Read Sony CDP-XE200 / CDP-XE300 Service Manual online
– 12 –
• IC501 CXP82612-021Q (MASTER CONTROL)
Pin No.
Pin Name
I/O
Function
1
TIMER
–
Connected to +5V.
2
RM
I
Audio bus input
3
+5V
–
Connected to +5V.
4-6
–
–
Not used. (Open)
7
PGML
O
Latch signal output to digital filter (IC201).
8
CLK
O
Serial clock output
9
SENSE
I
SENSE signal input
10
DATA
O
Serial data output
11
SQCK
O
Read out clock output for subcode Q data.
12
SUBQ
I
Subcode Q data input
13
–
–
Not used. (Open)
14
AMUTE
O
Analog muting control signal output
15
LDON
O
Optical pick-up laser diode control output
16
XLT
O
Serial data latch signal output
17
–
–
Not used. (Open)
18
RV+
–
Not used. (Open)
19
RV-
–
Not used. (Open)
20
LDOUT
O
Loading motor control signal output
21
LDIN
I
Loading motor control signal input
22
KEY0
I
Key input (S530)
23
KEY1
I
Key input (S520-S527)
24
KEY2
I
Key input (S501-S506)
25
KEY3
–
Connected to +5V.
26,27
KEY4,KEY5
I
Key input (S531)
28
ADJ/AFADJ
–
ADJ/AFJ test pin
29
IN/OUTSW
I
Loading IN/OUT switch input
30
RST
I
Reset signal input
31
EXTAL
I
Clock input (4MHz)
32
XTAL
O
Clock output (4MHz)
33
VSS
–
Ground
34-41
–
–
Not used. (Open)
42-62
S1-S21
O
FL segment output
63-70
1G-7G
O
FL grid output
71
VFDP(-30V)
–
-30V pin for FL display tube.
72
VDD(+5V)
–
+5V pin
73
+5V
–
+5V pin
74
SEL1
–
Connected to Ground.
75-77
–
–
Connected to Ground.
78
SCOR
I
Read out timing signal input for subcode Q data.
79,80
SEL2,SEL3
–
Connected to +5V.
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