Sanyo MCD-s900F - CASSETTE PROTECTION; Preventing Accidental Erasure; MAINTENANCE; Cleaning Procedures

IC BLOCK DIAGRAM& DESCRIPTION
IC303 LC78602NE (Digital Signal Processor)
MrJT
sue
rfsw
son
L/ml
Fsx
XW
XIH
8ES
3v/ssv
EmTE
mm
I No.I Pin Name lFunctlon
I
I
1
I
DEF1
It is jumtian in unuad time, OV defect ddacUng signal(DEFI input
terminal
I
2 3V I “5V ltis5Vuw3V uS, LHp@yv@e~~i@Wnd.
3
PDO
The phase compakm ou@utterminal for outsideVCO ccmfrol(PLL
ccmfroq
1
Ii
5
Ism
Resistance cmwcbon“ twminal for dacfrfc cummt ed@bvranf of POO
6
WIM
Pmvar supply terminal for infernal VCO ccotrol
7 FR
VCO frequency range adjutit ccmfrd
6
Vas
D40MIIaarfea earth terminal. Beirm
connectedto OV bvaflmaana.
9
I
EFMO 1 -
EFM
sianal cutwt terminal.C3ii level ccmfrol)
13
I
HFL
ITmck datdica skmalincutterminal.
14 TES
Trackicg error signal inputterminal.
15 TOFF
Tracking OFF w@ut terminal
16
TGL
The outputtarrrinal fcf trackinggdn change. (Go upgain withL)
17 JP
The cu@ut terminal fortreddng jump -d. (3 vafue wtput)
18
IASER
Laser controlterminal.(The pull-downresistorinternal)
19 FSTA
The FS TA controlterminal.(The pull-downresistorinternal)
23
EFSAL EFBALwntrol terminal.fThe oull-downresistorinternal)
.,
21
I
96
ISP
6 ccmtrolterminal.(Thepulldown resistorinternal)
z
w
/DgM
series power supplyterminal
The syndvoniaicgsignalsearchoutpl terminal.W?Iansynchronizing
23
FSEO
signal.{ inddecraafkx agraadwiththes~~idrvg dgnalwhii
detectedil fromEFM signal,itbaccme” “
24 PCK
ClockmonitortwrninalforEFM data refxxfuctkm. ( LimitedatLhetime
Oftaetmodabut)
25 SLOF
Thread OFF mntrd @uf terminal
%
SLED+
The thread fieldoulpufterminal
27 SLED-
The thread fidd outpulterminal
2S
PUIN
Limitswitch eensina
inoul terminal, (The IX&W resisterinternal)
., . .
29
I
DOUT
IDnital OUT oufnutterminal.(EIA.I format)
33
NC
NC
(Being open)
31 %EG6 The segment OU@ut (8) terminal. (Tne pul@ raastar internal )
Q
“SEG7 The seamant oulwt [7) terminal. flfw ml!+m resister internal)
No. PIN NAME
Function
3
‘SE@ Thesegmentw@ut (6)tenninel.(Thepull+p resisterintamd )
34 ‘SE(35 Thesqmant output(5)terminal.(Thepull-upresisterinternal)
35 ‘sEG4 Thesaomentoubut [4)terminal.(Thecull-m resisterinternal)
I 33 I W&3 hhe aeumantoutout[3)tarrdnd. flhe
DUII-UD resisterinternal) I
37 %KG2 Thessgmemtwtpuf (2)terminal.(the pull-upresiaw intemd )
3s TEGl Theaagmadwtput (1)terminal.(lfvepiJIHIpraaistwinternal)
29
Vcc
Digii
seriesearth terminal.(It is conmxticminOV byall means)
40
NC NC
41
●DIG2 The ccmnwn drive WI&M(2) terminal.llw IXIlliJp rmister intssvval
Q
●DIG1 The ccsnmondriie o@at (1) tarminef.Tha pull-upresister intat’nei
43
●PROG
pr%m~ movement monikw cutput terminal. (The pulkup resistaf
I 44 I ‘KNIN IKSVmatrix
irmufterminal.flhe DUII-UDresister internal) I
6
NC
NC(Se@ cfws)
4
NC
NC(Eking
qwn)
4
●RANDOM Randcsnmode display wf$wf terminal
m RMTSL3 The wireless remote contrdk kiantifiition inwt (3)terminal
~-~ ] EFLG IC1 .C2.1fdd .2fold Wwcfionrncmitor I
9)
FSX
7.35KHzsynchrcmizingsignalo@f terminalwhii dd dtitng frofn
OSC.Asacav3ticm,lJnkde tfhetimaoffastr rwda
51 “AMUTE w310, Muteout@ dgnsl
S? REMOTE Wirafassremotecontrollersgnal inputterminal
53
RMTSL2 Wirelessremotecontrolleridantifcationinput(2)terminal
54 LCHO DIA, Lchmnd @xl tsufninal
55
URVdd DIAccatrol~wer swrca terminaJ
[ 5S I URVSS IEYAcontrolM terminal.Misconnwtionin OV bveflmeans) I
I 57 I RCHO lD/A. Rchannelo@uttswninal I
56
I
CL~E lClosirg switchsensinginputterminal.Thepull-upresisterinternal
I
m
Wirelessremotecontrolleridentiricafkninput(1)terminal.(Thepull-up
‘MnL’ rasisferinternal)
6)
Xwt
Connadfm
taminalof 169344 MHzcrydaiOSC
6f Xm Conn@kxfterminalof 16.9344MHzcryslalOSC
5? X-W
Proversu@y terminalforcrystalOSC
63
●RES Raaetirpul tamninal
64
DRF DRFinputterminal
.
9-