Read Sony SCD-XE800 Service Manual online
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”
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
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