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• SUB BOARD IC600 µPD784215GF-501-3BA (CD MECHANISM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1, 2
O
Not used (open)
3
LEDLAT
O
Serial latch pulse output terminal to LED driver
Not used (open)
4
DRVCS
O
Chip select signal output terminal to display
Not used (open)
5
OE
O
Enable signal output terminal to the S-RAM (IC601)
“L”: active
6
WE
O
Writing enable signal output terminal to the S-RAM (IC601)
“L”: active
7
DRVRST
O
Reset signal output terminal to display
Not used (open)
8
O
Not used (open)
9
VDD
–
Power supply terminal (+5V)
10
BDRST
O
Reset signal output terminal to CD section
“L”: reset
11
BDPWR
O
Power ON/OFF control signal output terminal to main power (+5V) of CD section
“L”: power ON
12, 13
O
Not used (open)
14
LDOUT
O
Motor control signal output terminal to the CD loading motor (M502) *1
15
LDIN
O
Motor control signal output terminal to the CD loading motor (M502) *1
16
STKDWN
O
Motor control signal output terminal to the CD elevator UP/DOWN motor (M501) *2
17
STKUP
O
Motor control signal output terminal to the CD elevator UP/DOWN motor (M501) *2
18
OUTSW
I
19
INSW
I
20
STKSW
I
Detection input from the STOCKER switch (SW501)
“L”: sub tray set into the stocker
21
MIDSW
I
Detection input from the MID switch (SW504)
“L”: sub tray move between tray and stocker
22
TEST
I
Input terminal for test (fixed at “L”)
23
INITSW
I
Detection input from the INIT switch (SW502)
“L”: tray set down to play position
24
COUNTSW
I
25
PANEL SW
I
Detection input from the CD tray door open/close detect switch (S790)
“L”: open , “H”: close
26
I
Not used (fixed at “L”)
27
ADJ
I
Input terminal for test mode setting of CD section
(usually fixed at “H”)
28
AMUTE
O
Analog mute control signal output terminal
Not used (open)
29
DATA
O
Serial data output terminal to the CXD2519Q (IC103) in CD section
30
CLK
O
Clock signal output terminal to the CXD2519Q (IC103) in CD section
31
XLT
O
Serial latch pulse signal output terminal to the CXD2519Q (IC103) in CD section
32
BUSCLK
I
Clock signal input terminal from the system controller (IC400) and master controller (IC500)
33 to 36
I/O
Two way data bus to the system controller (IC400) and master controller (IC500)
37
VDD
–
Power supply terminal (+5V)
38
X2
O
Main system clock output terminal (12.5MHz)
39
X1
I
Main system clock input terminal (12.5MHz)
40
VSS
–
Ground terminal
41
XT2
O
Sub system clock output terminal
Not used (open)
42
XT1
I
Sub system clock input terminal
Not used (fixed at “L”)
43
RESET
I
Reset signal input terminal
“L”: reset
This set uses voltage down detection signal
44
BUSCLK
O
Clock signal output terminal to the system controller (IC400) and master controller (IC500)
45
BUSBSY
I
Busy signal input terminal from the master controller (IC500)
46
SCOR
I
Subcode sync (S0+S1) detection signal input terminal from CXD2519Q (IC103) in CD section
47
DQSY
I
Data read standby signal input terminal from the CD text decoder (IC104)
48
O
Not used (open)
49, 50
JOG0, JOG1
I
JOG dial pulse input terminal
Not used (fixed at “L”)
51
AVDD
–
Power supply terminal (+5V) (for A/D converter section, analog system)
Detection input from the tray OPEN/CLOSE detect switch (SW505)
“H”: tray is close, “L”: tray is open
Detection input from the tray OPEN/CLOSE detect switch (SW505)
“H”: tray is open, “L”: tray is close
Detection input from the COUNT switch (SW503)
“L”: elevator up (or down) each sub tray stock position
BUSD0 to
BUSD3
Summary of Contents for HCD-MD515 - Component For Dhcmd515
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