Sharp XL-3000V Service Manual page 51

Video cd compact audio system
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IC701 RH-iX0038SJZZ: System Microcomputer/FL driver (IX0038SJ) (2/2)
Terminal Name Input/Output
Pin No.
54
SEG46 P63/A3
55
SEG45 P64/A4
56
SEG44 P65/A5
57
SEG43 P66/A6
58*
SEG42 P67/A7
59*
SEG41 P70/A8
60
SEG40 P71/A9
61*-64*
SEG39 P72/A10- Input/Output
SEG36 P75/A13
65*
SEG35 P76/A14
66*
SEG34 P77/A15
67
SEG33 P87/D7
68
SEG32 P86/D6
69-74
SEG31 P85/D5-
SEG26 P80/D0
75-100
SEG25-SEG0
IC701 RH-iX0038SJZZ: System Microcomputer/FL driver (IX0038SJ)
COM3
1
O
COM2
O
2
COM1
O
3
COM0
4
O
VLC3
5
VLC2
6
VLC1
7
VDD
8
OSC2
9
O
OSC1
10
I
VSS
11
XI
I
12
XO
13
O
MMOD
14
I
VREF–
15
CLID_SW
I
16
KEY1
I
17
KEY2
18
I
MODEL
19
I
CLID_PRO
I
20
MOT_DEC
I
21
NC
I
22
NC
23
I
VREF+
24
DI
O
25
Output
LED dimmer signal.
Output
Fan control signal.
Output
Electric CD lid OPEN.
Output
Electric CD lid CLOSE.
Input
Output
Output
ON/OFF output terminal of CD servo control IC. "H" = Servo ON "L" = Servo stand-by
Data input/output terminal control.
Output
Data synchronous clock output.
Output
Chip enable terminal. "L" = BUS terminal active
Output
LCD segment output.
Output
LCD segment output.
Output
LCD segment output.
Output
LCD segment output.
Figure 51 BLOCK DIAGRAM OF IC
Function
– 51 –
XL-3000V
S
75
SEG25
S
74
SEG26
S
73
SEG27
S
72
SEG28
S
71
SEG29
S
70
SEG30
S
69
SEG31
S
68
SEG32
S
67
SEG33
O
66
NC
O
65
NC
I/O
64
NC
I/O
63
NC
I/O
62
NC
I/O
61
NC
O
60
CD_STB
O
59
CD_RES
I
58
PU-IN
O
57
CLID_DW
O
56
CLID_UP
O
55
FAN
O
54
DIMMER
O
53
LIGHT
52
AMP_DEC
O
51
B-LIGHT

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