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~KR-A5010
12
CIRCUIT DESCRIPTION
2-4. Initial setting
1} Function initial setting
Last channel MEMOTY........cc
ce ceeesseeeees FM : 87.5MHz
wibiee
att soy alter aman cette e ee At
Me AM (kK) : 530kHz
sees stil va cosas deacegeeyysaeedaiseeneeecsse decades AM (E) : 531kHz
Station name last channel memory/
station name preset channel memory ........... All blank
TUNING: MODES
ecestaesecke sek ceoovicticedeseseedetecdsoutecetes Auto
Preset channel memory ........ Chi~Ch20 all at FM 87.5MHz
Band cclesaviuscecsies
cata vesteidendccaeaees ect evan asa
a tieetedes FM
oa fd 4 0 er
I
1-10
INPUT SClECTON .ccasicasniiouiiescveeteencceariess Tuner
VIdEO MOMNITOF 00... eeceeseceeecesseessenssseseessenes VIDEO 1
Dolby SUITOUNG ..........cccecccceseseeseccesseccssevesevsneeseres OFF
EQUAIIZER ivsccctsstaetetertagehededel tetteicneceitidawes DEFEAT
TAPE 2: MOnitOl s.icciceed
Sees haerte inca neee OFF
MUTING ai lee cescsiehectiaiei
dete avsaiesvieetsesssssivices canes OFF
POWER ech sescctcvectvsastunieauetcenlvsins
qeevattvaaomiaei tote cede OFF
2) Microprocessor output port initial setting
Any figure in{
—_) is a pin number.
SURROUND MURE (12) ssctsodetsnucectcekersstastt rebayaattnty LL
MONO: (18) (205) sccsitte tid actetevetus wupiieeteatenteutnrbieuithess L
BO ONIORR (1S) as cseceseietstannsasabeuescadencrtevechrpenietsar ante L
WIDE OT Z A 2S) iscraitanattasiuns
stein vei ites eatyentanccnencs H
OVE
(26) sieht saetas eats cotaseet us acta aa pases eaevid L
18 70 as | ne eerie
ee nm Cee en rT H
RLS ae 0 | ear
nar eeeter teem
rear ae OE SP ee ora) H
TAREAD NZ Ax scorsee coreetne test tid aura uae aad uae eaetuslars H
MO
PAZ Gyre ssunnodetesltatanlee
tN cau hiouute Basdans ce Senelagiieg H
WROOWIN 1) ccenstessensccmetacat iheneativeretevareiavcre ae tientereds L
Bd a (cic | Beene meee he ee aren smears ory ener are tert
rnin L
The initial setting is performed in a following event :
1. When backup memory data is destroyed when reset
is applied to the microprocessor.
2. When the power cord is plugged in to the AC wall
outlet while pressing the TUNER key or MEMORY
key.
3. When serial code ''TEST : 71'' is received during the
test mode.
2-5. Test mode setting
1) Method of entering the test mode
1. While pressing the TUNER key and VIDEO 1 key, plug
the power cord to the AC wall outlet.
2. When the test mode is unengaged, sent serial code
"71".
In either case of 1 or 2, when the test mode is
entered, the FL tube display all lights.
2) Method of canceling the test mode
1. Unplug the power cord from the AC wall outlet once.
2. Send the reset signal to the RESET pin or some other
means to reset the microprocessor.
3. Send serial code ''71''. inthis case, the microproces-
sor, when it receives serial code ''71'', engages the
same state as when initial reset is applied. Thus, the
RAM is once all cleared to enter the initial set state.
3) Contents of test mode
1. When the test mode is entered, the FL tube display
all lights. This all lighting continues unless a effective
remote control serial code or the test mode is can-
celed.
2. The test frequency is stored in memory for each
preset channel. (For each frequency to be stored in
memory, refer to its associated listing.)
3. When serial data is received, an operation different
then the normal mode is performed. (About the
operation of each code, refer to the serial test code
table.) When a forbidden code is received, an uncon-
trolled run may occur, so that proper operation cannot
be ensured.
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