Sony HCD-HDX265 Service Manual page 77

IC Pin Function Description
MAIN BOARD IC501 M30622MGP-A58FPU0 (SYSTEM CONTROLLER)
Pin No. Pin Name
DAMP_SCDT/
1
DIAT_SDATA
DAMP_SHIFT/
2
DIAT_SCLK
3 CEC_RX_IN
4 SIRCS_IN
5 to 7 NO USE
8
BYTE
9 CNVSS
10, 11
EN_A, EN_B
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18
NO USE
A.CAL_OUT_
19
LEVEL
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
35, 36 NO USE
37 DVD XIFCS
38 MTK RST
P_CONT1 to
39 to 41
P_CONT3
DRIVE_RST
42
(EN)
DRIVE_OCP
43
(DIAG)
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
I/O
O Serial data output to the stream processor, DIR-TC1 slot
O Serial data transfer clock signal output to the stream processor, DIR-TC1 slot
I CEC serial data input from the HDMI OUT connector
I SIRCS signal input from the remote control receiver
O Not used
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
O Not used
I Output level detect terminal for the auto calibration
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 DMPORT connector
O Serial data output to the DMPORT 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 Not used
I Chip select signal input from the servo DSP
O
Reset signal output to the servo DSP and flash memory "L": reset
O Power on/off control signal output terminal "H": power on
O
Reset signal output to the digital power amplifier "L": reset
I
Shut down state input from the digital power amplifier "L": shut down
Description
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