Sony SCD-XE800, Service Manual

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SCD-XE800
30
• IC Pin Function Description
MAIN BOARD IC501 R5F364A6DFA (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1, 2 No Use O Not used
3 No Use I CEC serial data input from the HDMI OUT connector Fixed at “H” in this set
4 SIRCS_IN I SIRCS signal input from the remote control receiver
5 to 7 No Use O Not used
8 BYTE I External data bus width selection signal input terminal Fixed at “L” in this set
9 CNVSS I Processor mode switch input terminal
10 EN_A I Jog dial pulse input from the rotary encoder (A phase input)
11 EN_B I Jog dial pulse input from the rotary encoder (B phase input)
12 RESET I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
13 Xout O Main system clock output terminal (5 MHz)
14 Vss - Ground terminal
15 Xin I Main system clock input terminal (5 MHz)
16 Vcc1 - Power supply terminal (+3.3V)
17 NMI I Non-maskable interrupt input terminal Fixed at “H” in this set
18 No Use O Not used
19 ASDMUTE I AC detection signal input terminal
20 AC_CUT I AC cut detection signal input terminal “L”: AC cut on
21 FL_CLK/LED_CLK O Serial data transfer clock signal output to the fl uorescent indicator tube driver
22 No Use O CEC serial data output to the HDMI OUT connector Not used
23 FL_STB O Chip select signal output to the fl uorescent indicator tube driver
24 FL_D_OUT/LED_DATA O Serial data output to the fl uorescent indicator tube driver
25 No Use O Not used
26 TROPENPWM O Tray speed PWM control signal output terminal Not used
27 CDM_OPEN_SW I Disc tray open/close detection switch input terminal “L”: disc tray is closed
28 DAC_CLK O Serial data transfer clock signal output to the D/A converter
29 No Use I Not used
30 DAC_DATA O Serial data output to the D/A converter
31 DVD_SID O Serial data output to the servo DSP
32 DVD_SOD I Serial data input from the servo DSP
33 DVD_SCO I Serial data transfer clock signal input from the servo DSP
34 DVD_XIFBUSY O Busy signal output to the servo DSP
35 FWD O Loading motor drive signal output terminal (forward direction)
36 REV O Loading motor drive signal output terminal (reverse direction)
37 DVD_XIFCS I Chip select signal input from the servo DSP
38 MTK RST O Reset signal output to the servo DSP and fl ash memory “L”: reset
39 P_CONT1 O Power on/off control signal output terminal “H”: power on
40 P_CONT2 O Power on/off control signal output terminal Not used
41 P_CONT0 O Power on/off control signal output terminal “H”: power on
42 No Use O Not used
43 STT_D/P I DSD/PCM signal input from the servo DSP
44 STT_M2 I Multi/2ch signal input from the servo DSP Not used
45 DMUTE I Audio muting signal input from the servo DSP
46 No Use I Not used
47 I2C_DATA I/O I2C Two-way data bus terminal Not used
48 I2C_CLK I I2C data transfer clock signal input terminal Not used
49, 50 No Use O Not used
51 No Use O Not used
52 MULTI/STEREO O Fixed at “L” in this set
53 XAMUTE O Muting on/off control signal output terminal “L”: muting on
54 No Use O Not used
55 XDOUT_EN I Digital out (CD) on/off signal input terminal “L”: Digital out (CD) on Fixed at “L” in this set
56 MULTI_PRIO I HDMI priority selection signal input terminal Not used
57 to 61 No Use O Not used
62 Vcc2 - Power supply terminal (+3.3V)
63 No Use O Not used
64 Vss - Ground terminal