Pioneer RS-K1 Service Manual page 20

Optical digital reference system system control tuner/deck
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@Pin Functions (IC602:MSM82C55A-2GS)
20
Pin No.)
Pin Name
1/0 | Output | Function and Operation
Format
cSt
I
Extension 1/0 chip select input
GND
GND
XA1,XA0
Extension I/O address input
| SUevbB
|
|
Extension i/O power control input
iPSWDB
Switched +B output for iP BUS
LCDPW
power supp!
RDTSW
3
Remote control regulator switching output
i
TUNANT
0
Auto antenna output
Illumination power sense input
Limit sense of analog audio si
Power supply
nal
Model select input
BACK UP voltage check input
Test terminal
Not used
TESTIN
1
Test program mode input
| VOD
|
S| Ss Power suppl
5-32)
D7-DO
=—s {| VO [| C | External data input/output
| RESET
|_|
[|
| Reset Input
| WR
Write signal input
Y =
&
Ww
ies)
=| a
~ LD)
on
~ =
_
Door sense input from free space remote control
Telephone mute input
_-DSENS
|
tt
Grille detach sense
mn Nn m 2 n
| BSENS
|
! |
|Back up power sense input
| VOD
CT
CT
Dp
ASEN
[ |
ACC power sense input
WDP
1!
|__|
Watch dog pulse input
OSEN
|__|
Flap open sense input
| CSENS
=| =| | ~——__—s| Flap close sense input
[RD
| Ct |
= Read signal input
MSM82C55A-2GS
LH5116HN-10T
PS
N
A7
A6
AS
A4
A3
A2
Al
AO
1
101
tt
z
102
1 03

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