Sony HCD-HDX500 - Dvd/receiver Component For Home Theater System, Service Manual

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86
HCD-HDX500/HDX501W
Pin No.
Pin Name I/O Description
49
USB_VDD3 - Power supply terminal (+3.3V)
50
SPFG I Spindle motor hall sensor input from the motor driver
51
MSW
O
CD/DVD selection signal output terminal "L": CD, "H": DVD
52 CKSW I Chucking detection switch input terminal Not used
53
OCSW I Disc table open/close detection switch input terminal Not used
54
EEWP O Write protect signal output to the EEPROM
55 DVDD18 - Power supply terminal (+1.8V)
56 to 64
HA2 to HA8,
HA18, HA19
O Address signal output to the flash ROM
65
DVDD3 - Power supply terminal (+3.3V)
66 XWR O Write enable signal output to the flash ROM
67 to 75
HA16 to HA9,
HA20
O Address signal output to the flash ROM
76
XROMCS O Chip select signal output to the flash ROM
77
HA1 O Address signal output to the flash ROM
78
XRD O Read enable signal output to the flash ROM
79, 80
HD0, HD1 I/O Two-way data bus terminal with the flash ROM
81 DVSS - Ground terminal
82 to 86
HD2 to HD6 I/O Two-way data bus terminal with the flash ROM
87
HA21 O Address signal output to the flash ROM
88 RESERVED - Not used
89
HD7 I/O Two-way data bus terminal with the flash ROM
90
DVSS - Ground terminal
91, 92 HA17, HA0 O Address signal output to the flash ROM
93
DVDD18 - Power supply terminal (+1.8V)
94, 95
RESERVED - Not used
96 DVDD3 - Power supply terminal (+3.3V)
97
IFSDO O Serial data output to the system controller
98
IFCK O Serial data transfer clock signal output to the system controller
99 xIFCS O Chip select signal output to the system controller
100
IFSDI I Serial data input from the system controller
101
SCL O Serial data transfer clock signal output to the EEPROM and HDMI transmitter
102 SDA I/O Two-way data bus with the EEPROM and HDMI transmitter
103
HDMI_SCL O Serial data transfer clock signal output to the HDMI OUT connector
104
HDMI_SDA I/O Two-way data bus with the HDMI OUT connector
105 RXD I Receive data input terminal for UART communication when data writing to flash memory
106
TXD O Transmit data output terminal for UART communication when data writing to flash memory
107
ICE I ICE mode enable signal input terminal Not used
108 xSYSRST I Reset signal input from the system controller "L": reset
109
RESERVED - Not used
110
xTXINT O Interrupt request signal output terminal Not used
111 DQM0 O Data mask signal output to the SD-RAM
112
IFBSY I Busy signal input from the system controller
113 to 117
RD7 to RD3 I/O Two-way data bus with the SD-RAM
118
DVDD3 - Power supply terminal (+3.3V)
119 to 129
RD2 to RD0,
RD15 to RD8
I/O Two-way data bus with the SD-RAM
130
LIMITSW I Limit detection switch input terminal
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