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Sanyo MCD-s900F Service Manual page 10

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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 outside VCO 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 O
V bv
afl maana.
9 I
EFMO
1 -
EFM
sianal cutwt
terminal.C3ii level ccmfrol )
13 I
HFL
ITmck datdica skmal incutterminal.
14
TES
Trackicg error signal input terminal.
15
TOFF
Tracking OFF w@ut terminal
16
TGL
The outputtarrrinal fcf tracking gdn change. (Go up gain with L)
17
JP
The cu@ut terminal for treddng jump -d.
(3 vafue wtput)
18
IASER
Laser
controlterminal. (The pull-downresistorinternal)
19
FSTA
The FS TA controlterminal. (The pull-downresistorinternal)
23
EFSAL
EFBAL wntrol terminal. fThe oull-downresistorinternal)
.,
21
I
96
ISP
6 ccmtrol t erminal. (The pulldown resistorinternal)
z
w
/DgM
series power supplyterminal
The syndvoniaicgsignalsearch outpl terminal.W?Iansynchronizing
23
FSEO
signal.{ inddecraafkx agraadwiththes~~idrvg
dgnalwhii
detected il from EFM signal,it baccme" "
24
PCK
Clock monitortwrninalfor EFM data refxxfuctkm. ( Limitedat Lhetime
Oftaetmodabut)
25
SLOF
Thread OFF mntrd @uf
terminal
%
SLED+
The thread field oulpufterminal
27
SLED-
The thread fidd outpul terminal
2S
PUIN
Limit switch eensina
inoul terminal, (The
IX&W resisterinternal)
.,
.
.
29
I
DOUT
I Dnital 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
Thessgmemt w tpuf (2)terminal.(the pull-upresiaw intemd )
3s
TEGl
Theaagmad wtput (1)terminal.(lfve piJIHIpraaistwinternal)
29
Vcc
Digii
series earth terminal.(It is conmxticmin OV
by all means)
40
NC
NC
41
DIG2
The ccmnwn drive WI&M(2) terminal.llw IXIlliJp rmister intssvval
Q
DIG1
The ccsnmon driie o@at (1) tarminef.Tha pull-up resister intat'nei
43
PROG
pr%m~ movement monikw cutput terminal. (The pulkup resistaf
I 44 I
'KNIN
IKSVmatrix
irmuf t erminal. flhe
DUII-UDresister internal)
I
6
NC
NC(Se@ cfws)
4
NC
NC(Eking
qwn)
4
RANDOM
Randcsn mode display wf$wf terminal
m
RMTSL3
The wireless remote contrdk kiantifiition inwt (3)terminal
~-~
]
EFLG
IC1 .C2.1fdd .2fold Wwcfionrncmitor
I
9)
FSX
7.35KHzsynchrcmizing s ignalo@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, L chmnd @xl tsufninal
55
URVdd
DIAccatrol~wer swrca terminaJ
[ 5S I
URVSS IEYAcontrolM
terminal.M is connwtion in OV bv eflmeans)
I
I 57 I
RCHO
lD/A. Rchannelo@uttswninal
I
56
I
CL~E
lClosirg switchsensinginputterminal.The pull-upresisterinternal
I
m
Wirelessremotecontrolleridentiricafkninput(1)terminal.(Thepull-up
'MnL'
rasisferinternal)
6)
Xwt
Connadfm
taminal
o f 169344 MHzcrydai OSC
6f
Xm
Conn@kxfterminalof 16.9344MHzcryslalOSC
5?
X-W
Proversu@y terminalfor crystalOSC
63
RES
Raaetirpul tamninal
64
DRF
DRFinputterminal
.
9-

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