JVC AV-21BF11ENS User manual

No.52055
AV-21BF11ENS
AV-21BF11EE
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AV-21BF11EP
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AV-21BF11EJ
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1COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
Jul. 2002
AV-21BF11ENS
AV-21BF11EES
AV-21BF11EPS
AV-21BF11EJS
CONTENTS
!SPECIFICATIONS ････････････････････
････････････････････････････････････････
････････････････････2
!SAFETY PRECAUT IONS ･･････････････
････････････････････････････
･･････････････4
!FEATURES･･････････････････････････
････････････････････････････････････････････････････
･･････････････････････････ 5
!MAIN DIFFERENCE LIST ･･････････････
････････････････････････････
･･････････････5
!SPECIFIC SERVICE INSTRUCTIONS ････
････････
････ 6
!SERVICE ADJUSTMENTS････････････
････････････････････････
････････････ 11
!PARTS LIST ･･･････････････････････
･･････････････････････････････････････････････
･･･････････････････････ 21
★
OPERATING INSTRUCTIONS
★
STANDARD CIRCUIT DIAGRAM ･･･････
･･････････････
･･･････ 2- 1
SERVICE MANUAL
COLOUR TELEVISION

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SPECIFICATIONS
Content
Item AV-21BF11ENS AV-21BF11EES AV-21BF11EPS AV-21BF11EJS
Dimensions ( W×
××
×H×
××
×D ) 60 0m m×4 48m m×4 76m m
Mass 22 .2 kg
TV RF System B/G B/G , D/K , K1 B/G , L/L’ I/I ’
TV Mode PAL PAL / SECAM PAL / SECAM PA LColour Sy stem
Video Mode PAL / SECAM / NTSC 3.58 / NTSC 4 .43 (EES/E PS MODEL)
PAL / NTSC 3.58 / NTSC 4.43 (ENS/EJS MODEL)
Sound System German + NICAM
Teletext System Fast ext / Topte xt
Receiving Frequency
VHF(VL) 46 .25 MHz ～1 68. 25 MHz
(VH) 17 5.2 5MHz ～46 3.2 5MHz
UHF 47 1.2 5MHz ～86 3.2 5MH z
CATV S01-S41 & S75-S79
Intermediate Frequency
VIF Carrier 38.9 MHz (B/G , D/K , L , I ) / 33.9MHz(L’)
SIF Car rier 33. 4MHz ( 5.5MHz:B/G) / 32. 9MHz (6 .0MHz:D/ K , I ) / 32 .4MHz (6. 5MHz: L) / 40 .4MHz (6 .5MHz:L’)
Colour Sub Carrier Freq.
PAL 4.43MHz
SE CAM 4.43MHz
NT SC 3.58MHz / 4.43MHz
Power Input AC 2 20V ～240V , 50Hz
Power Consumption 85W(Max) ,2 .5W(Standby)
Aerial Input Term 75 Ωun ba lanc ed, C oaxial
Picture Tube Size Vi si ble si ze : 5 1cm , M eas ur ed di a gon all y
Hi g h Vo lt age 27 .7 kV
Spe ake r 5.7 cm ×16cm Oval type×2
Au dio Output 6.5 W ×2
Vide o 1V p- p, 75 Ω
S/V ideo Y : 1Vp- p Po sit i ve
C : 0 .2 86V p- p
Input
Au di o ( L/ R) 50 0mVr ms, H igh Imp ed an ce
Vide o 1V p- p 7 5Ω
Output
Au di o ( L/ R) 50 0mVr ms, Lo w Impe da nce
Rear Side AV 1 ( Vi d eo/A ud i o/RGB)
AV 2 (Vid eo/A ud io/S- VHS)
Input Terminal
Front Side AV 3 ( Vid eo/A ud io)
Front Side Hea dph on e j ac k (S ter e o m ini jack 3.5 φ)Output Ter minal
Rear Side AV 1 ( Vi d eo/A ud i o)
AV 2 ( Vid eo/A ud io) (S elect ed TV,A V1 or AV 3)
Remote Control Unit VE -3 00 177 63 (RM- C 11 00) , (A A/R0 6 d ry b at tery×2)
Design & speci ficatio ns ar e su bje ct to cha nge wi thou t notice.

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■
■■
■21-pin Euro connector (SCART socket) : AV-1
/ AV-2
(P-P= Peak to Peak, S-W= Sync tip to white peak, B-W= Blanking to white peak)
Pin No. Signal Designation Matching Value AV-1 AV - 2
22
2
1AU DIO R o ut put 50 0m Vrms( Nom ina l) ,
Low impedance
○
(TV OUT)
○
2AU DIO R in put 50 0m Vrms( Nom ina l) ,
Hig h i mpe da nce ○○
3AU DIO L o utp ut 50 0m Vrms( Nom ina l) ,
Low impedance
○
(TV OUT)
○
4AUDIO G ND ○○
5 GND (B) ○○
6AUDIO L input 500mVrms(Nominal),
Hig h i mpe da nce ○○
7B in put 70 0m VB- W , 75Ω○NC
8FUNCTION SW
(SLOW SW)
Low : 0-3V, High : 8-12V, High
impedance ○○
9 GND (G) ○○
10 SCL3 NC NC
11 G in put 70 0m VB- W , 75Ω○
NC
12 SDA3 NC NC
13 GND (R) ○○
14 GND (YS)○○
15
R / C input R : 700mVB- W , 75Ω
C : 300mVP- P , 75Ω
○
(only R)
○
16 Ys input Low : 0 - 0.4, High : 1 - 3V, 75Ω○ NC
17 GND(VIDEO output) ○○
18 GND(VIDEO input) ○○
19 VIDEO output 1V P- P( Nega tive g oin g sync ), 75 Ω○
(TV)
○
20 VIDEO / Y input 1V P- P(N ega tive g oi n g sync ), 75 Ω○ ○
21 COMMON G ND ○○
[Pin assignment]

