Sony CDX-51 - IC Pin Function Description

5-7. IC PIN FUNCTION DESCRIPTION
IC14 CXP84120-021@ (SERVO BOARD)
Pin No. Pin Name i) ~~ Function
1 HOME 1 | HOME sensor input
2 NC — | Notused
3 NC —_| Notused
aa CES 1 | CES sensor input
seal NC —_| Notused
oe at MC (© | Motor control (M501, MS02)
| MB (© | Motor control (M501, MS02)
| MA (© | Motor control (M501, M502)
9 PGR © | Plunger controt
[=40,. | MB © | EJECT motor control
lL M3 fe) EJECT motor control
12 ELVON O | Elevator up/down, sensor power control
1B CDRST © _| Servo system reset. “L”: Reset.
Pa at CDON © _| Servo system power on/off. “H”: On.
15 APC fe} Laser on/off control. “L”: Laser on.
16 A-MUTE © | Audio output mute
7 EMPH © | Emphasis contro!
is | DPT 1 | DPT sensor input
19 DOE 1 | DOE sensor input. Disc is above pick-up: “L”
20 PST 1 | PST sensor input
21 LOT 1 | LOT sensor input
22 XWRE _ Not used
ee XRDE — | Notused
24 XQOK —_| Notused
25 GRSRST —_| Notused
[26 ESPXLT —_| Notused
7 XSOE — | Notused
28 SDTI —_ | Notused
29 P.PLAY 1 | Program play select. “H”: Program play cannot be used.
30 RESET 1 | System reset. “L": Reset
L 31 XTLI i System clock Appi a <¥
| ps XTLO fe} System clock output
33 Vss. - Ground
34 NC —_| Notused
35 NC —_| Notused
36 ‘AVss — | A/D converter ground
37 AVREF I A/D converter reference voltage input
38 TEMP_H |__| High temperature detection (For servo gain correction)
| 39 TEMP_L — | Notused
40 NC —_ | Notusea
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