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3 7 63 1515 0
4-15. IC PIN DESCRIPTION
• IC801 MB90574APMT-G-198-BND (SYSTEM CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9 – 11
12
FLS SI/NOSE1
13
LCD SO/FLS SO
14
15
16
17
18
19
20
21
22
23
24
TE
L 13942296513
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46 – 48
KEY IN0 – 2
49
www
50
51
52
.
53
54
55
http://www.xiaoyu163.com
Pin Name
I/O
LD ON
O
Laser ON/OFF control output
FOK
I
Focus OK signal detection input
XLAT25
O
CD signal processing latch output
DATA25
O
CD signal serial data output
XRST
O
Reset output to CD signal processor IC.
GFS
I
GFS signal detection input
NIL
—
Not used. (Connect to ground in this set.)
VCC
—
Power supply pin (+5 V)
NIL
—
Not used. (Open)
I
Front panel attachment detection input
O
LCD serial data output
LCD CKO
O
LCD serial clock output
BEEP
O
BEEP output
NIL
—
Not used. (Open)
SQ SI
I
Sub Q data input
NIL
—
Not used. (Connect to ground in this set.)
SQ CKO
O
Sub Q read clock output
UNI SI
I
BUS system serial interface input
UNI SO
O
BUS system serial interface output
UNI CK
I/O
BUS system serial clock input/output
C IN
I
Track jump No. count input
SIRCS
I
Remote commander input
TXT SI
I
CD-TEXT data input
NIL
—
Not used. (Connect to ground in this set.)
TXT CKO
O
CD-TEXT data read clock output
CLOK25
O
CD signal processing serial clock output
SYSRST
O
System reset output
DEEMPH
O
De-emphasis output
AMP ATT
O
Power amplifier attenuator control output
MD ON
O
CD mechanism power control output
VSS
—
Ground
C
—
Power stabilization capacitor pin
CD ON
O
CD power control output
BUS ON
O
BUS ON control output
NIL
O
Power control output of A/D conversion.
DVCC
—
VREF input of D/A converter.
DVSS
—
Ground of D/A converter.
NIL
—
Not used. (Open)
ANGLE
O
LCD view angle alignment output
AVCC
—
Analog power supply pin (+5 V)
AVRH
—
VREF + input of A/D converter.
AVRL
—
VREF – input of A/D converter.
AVSS
—
Analog ground
I
Key input 0 – 2
RC IN0
I
Rotary commander input 0
QUALITY
I
Noise detection input
x
ao
NIL
—
Not used. (Connect to ground in this set.)
y
MPDH
I
Tuner multi path input
i
S-METER
I
S-meter voltage detection input
VCC
—
Power supply pin (+5 V)
NS MASK
O
Noise detection output
http://www.xiaoyu163.com
8
Q Q
3
6 7
1 3
u163
.
– 55 –
2 9
9 4
2 8
Pin Description
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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