Sony SCD-XA9000ES Service Manual page 93

• DISPLAY BOARD IC803 CXP84120-092Q (DISPLAY CONTROLLER)
Pin No. Pin Name
1 to 29
NC
30 RESET
31 EXTAL
32 XTAL
33 VSS
34, 35
NC
36 AVSS
37 AVREF
38 to 41
NC
42 TEST
43
NC
44, 45 KEY0, KEY1
46 RESET-OUT
47 ACK
48 SCK
49 SIN
50 SOUT
51 CP
52 CS
53 DA
54, 55 (+5V)
56 SIRCS
57 (+5V)
58, 59
NC
60 REQ
61 to 64 NC
65 LED (I-LINK)
66 LED (PLAY)
67 LED (PAUSE)
68 JOG B
69
JOG A
70, 71
NC
72 VDD
73 (+5V)
74 to 76
DUTY0 to DUTY2
77 to 80
NC
I/O
O
Not used
I
Reset signal input from the I/O expander "L": reset
O
System clock output terminal (8 MHz)
I
System clock input terminal (8 MHz)
—
Ground terminal (digital system)
O
Not used
—
Ground terminal (for A/D converter)
I
Reference voltage (+5V) input terminal (for A/D converter)
O
Not used
I
Test mode setting terminal "L": test mode, normally: fixed at "H"
O
Not used
I
Front key input terminal (A/D input)
O
Reset signal output to the FL driver "L": reset
O Busy signal output to the CPU
I
Serial data transfer clock signal input from the CPU
I
Serial data input from the CPU
O
Serial data output to the CPU
O Serial data transfer clock signal output to the FL driver
O
Chip select signal output to the FL driver
O
Serial data output to the FL driver
—
Power supply terminal (+5V)
I SIRCS signal input from the remote control receiver
—
Power supply terminal (+5V)
O
Not used
I
Request signal input from the CPU
O Not used
O
LED drive signal output of the i.LINK indicator "L": LED on
O LED drive signal output of the N indicator "L": LED on
O LED drive signal output of the X indicator "L": LED on
I Jog dial pulse input from the rotary encoder (B phase input)
I Jog dial pulse input from the rotary encoder (A phase input)
O
Not used
—
Power supply terminal (+5V)
— Power supply terminal (+5V)
I
Not used
O
Not used
SCD-XA9000ES
Description
93