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SAFETY PRECAUTIONS
1. The d esi gn of th is prod uct con ta in s sp ecial har d wa re , ma ny
circuits and components specially for saf ety purposes. For
con tinu ed prot ection , n o chan g es sh ou ld b e ma de to the o ri g inal
d esi gn un less a uth or ized in writin g by th e ma nu fact ur er.
Rep lacem en t p ar ts m ust b e i d ent ic al to thos e u sed in th e or igi n al
ci rcu it s. Se r vic e sh ou ld be pe rf or me d b y q ua li fie d per so nn el
on ly.
2. Al te r ati on s of t he desig n or cir cuitr y of t he pr od ucts sh oul d not be
made. Any design alterations or additions will void the
m anu fact ur er's w arr a nt y and wi ll f ur th er r elieve t he ma nu factu r er
of r esp onsi b ili ty for per so na l injur y or p r op erty d am ag e r esul t in g
th er efr om .
3. M an y e lectr ical an d m ech anica l p ar ts in th e prod ucts ha ve
special safety-related characteristics. T hese characteristics are
oft en no t e viden t f r om visua l insp ection n or ca n t he pro tect io n
aff or de d by th em nece ssar il y b e ob tain ed b y u sin g rep lacem en t
com po ne nts ra ted f or hig he r vo ltag e, watt ag e, etc. R ep lacem en t
p arts wh ic h ha ve th ese sp eci al s afet y ch ar act er ist ics ar e
identified in the parts list of Servic e manual. El ec tric al
components having su ch features ar e identified by shading
on the sche matic s and by (!
!!
!) on the parts list in Service
manual. The us e of a sub sti tu te rep la cem en t which do es n ot
h ave th e sam e saf ety ch ar act er ist ics as t he r eco mm en de d
r eplac ement par t sh own in th e p arts li st of S er vice man ual m ay
cause shock, fire, or other hazards .
4. Do n't shor t between the LIVE side ground and ISOL ATED
(NEUTRAL) side ground or EARTH side ground when
repairing.
Some model's power circuit is partly different in the GND. The
diff erenc e of th e GND is sh own by t he LI VE : (") side GND, the
ISO LATE D(NEUTRAL) : (#) side GND an d EA RTH : ($) side
GND. Don't short between the LIVE side GND and
ISO LATE D(NEUTRAL) side GND or EARTH side GND and
n ever m ea sure wit h a m ea sur ing a ppa r atus ( osci llo scop e etc.)
th e LI VE sid e GN D an d IS OL ATED( NE UTR AL ) sid e GND or
EARTH side GND at the s ame time.
If above note will not be kept, a fuse or any parts will be broken.
5. If any repair has been made to the chassis, it is recommended
th at t he B1 set ti ng shou l d b e ch ecke d or adju ste d ( Se e
ADJU STMENT OF B 1 POW E R SUPPL Y).
6. The hi gh vol ta ge app lie d t o th e pictu r e tu be mu st con for m wi t h
th at sp eci fied i n S er vi ce m an ual. E xcessive h igh vo lt ag e ca n
cau se an incr e ase in X- Ray emi ssi on , ar ci ng an d possi b le
component damage, therefore operation under excessive high
voltage conditions should be kept to a minimum, or should be
preve nt ed. If s evere arc ing occurs, r emove t he AC power
immed iate ly an d de ter mi ne th e ca use b y visua l insp ect io n
( in cor rect in stal lat i on, cr acke d or m elte d high vo lt age har n ess,
p oor so ld er ing, et c.). To m aint ai n the p r ope r min imu m le vel of
sof t X- Ray em ission, c omp on en ts in th e high voltag e ci rcui tr y
incl ud ing t he pict ur e tu be must b e t he e xact r ep lacem e nts or
alte rn at ives ap prove d b y th e ma nuf act ur er of th e c ompl et e
pr od uct.
7. Do n ot c hec k high volt ag e b y drawing an arc. Use a high volt ag e
meter or a hig h v oltag e prob e wit h a VTV M. Dis char ge the
picture tube before attempting meter connection, by connecting
a cli p le ad to th e grou nd f ra me a nd c onn ectin g th e oth er end of
the lead through a 10kΩ2W resisto r to the an od e b utt on .
8. W hen se r vi ce is r equ ire d, ob ser ve th e origi na l lea d dress. E xtr a
pr ec aut i on sh ou ld b e g i ve n t o assur e cor rect lea d dr ess in th e
hig h voltag e cir cuit a r ea. W her e a s hort ci rcui t h as occu rre d,
th ose co mp on ent s tha t i ndica te evide nce of ove r hea ting sho uld
b e r e place d. A lwa ys u se th e ma nuf act ur er 's rep l acemen t
components.
9. Isolation Check
(Safety for Electrical Shock Hazard)
Af ter r e-ass emb l in g th e p rodu ct, always per f orm an i sol at io n
ch eck on the expo sed me tal p ar ts of t he cabi n et ( a nte nn a
ter m ina ls, vid eo /au dio inpu t and ou tpu t t er min al s, Con tr ol kn obs,
metal cabinet, screwheads, earphone jack , control shafts, etc.)
to be su re th e p r odu ct is s af e t o o pe r ate with ou t d an ger of
elect rical shoc k.
(1) Dielectric Strength Test
The iso l ati on be tw een the A C pr im a ry circu it an d all me tal p ar ts
exp ose d t o th e us er , p ar ti cular ly an y e xp os ed met al p art h aving a
r etu rn p ath to t he chass is sho ul d withs tan d a volt age of 3 000 V
AC (r.m.s.) for a period of one second.
( . . . . W it hstan d a vo lt ag e of 1 10 0V A C ( r.m. s.) t o an ap pl ianc e
r ate d up to 12 0V , an d 3 00 0V AC (r .m. s.) to an ap pli an ce rat ed
200V or more, for a periodof one second.)
This meth od of test requires a t est equipment not generally found
in t he servic e trade.
(2) Leakage Current Check
Pl ug th e A C lin e c ord d ir ect l y in to th e A C ou tlet ( d o n ot use a lin e
isol ati o n tr ansf or m er du r in g thi s ch eck.) . U sin g a " Lea kag e
Cur rent Teste r", me asur e th e lea kag e cu rr e nt f rom each exp osed
m etal p ar t of the ca bi ne t, p art icu lar ly any e xpos ed me tal p ar t
h aving a re tur n path to t he ch assis , t o a kn own go od ea rt h
gr ou nd (wa ter pi p e, e tc.) . An y leaka ge curr en t must n ot e xceed
0.5mA AC (r.m.s.).
Howeve r, in trop ic al area , th is mu st no t exce ed 0.2 mA AC
(r.m.s.).
"
""
"Alte rnat e Che ck Met hod
Pl ug th e A C lin e c ord d ir ect l y in to th e A C ou tlet ( d o n ot use a lin e
isol ati o n tr an sfor m er dur ing t hi s che ck.). U se an AC vo lt me ter
h avi ng 1 00 0 oh ms pe r vol t or mor e sens it i vi ty in th e fo llow ing
m ann er. C on nec t a 1 50 0Ω10W res ist or par a lle le d b y a 0 .1 5µF
AC -type c apa cit or bet we en an expo sed met al pa rt a nd a kno wn
g ood e ar th gro un d ( wa ter pi pe , etc.) . Meas ur e th e A C vo lt ag e
acr oss th e r es ist or with th e AC vo ltmeter . M ove th e r esi stor
con nec ti on to e ach exp ose d me tal par t, p art i cular ly a ny exp osed
m etal p ar t havin g a r etu rn pat h to t he ch assis, an d m easu r e th e
AC voltag e ac ro ss the r es ist or . No w , re ver se th e plu g in th e AC
ou tl et and r e pe at eac h m ea sur emen t. An y volt ag e me asu re d
must not exc eed 0.75V AC (r.m.s.). This c orresponds to 0.5mA
AC (r.m.s.).
However, in tropical are a, this must n ot exceed 0.3V AC ( r.m. s.).
This corresponds to 0.2mA AC (r.m.s.).
0.15μF AC-T YPE
1500 Ω10W
GOODEARTH GROUND
PLACE THIS PROBE
ON E A CH EX PO SE D
ME T AL PA R T
ACVOLTMETER
(HAVING 1000 Ω/V,
OR MOR E SENSIT IVITY)

