Sony CDP-CX225, Service Manual

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• IC303 SYSTEM CONTROL (CXD84332-028Q)
Pin Name
A3
A4
A5
A6
A7
A12
A14
A11
A10
A9
A8
A13
WE
LED1
LED2
LED 3
DOOR SW
SCLK
SRDT
MODE
BUSOUT
LDOUT
LDIN
TBL.L
TBL.R
S.RST
FL.DATA
FL.CLK
LDON
RESET
EXTAL
XTAL
V
SS
TX
TEX
AV
SS
AVREF
I.SENS
CD 1/2/3
D.SENS
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
I
O
O
O
O
O
O
O
O
O
O
I
O
I
–
–
–
–
–
I
I
I
Function
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
PLAY LED control H: Lighting up
PAUSE LED control L: Lighting up
POWER standby LED conteol L: Lighting up
Front foor switch H: Open
Open
Open
Pull-up for +5V
CONTROL-A1 out
Loading motor PWM output for outside direction
Loading motor PWM output for inside direction
Table motor PWM output for left turn
Table motor PWM output for right turn
Power control H: Power ON
Data for fluorescent indicator and LED control
Clock for fluorescent indicator and LED control
Laaser diode control H: ON
Reset input L: Reset
X'tal Oscillation (10MHz)
X'tal Oscillation (10MHz)
Connect to ground
Open
Connect to ground
Connect to ground
Connect to +5V
Table motor current detect More than 3V: Avnormal condition
Command mode switch
Disc sensor input Less than 3V: Existing disc