Sony CDP-XE530 Service Manual page 21

• IC501 SYSTEM CONTROL (CXP82832-012Q)(DISPLAY board)
Pin No. Pin Name
1 13G
2 14G
3 NC
4 +5V
5 SCOR
6, 7 VDD
8 RMIN
9 VDD
10, 11 X
12 LD OUT
13 LD IN
14 SENS
15 XLT
16 AMUTE
17 PGML
18 SENSOR. IN
19 BUSOUT
20 BUSIN
21 SENSOR. SW
22 CLK
23 LDON
24 DATA
25 SQCK
26 SUBQ
27 VDD (+5V)
28 AVREF
29 KEY 0
30 KEY 1
31 KEY 2
32 FILTER. SW
33 ADJ/AFADJ
34 LOADSW
35 MODEL. SEL1
36 MODEL. SEL2
37 AVSS
38 RST
39 EXTAL
40 XTAL
• Abbreviation
FL : Fluorescent indicator tube
I/O
O FL grid signal output
O FL grid signal output
– Connected to VDD
– Power supply (+5V)
I Sub code sync input
– Power supply
I Remote control signal input
– Power supply (+5V)
– Not used (Open)
O Loading motor control
I Loading motor control
I Sense signal input
O Serial latch output
O Audio mute output
O Digital filter latch output
– Connected to VDD
O CONTROL-A1 transmission output
I CONTROL-A1 receive input
– Not used (Open)
O Serial clock output
O Optical pick-up laser diode control output
O Serial data output
O Subcode Q data readout clock output
I Subcode Q data input
– Power supply (+5V)
I Analog reference voltage input
I Key input
I Key input
I Key input
– Connected to ground
I Test mode terminal
O Load in/out select control output
– Model select pin (Connected to ground)
– Model select pin (Connected to ground)
– Analog ground
I Reset signal input
I 8 MHz clock input
I 8 MHz clock output
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Function