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FEATURES
1. It is a remote controlled color television.
2. 10 0 prog r ams fr om VHF, UHF b an ds or cab le ch ann els can be
pres et.
3. It c an tun e c able cha nn els.
4. Cont ro llin g th e TV is ver y easy by i ts m en u dr ive n s yst em .
5. It h as two Eu r ocon n ector s ockets fo r exte r nal de vice (such as
vi de o r eco rd er, vid eo ga mes , a udi o set, e tc.)
6. Fr ont AV In pu t ava i labl e.
7. St ereo s ou nd s ys tem s ( Ger man + Nic am) are a vailab le.
8. Full fu nctio n Tele text (Fast ext, Topte xt ).
9. It is possi b le to con nec t h ead ph on e.
10. Direct channel acc ess.
11 . AP S ( Aut om at ic P r ogr amm ing Syste m) .
12 . Al l pr og rams ca n b e nam ed .
13 . For war d o r bac kward au to ma tic tu ning .
14 . Sl ee p ti me r.
15. Child Lock
16 . Au tom at ic sou nd mu te wh en no tr an smissi on .
17 . 5 minu tes aft er the br o adc asti ng (closed ow n), the TV s witch es
itsel f aut om ati ca lly t o st and - by m od e.
MAIN DIFFERENCE LIST
!
!!
!
Model Name
Part Name
AV-2 1B F11ENS AV-2 1B F11EES AV-2 1B F11EPS AV-2 1B F11EJS
MAIN PWB VE-20101119 VE-20101113 VE-20101120 VE-20101540
!RATING LABEL VE-20101395 VE-20101660
VE-20101560 (POLAND) VE- 20101548 VE-20101872
CARTON BOX VE-50028254 VE-50028331 VE-50028286 VE-50028413
!INSTRUCTION BOOK VE-50028252 VE-50028323 VE-50028287 VE-50028290

