Sony CDP-CA70ES Service Manual page 32

• IC501 SYSTEM CONTROL (CXP84648-052Q) (MAIN BOARD)
Pin No. Pin Name
1 A5
2 A4
3 A3
4 A2
5 NC
6 D0
7 D1
8 D2
9 D3
10 D4
11 D5
12 D6
13 D7
14 PLAY_L
15 PAUSE_L
16 LED MEGA
17 LED XFADE
18 LED DELAY
19 WE
20 LODIN
21 LODOUT
22 FLCLK
23 FLDATA
24 BLK
25 A1
26 A0
27 A13
28 D_SENS
29 NC
30 RESET
31 10MHz
32 10MHz
33 GND
34 NC
35 TEX
36 AVSS
37 AVREF
38 BUSOUT
39 VERSION
40 KEY2
I/O
O SRAM address 5
O SRAM address 4
O SRAM address 3
O SRAM address 2
— Not used
I/O SRAM data 0
I/O SRAM data 1
I/O SRAM data 2
I/O SRAM data 3
I/O SRAM data 4
I/O SRAM data 5
I/O SRAM data 6
I/O SRAM data 7
O PLAY lamp
O PAUSE lamp
— Not used
— Not used
— Not used
O SRAM enable
I Loading direction signal input
O Loading direction signal output
O Display clock
O Display data
O Display reset
O SRAM address 1
O SRAM address 0
O SRAM address 13
I Disc exist/non-exist sensor
— Not used
I Microprocessor reset
— Ceramic oscillator
— Ceramic oscillator
— Ground (0V)
— Not used
— Ground (0V)
— Ground (0V)
— Reference voltage for AV converter. Fixed to VDD
O Control A1 output
— Ground (0V)
I Key input 2
— 42 —
Function