Sony CDP-XE200 Service Manual page 12

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