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SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unp lu g t he po we r c or d.
2. Remove the 6 screws marked A as shown in t he Fig. 1.
3. W ithdra w t he rear co ver to wa rd you .
REMOVING THE MAIN PWB
"Removing the rear cover.
1. Rem ove th e scr ew m arked B as s hown in the Fig.1.
2. Sl ight l y r aise t he bo th sid es of th e ch assi s b y h and an d w ithd r aw
th e M AIN PW B ba ckw ard.
(If necess ary, take off the wire clamp, connectors etc.)
REMOVING THE SPEAKER
"Removing the rear cover.
1. Remove t he 2 scr ews mar ked C, an d r e mo ve sp ea ker as s h ow n
in Fig. 1.
2. Rem ove th e sp eake r .
REMOVING THE FRONT AV & HEADPHONE PWB
"Removing the rear cover.
"Removing the rear MAIN PWB.
1. Remove the 2 scr ews mar ked D.
2. Remove the FRONT AV & HE ADPHONE PW B.
CHECKING THE PW BOARD
To ch eck the b ack si de of th e PW B oar d.
1) Pu ll o ut th e PW B oar d. (Ref er to REM OV ING THE MA IN
PW B ).
2) Erect th e PW B oar d ve rt ic ally so t ha t you c an easil y ch eck
th e b ack side of th e PW B oar d.
[CAUTION]
"When erecting the PW Board, be c areful so that there will be no
con tact in g with ot her PW Boar d.
"Be for e tur n in g on po wer , ma ke sur e t ha t the w ire co nn ecto r i s
pr op erl y con nec ted .
"W hen co ndu cting a ch eck w ith p ow er su ppli ed , b e sur e to c onfi rm
th at t he CRT E AR TH WI RE (B RA IDED AS S’Y) is co nne cted t o
th e CR T SOC KE T PW b oar d.
WIRE CLAMPING AND C ABLE T YING
1. Be sure t o clamp the wire.
2. Never r emo ve th e c able tie u sed f or t yi ng th e w ires to ge the r.
Sh oul d it be in adve rt ent l y r emove d, b e su r e to ti e th e wir es w it h
a n ew c abl e ti e.

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REAR COVER
SP EAKE R
MAIN PWB
FRONT CABINET
FRONT AV & HEADPHONE PWB
(×2)
(×6)
CRT
A
D
(×1)
C
Fi
g
. 1
(×1)
B

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REPLACEMENT OF CHIP COMPONENT
!CAUTIONS
1. Avoid heating for more than 3 seconds.
2. Do n ot ru b t he elect ro des an d t he resi st p ar ts of th e p att er n.
3. W hen r em ovi ng a c hip part, m elt th e s ol der ad equ ate ly.
4. Do n ot r euse a ch i p p ar t afte r re mo vi ng it .
!SOLDERING IRON
1. Use a hig h ins ulatio n s oldering iron with a t hin pointed e nd of it .
2. A 3 0 w s ol dering ir on is r ec om mend ed for easi ly r emovi ng p ar ts.
!REPLACEMENT STEPS
1. How to remove Chip parts
#
##
#Resi st ors, ca pa cit ors , et c
( 1) As sh own i n t he f ig ur e, pu sh th e pa rt w ith tw ee zer s and
alte rn at ely m elt th e solde r at each en d.
( 2) Sh if t w ith tw eeze rs an d r emo ve th e ch ip p ar t.
#
##
#Trans ist ors, diod es , va ria bl e r es ist or s, et c
( 1) Ap pl y e xt ra so ld er to ea ch le ad .
( 2) As sh own i n t he f ig ur e, pu sh th e pa rt w ith tw ee zer s and
alte rn at ely m elt th e sold er a t each le ad . S hi ft an d rem ove t he
chip part.
Note : Afte r removing t he part , remove remaining so lder from the
pattern .
2. How to install Chip parts
#
##
#Resi st ors, ca pa cit ors , et c
(1) Apply solder to the pattern a s indic ated in the figure.
( 2) Gr asp t he ch ip p art wi th tw ee zer s and plac e it on th e s old er.
The n h ea t an d me lt th e so ld er a t b oth en ds of t he chip par t.
#
##
#Trans ist ors, diod es , va ria bl e r es ist or s, et c
(1) Apply solder to the pattern a s indic ated in the figure.
( 2) Gr asp th e ch ip p art w it h t we eze rs an d p l ace it on th e so lder .
(3) First solder lead Aas indicated in t he figure.
( 4) The n so ld er l e ads Band C.
SOLDE R SOLDE R
A
B
C
A
B
C

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SERVICE MENU SELECT KEY
MEMORY IC REPLACEMENT
1. Memory IC
This model use a memory IC.
Thi s me mo r y I C st or es d ata for pr op er op er ati o n of the vid eo
an d d ef l ection circu it s.
When replacing, be sure to use an IC containing this (initial
value) data.
2. Memory IC replacement procedure
(1) Power off
Sw itch of f t he p ower an d discon nec t th e po we r co rd fr om
the wall outlet.
(2) Replace the memory IC
Init ial value must be entered into the new IC.
(3) Power on
Con nect th e po w er cor d t o t he wa ll o ut le t an d s wi tch on t he
power.
(4) SERVICE MENU setting
1) Press MENU key an d, whi le th e displ a yed M ENU
screen, press 4, 7, 2, 5 key on th e r emote co ntrol u nit or
press MUTING key and INFORMATION key at the
same time.
2) T he SER V ICE M EN U scr ee n of Fig.1 i s d isp layed .
3) Ve rif y wh at to set in th e SERV ICE MEN U, and set
what ever is n ece ssar y ( Fi g.1 ). Ref er to th e SE RV IC E
ADJUSTMENT for setting.
4) Press the STANDARD key to exit SERVICE MENU.
(5) Receive channel se tting
Refer to th e OP ERATING I NSTRUCTIO NS (US ER’S
GU ID E) a nd s et th e r ece ive ch an nels ( Chan n els P r eset ) as
described.
( 6) User se tt ing s
Check th e us er sett in g it em s acc or ding to aft er pa ge .
W here th ese d o no t a gr ee, r efer to t he OPE RA T ING
INSTRUCT IONS (USER’S GUIDE) and set the items as
described.
Fig.1
SE RV ICE MEN U
Fig.2
VALUE
SELECT(－)
VALUE
SELECT(＋)
NUMBER
ITEM
SELECT(▲)
ITEM
SELECT(▼)
MENU
FUNCTION
POWER
MU T I NG
INFORMATION
COLOUR
k
ey
STANDARD
key

