Sony HCD-MD515 - Component For Dhcmd515, Service Manual, Page: 65 / 110

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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
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