66
HCD-BC150/BC250
• MAIN BOARD IC509 uPD703261YGF-S07-JBT-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
IP SEL
O
Interless/Progressive
2
MTRST
O
Mediatech DVD uCOM reset
3
AVREF0
—
Analog reference voltage for A/D converter
4
AVSS
—
Analog ground
5
V CONTROL
O
Voltage control for amp
6
AC_ON/OFF
O
Control Relay for power tracnsformer
7
AVREF1
—
Analog reference voltage for D/A converter
8
DVD XIFCS
I
Media tech chip select
9
XIFBUSY
O
Media tech busy
10
FLASH0
I
Flash programing mode (pull down)
11
VDD
—
Power supply
12
REGC
—
Regulator control-connect 4.7uF
13
VSS
—
Ground
14
X1
I
Crystal input for main cock
15
X2
—
Crystal output for main clock
16
RESET
I
System reset signal input
17
XT1
I
Crystal for sub clock
18
XT2
—
Crystal for sub clock
19
DVD POWER
O
DVD power on/off
20
KEY INT
I
Wakeup from ECO mode by key input
21
RM_INT
I
Wakeup from ECO mode by sircs input
22
(Can’t USE)
I
Can’t Use Port
23
AC_CUT
I
Detect AC-CUT (primary power off)
24
DVD SOD
I
Media tech
25
DVD SIO
O
Media tech
26
DVD SCO
I
Media tech clock
∗
input from DVD micon
27
FL_D_OUT/LED_DATA
O
FL driver (PT6315) / LED Driver data out
28
LED LAT
O
LED driver latch
29
FL_CLK/LED_CLK
O
FL driver (PT6315) / LED driver clock
30
FL_CS/STB
O
FL driver (PT6315) chip select
31
LED_RESET
O
LED driver reset
32
BACK LIGHT
O
Back light output
33
STBY_LED
O
Standby LED control
34
SIRCS_IN
I
Sircs input
35
EVSS
—
Ground for port
36
EVDD
—
Power supply for Port
37
USE NO
I/O
IIC data (Not used)
38
USE NO
I/O
IIC clock (Not used)
39
DRIVE_RST(EN)
O
Driver signal reset
40
DRIVE_OCP(DIAG)
I
Digital amp (power driver) diag
41
OVERFLOW1
I
Over flow status1 of amp
42
OVERFLOW2
I
Over flow status2 of amp
43
DAMP SCDT
O
Digital amp (CXD9788) data output
44
DAMP SHIFT
O
Digital amp (CXD9788) data output
45
DAMP LATCH1
O
Digital amp (CXD9788) chip select1 signal output
46
DAMP LATCH2
O
Digital amp (CXD9788) chip select2 signal output
47
DAMP LATCH3
O
Digital amp (CXD9788) chip select3 signal output
Содержание HCD-BC150 - Dvd Home Theater System
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