
28
27
29
26
A17
A16
A19
A18
A(19)
A(18)
A(17)
A(16)
74
73
75
72
70
69
71
68
A12
A11
A10
A9
A8
A15
A14
A13
A(15)
A(14)
A(13)
A(9)
A(10)
A(11)
A(12)
A(8)
64
63
65
62
60
59
61
58
A4
A3
A2
A1
A0
A7
A6
A5
A(7)
A(6)
A(5)
A(1)
A(2)
A(3)
A(4)
A(0)
2
3
35
37
38
36
39
41
42
40
43
IC9109
PROGRAMMABLE O.T.P.
5
6
4
7
9
10
8
11
30
28
32
26
20
18
22
16
Q12
Q11
Q10
Q9
Q8
Q15A-1
Q14
Q13
29
27
31
25
19
17
21
15
Q4
Q3
Q2
Q1
Q0
Q7
Q6
Q5
12
14
5
9
8
2
3
4
28
10
IC9107
R.A.M.
A3
A8
A7
A6
A5
A4
A9
A14
A13
A12
A11
A10
A2
12
13
11
14
16
17
15
25
24
26
23
20
19
22
18
D4
D3
D2
D1
D0
D7
D6
D5
D(7)
D(6)
D(5)
D(1)
D(2)
D(3)
D(4)
D(0)
6
7
XOUT
XIN
X9500
20.480MHZ
1
6
27
/RST OUT
CLOCK
DATA
/STR
KEY2
A3
B6
B1
9
87
86
30
94
SCLO
DISABLE
SWITCH
Q9105
A4
AGC MONITOR
RESP LED
KEY2
TC INT
WP
SDA1
SDA0
CS/DISABLE
SCLO
SCL1
SWITCH
Q9110
7
6
SDA
SCL
WP
IC9108
SDAO
B7
5
10
95
99
2
12
6
7
XTAL2
XTAL1
X9101
16MHZ
KEY1
AGC MON
7
1
OUT2
+2
5
3
IC9100
KEY PAD DRIVER
OUT1
32
WDT CLK
31
8
7
PULSE
1
IC9104
ENABLE
6
RESET
A10
100
A2
B3
KEY1
RESP. LED
+1
WDT EN
PIN8
91
13
98
ST.BY
SIRCS
PIN8
93
92
AC ON.OFF
PROT
SIRCS
B4
A5
A12
A13
A14
ST BY
PROT
AC ON/OFF
78
RST IN
13
12
11
RES. AUDIO
RES. PICTURE
TC LED
AUDIO MUTE
B8
B10
A11
B20
RES. AUDIO
RESET 100
TC LED
AUDIO MUTE
VP 100
HP 100
9
6
10
8
B15
B11
TXT CLK
TXT BLK
VIDEO
TCS
TXT B
TXT G
TXT R
M3LEN
SCLK
MTSR
MRST
CS0
/WR
/RD
CS2
A(18)
A(17)
A(16)
A(15)
A(17)
A(16)
A(19)
A(18)
A(12)
A(11)
A(10)
A(9)
A(8)
A(15)
A(14)
A(13)
A(4)
A(3)
A(2)
A(1)
A(7)
A(6)
A(5)
E
CS0
G
/RD
D(15)
D(14)
D(13)
D(12)
D(11)
D(10)
D(6)
D(7)
D(8)
D(9)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
BLAN
CLK
A(14)
A(13)
A(9)
A(10)
A(11)
A(12)
A(8)
A(7)
A(6)
A(5)
A(1)
A(2)
A(3)
A(4)
A(0)
A(14)
A(13)
A(9)
A(10)
A(11)
A(12)
A(8)
A(7)
A(6)
A(5)
A(1)
A(2)
A(3)
A(4)
A(0)
A1
A0
RD
WR
CS
CS2
SWITCH
Q9106,9107
SWITCH
Q9108,9109
RST IN
MID BUSY
AV LINK
M
(
)
MICRO, TEXT
13
41
42
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