ASCRIPTION
pPD75112GF-751-3BE (MICRO PROCESSOR)
SIGNAL
PORT
PIN
SIGNAL PORT
NAME i
DESCRIPTION 1/0
DESCRIPTION
1/0
NAME
No. NAME
NAME
CD MUTE
P41
CD Mute Output
o
35 THLD
TIO
THLO
Input
I
P CON
P40 ‘H- Level at Power ON o
36 NC
Tll
Not Used (Open)
I
NC
P53 Not Used (Open) o
37 SLED OUT P23
SLED Outer Drrection Output “H”
o
Active
FUNC C
P52 Function Control C Signal o
38 NC
P22
Not Used (Open)
o
FUNC B
P51 Function Control B Signal o
39 SLEO IN
P21
Sled Output to Inner Way -H-
0
FUNC A
P50
Function Control A Signal o
Active
=T
RESET System Reset
I
40 RWC
P20
RWC Output to LC7860N
o
x2
X’tal Oscillator Connect at 4.19 MHz
41 SQOUT
Po3iS.1 SQOUT Input from LC7860N
I
xl
Xtai
C)$cillator Connect at 4.19 MHz_
.42
CCIIN
P02
COIN Output
to LC7860N
o
, CRECL P
Output of RecordCompilationisin o
/s0 -
P63
Progress
43 CQCK
Pol I
CQCK Output to LC7860N
o
SCK
POWER
P62 Power ON (“H- Position) Out_put o
44 DRF
Poo I ORE_tigml Input from IA9200N I
PLAY P P61 At Playback. L- 0 INT4
STOP P
P60
At Stop “ L- 0
45 SW3 P123
Mechanism Switch 3 Input
I
PULL UP P73 At Stand-by (Power
Stoopage) - L-
0
46 SW2
P122
Mechanism Switch 2 Input
I
SYNCRO
P72 Syncro Output
o
47 Swl P121
Mechanism Switch l(Limit SW) Input
I
vOL UP P71 Volume Up o 48
SENSOR
P120
Mechanism Sensor Input
I
vOL DOWN
P70
Volume Down
o
49 POWER P133
Power ON (“H”) Input
I
. .. .
A MUTE P83
Analogue Audio MuteOutput. L-
5 so RECSW
P132
Active
Tape Rec. Switch (Rec. Key On - H-)
I
51 OIREC
P131
I
TABLE V
Tape Play Direction (Edge
P82
Motor Voltage of Tray Rotation” L-
0
Detection)
Act!ve
52 NC
P130
I
TABLE
PB1
Not Used (Open)
DiscTable rotation ‘L”
Active
o
53 OAC SEL
P143
Select Signal from ON tOFF Switch
I
NIECHA B
PBO
Mechanism Base Up/Oown ‘L-
0 for DAC (Digital to Analogue
Active
Converter)
PRE MUTE
P93 Tuner Pre Mute Output .Active- 0
54 HI SEL
P142
Select Signal for High Speed AcceSS
I
av G P92
CLV Gain
o
55 FuNC 5EL P141
Select Sianal for
Remocon Function
1
SUB SO P91
Oata Out to Tuner Micro
o
56 RECSEL P140 Select the play Key Valid of the End
I
Processor (pPD75306)
of A Side when Record Compilation
SUB CLK
P90
Clock Out to Tuner Micro
o
Processor (pPD75306)
57 NC
NC
Not Connection
Vss
—
Ground
58 vDO vDO
Power Supply + 5V
SUB BUSY
P13
Busy Signal In from Sub Micro
I
59 NC P33
Not Used (Open)
o
Processor (pPD75306)
60 CD FUNC
P32
CD Function Output
o
VCHK
P12 Electricity Failure Oetector
I
61 OSP RESET
P31
Reset Control Signal for
C3SF’
o
WRQ
P1 Y
WRQ Input
from LC7860N
I
(Digital Signal Processor)
IR
Plo
Infrared Ray Receiving (Remocon)
I
62 ATT
P30
DAC (Digital to Analogue
o
Signal
Converter) Interface [Data]
KEY3
PTH03 Key Input Analogue Signal
I
63 SHIFT
P43
DAC (D,gltal to Ana Iogue
o
Converter) Interface [Clock]
KEY2
PTH02 Key Input Signal I
64
LATCH
P42
DAC (D!gital to Analogue
o
KEY1
PTHO1 Key Input Analogue Signal I
Converter) Interface [Latch]
KEYO
PIHOO Key Jnput Ana!ogue Signal
l’1~
IC BLOCK DAIGRAM & DESCRIPTION
IC104 LC7866E (DIGITAL SIGNAL PROCESSOR)
N.
“M
NAME
II 0
DE5CRkM10N
1
TfS1l 1
FW TEST. Normal the
is W! mnnm!m
z
AO 0
3
Al 1
I“PuI fTOIIl VCO OUI$U1 i“ LAW 10 .@.@36MHz)
Ph.se ccNnP@s.Yn C.Utmn of VCO and EFM signal.
4
PDO 0
5 Vss GND
6
3 0
N@9atlve c@PW thtough am#tvde limiter. A.tiptw$e of
=. This ~gn.1 me SLICE LEVEL CONTROL.
7
P.nitive omput through .mohwde biter. AntiPhase d EFMO.
EFMO 0
This ,?’3”,1 e SLICE LEVEL CONTROL.
8
Irw.mting HF signal d l-2Vp.p lhi$ $@d ine SLICE LEVEL
EFMIN
1
CONTROL.
9 TEST.? I
e- 1E57. Normal imw +5 mm .onnecticm.