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SETTING OF THE LAST MEMORY FOR SHIPMENT
■
■■
■USER SETTING VALUES
Setting Item Setting Value Setting Item Setting Value
SOUND MENU FEATURE MENU
BA LANCE CEN TER SL EEP TIME R OFF
BA SS ↑CHILD LOCK OFF
TREBL E ↑LA NG UA GE ENGL ISH
MODE STEREO AV-2 OUTPUT TV
EFFECT OFF
PICTURE MENU INSTALL
BRIGHTNESS PROGRAMME
CONTRAST BAND
COLOUR CHANNEL
SHAR PNES S SE ARCH
HUE (only NTSC)
Thes e ad just a re aut om ati ca ll y
restored when AP S bit in Se rvice
menu is set .
The pr oc edu r e f or se tting AP S
bit is described bellow. FINE TUNING
PICTURE MODE AUTO STORE
Refer to t he INSTRUCTI ON
BOO K
■SETTING APS BIT IN SERVICE MENU
1) En ter ser vice me nu in TV mode b y pr essi ng “ INFORMA TION” a nd “ MUTI NG” ke ys si mu ltan eou sl y. S er vic e M en u wi ll ap pea r.
2) Se le ct T X1 (TEL ETEXT OPTIO N) b y pr essi n g Up /Down keys o n r emot e c ontr o l un it.
3) Press the 7 key on remote c ontrol unit to set APS bit. (After this, bit 7 of TX1 will be “1”)
4) Press STANDARD key on remote control unit to exit service mode.
NOTE : DO NOT TURN OFF THE TV BY USING POWER BUTTON ON THE FRONT PANEL.

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SERVICE ADJUSTMENTS
ADJUSTMENT PREPARATION
1. You ca n ma ke t he ne ce ssa ry adjust me nts f or t his unit wit h
either the Rem ote Control Unit or with the adjustment tools
and parts as given below.
2. Ad justment with the Remote Control Unit is made on the
basis of the initial setting values, however, the new setting
values which set the screen to its optimum condition may
differ from the initia l settings.
3. M ake sur e t hat AC p ow er i s tu r ned o n c orr ec tl y.
4. T urn on th e power for s et an d test eq uip me nt bef or e use , and
sta rt t he ad j ustmen t p r oced ur es aft er w aiti ng at least 30 m in ut es.
5. U nless o the r wi se s pec if i ed, pr ep ar e t he mo st su it ab le r ecep tion
or inp ut si gn al for adj ust m ent.
6. N ever t ouc h a ny a dj ust me nt p art s whi ch ar e n ot spec if ied i n th e
list for this adjustment - variable resistors, transformers,
condensers, etc.
7. Pr es etting b efor e ad justm en t.
Unless ot her wi se spec if ied in t he a djustm e nt i nstr uct ions, p r ese t
th e f ol lo win g f un cti ons w ith th e r e mo te c ont ro l un it :
BRIGHTN ES S
CONTRAST
COLOUR
SHAR PNES S
CENTER
ADJUSTMENT EQUIPMENT
1. DC voltmeter (or digital voltmeter)
2. Sign al g en er at or (P att er n g en er at or) ［PAL/SECAM/NTSC］
3. Remote control unit
ADJUSTMENT ITEM
!SCR EEN A DJUST MENT
!OSD HORIZONTAL POSITION ADJ USTMENT
!IF ADJUSTMENT
!AGC A UTO MATI CA LL Y A DJUSTM ENT
!DEFLECTION CI RCUIT ADJUSTMENT
!GEO MET RY ME NU ADJUS TME NT
!WHITE BALANCE ADJUSTMENT
MAIN PARTS LOCATIONS FRONT
FRONT
TOP
FRONT AV &
HEADPHONE PWB
CRT SOCKET PWB MAIN PWB

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BASIC OPERATION SERVICE MENU
■
■■
■HOW TO ENT ER THE SERVICE MENU
1) Press the MENU key.
2) ME NU sc re en of fi g.1 wi ll b e d ispl a ye d
3) W hil e the ME NU scr ee n is disp l ayed , p r ess th e 4,7 ,2, 5 ke y or
INFORMATION key and MUT ING key s imult aneously.
4) The SERVICE MENU screen of (Fig.2) will be displayed.
■SELECT ION OF ADJUSTMENT IT EMS
1) En ter th e SERVIC E ME NU
2) Press the FUNCTION / key and select the ADJUSTMENT
ITEM.
3) Press the FUNCTION / ke y and s et t he SETTI NG VALUE.
■HOW TO EXIT SERVICE MODE
1) Press the STANDARD Key on REMOTE CONTROL UNIT.
■HOW TO ENTER THE GEOMETRY MENU
"Thi s m o del is bu il t- in GEO ME TRY M EN U f or ge om et ry
adjustment.
1) En ter th e SERVIC E ME NU
2) Press the GREEN key, geometry menu appears (Fig. 3).
3) Press the FUNCTION / key and select the ADJUSTMENT
ITEM.
4) Press the FUNCTION / ke y and s et t he SETTI NG VALUE.
MENU SCRE EN
Fi
g
.1
"FUNCTION OF COLOUR key
RED key :
It switch es th e AV L t o ON o r OFF mo de on ser vic e
m enu . AV L wo rd is visi ble o n s er vice m en u wh en
AV L is o n.
GR EE N k ey :
It s witch es t o GE OMETRY a djust menu . G eomet ry
of th e p ict ur e i s a djust ed in th i s m enu .
YELLOW key :
It s witches t o VERT ICAL S CAN DISABLE mode.
It is us eful t o a djust scr een volt age .
BL UE ke y :
It i s used to a dj ust AGC an d I F au tom a ti cal ly on
ser vice me nu.
REMOTE CONTROL UNIT key NAME
NUMBER key
FUNCTION
key
AV key MENU key
COLOUR k ey
STANDARD
key
MENU
SOUND
PICTURE
FEATURE
INSTALL
PROGRAM
SE RV ICE MEN U
Fi
g
.2
ADJUSTMENT ITEM SETTING VALUE
Fi
g
.3
VSIZ 023
VPOS 028
VSCO 000
VCCO 008
HSIZ 007
HPOS 039
HPIN 015
GEOME TRY
GEOME TRY MEN U
ADJUSTMENT ITEM SETTING VALUE
INFORMATION
key

