Sony HCD-BC150 Service Manual page 138

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