JVC MX-DVA9 Service Manual page 43

MN101C49GEH 1(IC500): AV decorder
1.Terminal layout
~
100 76
1 75
25 51
~
26 50
2.Pinfunction
Pin No. Symbol I/O
1 VREF I
2 NC -
3 NC -
4 NC -
5 NTSEL I
6 POWER SW -
7 SHUT1 -
8 KEY1-5 -
9 KEY6-10 -
10 VREF+ I
11 VDD I
12 OSC2 O
13 OSC1 I
14 VSS -
15 XI I
16 XO O
17 MMOD I
18 DADATA I/O
19 DACS1 I/O
20 DCLK I/O
21 S2UDT O
22 U2SDT I
23 SCLK I/O
24 BUSY I/O
25 CPURST O
26 REQ I
27 REMO I
28 TEST1 -
29 TEST2 -
30 TEST3 -
31 DVDCS I
32 NC -
33 DVDRST I
34 NC -
35 DACS2 I/O
36 DACS3 I/O
37 NC -
38 NC -
39 FS2 I
40 CHREQ I
41 CHST O
42 CHDATA O
43 NC -
Reference voltage
No connect
No connect
No connect
NTSC/PAL selection
No connect
No connect
No connect
No connect
Reference voltage
Power supply
External terminal for connected oscirator
External terminal for connected oscirator
Connect to GND
External terminal for sub oscirator (Supply to voltage)
No connect
connects with gnd
Data bus for DAC
Serial bus S1 for DAC
Clock for DAC
Communication between unit microcomputers DAT A output
Communication between unit microcomputers DAT A output
Serial clock bus
Busy bus
Unit microcomputer reset
Commnication between unit microcomputers REQ
Remote control interrruption
Test terminal
Test terminal
Test terminal
Chip select for DVD
No connect
DVD reset
No connect
Serial bus S2 for DAC
Serial bus S3 for DAC
No connect
No connect
Over sampling frequency
Changer commnication REQUEST
Changer commnication STROBE
Changer commnication DATA I/O
No connect
MX-DVA9/MX-DVA9R
Function
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