JVC JX-S555 Service Manual page 8

JX-S555(J)
Pin Name
P32
P33
P34
P35
P36
P20/SI30
P21/SO30
P22/SCK30
P23/RxD0
P24/TxD0
P25/ASCK0
V
DD1
AVss
P17/AN17
P16/AN16
P15/AN15
P14/AN14
P13/AN13
P12/AN12
P11/AN11
P10/AN10
AV
REF
AV
DD
RESET
XT2
XT1
IC
X2
X1
Vss
1
P00/INTP0
P01/INTP1
P02/INTP2
P03/INTP3/ADTRT
P70/T100/TO0
P71/TI01
P72/TI50/TO50
P73/TI51/TO51
P74/PCL
P75/BUZ
P64/RD
P65/WR
P66/WAIT
P67/ASTB
8 (No. 70251)
Pin No. I/O
I/O 2
21 I C path Data signal.
I/O 2
22 I C path Clock signal
I/O
23 Not used.
I/O
24 Not used.
I/O
25 Not used.
I/O
26 Not used.
I/O
27 Not used.
I/O
28 Not used.
I/O
29 Not used.
I/O
30 Not used.
I/O
31 Not used.
I
32 Positive potential (except for the port).
—
33 AD converter grounding potential.
I
34 Not used.
I
35 Not used.
I
36 Not used.
I
37 Not used.
I
38 Not used.
I
39 Not used.
I
40 CH5 S1/S2 signal input.
I
41 Not used.
I
42 A/D converter reference voltage input.
I
43 Analog power supply for A/D converter
I
44 System reset input.
—
45
Sub-system clock oscillation.
I
46
—
47 Internally connected. To be connected to VSS0 or VSS1.
—
48 X'tal oscillator connection terminals for Main
I
49 system clock oscillation.
I
50 Grounding potential (except for the port).
I/O
51 CH3 D4 plug insertion detection.
I/O
52 CH4 D4 plug insertion detection.
I/O
53 CH5 D4 plug insertion detection.
I/O
54 Not used.
I/O
55 Remote control light signal input.
I/O
56 Component video switching signal output.
I/O
57 Component video switching signal output.
I/O
58 Main unit ON/OFF. H = OFF. L = ON.
I/O
59
S1/S2 signal inputs.
I/O
60
I/O
61 Component video switching signal output.
I/O
62 CH5 monitor signal output.
I/O
63 Main unit ON/OFF. H = OFF. L = ON.
I/O
64 Power switch detection.
Function