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■ADJUSTMENT ITEM & INITIAL (Recommended) SETTING VALUE in the SERVICE MENU
ADJUSTMENT
ITEM DESCRIPTION INITIAL VALUE
OSD HORIZONTAL P OSI TION OF OSD 082
IF1 IF COAR S E ADJUSTM ENT 00 4
IF2 IF FINE ADJUSTMENT 065
IF3 IF COAR S E ADJUSTM ENT FOR L-P RI ME 00 4
IF4 IF FINE A DJUS TME NT FO R L-PRIME 065
AGC AUTOM ATIC GA IN CO NT RO L Automat ic ally
VLIN VERTICA L LINEARITY 045
RGBH RGB MODE HORIZONTAL SHIFT OFFSET 007
VSOF VERTICA L SIZE OFFSET for 60Hz -01
VP OF VE RTICA L PO SITIO N OFFSET f or 60 Hz -01
HSOF HORIZONTAL SIZE OFFSET for 60Hz Not used
HPOF HORIZONTAL P OSI TION OFFSE T for 6 0Hz +00
HTOF HORIZONTAL TRAPEZOI D OFFSET f or 60Hz Not used
W R W HITE PO INT ADJUSTME NT FO R RE D 04 0
WG WHITE PO INT ADJUSTME NT FO R GREEN 040
WB WHITE PO INT ADJUSTME NT FO R BLUE 040
BR BIA S FOR RED 03 0
BG BIA S FOR G RE EN 03 1
APR AUTOMATIC RGB PEAK REGUL ATION THRESHOLD 010
BRI BRIGHTNES S 03 0
CON CONTRAST 035
COL COLOUR 038
SHR SHARP 006
HUE HUE 031
VOL VOL UME 015
WR-R WHITE PO INT ADJUSTMENT for RED (RGBmode) 030
W G-R W HITE PO INT ADJUSTME NT for GREE N (RGBm ode) 05 5
WB-R WHITE PO INT ADJUSTME NT for BLUE (RGBmo de) 032
FMP 1 FM PRES CA LER W HE N AV L IS OFF 00 9
NIP1 NICAM PRESCALER WHEN AVL IS OFF 020
SCP1 SCART PRES CA LER W HE N AV L IS OFF 01 3
SE C1 SE CA M PR E SCALE R W HE N AV L IS OFF 01 3
FMP 2 FM PRES CA LER W HE N AV L IS ON 01 3
NIP2 NICAM PRESCALER WHEN AVL IS ON 016
SCP2 SC ART PRES CA LER W HE N AV L IS ON 01 3
SE C2 SE CA M PR E SCALE R W HE N AV L IS ON 01 3
F1H HIGH BYTE OF VHF1-VHF3 CROSS-OVER FREQUENCY 00001001
F1L LOW BYTE O F VHF1-VHF3 CROSS -O VER FREQ UE NCY 1001 00 10
F2H HIGH BYTE OF VHF3-UHF CROSS-OVER FREQUENCY 00011011
F2L LOW BYTE O F VH F3- UHF CROS S- OVER FR EQ UE NCY 1000 0010
BS 1 BA ND SW ITCHING B YTE FOR V HF1 00 0000 11
BS 2 BA ND SW ITCHING B YTE FOR V HF3 00 0001 10
BS 3 BA ND SW ITCH ING B YTE FOR UHF 10 00 01 01
CB CONTROL B YTE 10 00 11 10
1/2

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■ADJUSTMENT ITEM & INITIAL (Recommended) SETTING VALUE in the SERVICE MENU
[GEOMETRY MENU]
ADJUSTMENT
ITEM DE SCRIPTI ON INITIAL VALUE
OP1 PERIPHERAL OPTIONS 01110101
OP2 RECEPTI ON STANDARD OPTIO NS 00 00 1001 (EN)
01 00 10 01 (E P)
00 01 10 01 (E E)
00 10 00 01 (EJ)
OP3 VIDEO OPTI ONS 011011 01 (E N)
11 10 11 01 (E P/EE /EJ)
OP4 TV FE ATU RE S 10 00 10 00
OP5 CHA N NE L T A BLES 00 00 00 00
TX1 TEL ETEXT O PTIONS 10 01 0101 (E N)
10 00 01 01 (E P)
10 00 11 01 (E E)
10 01 11 01 (EJ)
GEO M GEO MET RY OPTIO NS 0000 0000
OP8 PIP PRES ET CHANGE 00 0000 00
ADJUSTMENT
ITEM
DESCRIPTION INITIAL VALUE
VS IZ VE RTICA L S IZE f or 50Hz 030
VP OS VE RTICA L PO SITIO N for 5 0Hz 01 0
CSCO VERTICAL S-CORRECTION for 50Hz Not used
VCCO VERTICAL CORNER CORRECTION for 50Hz Not used
HSIZ HORIZONTAL SIZE for 50Hz Not used
HPOS HORIZONTAL P OSI TION for 50Hz 035
HPIN HORIZONTAL PINCUSHION for 50Hz Not used
HCCO HORIZONTAL CORNER CORRECTION for 50Hz Not used
HTRP HORIZONTAL TRAPEZOID for 50Hz Not used
VZSZ VERTICA L ZOOM SIZE f or 50Hz Not used
2/2

