Onkyo DX-C300 Service Manual

Q114
CXP5016H (Microprocessor) Terminal Description
Pin No. Symbol Descriptions
1 LIN Disc tray loading ——l IN
2 LOUT IN/OUT output terminals. Brake[OUT
3 DSDW Disc selector UP/DOWN UP Brake
4 DSUP output terminals, DOWN
5~20 a~p Segment output terminals for FL tube.
22~28 1G~7G Digit output terminals for FL tube
29 SCOR Subcode syne. SO+SI input terminal. [syne
32 RST Reset input terminal.
34 Vop Power supply terminal. Connect to 5V.
35~41 AD0~AD6 Key matrix input terminals. (A/D converter)
42 CLK Serial clock output terminal.
44 Subcode clock output terminal.
45 DATA LSI control data serial output terminal.
46 SUBQ Subcode Q data serial input terminal.
47 NRSC IN RI code (Remote control code) input.
48 FOK Focus OK input terminal. NGJOK
49 DCNT Disc count pulse input terminal. _T
50 DCMH Disc selector home switch input. _Not{home
Sl MZS2 Magazine discrimination “6 discs single
52 MZS1 switch input terminals. magazine infeyeat
53 LPS2 Load position [Load j eject
34 LPS1 switch input. clamp_} lomet
55 XLT LSI control data latch pulse output.
56 LSR Laser diode ON/OFF output terminal. ONJOFF
57 MUTE Audio muting output terminal. ONJOFF.
58 NRC OUT RI code output terminal.
59 RW Read/Write command output terminal for QUIS.
60 CEl Chip enable
61 SENSE LSI operation input terminal.
62 REM Remote control code input terminal. Not used.
63~70 PDO~3, PCO~3_| Memory data input/output terminals.
a Vss Connect to GND terminal.
14 C4M Clock input terminal.
16 VFDP Power supply terminal for predriver
11 CK/RST Clock/Reset output terminal.
78 DATA B Data output terminal.
79 CK Clock output terminal.
80 EMP De-emphasis ON/OFF output. OFFJON

Onkyo DX-C300 Specifications

General

Brand	Onkyo
Model	DX-C300
Category	CD Player
Language	English