Cd (Motor/ Sensor) Section - Sony HCD-MD515 - Component For Dhcmd515 Service Manual

• SUB BOARD IC600 µPD784215GF-501-3BA (CD MECHANISM CONTROLLER)
Pin No. Pin Name I/O
1, 2 O
3 LEDLAT O
4 DRVCS O
5 OE O
6 WE O
7 DRVRST O
8 O
9 VDD –
10 BDRST O
11 BDPWR O
12, 13 O
14 LDOUT O
15 LDIN O
16 STKDWN O
17 STKUP O
18 OUTSW I
19 INSW I
20 STKSW I
21 MIDSW I
22 TEST I
23 INITSW I
24 COUNTSW I
25 PANEL SW I
26 I
27 ADJ I
28 AMUTE O
29 DATA O
30 CLK O
31 XLT O
32 BUSCLK I
BUSD0 to
33 to 36 I/O
BUSD3
37 VDD –
38 X2 O
39 X1 I
40 VSS –
41 XT2 O
42 XT1 I
43 RESET I
44 BUSCLK O
45 BUSBSY I
46 SCOR I
47 DQSY I
48 O
49, 50 JOG0, JOG1 I
51 AVDD –
Not used (open)
Serial latch pulse output terminal to LED driver Not used (open)
Chip select signal output terminal to display
Enable signal output terminal to the S-RAM (IC601)
Writing enable signal output terminal to the S-RAM (IC601)
Reset signal output terminal to display Not used (open)
Not used (open)
Power supply terminal (+5V)
Reset signal output terminal to CD section "L": reset
Power ON/OFF control signal output terminal to main power (+5V) of CD section
Not used (open)
Motor control signal output terminal to the CD loading motor (M502) *1
Motor control signal output terminal to the CD loading motor (M502) *1
Motor control signal output terminal to the CD elevator UP/DOWN motor (M501) *2
Motor control signal output terminal to the CD elevator UP/DOWN motor (M501) *2
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 STOCKER switch (SW501) "L": sub tray set into the stocker
Detection input from the MID switch (SW504) "L": sub tray move between tray and stocker
Input terminal for test (fixed at "L")
Detection input from the INIT switch (SW502) "L": tray set down to play position
Detection input from the COUNT switch (SW503)
"L": elevator up (or down) each sub tray stock position
Detection input from the CD tray door open/close detect switch (S790) "L": open , "H": close
Not used (fixed at "L")
Input terminal for test mode setting of CD section (usually fixed at "H")
Analog mute control signal output terminal Not used (open)
Serial data output terminal to the CXD2519Q (IC103) in CD section
Clock signal output terminal to the CXD2519Q (IC103) in CD section
Serial latch pulse signal output terminal to the CXD2519Q (IC103) in CD section
Clock signal input terminal from the system controller (IC400) and master controller (IC500)
Two way data bus to the system controller (IC400) and master controller (IC500)
Power supply terminal (+5V)
Main system clock output terminal (12.5MHz)
Main system clock input terminal (12.5MHz)
Ground terminal
Sub system clock output terminal Not used (open)
Sub system clock input terminal Not used (fixed at "L")
Reset signal input terminal "L": reset This set uses voltage down detection signal
Clock signal output terminal to the system controller (IC400) and master controller (IC500)
Busy signal input terminal from the master controller (IC500)
Subcode sync (S0+S1) detection signal input terminal from CXD2519Q (IC103) in CD section
Data read standby signal input terminal from the CD text decoder (IC104)
Not used (open)
JOG dial pulse input terminal Not used (fixed at "L")
Power supply terminal (+5V) (for A/D converter section, analog system)
– 101 –
Function
Not used (open)
"L": active
"L": active
"L": power ON