IC
BLOCK
DIAGRAM
(CD)
1C103
yPD75116-F56
(CD
Micro
Processor)
[PIN
No.[
SIGNAL
NAME
|
PORTNAME
[DESCRIPTION
P41
|
Control
Signal
of
Analogue
Muting
(2
\|pcont
|[Pao
|
Control
Signal
of
Power
Supply
for
CD
Circuit
{|
oOo
|
Not
Used
(Open)
|
Oo
|
P
4
tro
P52
Function
Control
C
Signal
|_O
|
Function
Control
B
Signal
por
|
6
fra PSO
Function
Control
_A
Signal
am
po
7
a
RESED
ket
6
7
RESED
2st
oe
SSO
RESEE
a
fen@2
ROO
Rat
OUTS
Me)
ee
oe
ORs
ees
KA
a
tT)
=
en
[10
[VCHK
—ss—s«[P63—SSSSCSC=C
Detection
Signal
of
the
Stoppage
Failure
of
Electricity
|
1
Detection
Signal
Out
of
Voltage
Drop
O
Detection
Signal
In
of
Voltage
Drop
fo:
|
[43
[TUMUTE
[P60
Ss
Control
Signal
of
Tuner
Muting
[14
{NC
s[P73.—SSSSS~S*~—~d
Nt
Used
(Ground)
=
EW
(NG
a
RO
NR
Ueed
(Ground)
=
oes
eee
ee
P71
DUbGImna
SiGtal
=e
itn
eye
eee
[17
[TAAF
st
P70_~—SSCSCSCSCSC*dC#Fusncttionn
Signal
for
Tape
Deck
=
a6.
[Ne
=
Peas
Not
Used
(Open)
pS
[19
{NC
s«([P82_—C“t*‘“‘;*C*dC‘WNRLsed(Opens)
=
Select
Signal
for
CLV
(Constant
Linear
Velocity)
Gain
fo
|
Data
Out
to
AD
Micro
Processor
(uPD75512)
|
oO
|
Clock
Out
to
AD
Micro
Processor
(uPD75512)
ro
|
23
[TRAV
CED
POD).
OD
rayindicatoy
LED
OS
[25
[SUB
SCK
‘(|
P90_
=i
Clock
Out
to
Sub
Micro
Processor
(zPD73508)
|
Re
a
Uae
we
Busy
Signal
In
from
Sub
Micro
Processor
(uPD73508
i
Busy
Signal
In
from
AD
Micro
Processor
(uPD75512)
DSP
(Digital
Signal
Processor)
Interface
[Sub
Q
Request]
Po
[30
[ik
——=——*([PIO/INTO
—_—_—_—|
infrared
Ray
Receiving(Remocon)
Signal
Sic.
PKEVS.
2
PIMOS,
=
=
I
Rey
input
Signal:
———
5
al
ee
[32
[Kev2
~—+(|PTHO2,
sd
Key
Input
Signal
[33
|
Key1—~———=«PTHOT.~—~S~*~*~*~*dCKezy
Input
Signal
=
[34
|Keyo—~~—=«LPTHOO—s—~—~=*é(
Key
inputSignal
=
Not
Used
(Open)
aes
P36e
(NG.
ceo
[Now
Wsed
Open
ra
|
37_[
close
——=S=«d
P23
SSSSC=*d
Control
Signal
of
Tray
Clase
[38
[cik
ouT__—_—*([P227PcL___———=sd
Clock
Signal
for
Adjustment
[_39
[OPEN
__—*(|P2i/PT01___—_—*([
Control
Signal
of
Tray
Open
OSP
(Digital
Signal
Processor)
Interface
[Command
Latch}
[oOo
|
DSP
(Digital
Signal
Processor)
Interface
[Sub
Q
Data}
|
P02
/SO
DSP
(Digital
Signal
Processor)
interface
[Command
Data]
ro
|
DSP
(Digital
Signal
Processcr)
interface
[Clock]
|
oO
|
[2
wh
PORF
POOAINTA:
DORRSigngh
eee
|
[45
_|OPNSW
|
P123
——=—=—S——_—i|
Switch
Detection
Signal
for
Open
End
of
CD
Tray
tae
Pum
swf
P22
Switch
Detection
Signal
for
Limit
of
Pickup
ra
47
Not
Used
(Ground)
poo
[48
[Nc
*‘|P120.~~—S——S—S*d
Not
Used(Ground)
|
49
[Nc
«|
P33
Not
Used
(Ground)
[i
als]
Not
Used
(Ground)
ee
[51
{swerRe
sd
P131~——SSCC_—*
Select
Signal
from
ON/OFF
Switch
for
Pre
Muting
[52
[SWHIAC
|
P130____——_|
Select
Signal
from
ON/OFF
Switch
for
High
Speed
Access
Select
Signal
from
ON/OFF
Switch
for
DAC
(Digital
to
Analogue
Converter)
fi
|
[54
|SW
BAND
__|P142____|
Select
Signal
from
TU/BAND
or
FM
Switch
for
Remocon
Function
Tt
[55
|swest
_[P141___—C_—i
Select
Signal
from
PST
UP
or
SCAN
Switch
for
Remocon
Function
ee
NG,
-
[fle
=
|
Notcontecton.
2
[58
[VDD
~———~«([VDDSSCS~*~C~dC
Power
Supply
SV
[59
|[PuLLUP———=«tP33_~—Ss—=sSCSCSCS~*di
ower
supply
to
Pull
Up
Resistors
P60
ENG.
PSR,
NOE
Used(Openy=
=
ne
|
Reset
Control
Signa!
for
DSP
(Digital
Signal
Processor)
[|
o
|}
DAC
(Digital
to
Analogue
Converter)
Interface
[Data]
|
oO
|
[63
|[SHiFT—*+iPa3_———~——=*t
DAC
(Digital
to
Analogue
Converter)
Interface
[Clock]
TO
[64
[tatcH
sf
Paz
DAC
(Digital
to
Analogue
Converter)
interface
[Latch]
[
Oo
|
-21
-
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