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ADJUSTMENTS
■
■■
■SCREEN ADJUSTMENT
Item Measuring
instrument Test point Ad justment part Description
SCREEN
adjust me nt
Remote
control unit
SCREEN VR
[On the FBT]
1. En ter SE RVICE M ENU.
2. Pr ess YEL LOW ke y to di sab le ve rt ic al s can .
3. Ad ju st SC REE N VR. on th e F BT a s th in as po ssib l e.
4. Pr ess YEL LOW k ey ag ai n to en able vertical sc an.
5. Pr ess ME NU ke y to l eav e ser vi ce m enu .
■OSD HORIZONTAL POSITION ADJUSTMENT
Item Measuring
instrument Test point Ad justment part Description
HORIZONTAL
POS ITION O F
OSD
adjust me nt
Remote
control unit
OSD 1. En ter SE RVIC E M ENU.
2. Select OSD with FUNCTION ( / ) key
3. Adjust the OSD horizontal position with the FUNCTION ( / )
key, wh ic h shi fts th e r ef er ence b ar o n the b ott om of th e
SE RV ICE M EN U ho r izo nta lly, s o th at th e OSD is po si ti on ed on
th e scr e en c ent er . ( X=X’)
■
■■
■IF ADJUSTMENT
Item Measuring
instrument Test point Ad justment part Description
IF adjustme nt Remote
control unit
IF 1
IF 2
IF 3
IF 4
1. En ter SE RVICE M ENU.
2. Select I F 1 with FUNCTION ( / ) key
3. Pr ess BLU E key d uri ng I F 1 i s h ig hli gh ted , I F 1 an d IF 2 va lues
ar e ad ju sted au tom at ic al ly b y sof tw are.
4. If th e st and ar d is L- p ri me, IF 3 and I F 4 valu es are ad ju stm ent
au tom at ic ally when B LUE key is press ed during I F 1 is
hig hlig ht ed.
R
e
f
e
r
e
n
ce
ba
r
Screen size
SE RV ICE MEN U SCREEN
XX’

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■
■■
■AGC AUTOMAT ICALLY ADJUSTMENT
Item Measuring
instrument Test point Ad justment part Description
AG C
AUTOMATIC-
AL LY
adjust me nt
& check
Remote
control unit
AG C 1. En ter SE RVICE M ENU.
2. Receive a 60dBμV RF sign al leve l.
3. Se le ct AGC with th e FUNCTI ON ( / ) key.
4. Pr ess BLU E ke y on th e r emot e co ntr ol unit.
5. Then the adjustment will be done automatically by software.
6. Se e th e AGC i ndica tor o n S ERVICE MENU , it m ust b e “ 1”.
7. Check th at p ict ur e is nor mal a t 90 dB μV signal level.
■
■■
■DEFLECTION CIRCUIT ADJUSTMENT
Item Measuring
instrument Test point Ad justment part Description
VERTICAL
LINEARITY
adjust me nt
Signal
generator
Remote
control unit
VLIN 1. Receive a PAL B/G circle pattern.
2. En ter SE RVICE M ENU.
3. Select VLIN (Vertical lin earity) wit h the FUNCTIO N ( / ) key.
4. Ad ju st VL IN wit h t he FUNCTION ( / ) key un ti l circl e as
r oun d as p ossible.
5. Pr ess the ME NU key a nd m emor iz e th e s et va l ue.
R GB M ODE
HORIZONTAL
SHIFT
OFFSET
adjus tme n t
Signal
generator
Remote
control unit
RGBH 1. Input R/G/B circle pattern signal via video input te rmin al.
2. Press AV key on the remote control unit, force t he TV t o RGB
mode.
3. En ter SE RVICE M ENU.
4. Se le ct RGBH (RGB mo de horiz ont al sh if t of fset ) wit h t he
FUNCTION ( / ) key.
5. Adjust RGBH with the FUNCTION ( / ) key until t he circle
p atter n i s h or izo nt ally ce nte r ed.(A=B)
6. Check an d read ju st RGBH i tem if th e adjus tme nt b eco mes
imp rope r aft er som e oth er g eom et ric a djust m ents ar e d on e.
:11
IF INDICATOR AGC INDICATOR NONE
S
ERVI
C
E MEN
U
SC
REEN
AB

