Sony hcd-hdx501W Service Manual page 82

HCD-HDX500/HDX501W
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• IC Pin Function Description
MAIN BOARD IC501 M30626MHP-A70FPU0 (SYSTEM CONTROLLER) (HDX500)
IC501 M30626MHP-B27FPU0 (SYSTEM CONTROLLER) (HDX501W)
Pin No. Pin Name
DAMP_SCDT/
1 DIAT_SDATA/
DIR_DIN
DAMP_SHIFT/
2
DIAT_SCLK/
DIR_CLK
3 CEC_RX_IN
4 SIRCS_IN
5
DSP_MOSI
6 DSP_MISO
7
DSP_SPICLK
8 BYTE
9 CNVSS
10, 11
EN_A, EN_B
12 RESET
13 XOUT
14 VSS
15 XIN
TE
L 13942296513
16 VCC
17 NMI
18 DIR_ZERO
19 DIR_CSFLAG
20
AC_CUT
FL_CLK/
21
LED_CLK
22 CEC_TX_OUT
23 DIAT_CSOD
FL_D_OUT/
24
LED_DATA
25 NO USE
26 MIC_GAIN
27 CDM_OPEN_SW
28
DC_CONT
29 CLINK_RX_IN
30 CLINK_TX_OUT
31 DVD_SID
32 DVD_SOD
33 DVD_SCO
34 DVD_XIFBUSY
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35 SAT_TX_OUT
36 SAT_RX_IN
37 DVD XIFCS
.
38 MTK RST
P_CONT1 to
39 to 41
P_CONT3
82
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I/O
O Serial data output to the stream processor, DIR-TC1 slot and digital audio interface receiver
Serial data transfer clock signal output to the stream processor, DIR-TC1 slot and digital audio
O
interface receiver
I CEC serial data input from the HDMI OUT connector
I SIRCS signal input from the remote control receiver
O Serial data output to the DSP
I Serial data input from the DSP
O Serial data transfer clock signal output to the DSP
I External data bus width selection signal input terminal Fixed at "L" in this set
I Processor mode switch input terminal (for test) Fixed at "L" in this set
I Jog dial pulse input from the rotary encoder (for VOLUME)
System reset signal input from the reset signal generator "L": reset
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)
I Non-maskable interrupt input terminal Fixed at "H" in this set
I Audio serial data input from the digital audio interface receiver
I CSFLAG data input from the digital audio interface receiver
I
AC cut detection signal input terminal "L": AC cut on
O
Serial data transfer clock signal output to the LED driver and fluorescent indicator tube driver
O CEC serial data output to the HDMI OUT connector
I Captor start delay signal input from the DIR-TC1 slot
O Serial data output to the LED driver and fluorescent indicator tube driver
O Not used
O MIC gain control signal output terminal
I Disc insert (8/12cm) detect switch input terminal "L": disc insert
O
Muting on/off control signal output terminal
I
Serial data input from the DMPORT1 connector and DMPORT2 connector
O Serial data output to the DMPORT1 connector and DMPORT2 connector
O Serial data output to the servo DSP
I Serial data input from the servo DSP
I Serial data transfer clock signal input from the servo DSP
O Busy signal output to the servo DSP
O Serial data output to the XM receiver
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Serial data input from the XM receiver
y
I Chip select signal input from the servo DSP
i
O
Reset signal output to the servo DSP and flash memory "L": reset
O Power on/off control signal output terminal "H": power on
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2 9
8
Description
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