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Sony CDP-XE510 Service Manual Page 23

Compact disc player.
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• IC621 SYSTEM CONTROL (CXP84332-036Q)
Pin No.
Pin Name
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
9
NC
10
NC
11
NC
12
NC
13
NC
14
NC
15
NC
16
NC
17
NC
18
NC
19
NC
20
NC
21
BUSOUT
22
LODOUT
23
LODIN
24
NC
25
NC
26
FL.CLK
27
FL.DATA
28
NC
29
BLK
30
RESET
31
EXTAL
32
XTAL
33
V
SS
34
NC
35
TEX
36
AV
SS
37
AVREF
38
NC
39
NC
40
NC
• Abbreviation
PWM : Pulse Width Modulation
I/O
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
Not used
O
CONTROL-A1 out
O
Loading motor PWM output for outside direction
O
Loading motor PWM output for inside direction
O
Not used
O
Not used
O
Clock for fluorenscent indicator and LED control
O
Data for fluorescent indicator and LED control
O
Not used
O
Reset for fluorescent indicator driver IC
I
Reset input L:Reset
I
X'tal Oscillation (8MHz)
I
X'tal Oscillation (8MHz)
Ground
Not used
Ground
Ground
+5V power supply
O
Not used
O
Not used
O
Not used
— 31 —
Function

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