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Item Measurin
g
instruments Test
p
oint Ad justment part Description
VERTICAL
SIZ E OFFSET
adjus tme n t
(60Hz)
Signal
generator
Remote
control unit
VS OF 1. Receive a N TSC -M cr oss- h atch p atte rn of ve rt ic al fr eq u ency
60Hz.
2. En ter SE RVICE M ENU.
3. Select VS OF(Vertical size) with the FUNCTION ( / ) key.
4. Adjust VSOF with the FUNCTION ( / ) key until the
horizontal black lines on both the upper and lower part of the
p atter n b ecom e ver y clos e t o t he u ppe r an d l ower h or izon tal
si des of pictu re si ze a nd ne arly ab ou t to disa pp ear .
5. Check an d rea dj ust VS OF item i f the ad j ustmen t b eco me s
imp rope r aft er som e oth er g eom et ric a djust m ents ar e d on e.
VERTICAL
POSITION
OFFSET
adjus tme n t
(60Hz)
Signal
generator
Remote
control unit
VPOF 1. R eceive a N TSC -M ci rc l e p att er n of ve rti ca l fr equ en cy 60H z.
2. En ter SE RVICE M ENU.
3. Se le ct VP OF (Vertica l p osition) wit h t he FUNCTION ( / )
key.
4. Ad ju st V PO F with the FUNCTIO N ( / ) key u ntil th e p ictu rer
is vertically centered.(C=D)
5. Check and r ead just v er ti cal p osi ti on it em if th e a djust me nt
b ecom es imp rope r a fte r so me oth er ge om etr ic adju stm en ts
ar e do ne.
HORIZONTAL
POSITION
OFFSET
adjus tme n t
(60Hz)
Signal
generator
Remote
control unit
HPOF 1. Inp ut a NTSC -M c ircle p at tern sign al of ver ti cal f r equ en cy
60Hz.
2. En ter SE RVICE M ENU.
3. Se le ct HPOF (Hor iz ont al p osit ion) wit h t he FUNCTION ( / )
key.
4. Adjust HPOF with the FUNCTION ( / ) key until the circle
p atter n i s h or izo nt ally ce nte r ed.( E=F)
5. Check an d r ea djust a h orizo nt al po sit ion i t em i f t he adju stme nt
b ecom es imp rope r a fte r so me oth er ge om etr ic adju stm en ts
ar e do ne.
Picture
size
10 0%
Scre en
size
Very clos e
Very clos e
C
D
EF

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■
■■
■GEOMETRY MENU ADJUSTMENT
Item Measurin
g
instruments Test point Ad justment part Description
VERTICAL
SIZ E
adjust me nt
(50Hz)
Signal
generator
Remote
control unit
VS IZ 1. Recei ve a PA L B/G cr oss- h atch p att er n of ver tica l f r equ enc y
50Hz.
2. En ter SE RVICE MENU.
3. Press GREEN ke y to enter th e G EOMETRY MENU.
4. Select VS IZ (Vert ic al size) with the FUNCTION ( / ) key.
5. Adjust VSI Z with th e FUNCTION ( / ) key until the scre en
th e h orizon tal b l ack lin es o n b ot h th e up per and lo we r pa nt of
th e p att er n beco me ve r y close to th e upp er an d l ower
h orizo nt al si de s of pi ctu r e si ze and n earl y a bo ut t o di sa pp ear .
6. Check a nd r e adjus t VS2 B i tem if th e adju stm ent be com es
imp rope r aft er som e oth er g eom et ric a djust m ents ar e d on e.
VERTICAL
POSITION
adjus tme n t
(50Hz)
Signal
generator
Remote
control unit
VP OS 1. Recei ve a PA L B/G circ le p att er n si g nal of ver t ic al f re qu enc y
50Hz.
2. Enter GE OMETRY MENU.
3. Se le ct VP OS (Ver tica l posi tio n) wit h t he FU NCT ION ( / )
key.
4. Adjust VP OS wit h th e FUNCTION ( / ) ke y u ntil t he circle
pattern is vertically centered.(A=B)
5. Check an d r ead just VP OS item i f th e ad j ustm en t bec om es
imp rope r aft er som e oth er g eom et ric a djust m ents ar e d on e.
HORIZONTAL
POSITION
adjus tme n t
(50Hz)
Signal
generator
Remote
control unit
HPOS 1. Receive a PA L B/G ci rc le p att er n sig nal of ver tical fr eq ue ncy
50Hz.
2. Enter GE OMETRY MENU.
3. Se le ct HPOS (Hor izo nt al po sit ion) w it h t he FUNC TION
( / ) key.
4. Adjust HPOS with the FUNCTION ( / ) key until t he circle
p atter n i s h or izo nt ally ce nte r ed.( C=D)
5. Check an d r ead just H POS ite m if t he ad j ustm en t bec om es
imp rope r aft er som e oth er g eom et ric a djust m ents ar e d on e.
A
B
CD
Picture
size
10 0%
Scre en
size
Very clos e
Very clos e

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■
■■
■WHITE BALANCE ADJUSTMENT
Item Measuring
instrument Test point Ad justment part Description
WHITE
BALANCE
adjust me nt
(Low light)
Signal
generator
Remote
control unit
WR
WG
WB
1. Receive a bl a ck & wh it e sign al ( col o ur off ) .
2. En ter SE RVICE M ENU.
3. Select WR / WG / WB wit h t he ( / ) key, res pect ively.
4. Adjust WR / W G / WB with the FUNCTION ( / ) key,
resp ectively, unt il th e whit e p art tu rns to pure whit e wit ho ut a ny
other color..
WHITE
BALANCE
adjust me nt
(High light)
Signal
generator
Remote
control unit
BR
BG
1. Receive a bl a ck & wh it e sign al ( col o ur off )
2. En ter SE RVICE M ENU.
3. Select BR / BG with th e FUNCTION ( / ) key respect ively.
4. Adjust BR / BG with the FUNCTION ( / ) key resp ectively
until the white part of screen make white colour.
It em WR WG W B
Recommended value 04 0 04 0 04 0
It em BR BG
Recommended value 03 0 03 1

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[MEMO]