Sony DVP-CX777ES Service Manual page 126

DVP-CX777ES
• PANEL-L BOARD IC1003 µPD70F3259YGF-S05-JBT-A (INTERFACE CONTROLLER)
Pin No. Pin Name
1, 2
KEY1, KEY0
3 AVDD
4
AVSS
5, 6
NC
7
AVREF
8 JOG A
9
JOG B
10
FLMD0
11
VDD
12 REGC
13
VSS
14 X1
15 X2
16
RESET
17 X1
18 X2
19
NC
20 KEY_INT
21
232C_INT
22
DBUGRST
23
SYSCONCS
24 SYSCONSIN
25
SYSCONSOUT
26
SYSCONSCLK
27
232COUT
28 232CIN
29, 30
NC
31
SIRCS
32
CONTROL_S
33 SYSCONBUSY
34 SYSCONRST
35
EVSS
36
EVDD
37 to 54 NC
55
VIDEO_OFF
56
FLDSDATA
57
FLDSCLK
58 KBCIN
59
KBDIN
60
SIRCS-WAKE
61
FLDRST
62 FLDCS
63
FLHS
126
I/O
I Front panel key input terminal (A/D input)
— Power supply terminal (+3.3V)
— Ground terminal
— Not used
I Reference voltage (+3.3V) input terminal
I Jog dial pulse input from the rotary encoder (DISC AMS, PUSH ENTER) (A phase input)
I Jog dial pulse input from the rotary encoder (DISC AMS, PUSH ENTER) (B phase input)
— Flash write terminal
— Power supply terminal (+3.3V)
— Connected to the capacitor for the regulator
— Ground terminal
I Main system clock input terminal (5 MHz)
O Main system clock output terminal (5 MHz)
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 changes to "H"
I Sub system clock input terminal Not used
O Sub system clock output terminal Not used
— Not used
I Wake up signal input terminal for front panel key
I Wake up signal input terminal for RS-232C
— Not used
I
Chip select signal input from the system controller
I Serial data input from the system controller
O
Serial data output to the system controller
I
Serial clock signal input from the system controller
O
Serial data output to the RS-232C
I Serial data input from the RS-232C
— Not used
I Remote control signal input terminal
O S-LINK and CONTROL S output terminal
O Interrupt signal output to the system controller
Reset signal output to the system controller, DSP, AV decoder, audio DSP, mechanism controller,
O
digital audio processor and DSD decoder "L": reset
— Ground terminal
— Power supply terminal (+3.3V)
— Not used
O Video power supply on/off control signal output terminal
O Serial data output to the fluorescent indicator tube driver
O Serial clock signal output to the fluorescent indicator tube driver
I Serial clock signal input from the KEYBOARD
I Serial data input from the KEYBOARD
I Wake up signal input terminal for SIRCS
O Reset signal output to the fluorescent indicator tube driver "L": reset
O Chip select signal output to the fluorescent indicator tube driver
— Flash write terminal
Description