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12
CFD-E10
4-1. IC Pin Function Description
• IC801 BU24591-7B System Control (CD Board)
Pin No.
1 to 5
6 to 12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56 to 58
59
60
61 to 64
Pin Name
SEG00 to SEG04
SEG05 to SEG11
FOK CON
SEG13
SEG14
XRESET
NC
NC
GSW
AMUTE
ZSENS
YMDATA
YMCLK
NC
MOTOR MUTE
GFS TM
TEST
DEF MODE
ADJSEL
YMLD
XRESET
SLED
SENSE
BUSY
2SPD
MMUTE
ESP
RW
SUB-Q
COMMAND
MCK
SUBSYQ
LID
INNER
HOLD
PLAY/PAUSE
RESET
GND
OSC1
OSC2
VDD
GFS
FOK
T UP
F UP
NC
KEY0
TEST
COM0 to COM3
I/O
O
O
O
O
O
O
O
O
O
O
I
O
O
—
O
I
I
I
I
O
O
I
I
I
O
O
—
O
I
O
O
I
I
I
I
I
I
—
I
O
—
I
I
I
I
I
I
I
O
Description
Segment drive signal output to the liquid crystal display
Segment drive signal output to the liquid crystal display Not used (open)
FOK control signal output (for all discs)
FOK control signal output (for CD-RW disc) Not used (open)
Motor/coil driver muting signal output Not used (open)
Reset signal output to the DSP (IC703) and RAM CONT (IC704)
Not used (open)
Not used (open)
Gain control signal output to the RF amplifier (IC701) and the switches for CD-RW disc
Audio muting control signal output “H” : muting on
ZSENS signal input from the RAM CONT (IC704)
Data output to the RAM CONT (IC704)
Clock output to the RAM CONT (IC704)
Not used (open)
Motor/coil driver muting signal output “H” : muting on
GFS detect time setting terminal “H” : 300ms, “L” : 30ms
Test key terminal
Focus servo mode signal input at defect “Open “ : gain down, “Ground” : hold
Automatic adjustment setting terminal “Open” : automatic adjustment on, “Ground” : automatic adjustment off
YMLD signal output to the RAM CONT (IC704)
Reset signal output to the RAM CONT (IC704)
Sled mode setting terminal “H” : normal mode, “L” : intermittent mode (fixed at “H”)
SENSE signal input from the DSP (IC703)
BUSYsignal input from the DSP (IC703)
Normal/double speed selection signal output “L” : double speed
Motor/coil driver muting signal output “H” : muting on
Not used (open)
Data send/receive control signal output to the DSP “H” : receive data from the DSP, “L” : send data to the DSP
SUB-Q signal input from the DSP (IC703)
COMMAND signal output to the DSP (IC703)
Bit clock for SUB-Q and COMMAND output to the DSP (IC703)
Sub-code sync signal input from the DSP (IC703)
CD lid open/close detection switch signal input “H” : open
Mechanism inner limit switch signal input “L” : on
Hold switch signal input
Key input from the S801 (u ) “L” : on
CPU reset signal input “L” : reset
Ground
CPU clock input (4.23MHz)
CPU clock output Not used (open)
Power supply
GFS signal input from the DSP (IC703)
Focus OK signal input from the RF amplifier (IC701)
Tracking gain up setting terminal “H” : normal, “L” : gain up (fixed at “H”)
Focus gain up setting terminal “H” : normal, “L” : gain up (fixed at “H”)
Not used (fixed at “H”)
Key input from the S802 to S805 (x, PLAY MODE, >, .)
IC test terminal Not used (open)
Common drive signal output to the liquid crystal display
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