Sony HCD-HDX285 Service Manual page 70

HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
• IC Pin Function Description
MAIN BOARD IC503 R5F3640DDFAR (SYSTEM CONTROLLER)
Pin No. Pin Name
1 DAMP_SCDT
2 DAMP_SHIFT
3 FL_CS
4 SIRCS_IN
5 FL_DATA/LED_DATA
6 CEC_RX_IN
7 FL_CLK/LED_CLK
8 BYTE
9 CNVSS
10 DIR_ERROR
11 DIR_RST
12 RESET
13 Xout
14 Vss
15 Xin
16 Vcc
17 DIR_XSTATE
18 DIR_ZERO
19 DIR_CSFLAG
20 AC_CUT
21 DSP_SF_CE
22 DSP_MISO
23 DSP_SPICLK
24 DSP_MOSI
25 DSP_SPIDS
26 CEC_TX_IN
27 DSP_RESET
28 LED_PWM
29 E2P_CLK/S-AIR_CLK
30 E2P_SDA/S-AIR_SDA
31 TXD1
32 RXD1
33 S-AIR_GPIO2/CLK1
34 S-AIR_DET/RTS1
35 DMP_TX_OUT
36 DMP_RX_IN
37 S-AIR_RST
38 S-AIR_ADC_SEL
39 P_CONT1
40 P_CONT2
41 P_CONT3
42 DC_CONT
43 MIC_GAIN
44 CDM_OPEN_SW
70
I/O
O Serial data output to the stream processor
O Serial data transfer clock signal output to the stream processor
O Chip select signal output to the fl uorescent indicator tube driver
I SIRCS signal input from the remote control receiver
O Serial data output to the fl uorescent indicator tube driver and LED driver
I CEC data input from the HDMI OUT connector
O Serial data transfer clock signal output to the fl uorescent indicator tube driver and LED driver
I External data bus width selection signal input terminal
I Processor mode switch input terminal
I PLL lock error signal and input data error detection signal input terminal
O Reset signal output terminal
System reset signal input from the reset signal generator
I
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
O Main system clock output terminal (5 MHz)
- Ground terminal
I Main system clock input terminal (5 MHz)
- Power supply terminal (+3.3V)
Clock change status detection signal input from the digital audio interface receiver
I
"L": change Not used
I Zero data detection signal input from the digital audio interface receiver
Channel change status detection signal input from the digital audio interface receiver
I
"H": change Not used
I AC cut detection signal input terminal
O Chip enable signal output terminal
I Serial data input terminal
O Serial data transfer clock signal output terminal
O Serial data output terminal
O Device selection signal output terminal
O CEC data output to the HDMI OUT connector
O Reset signal output terminal
O LED drive signal output terminal
Serial data transfer clock signal output to the EEPROM and two-way clock bus with the wire-
I/O
less transceiver
I/O Two-way data bus with the EEPROM and wireless transceiver
O Transmission data for fl ash writing output terminal
I Receive data for fl ash writing input terminal
Interrupt signal input from the wireless transceiver
I
Request to send signal for fl ash writing input terminal
Wireless transceiver detection signal input terminal
I
Clock signal for fl ash writing input terminal
O Serial data output to the DMPORT connector
I Serial data input from the DMPORT connector
Reset signal output to the wireless transceiver
O Reset signal output to the wireless transceiver and sample rate converter
(HCD-HDX287WC/HDX587WC/HDX589W/HDX686W)
A/D converter selection signal output to the wireless transceiver
(HCD-HDX285/HDX585/HDX685)
O
Audio data selection signal output terminal
(HCD-HDX287WC/HDX587WC/HDX589W/HDX686W)
O Power supply on/off control signal output terminal
O Power supply on/off control signal output terminal
O Power supply on/off control signal output terminal
O Auto calibration microphone DC control signal output terminal
O Microphone gain control signal output terminal
I Disc tray open/close detection switch input terminal
Description
Fixed at "L" in this set
Not used
"L": AC cut on
Not used
Not used
Not used
Not used
Not used
Not used
Not used
"L": reset (HCD-HDX285/HDX585/HDX685)
"H": power on
Not used
"H": power on
Not used
Not used
"L": reset
Not used
"L": reset