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58
Pin No.
Pin Name
I/O
Function
• IC502 MPEG DECODER, MECHANISM CONTROL (M30620MC-A17FP) (VIDEO Board (1/3))
1
SENSE
I
Internal state (SENSE) monitor input (IC101)
2
SENSE CLK
O
Serial data reading clock output (IC101)
3
DSP DATA
O
Serial data output (IC101)
4
DSP LATCH
O
Lach output (IC101)
5
DSP CLK
O
Serial data clock output (IC101)
6
TSENS
I
Not used
7
REMOTE IN
I
Not used
8
BYTE
I
External bus width change input (Connected to ground)
9
VSS
–
Ground
10
DSP MUTE
O
Mute output (IC101) “H” : mute
11
CTRL1 (L : DOUBLE)
O
Double change output (IC101) “L” : double
12
XRESET
I
System reset input “L” : reset
13
XOUT
O
Main clock output (10MHz)
14
VSS
–
Ground
15
XIN
I
Main clock input (10MHz)
16
VCC
–
+5V power supply
17
NMI
I
Requests mask disable interruption input (Connected to +5V)
18
SCOR
I
Subcode sync input (IC101)
19
D SENS
I
Not used
20
CL680 INT
I
Video CD interruption input (IC505)
21
CL680 HSEL
O
Video CD select data of the host MPU (IC505)
22
DF LATCH
O
Digital filter latch output (IC509)
23
CL680 HRDY
I
Ready signal input for communication to the host MPU (IC505)
24
680 RESET
O
Video CD reset output (IC505) “L” : reset
25
JOG1
I
Not used
26
JOG2
I
Not used
27
CTRL2
O
Double control output (IC101) “H” : double
28
LD ON
O
Laser diode ON/OFF output
29
IIC1
I/O
IIC clock input from master control
30
IIC0
I/O
IIC data input from master control
31
DATA1O
O
Serial 1 data output (IC505, 509)
32
DATA1I
I
Serial 1 data input (IC505, 509)
33
CLK1
O
Serial 1 clock output
34
SHARPNESS
O
Sharpness output L : normal, H : sharpness
35
XVLEVEL. DOWN
O
Fix the video signal output level output
36
SUBQ DATA
I
Serial 2 data input for subcode sync reading
37
SUBQ CLK
I
Serial 2 clock input for subcode sync reading
38
P. ON
I
Not used
39
BUS XRDY
I
Not used
40
BUS
I
Not used
41
BUS XHOLD
I
Not used
42, 43
BUS
I
Not used
44
BUS XRD
I
Model selection input “L” : chinese model, “H” : except chinese model
45
BUS
I
V sync signal input
Summary of Contents for HCD-LV80
Page 30: ...HCD LV80 30 30 7 5 SCHEMATIC DIAGRAM DECK SECTION See page 54 for IC Block Diagrams Page 38 ...
Page 31: ...HCD LV80 31 31 7 6 PRINTED WIRING BOARD DECK SECTION See page 19 for Circuit Boards Location ...
Page 39: ...HCD LV80 39 39 7 14 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 36 for Printed Wiring Board ...
Page 41: ...HCD LV80 41 41 7 16 SCHEMATIC DIAGRAM POWER SECTION ...
Page 45: ...HCD LV80 45 45 7 20 SCHEMATIC DIAGRAM PANEL VR SECTION See page 55 for IC Block Diagrams ...
Page 47: ...HCD LV80 47 47 7 22 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Page 51: ...HCD LV80 51 51 7 26 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 38 ...
Page 52: ...HCD LV80 52 52 7 27 SCHEMATIC DIAGRAM TRANS SECTION ...