10
CLV . 0
O.,PU, for DISC MOTOR CONTROL.
11
CLV 0
Otip.t for DISC MOTOR cONTROL.
CLV rough 3eIve lbme : OIRFM ‘H-
,>
,,,. “
.
. .
Phase mn,rd time : OUW”t-L-
13
Foes 0 output - H- : Lens pull up wtth dowly lb. stop the F%=
14
Fsr 0
krvo. M =
s..ntram it reset .UIW 04 FOCS. Fc4 lead-in of
15
= 1 F=-
Cc.mp!y watt! comnwnd of track j.rw. it mo!i.te k,.k puke.
16
HFL t
JP + 6 Jr. 1. jump the prexdbcd ..m&r of track [1,4,16.34).
17
TES 1
Ccmply wnh command of track i.mP. II O$ciilate kick Pul=.
lP+ 6 IT. !t jump the Prescribed .Utir of track [l.%~ 6.60.
18
PCK o
PCK M.n,tw (4.3? 18MHz)
19
SYNC IF% et truth) delectd loam Wr.! $iqnd . SYNC of
FSEQ 0
m.mu : ‘H- (Lat<h O.l$UI during in 1 ~rame)
m
TOFS 0
21
TGL 0
Comply with ..ntrmnd of track jump. ,t G+clll.te kkk Puke,
22
THLD 0
JP + .3 Iv. R jump the pre%rbed nvmber of track (1 ,4.16,64).
23 TES13 I
Fw TEST. Norma! t!me k non C...f@0n.
2.
VDD
. 5V
23
>P . 0
Comply with <onwn..d O* I...k j.nw.. e o@late k,<k
Pul$e,
26 F 0
JP +
6 Jr. It WV the Pre%ribQd number 0+ track (1,4,16,64).
27
DEMO I
m .d,.%tment .7 PrCduct,on prwes% S0..%) cm f.rmion.
28
TE514 1
for T
E51 N.wnd :me i$ non con-ion.
29
EMPI+ 0
O.wul is ‘H- :X-F, ,, !wed
de.em#.asn
30
F., TEST. NOImal time b ‘H-.
TisTa 1
,...
,..
.0..
,,.
No
& 1/0 DESCRIPTION
31 I SMP2 I 0
( OUIDUt Of si9n.110DAG5qnd 04 L,tdlt L/R$dttl~Ml
32 SMP1 0
1.54 samphrq- Hold
33 lRCLK 0
output of $@nd to DAC 3ignal of L.ldI h
LlR8e!U1. $qd
34 SMP 0
for sanwlmg
Hold
OVWt 01 W“*! to D&C. $!g.d 01 Latch * Llnti. S$gnd
35
DFOUT 0
for $amphg Hold
output d %,gndto DAG Wna! .1 Latch a LIR *M $ho~l
36 DACLK 0
Ow sampling Hold
37 TES18 0
F.n TEST.
Normal tome ,S ..m wmnemma.
38 TESTC 0
For TEST. Normd t,me i, non ,0.rre’tw”.
39 CK2 0
For output d s,g.al that comply vwth CC-ROM
60 ROMOU1 0
F., output of ,:gnal that COmP!Y w,th CD.ROM
41
C2FLCK o Fof o., P., of ,,gnal ,ha, comPly w,th CO-ROM
42 CZF o
For outPut d ,!gm.1 that COnv!y w,th CD.ROM
43 DOUT 0
OWU? of DIGITAL OUT
44 WSY 0
“S~n<hroo,zmq s,.gnal d wt-<cdet+nk.
.5 EFLG 0 Fw <O,rf’ti,on InQnnca of cl. cl, N.gle. btie.
.6 Pw 0
5FSY IS Sywhr.n,z,ng $gnat .7 s.titi b f,.me. O%k of
.7 SF%Y 0
eighth~nd to SBCK then read out the s!Awode of P, 0. R. 5.
48 5BCK
1
1. U. V. & W.
49 F5X o
Ovtp.t d Synchmn!*inq ,,gna!(735 KHz)
50 WEo 0
31 RWC
!
Data s“b,ti, 0 ~,, the CRC dw,k thm WRQ & ‘U.. 11
51 500uT
0
detect at ,X:,,.*L Data reed out lmIn SOOU1 W*M :M
~. RWC $et tti ‘H. by MKro P?w?svX then it kt
53 COIN
1
command w $en.s w,th Syn<hr.niz,ng =c.mm.~ d,t..
54
e
I
55 RES
1
1.,. m the Power SuDP[y time On<, ‘L.
56 MIL
1
Dam .1 SOOUT want w the LB5 fmt t,nw MIL set the ‘L”
57 =R 0
Th!, o.tp.t can mnttol .1 Ser,al control *IOm Wm. Pm,~$.r
58 16M
0
!6M .).,Pu1(1693MMHz)
59 4!4
0
4M 0., P.!(42336MW)
60 CONT
0
?h,s ..m.t c.. mntrol at serial Control trom M, Cr. PTO~~~O[
61 TfSTS
t
For TEST Normal ,Vne t, non ,0”.mmm
Chic. selm Termmal. Thntermn.i ‘L. : LC7866 !sactt.e
62 Cs
I
(,.1m..l Remt.r Pull Dow.)
63 XIN
1
ConnulSc.n Ienmnal of CV,,al O,<,ll.l,O. (169 M4MHZ)
M
XOUT
0
COnnemOn ?,rmnal of <w,,?. MollavcL? (1693tiMH7)
.’ ,.
-04–
-65-
.
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