Ic Pinfunctions - Sony CDP-XE570 Service Manual

CDP-XE570

6-10. IC PINFUNCTIONS

• IC501 MASTER CONTROL (CXP82832-033Q)(DISPLAY BOARD)
Pin No. Pin Name I/O
1 13G O FL grid signal output
2 14G O FL grid signal output
3 NC – Connected to VDD
4 NC – Connected to VDD
5 SCOR I Sub code sync input
6, 7 NC I Connected to VDD
8 RMIN I Remote control signal input
9 NC – Connected to VDD
10, 11 NC – Not used (Open)
12 LD OUT O Loading motor control
13 LD IN I Loading motor control
14 SENS I Sense signal input
15 XLT O Serial latch output
16 NC O Not used (Open)
17 NC O Not used (Open)
18 NC – Not used (Open)
19 BUSOUT O CONTROL-A1 transmission output
20 BUSIN I CONTROL-A1 receive input
21 NC – Not used (Open)
22 CLK O Serial clock output
23 LDON/RW/OFF O Optical pick-up laser diode control output
24 DATA O Serial data output
25 SQCK O Subcode Q data readout clock output
26 SQSO I Subcode Q data input
27 DACS O Not used (Open)
28 AVREF I Analog reference voltage input
29 ADJ/AFADJ/BD TEST I Test mode terminal
30 IN/OUT SW I IN SW/OUT SW
31 KEY 0 I Key input
32 KEY 1 I Key input
33 KEY 2 I Key input
34 NC O Not used (Open)
35 NC O Not used (Open)
36 NC O Not used (Open)
37 AVSS – Analog ground
38 RST I Reset signal input
39 EXTAL I 8 MHz clock input
40 XTAL O 8 MHz clock output
• Abbreviation
FL : Fluorescent indicator tube
Function
20
Pin No. Pin Name I/O
41 VSS – Ground
42 TX – Not used
43 TEX – Connected to ground
44 VDD (+5V) – Power supply (+5V)
45 VFDP (–30V) – Pull down voltage (–30V)
46 XSEL O Not used
47 — – Not used
48 to 58 OPEN – Not used
59 to 61 VDD (+5V) – Power supply (+5V)
62 to 66 OPEN – Not used
67 to 87 S21 to S1 O FL segment signal output
88 1G O FL grid signal output
89 VDD (+5V) – Power supply (+5V)
90 to 100 2G to 12G O FL grid signal output
• Abbreviation
FL : Fluorescent indicator tube
20
Function