Sony CDP-CX240, Руководство по обслуживанию

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• IC501 SYSTEM CONTROL (CXP84340-094Q)
Pin Name
A3
A4
A5
A6
A7
A12
A14
A11
A10
A9
A8
A13
WE
CE
KBCOUT
KBDOUT
KBDIN
FLDATA
FLCLK
LEDLT
TBLL
TBLR
DRIN
DROUT
ADJ
LDIN
LDOUT
BUSOUT
SMUTE
RST
EXTAL
XTAL
VSS
TX
TEX
AVSS
AVREF
D.S
DOORSW
CD 1/2/3
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
I
O
O
O
O
I
O
O
O
O
I
O
I
–
–
–
–
–
I
O
I
Function
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM address
SRAM writing
SRAM enable
Keyboard clock output
Keyboard data output
Keyboard data input
Data for fluorescent indicator driver IC
Clock for fluorescent indicator driver IC
Latch for LED driver IC
Table motor PWM output for left turn
Table motor PWM output for right turn
Door close output
Door open output
Test mode pin
Loading motor PWM output for inside direction
Loading motor PWM output for outside direction
CONTROL A1 out
Zero mute disenble output
Reset input L: Reset
X'tal Oscillation (10MHz)
X'tal Oscillation (10MHz)
Connect to ground
Not used
Connect to ground
Connect to ground
Connect to +5V
Disc sensor input
Front door switch
Command mode switch